Product Description
Product Description
| Name | Silicone Rubber Product |
| Products category | Silicone/ Rubber Molded Parts |
| Size | Customized |
| Shape | Customized |
| Color | Natural, black, Pantone color |
| Hardness | Normally 30°~80° Shore A. |
| Temperature | -40ºC-250ºC |
| Surface finishing | Texture, polished, painting, powder coating, printing, etc. |
| Drawing | 2D/3D |
| Free sample | Yes |
| OEM/OEM | Yes |
| Application | Household, electronics, auto parts, medical, maternal and infant fields, etc. |
| Quality certification | ISO 90001:2015; ISO13485:2016 |
| Production | Production capacity | 800000pcs/month |
| Mold lead time | 20~60 days | |
| Sample lead time | 3~10 days | |
| Production time | Normally 15~30 days | |
| Loading port | ZheJiang or appointed |
Detailed Photos
Workshop
Certifications
Company Profile
HangZhou Silicone Precision Technology Co., Ltd is founded in 2571-05-06. The company is located at HangZhou City. Our company offers variety of products which can meet your multifarious demands. Our business scope: Production of Class I medical devices; Sales of Class I medical devices; Sales of Class II medical devices; Production of protective equipment for medical staff (Class I medical devices); Mold manufacturing; Mold sales; Rubber product manufacturing; Sales of rubber products; Manufacturing of plastic products; Sales of plastic products. We’re good at silcone rubber products and can produce precision products.
Our founder has more than 10 years experience in the mold industry. We can help solve complicated problems in mold design and products. We have hot and cold runner molds. We are an integrated provider of high-quality silicone products.
We have ISO9001:2015 and ISO13485:2016 certificate.
Look CHINAMFG to our cooperation.
Packaging & Shipping
FAQ
Q: What’s your payment term?
A: 50% deposit, 50% before shipment
Q: Are you manufacturer or trading company?
A: We’re manufacturer.
Q: Can you produce OEM products ?
A: Yes, we can produce products by your drawings or samples. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material: | Organic Silicone |
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| Application: | Coffee Machine |
| Certification: | ISO |
| Color: | Natural, Black, Pantone Color |
| Temperature: | -40ºC-250ºC |
| Logo: | Embossed, Debossed, Printed(Customized) |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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How does the injection molding process contribute to the production of high-precision parts?
The injection molding process is widely recognized for its ability to produce high-precision parts with consistent quality. Several factors contribute to the precision achieved through injection molding:
1. Tooling and Mold Design:
The design and construction of the injection mold play a crucial role in achieving high precision. The mold is typically made with precision machining techniques, ensuring accurate dimensions and tight tolerances. The mold design considers factors such as part shrinkage, cooling channels, gate location, and ejection mechanisms, all of which contribute to dimensional accuracy and part stability during the molding process.
2. Material Control:
Injection molding allows for precise control over the material used in the process. The molten plastic material is carefully measured and controlled, ensuring consistent material properties and reducing variations in the molded parts. This control over material parameters, such as melt temperature, viscosity, and fill rate, contributes to the production of high-precision parts with consistent dimensions and mechanical properties.
3. Injection Process Control:
The injection molding process involves injecting molten plastic into the mold cavity under high pressure. Advanced injection molding machines are equipped with precise control systems that regulate the injection speed, pressure, and time. These control systems ensure accurate and repeatable filling of the mold, minimizing variations in part dimensions and surface finish. The ability to finely tune and control these parameters contributes to the production of high-precision parts.
4. Cooling and Solidification:
Proper cooling and solidification of the injected plastic material are critical for achieving high precision. The cooling process is carefully controlled to ensure uniform cooling throughout the part and to minimize warping or distortion. Efficient cooling systems in the mold, such as cooling channels or conformal cooling, help maintain consistent temperatures and solidification rates, resulting in precise part dimensions and reduced internal stresses.
5. Automation and Robotics:
The use of automation and robotics in injection molding enhances precision and repeatability. Automated systems ensure consistent and precise handling of molds, inserts, and finished parts, reducing human errors and variations. Robots can perform tasks such as part removal, inspection, and assembly with high accuracy, contributing to the overall precision of the production process.
6. Process Monitoring and Quality Control:
Injection molding processes often incorporate advanced monitoring and quality control systems. These systems continuously monitor and analyze key process parameters, such as temperature, pressure, and cycle time, to detect any variations or deviations. Real-time feedback from these systems allows for adjustments and corrective actions, ensuring that the production remains within the desired tolerances and quality standards.
7. Post-Processing and Finishing:
After the injection molding process, post-processing and finishing techniques, such as trimming, deburring, and surface treatments, can further enhance the precision and aesthetics of the parts. These processes help remove any imperfections or excess material, ensuring that the final parts meet the specified dimensional and cosmetic requirements.
Collectively, the combination of precise tooling and mold design, material control, injection process control, cooling and solidification techniques, automation and robotics, process monitoring, and post-processing contribute to the production of high-precision parts through the injection molding process. The ability to consistently achieve tight tolerances, accurate dimensions, and excellent surface finish makes injection molding a preferred choice for applications that demand high precision.
Are there specific considerations for choosing injection molded parts in applications with varying environmental conditions or industry standards?
Yes, there are specific considerations to keep in mind when choosing injection molded parts for applications with varying environmental conditions or industry standards. These factors play a crucial role in ensuring that the selected parts can withstand the specific operating conditions and meet the required standards. Here’s a detailed explanation of the considerations for choosing injection molded parts in such applications:
1. Material Selection:
The choice of material for injection molded parts is crucial when considering varying environmental conditions or industry standards. Different materials offer varying levels of resistance to factors such as temperature extremes, UV exposure, chemicals, moisture, or mechanical stress. Understanding the specific environmental conditions and industry requirements is essential in selecting a material that can withstand these conditions while meeting the necessary standards for performance, durability, and safety.
2. Temperature Resistance:
In applications with extreme temperature variations, it is important to choose injection molded parts that can withstand the specific temperature range. Some materials, such as engineering thermoplastics, exhibit excellent high-temperature resistance, while others may be more suitable for low-temperature environments. Consideration should also be given to the potential for thermal expansion or contraction, as it can affect the dimensional stability and overall performance of the parts.
3. Chemical Resistance:
In industries where exposure to chemicals is common, it is critical to select injection molded parts that can resist chemical attack and degradation. Different materials have varying levels of chemical resistance, and it is important to choose a material that is compatible with the specific chemicals present in the application environment. Consideration should also be given to factors such as prolonged exposure, concentration, and frequency of contact with chemicals.
4. UV Stability:
For applications exposed to outdoor environments or intense UV radiation, selecting injection molded parts with UV stability is essential. UV radiation can cause material degradation, discoloration, or loss of mechanical properties over time. Materials with UV stabilizers or additives can provide enhanced resistance to UV radiation, ensuring the longevity and performance of the parts in outdoor or UV-exposed applications.
5. Mechanical Strength and Impact Resistance:
In applications where mechanical stress or impact resistance is critical, choosing injection molded parts with the appropriate mechanical properties is important. Materials with high tensile strength, impact resistance, or toughness can ensure that the parts can withstand the required loads, vibrations, or impacts without failure. Consideration should also be given to factors such as fatigue resistance, abrasion resistance, or flexibility, depending on the specific application requirements.
6. Compliance with Industry Standards:
When selecting injection molded parts for applications governed by industry standards or regulations, it is essential to ensure that the chosen parts comply with the required standards. This includes standards for dimensions, tolerances, safety, flammability, electrical properties, or specific performance criteria. Choosing parts that are certified or tested to meet the relevant industry standards helps ensure compliance and reliability in the intended application.
7. Environmental Considerations:
In today’s environmentally conscious landscape, considering the sustainability and environmental impact of injection molded parts is increasingly important. Choosing materials that are recyclable or biodegradable can align with sustainability goals. Additionally, evaluating factors such as energy consumption during manufacturing, waste reduction, or the use of environmentally friendly manufacturing processes can contribute to environmentally responsible choices.
8. Customization and Design Flexibility:
Lastly, the design flexibility and customization options offered by injection molded parts can be advantageous in meeting specific environmental or industry requirements. Injection molding allows for intricate designs, complex geometries, and the incorporation of features such as gaskets, seals, or mounting points. Customization options for color, texture, or surface finish can also be considered to meet specific branding or aesthetic requirements.
Considering these specific considerations when choosing injection molded parts for applications with varying environmental conditions or industry standards ensures that the selected parts are well-suited for their intended use, providing optimal performance, durability, and compliance with the required standards.
How do injection molded parts compare to other manufacturing methods in terms of cost and efficiency?
Injection molded parts have distinct advantages over other manufacturing methods when it comes to cost and efficiency. The injection molding process offers high efficiency and cost-effectiveness, especially for large-scale production. Here’s a detailed explanation of how injection molded parts compare to other manufacturing methods:
Cost Comparison:
Injection molding can be cost-effective compared to other manufacturing methods for several reasons:
1. Tooling Costs:
Injection molding requires an initial investment in creating molds, which can be costly. However, once the molds are made, they can be used repeatedly for producing a large number of parts, resulting in a lower per-unit cost. The amortized tooling costs make injection molding more cost-effective for high-volume production runs.
2. Material Efficiency:
Injection molding is highly efficient in terms of material usage. The process allows for precise control over the amount of material injected into the mold, minimizing waste. Additionally, excess material from the molding process can be recycled and reused, further reducing material costs compared to methods that generate more significant amounts of waste.
3. Labor Costs:
Injection molding is a highly automated process, requiring minimal labor compared to other manufacturing methods. Once the molds are set up and the process parameters are established, the injection molding machine can run continuously, producing parts with minimal human intervention. This automation reduces labor costs and increases overall efficiency.
Efficiency Comparison:
Injection molded parts offer several advantages in terms of efficiency:
1. Rapid Production Cycle:
Injection molding is a fast manufacturing process, capable of producing parts in a relatively short cycle time. The cycle time depends on factors such as part complexity, material properties, and cooling time. However, compared to other methods such as machining or casting, injection molding can produce multiple parts simultaneously in each cycle, resulting in higher production rates and improved efficiency.
2. High Precision and Consistency:
Injection molding enables the production of parts with high precision and consistency. The molds used in injection molding are designed to provide accurate and repeatable dimensional control. This precision ensures that each part meets the required specifications, reducing the need for additional machining or post-processing operations. The ability to consistently produce precise parts enhances efficiency and reduces time and costs associated with rework or rejected parts.
3. Scalability:
Injection molding is highly scalable, making it suitable for both low-volume and high-volume production. Once the molds are created, the injection molding process can be easily replicated, allowing for efficient production of identical parts. The ability to scale production quickly and efficiently makes injection molding a preferred method for meeting changing market demands.
4. Design Complexity:
Injection molding supports the production of parts with complex geometries and intricate details. The molds can be designed to accommodate undercuts, thin walls, and complex shapes that may be challenging or costly with other manufacturing methods. This flexibility in design allows for the integration of multiple components into a single part, reducing assembly requirements and potential points of failure. The ability to produce complex designs efficiently enhances overall efficiency and functionality.
5. Material Versatility:
Injection molding supports a wide range of thermoplastic materials, providing versatility in material selection based on the desired properties of the final part. Different materials can be chosen to achieve specific characteristics such as strength, flexibility, heat resistance, chemical resistance, or transparency. This material versatility allows for efficient customization and optimization of part performance.
In summary, injection molded parts are cost-effective and efficient compared to many other manufacturing methods. The initial tooling costs are offset by the ability to produce a large number of parts at a lower per-unit cost. The material efficiency, labor automation, rapid production cycle, high precision, scalability, design complexity, and material versatility contribute to the overall cost-effectiveness and efficiency of injection molding. These advantages make injection molding a preferred choice for various industries seeking to produce high-quality parts efficiently and economically.
editor by CX 2024-01-09
China wholesaler Precision and Automatic Small Warehousing and Logistics Conveyor Machine with Hot selling
Product Description
Company Profile
AI-Interroll (ZheJiang ) Automation Equipment Manufacturing Co.,Ltd is a professional manufacturer engaged in spray cooling sterilization machine, PET bottle inverted bottle sterilization machine, bottle lifting conveyor, endless mesh belt conveyor, food grade mesh belt drying machine lines, fruit and vegetable cleaning and sorting machines, packaging machinery, conveying equipment, electronic equipment, automation equipment.
We are a manufacturer integrating research and production, sales and installation.
Aixi equipment: horizontal, running, vertical, turning, screwing, clamping, hanging, flipping, rotating and other conveying lines, chain plates, chain nets, chains, belts, rollers, wind power and other conveying carriers.
Product Description
The flexible chain plate conveyor equipment is an important mechanical foundation with a wide range of applications. It is mainly used in the working conditions of high speed, heavy load, low noise and large center distance. Its transmission performance is better than that of toothed belt transmission, gear transmission and Sub-chain transmission, in order to become 1 of the transmission forms of many industries, can be divided into internal meshing toothed chain, external meshing toothed chain and internal and external composite meshing toothed chain according to the meshing form. The noise of the internal and external composite meshing toothed chain is the lowest. Small and widely used.
The endless mesh belt conveyor is used to transport aquatic products. The whole frame of the modular mesh belt conveyor is made of stainless steel. The conveyor belt adopts the modular plastic mesh belt, which is waterproof and rust-proof.
The endless mesh belt conveyor is a revolution to the traditional belt conveyor. It overcomes the difficulty of maintaining the belt conveyor, and the belt is easily torn, punctured and corroded. It provides customers with a safe, fast and simple maintenance mode of delivery.
Curved belt conveyors are widely used in food, beverage, electric, tobacco and other industries. We can choose a smaller diameter roller to make the corner connection more convenient.
Standard conveyor belt widths are 400, 500, 600, 700, 800, 1000, 1200mm, etc. Other special specifications can also be used according to customer needs. The standard turning radius of the turning belt conveyor is R600, R800, R1000, R1200mm, etc. Other special specifications can also be adopted according to customer needs.
Plastic mesh belt conveyor equipment assembles injection-molded plastic modules into interlocking units with plastic hinge pins that extend across the entire width of the belt. This “brick-laying” method increases the strength of the conveyor belt, and each conveyor belt can be customized and assembled into any desired width and length. The baffles and side panels can also be interlocked with hinge pins and become 1 of the integral parts of the conveyor belt.
Telescopic belt conveyor, it can freely expand and contract in the length direction, and control the length of the conveyor at any time. It can convey materials in 2 directions, and can be used in conjunction with other conveying equipment and material sorting systems to realize automatic production of materials in and out of storage or vehicle loading and unloading, and has been widely used in various industries.
Packaging & Shipping
We can choose the most suitable transportation method according to your needs!
Our Advantages
We have a professional product and equipment research and development team as well as mature technology and rich experience.
We are the direct factory will supply you with high-quality product & quote the most competitive prices.
High effciency is our business philosophy.
FAQ
Are you a trading company or a manufacturer?
We are a manufacturer.
Can you design according to our requirement?
Of course, we can design automation solution according to your technical drawing and requirement. Please tell us your requirement and production process.
How to choose the most suitable Mechanical Equipment?
Our professional team will give you the best suggestion as long as you tell us what kind of test you need to do andthe required specification.
| After-sales Service: | Warranty |
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| Warranty: | One Year |
| Type: | Conveyor |
| Voltage: | 220V |
| Power: | 1.5KW |
| Customized: | Customized |
| Customization: |
Available
| Customized Request |
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Design Considerations for Injection Molded Parts
There are many factors to consider when designing a component for injection molding. These include design factors, materials, overhangs, and process. Understanding these factors will make it easier to choose the right part for the application. In this article, we’ll go over several of the most common design considerations.
Design factors
To get the best results from your injection molded parts, you must ensure that they meet certain design factors. These factors can help you achieve consistent parts and reduce cost. These guidelines can also help you to avoid common defects. One of the most common defects is warping, which is caused by the unintended warping of the part as it cools.
When designing injection molded parts, the draft angle is critical. Increasing the draft angle allows the part to emerge cleanly from the mold and reduces stress concentration. This can improve the part’s function and speed up the production process. In addition, it ensures a uniform surface finish. Incorrect draft angles can result in parts that are not functional and can cost you money. If your product team doesn’t pay attention to these design factors, they could end up destroying expensive molds and producing a high number of rejects.
Ribs are another design factor that should be taken into consideration. Rib height should be less than three times the thickness of the part’s wall. This will prevent sink marks and minimize the chances of the ribs sticking inside the mold.
Materials
There are many options when it comes to materials for injection molded parts. Choosing the right material will affect how well it performs in your particular application. If you need a large part to be flexible and sturdy, then a plastic with good flow properties will work best. Injection molded plastics come in a variety of different resins. Choose the one that best meets your application’s needs, considering its main functionality and the desired appearance. You may also want to choose a material that is UV resistant, heat resistant, flexible, and food safe.
Polymers that are suitable for injection molding include polycarbonate and polypropylene. These materials are flexible and strong, and can be used to create parts with high-level details. These materials are also lightweight and inexpensive. Despite being flexible, they are not suitable for high-stress applications.
During the molding process, the injected material must be cooled, otherwise it will expand again. This is why you need to keep the temperature of the mould at 80 degrees Celsius or less.
Process
Injection molding is the process of creating plastic parts. The plastic is melted in a mold and then forced to cool. It then solidifies into the desired shape. During the cooling process, the plastic can shrink, so it is important to pack the material tightly in the mold to prevent visible shrinkage. When the mold is completed, it cannot be opened until the required cooling time has passed. This time can be estimated based on the thermodynamic properties of plastic and the maximum wall thickness of the part.
The mold must be precisely designed and tested. The process can be repeated many times, which makes it ideal for mass production. It is also one of the fastest ways to scale production. The more parts a mold can produce, the lower its cost per piece. This is one of the benefits of injection molding.
Injection molding parts are used for many industries, including appliances, electronics, packaging, and medical devices. They can be made to have complicated shapes.
Overhangs
Overhangs are areas of extra material that surround the surface of an injection molded part. This extra material is typically made of inexpensive material that is edged or glued on the part’s surface. The overhang material can be easily separated from the blank using a simple cutting process.
The amount of material needed for an overhang is dependent on the shape of the part and the amount of surface area. Generally, an overhang is less than 15 percent of the cost of the part. Usually, the material used should be able to fulfill the overhang’s function and differentiate it from the material in the form flachen area.
Overhangs on injection molded parts should be avoided because they may cause the design to become unstable. To avoid this problem, consider designing your part so that the sides and edges are parallel to one another. This will help ensure that the part will be free of undercuts and overhangs.
Overhangs on injection molded parts can be avoided by ensuring that the parts are designed with tolerances in mind. For example, an overhang in an injection molded part can cause a mold to have an overhang that is too small for the machine. This can cause problems in the manufacturing process, and it can result in a costly mold.
Cost
Injection molding costs can vary depending on the complexity of the part, the size and the type of plastic. Parts with complex geometries may require additional design work and tooling. Larger parts can also cost more than small ones. The amount of time spent designing and producing them is also important.
To reduce the cost of injection molding, a manufacturer must consider two major factors: tooling and the material used. The plastic used for injection molding has several different properties, which will impact the part price. For instance, plastics with a lot of glass fibers will reduce the amount of time necessary to repair the mold. Another factor to consider is the thermal properties of the material.
The next major factor in the cost of injection molded parts is the material of the injection mold. While most of these molds are made of steel, the type and grade of steel used is important. Injection molds are also required to have nearly wear-free interior cavities. This is necessary to maintain tight tolerances.
Another factor that contributes to the cost of injection molded parts is the cost of bulk material. This material costs money and requires expensive electricity to process. Typically, the more parts you produce, the lower the cost per pound. Storage of bulk material is also a significant expense. Therefore, a quicker cycle time will reduce storage costs.
Reliability
While manufacturing involves some degree of variation, the variation should be within acceptable limits. This is essential if you want to produce high-quality, dimensionally stable parts. A reliable manufacturing process involves precise control over mold tooling and part design. It also requires repeatability in both quality and production processes.
A reliable injection molding process also focuses on detecting defects early in the production process. Invisible hazards, such as air pockets, mold materials compromised by overheating, and more, can lead to failure. These defects will most likely not be discovered by simple visual inspection and may not come to light until after warranty claims are filed from the field. By finding the defects in the early stages, manufacturers can maximize productivity and reduce costs by minimizing the number of replacement parts needed.
The process of building a custom mould for plastic components is highly skilled. A perfect mould will eliminate potential defects and ensure that the production process is reliable. Traditionally, this process relied on trial and error, which added time and money to the production process.
Design for manufacturability
When designing injection molded parts, it is imperative to keep in mind their manufacturability. Injection molding allows for complex geometries and multiple functions to be combined into a single part. For example, a hinged part can have a single mold that can produce two different halves. This also decreases the overall volume of the part.
Injection molded parts do not typically undergo post-processing. However, the mold itself can be finished to various degrees. If the mold is rough, it can cause friction during the ejection process and require a larger draft angle. Detailed finishing procedures are outlined by the Society of Plastics Industry.
The process of designing injection molds is very exacting. Any errors in the mold design can lead to out-of-spec parts and costly repair. Therefore, the process of Design for Manufacturability (DFM) validation is a key step early in the injection molding process. Fictiv’s DFM feedback process can identify design challenges and provide early feedback to minimize lead times and improve quality.
The surface of an injection molded part can develop sink marks, which occur when the material has not fully solidified when it is ejected from the mold. Parts with thick walls or ribs are more prone to sinking. Another common defect in plastic injection molding is drag marks, which occur when walls scrape against one another during ejection. In addition to sink marks, parts with holes or exposed edges can form knit lines.
editor by CX 2023-11-15
China Standard Your Best Choice Customized Injection CZPT injection molding machine parts and functions
Product Description
Product Description
| Product Name | Plastic Injection Molding Service Plastic Component |
| Material | ABS/FE6/PE66/PVC/PC/PP/POM etc. |
| Performance | UV resistance,flame retardant,low temperature resistance,flexible/rigid |
| Application | Industrial, electronics etc. |
| Mold Life | 1 shots |
| Mold Cavity | Single cavity,multi cavity, based on customers’ requests |
| Mold Runner | Hot runner/Cold runner |
| Product Surface Treatment | Painting/Polishing/Laser Carving/Screen Printing/UV Printing/Mirror Finishing/Electroplated/Oxidation/Sand Blasting/Passivating |
| Injection Molding Capability | 1-5000g |
| MOQ | Negotiable |
| Packing | Standard export carton packing,or according to customers’ request |
| Parameters | Inch,centimeter,millimeter etc. |
| OEM/ODM | acceptable |
| Advantages | Competitive price& fast delivery & good quality |
| Payment Terms | For mold:50% advance T/T payment, balance will be after you confirm our samples. For production:30% T/T, balance will be after received our B/L copy |
Please Note:
These products belong to our customers, and we just display them to show our ability of production, not for sale! Warm welcome to your customization!
Order Process
Company Profile
Xihu (West Lake) Dis. Yuanchen Plastic Products Co., Ltd.
Our company was founded in 2003.covers an area of 3000sqm,located in Xihu (West Lake) Dis. county,ZHangZhoug,China
we are manufacturer specialized in customized injection molding service and plastic extrusion profiles as customer’s design or sample.
We provide 1 stop Service including prototyping of preprodcution parts,tool design and build,parts production and assembly.We have professional engineering team over 10 years experience of plastic injection mold design and plastic injection molding process.
The products made by us widely used in household electrical appliances,gym equipment ,led lamps,automotive industry,packing industry and other fields.We can customize all kinds of Engineering plastics products according to our customers’ drawings or samples.
With Professional technicians and rich experience we have established CZPT business relationships with customers spread worldwidely,Mainly in Europe,South America and North America.
We are looking CZPT to forming successful business relationships with new clients in the near future.
Please feel free to contact us,We believe we will be your good business partner !
FAQ
1. Are you a trading company or a manufacturer?
We are a manufacturer.
2. What kind of trade terms can you do?
EX-WORKS,FOB,CIF,DDP, DDU
3. Can I test my idea/component before committing to mould tool manufacture?
Yes, we can make 3D samples for test functional evaluations.
4. Can you assure the quality ?
Yes ,We have a professional quality inspection department,the mold is strickly tested before shipment.also send the plastic products sample to you before mass production.
5. Do you support OEM ?
Yes, we can produce by technical drawings or samples.
6.What type of plastic is best for my design/component?
Materials selection depends on the application of your design and the environment in which it will function. We are very glad to discuss the alternatives and give you best suggestions .
7. How about your delivery time?
Generally, it take 25 days for make mold.mass production depending on order qty.
| Material: | ABS/Fe6/PE66/PVC/PC/PP/POM etc., ABS/PE6/PE66/PVC/PC/PP/POM |
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| Application: | Medical, Household, Electronics, Automotive, Agricultural, Decoration Parts, Structural Components |
| Plastic Form: | Granule |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Factors to Consider When Converting a Design to Injection Molding
When considering injection molding for your design, there are several things you should consider. These factors include design, material selection, process, and reliability. In addition, you should consider the price of each part. The average cost per injection molded part is between $1 and $5. If you want to reduce your costs and improve your production cycle, look into converting your design to injection molding.
Design considerations for injection molded parts
Injection molded parts must meet certain design considerations to ensure quality and precision. Design considerations include proper material choice, process control, and tool design. In addition, designers must consider the tolerance ranges for the parts to be produced. These tolerances will differ from molder to molder, and designers should discuss their specific needs with their molders before they begin production. Designers must also consider possible revisions to the mold, such as making the part more or less tighter.
When designing injection molded parts, the designer should consider the thickness of each wall. This will minimize stresses that may arise due to uneven wall thickness. Parts with uneven wall thickness can develop sink marks, voids, and molded-in stresses. This can result in longer production time and increased cost. Moreover, irregular wall thickness can restrict material flow. To minimize these problems, designers should make the transitions between the different thicknesses smooth.
Another important design consideration is the use of bosses in injection molded parts. Bosses are typically used as points of assembly and attachment in injection molded parts. Bosses are cylindrical projections with holes for threaded inserts and other fastening hardware. Injection molded parts with bosses are generally able to accommodate multiple threaded inserts without stripping. These inserts are also durable and enable several cycles of assembly.
The thickness of the walls is another important consideration when designing injection molded parts. The thickness of walls will determine many key characteristics of the part. Careful consideration of this feature will prevent expensive mold modifications and delays. The nominal wall thickness should be determined based on the functional requirements of the part. Likewise, the minimum wall thickness should be set based on acceptable stress. If the walls are too thin, air will collect between them and compromise the functional performance of the part.
Material selection
Selecting the right material for your injection molded parts is an important part of the process. While there are many options, there are also many factors to consider. For instance, what kind of end product are you producing? Whether it’s a consumer part for your home or a complex part for the aerospace industry, you’ll need the right material for the job.
There are literally hundreds or thousands of types of plastic materials available for injection molding. One of the most common types is ABS, a polymer that has a high degree of structural strength and low cost. Another popular choice is polycarbonate, which offers excellent heat resistance and transparency. Alternatively, you can opt for Ultem, a high performance plastic that’s commonly used in medical and aerospace applications.
The process of designing plastic products involves a combination of art and science. The goal of this process is to create a high-quality product that meets the expectations of consumers. By doing this, you’ll reduce production costs and increase profits. It’s not an easy process, but it’s well worth the effort.
Injection molding is an efficient and versatile method of manufacturing medical devices. It can be done in high volumes and with high flexibility. In addition to this, it also offers a broad range of materials. This is important when your parts need to be made of different materials with unique physical properties. For example, if you’re producing toys, you’ll want to use Acrylonitrile Butadiene Styrene (ABS). ABS is also a great option for medical applications because it can withstand the high temperatures and pressures of medical environments.
When choosing plastic injection molding materials, keep in mind the weight and stiffness of the material. Some applications require hard plastics, while others require softer materials. In addition, the material’s flexibility will determine how much you can bend it.
Process
Injection molding is a process in which plastic parts are formed by pressing melt into a mold. The process takes place in two stages. During the first step, the material is injected and heated, while the second stage is when the mold is opened and the part ejected. The part is then finished and ready for use.
The material used in injection molding is made from a variety of polymers. Common polymers include nylon, elastomers, and thermoplastics. Since 1995, the number of materials used in injection molding has increased by 750 percent. Some materials are newly developed while others are alloys of previously-developed materials. The selection of material primarily depends on the strength and function required by the final part. Also, the cost of the material is a critical factor.
The design of custom components for the molding process should be carried out by a skilled industrial designer. There are a number of design guidelines for plastic parts, which should be followed carefully to achieve high quality and dimensional accuracy. Failure to follow these guidelines can lead to undesirable results. Therefore, it is crucial to specify specific requirements for the parts before the process begins.
The process is reliable and highly repeatable, making it ideal for large-scale production. Injection molding also allows for the creation of multi-cavity injection mold parts, which can create several parts in one cycle. Other advantages of the injection molding process include low labor costs, minimal scrap losses, and low post-mold finishing costs.
Before beginning the full production run, technicians perform a trial run. In this test, they insert a small shot weight in the mould. Then, they apply a small holding pressure and increase the holding time until the gate freezes. Then, they weigh the part to check if it is right.
Reliability
Injection-molded parts are subject to a variety of defects. One of the most common is unwanted deformation. This may happen when the temperature of the mold is too high or there is not enough plastic injected into the mold. Another problem is millidiopter range distortion. This distortion is invisible to the naked eye, and cannot be detected by manual inspection. Regardless of the cause, preventing unwanted deformations is critical for the long-term performance of the part.
The process of creating a custom mould for a plastic component requires great skill. Creating a mould that is perfectly suited to the product is important, because a good mould is crucial in avoiding potential defects. Traditionally, this process relied on the skill of a toolmaker and trial-and-error methods. This slows down the process and increases the cost of production.
Another factor contributing to injection molded parts’ reliability is the high level of repeatability. Injection molding is ideal for high volume production, because parts are easily re-molded. However, the process can be prone to failure if there is no quality control. While most injection-molded parts will last for a long time, parts that are prone to wear will eventually fail.
Besides high level of consistency and reliability, injection-molded parts are also eco-friendly. Unlike other manufacturing methods, the injection molding process produces little to no waste. Much of the plastic left behind in the process can be recycled, making it a green alternative. Another benefit of this manufacturing method is automation, which helps reduce production costs. Overall, injection molding is a highly reliable and consistent product.
Injection molding requires precise measurements and a 3-D model. It is also important to check for wall uniformity and draft angles. Properly-designed parts can avoid deformations. If the wall thickness is too low, support ribs can be used. Proper draft angles are important to ensure that the part can be removed easily from the mold.
Cost
The cost of injection molded parts depends on many factors, including the complexity of the part and the mold design. Simpler designs, fewer CAD steps and simpler processes can help companies minimize costs. Another factor that affects the cost of injection molded parts is the geometry of the part. In general, complex geometries require more design work and tooling time. Additionally, thicker walls require more material than thin ones, which raises the cost of the part.
The amount of plastic used in the mold is also a key factor. Injection molding requires large quantities of material, so parts that are larger will require a larger mold. Larger parts are also more complex, so these require more detailed molds. A mold maker will be able to advise you on how to design your part to cut down on costs.
The next major factor affecting the cost of injection molded parts is the material of the mold. Most injection molds are made of steel, but the type and grade of steel used is important. Additionally, tight tolerances require molds with virtually wear-free interior cavities. Hence, higher-grade steel is required.
Another factor affecting the cost of injection molded parts is the price of mold tools. Depending on the size and complexity of the part, the cost of molding tools can vary from $10,000 to several hundred thousand dollars. Injection molding tooling is an integral part of the entire process and can add up to a significant portion of the overall cost of the part.
Draft angles are another factor that affects the cost of injection molded parts. A draft is an important design element as it allows for easy part separation and removal from the mold. Without a draft, it would be very difficult to remove a part after injection.
editor by CX 2023-11-12
China Good quality Customized High Performance Plastic Pulsator for Washing Machine Parts injection molding machine parts and functions
Product Description
Manufacturer Custom Washing Machine Wave Wheel Washing Machine Washer Spare Parts
Product Description
| Product name | Washing Machine Pulsator Wave Wheel |
| Manufactory Type | Injection molding |
| Diameter | 235 ~ 465mm |
| Sample Lead Time | 5 days |
| OEM,ODM | ODM |
| Sample price | Free sample,freight should be paid by the buyer |
| Package | individual package |
| Material | Plastic |
| Application | washing machine |
| Delivery time |
30 days |
| PAYMENT TERM | 40% Deposit Advanced |
Work Shop
Custom Plastic Injection Molding Applications:
1. Plastic injection molding parts for architectural parts
2. Plastic injection molded auto components
3. Injection-molded household utility products
4. Plastic molded electronic enclosures
5. Plastic molds for medical & dental products
6. Injection molding parts for model shops, toys
7. Injection CZPT for new product design & development
8. Custom CZPT for construction
9. Injection CZPT for others like cosmetic case
10. Plastic injection for Information Technology
11. Molded CZPT for payment system
12. Precision CZPT for Agricultural equipment
| Material: | ABS |
|---|---|
| Application: | Medical, Household, Electronics, Automotive |
| Certification: | ISO |
| Customization: |
Available
| Customized Request |
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Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Designing Injection Molded Parts
Injection molded parts are a great way to produce fast, reliable parts without having to spend much time on post-processing. Whether you’re designing a small component or a large vehicle, you can expect your parts to be ready to use right away. Because of their high-speed production cycles, you can expect your parts to be delivered within 30 to 90 seconds.
Design considerations for injection molded parts
When developing a medical device, there are several design considerations to be made to create a quality injection molded part. Typically, product designers want to minimize the amount of material needed to fill the part while still maintaining the structural integrity of the product. To this end, injection molded parts often have ribs to stiffen the relatively thin walls. However, improper placement of ribs or projections can create molding problems.
Design considerations for injection molded parts include the overall shape and finish of the part. There are several ways to make the part look better. One way is to make the surface smoother and less pronounced. This will help the material flow evenly throughout the mold and minimize the risk of parting lines. Another way to reduce the risk of sink marks is to reduce the thickness of ribs relative to the nominal wall thickness of the part.
A common problem encountered when designing injection molded parts is sink marks. These can be difficult to avoid. A molder may not be willing to guarantee the product’s surface is sink-free, so designers must make sure that sink marks are minimized. To prevent these problems, the design of the parts should be as simple as possible.
Injection molded parts can also have complex geometries, and the design process is incredibly flexible. A good molder will be able to reproduce complex parts at low cost. To get the best possible results, designers should discuss the design and process with the molder. They should also discuss with the molder any critical tolerance specifications. The designer should also consider reworking the mold if necessary.
The wall thickness of a plastic injection molded part should be consistent. This is important because it influences the part’s functionality and performance. An uneven wall thickness can result in sink marks, voids, and other undesirable effects. It may also result in excessive plastic pressure or cause air traps.
Materials used in injection molded parts
When designing a product, materials used in injection molding are an important factor in the end result. These materials vary in strength, reusability, and cost. Understanding these differences is essential for ensuring the best product. In addition, understanding the characteristics of these materials can help you plan your budget and determine which ones are right for your application.
Choosing the wrong material can have serious consequences. In addition to premature component failure, the wrong choice can also increase your cost. To avoid such an occurrence, it’s a good idea to seek expert advice. Expert consultations can help you understand the factors that are important for your particular plastic molding project.
Fortron PPS: This thermoplastic resin offers excellent strength, toughness, and chemical resistance. It’s also stiff and durable, which makes it ideal for demanding industrial applications. Other common plastics include Nylon 6/6, which is strong and lightweight. Its high melting point makes it a great replacement for metal in certain environments. It also offers desirable chemical and electrical properties. PEEK is another common material used in injection molding.
ABS: Another engineering grade thermoplastic, ABS offers excellent heat resistance and chemical resistance. The disadvantage of ABS is its oil-based composition. As a result, ABS production creates noxious fumes. Nylon is another popular plastic for injection molding. Nylon is used in many different applications, from electrical applications to various kinds of apparel.
Injection moulding is a process where raw material is injected through a mold under high pressure. The mold then shapes the polymer into a desired shape. These moulds can have one or multiple cavities. This enables manufacturers to create different geometries of parts using a single mould. Most injection moulds are made from tool steel, but stainless steel and aluminium are also used for certain applications.
Characteristics of injection molded parts
Injection molded parts exhibit a range of mechanical and physical properties. These properties affect the performance of the parts. For example, they can affect electrical conductivity. Also, the degree of filling in the parts can determine their mechanical properties. Some studies have even found that filling content can affect the dimensional accuracy of the parts.
To ensure the highest quality of the molded parts, it is important to inspect the machines and processes used to manufacture them. Proper maintenance can prevent mistakes and prolong the service life of the components. Moreover, it is essential to clean and lubricate the machine and its components. This will also reduce the possibility of mold errors.
The temperature and pressure characteristics of the injection mold can be characterized with the help of a simulation tool. For example, in a simulation environment, the injection pressure can be set as a profile and is equal to the pressure in the flow front. Moreover, the maximum injection pressure can be set as a value with minimum dependence on the flow rate. The temperature of the material used in the injection mold should be within a recommended range.
The temperature and pressure of the mold cavity must be monitored to ensure proper ejection. The temperature of the injection mold cavity is usually set at a temperature slightly above the ejection temperature. This can be manually or automatically. If the temperature is too high, the part will not be able to eject. The rapid temperature change can cause the part to warp. The same applies to the cooling time of the mold and cavity.
The thickness of the molded part should be uniform. If the injection mold does not conform to the required thickness, sink marks may be visible. A minimum of 2.5 mm between the outer and inner diameters is required for proper ejection.
Common problems encountered
There are several common problems encountered during the production of injection-molded parts. One of the most common of these is sink marks. These appear on the surface of the part and are a result of uneven cooling of the plastic within the mold. This problem can be caused by poor mold design, insufficient cooling time, and/or low injection pressure.
The first common problem occurs when the mold is not tightly clamped. This causes the molten plastic to be forced out of the mold. Other problems may occur due to the wrong clamping pressure or temperature. In these cases, the clamping force should be increased or the mold design should be revised to allow the plastic to flow properly through it. In addition, a poor quality mold may cause flash or burrs.
Another common problem is wavy patterning. These two defects can affect the appearance and functionality of the part. To avoid these problems, work with an experienced injection molding manufacturer who has experience in these types of parts. They will be able to troubleshoot and minimize any potential risks.
One of the most common problems encountered in injection molding is discoloration. A discolored part will be black or rust-colored. This problem is caused by an excess of air in the mold cavity, and can be avoided by reducing the injection speed. Ventilation systems can also be adjusted to minimize the chances of these problems.
Defective molds can cause a negative impact on the bottom line. By understanding the common problems encountered during injection molding, you can better avoid these problems and make your products as attractive as possible.
Fasteners used in injection molded parts
Injection molded parts often use fasteners for securing fastener elements in place. As shown in FIGS. 7 and 8 (two separate views), the fastener elements are integrated with the molded product, and they extend from one side. The fastener elements are designed to engage loop elements in the overlying layer. The palm-tree shaped fasteners are especially well-suited for this purpose, as their three-dimensional sides engage more loops than flat sides. These features result in a more secure closure.
When fasteners are used in injection molded parts, the plastic is injected into a mold, with the fastener integrated. In addition to self-tapping screws, other plastic fasteners can include moulded or pre-drilled pilot holes. This method avoids the need for a secondary assembly step and ensures an easy fit. These screws also have other advantages, including a smaller thread profile and lower radial stress, which prevents boss damage.
Another type of fastener commonly used in injection molded parts is a boss. This type of fastener is typically larger than the nut and the pilot hole. An undersized boss can lead to warpage during the injection molding process and cause a product to fail in the field.
Another type of fastener used in injection molded parts is a thread insert, which is usually a stainless steel A2 wire. There are different versions of this fastener for different materials, including carbon fiber reinforced plastic. And the fastener can be modified to adjust the size of the hole.
These fasteners are used in many different types of injection molded parts. Some parts are used to fix a variety of cosmetic issues, such as minor sinks. While these are not defects, they may not look perfect, and they can affect the overall appearance of a product. If you want to improve the appearance of an injection molded part, you can add fibers and glass fibers, as well as colorants.
editor by CX 2023-10-18
China manufacturer OEM Plastic Mould Design Plastic PP PC ABS Nylon Injection Molded Molding Parts injection molding machine parts and functions
Product Description
Product Parameters
| Plastic | Plastic injection products | Plastic material | ABS /PC /TPU/PP/PE/Nylon/POM etc |
| Plastic surface finish | Polishing finish,Texture Finish,Glossy Finish,Painting,Slik print,Rubber Painting etc | Certification | ISO9001:2015, ISO13685,IATF16949 |
| Max Produce Size | 1500x1500x1000mm | Color | RAL / PANTONE |
| Design software | Solidworks, Pro-E, UG, CAD, CZPT etc. | Drawing format | IGES, STEP, AutoCAD, Solidworks, STL, PTC Creo, DWG, PDF, etc.. |
| Mold life | 300,000 to 1,000,000 shots | Product weight | 1g-15kgs |
Related Products
Product Application
Renewable Energy Electric Appliance Security
LED Light Home Furnitures Home GYM
Factory Picture Display
HangZhou Dear Industry Co., Ltd. was established in 2008 with an injection molding factory and a die-casting factory, possessing professional injection molding production and zinc/aluminum alloy die-casting production capabilities, as well as corresponding mold design and manufacturing capabilities. The following is a list of our company’s major production models. Our excellent business team can fully and efficiently communicate with customers, understand their ideas and intentions, and convey them to our technical department. Our outstanding team of engineers will provide customers with the best solutions based on their professional knowledge and from the perspective of cost, product quality, production stability, and other aspects according to the customers’ needs.
Meanwhile, we also possess excellent resource integration capabilities to provide customers with one-stop-service. In our assembly workshop, 4 assembly lines can assemble parts into finished products and package them for shipping, saving customers the trouble of contacting multiple suppliers.
If you have any procurement or design needs for individual parts or complete products, please feel free to contact us. We are available 24/7 and look CZPT to communicating with you.
Why Us
1. Experience
Since the company was established in 2008, we have more than 14 years of experience in the field of die-casting(mold)
manufacturing and die-casting parts.
2.Design Ability
We have an excellent Design Team, 11 senior engineers work on different projects.We listen voice from our clients and give them good advice to make sure the production more economic and efficient, also makes the product more functional.
3.Good Communication
Communication is 1 of the most important factors in our cooperation. Our sales and engineers can best grasp the demands of customers, understand their intentions, and provide the best products to them
4.One Stop Service
We have not only die-casting production, but also design and assembly capabilities. We can source parts according to customer demands and assemble finished products for shipment
5.Quality Control
Our quality control includes IQC(incoming quality control), PQC(production quality control) and FQC(final quality control). With QC report for every batch of production, all production data is recoreded in our ERP system.
6.Fast delivery
We do plan and time table for projects, so it’s no need to worry about delivery, also We have ability to handle urgent orders.
Our Team
Customer Testimonial
FAQ
Q1. ARE YOU A FACTORY OR TRADE COMPANY?
–Yes, we are a factory, is a one-stop source forall of your customized products.
Q2. CAN YOU HELP ME TO DESIGN MY PRODUCT OR IMPROVE MY DESIGN?
–Yes, we have a professional design team to help our customer to create their product or improve their design. We need sufficient communication before design to understand your intention.
Q3. HOW TO GET A QUOTATION?
–Please send us drawings in IGS,DWG, STEP file, etc. Detailed PDF together wil e great. If you have any requirements, please remark. Wecould provide professional advice for your refer-ence. The sample will be okay if no drawings, theen we will build and send you a clear and concise drawing to confirm before the quote. Meanwhile, we will keep our promise about the confidentiality of the drawing.
Q4. CAN YOU DO ASSEMBLY AND CUSTOMIZED PACKAGE?
–Yes, we have assmebly line, so you can finish the production line of your product as the last step in our factory.
Q5. DO YOU PROVIDE FREE SAMPLE?
–Yes we offer free sample but do not afford the shipping cost.
Q6. WHO OWNS THE MOLD IF I PAY FOR MOLD FEE?
–You paid the mould so it all belong to you forever, and we will give lifelong maintenance. If necessary, you can take this mould back.
Q7. HOW CAN YOU KEEP YOUR PROMISE ABOUT QUALITY?
–We have an independent quality department to check every step by IQC, IPQC, OQC.If there are any defective items we willl take corrective action to ensure the elimination of the root cause of defects. When you get the goods and find there is a defect after check. We promise to accept your asked return at our cost or provide replacement free.
Q8. WHEN WILL YOU SHIP THE DIE CASTING UNITS OR THE T1SAMPLE?
–Normall,it takes 20-60 business days for the mold, then we will send you T1 sample for approval. And 15-30 business days for mass production.
Q9. HOW TO SHIP?
–The free sample or small order is usually sent by TNT,FEDEX,UPS,etc,and the big order is sent by air or sea after clients confirm.
YOU MAY ALSO NEED PLASTIC INJECTION SERVICE
| Material: | ABS, PA, PC, PE, PP, PS, PVC, POM etc |
|---|---|
| Transport Package: | Wooden Package |
| Specification: | S136, P20, 1.2344, 1.2738, Nak80 and So on |
| Trademark: | Ideal Pro |
| Origin: | Zhejiang |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Importance of Wall Thickness in Injection Molded Parts
When designing injection molded parts, it is important to keep the wall thickness uniform. Uneven wall thickness can lead to warping and sinking. To minimize these problems, injection molded parts should have a wall thickness of 40 to 60 percent of the adjacent wall. The thickness of the wall should also fit within the range recommended for the resin that is being used. If the wall thickness is too thick, it should be cored out. Unnecessary wall thickness alters the dimensions of the part, reduces its strength, and may require post-process machining.
Designing out sharp corners on injection molded parts
Designing out sharp corners on injection molded components can be a challenging process. There are several factors to consider that impact how much corner radius you need to design out. A general rule is to use a radius that is about 0.5 times the thickness of the adjacent wall. This will prevent sharp corners from occurring on a part that is manufactured from injection molding.
Sharp corners can obstruct the flow of plastic melt into the mold and create flaws on parts. They can also cause stress concentration, which can compromise the strength of the part. To avoid this, sharp corners should be designed out. Adding radii to the corners is also an effective way to avoid sharp angles.
Another common problem is the presence of overhangs. Injection molding parts with overhangs tend to have side-action cores, which enter from the top or bottom. As a result, the cost of making these parts goes up quickly. Moreover, the process of solidification and cooling takes up more than half of the injection molding cycle. This makes it more cost-effective to design parts with minimal overhangs.
Undercuts on injection molded parts should be designed with a greater radius, preferably one or two times the part’s wall thickness. The inside radius of corners should be at least 0.5 times the wall thickness and the outside radius should be 1.5 times the wall thickness. This will help maintain a consistent wall thickness throughout the part. Avoiding undercuts is also important for easy ejection from the mold. If undercuts are present, they can cause a part to stick inside the mold after it has cooled.
Keeping wall thickness uniform is another important issue when designing plastic parts. Inconsistent wall thickness will increase the chance of warping and other defects.
Adding inserts to injection molded parts
Adding inserts to injection molded parts can be a cost-effective way to enhance the functionality of your products. Inserts are usually manufactured from a wide range of materials, including stainless steel, brass, aluminum, bronze, copper, Monel, nickel/nickel alloy, and more. Selecting the right material for your parts depends on the application. Choosing the correct material can help prevent defects and keep production cycles short. The insert material should be durable and resist deformation during the injection molding process. It must also be thin enough to provide the desired grip and have a proper mold depth.
The benefits of adding inserts to injection molded parts include the ability to design parts with unique shapes. These parts can be aesthetically pleasing, while still remaining durable and resistant to wear and tear. In addition, insert molding allows products to have a good external finish. In addition to being cost-effective, insert molding is considered a more efficient manufacturing method than other conventional methods.
Adding inserts to injection molded parts is an excellent way to enhance the strength and performance of your products. There are many different types of inserts, including threaded nuts, bushings, pins, and blades. Some types are even available with knurled outer surfaces that help them adhere to plastic.
In addition to being cost-effective, insert molding is environmentally friendly and compatible with many types of materials. Typical inserts are made of metal or plastic. Depending on the application, stiffening inserts may also be made from wood.
Importance of uniform wall thickness
The uniformity of wall thickness is an essential factor in the plastic injection molding process. It not only provides the best processing results, but also ensures that the molded part is consistently balanced. This uniformity is especially important for plastics, since they are poor heat conductors. Moreover, if the wall thickness of an injection molded part varies, air will trap and the part will exhibit a poorly balanced filling pattern.
Uniform wall thickness also helps reduce shrinkage. Different materials have different shrinkage rates. For instance, thick parts take longer time to cool than thin ones. As the part’s thickness increases, cooling time doubles. This relationship is due to the one-dimensional heat conduction equation, which shows that heat flows from the center of the part toward the cooling channel. However, this relationship does not hold for all types of plastics.
The general rule for maintaining uniform wall thickness in injection molded parts is that walls should be no thicker than 3mm. In some cases, thicker walls can be used, but they will significantly increase production time and detract from the part’s aesthetic appeal and functionality. Furthermore, the thickness of adjacent walls should be no thicker than 40-60% of each other.
The uniformity of wall thickness is critical to the overall quality and efficiency of the injection molding process. An uneven wall thickness can cause twisting, warping, cracking, and even collapse. A uniform wall thickness also reduces residual stress and shrinkage. Injection molded parts are more stable when the wall thickness is uniform.
An injection molded part with thick walls can be problematic, especially when the molded parts are shaped like a cube. A non-uniform wall thickness can result in problems and costly retooling. Fortunately, there are solutions to this problem. The first step is to understand the problem areas and take action.
Using 3D printing to fabricate molds
The use of 3D printed molds allows manufacturers to manufacture a wide range of injection molded parts. However, 3D-printed molds are not as strong as those made from metallic materials. This means that they do not withstand high temperatures, which can degrade them. As such, they are not suitable for projects that require smooth finishing. In order to reduce this risk, 3D-printed molds can be treated with ceramic coatings.
Using 3D printing to fabricate injection molds can help reduce costs and lead times, allowing manufacturers to bring their products to market faster. This process also has the advantage of being highly efficient, as molds made using 3D printing can be designed to last for many years.
The first step in fabricating an injection mold is to design a design. This design can be complex or simple, depending on the part. The design of the mold can be intricate. A simple example of a mold would be a red cup, with an interior and exterior. The interior portion would have a large cone of material protruding from the other side.
Injection molding is an effective way to produce thousands of parts. However, many engineering companies do not have access to expensive 3D printers. To solve this problem, companies should consider using outside suppliers. In addition to speeding up the manufacturing process, 3D printing can reduce the cost of sample parts.
Plastic injection molding still remains the most popular method for high volume production. However, this process requires a large up-front capital investment and takes a while to adapt. Its advantages include the ability to use multiple molds at once, minimal material wastage, and precision dosing. With an increasing number of materials available, 3D printing can be a smart option for companies looking to manufacture a variety of plastic parts.
editor by CX 2023-06-13
China Professional Supplier ABS PP PC PA6 POM Custom Electronic Industrial Automobile Engineering Machine CNC Molding Injection Plastic Spare Part injection moulding for parts
Product Description
Zhongtian electronic (ZT electronic) is a professional plastic product company since the year of 2003. With many years of experience, we are engaged to offer customer high performance industrial and engineering plastic products, parts or components.
| Production and Capicity | Custom CZPT fabrication, assembly, metal parts stamping |
| Injection Materials | ABS, PP, PC, POM, PA6 & PA66, PA+GF |
| Mould Injection Machine | 19 sets |
| Machine Tons, Min | 50 tons |
| Machine Tons, Max | 750 tons |
| Certificate or production standard | ISO9001:2015 |
| Service | Mould design, material recommendation, surface treatment, assembly, metal stamping |
| Surface treatment | Part deburring, powder coating, screen printing. |
| Packing | According to customer request in carton or tray |
Plastic products and parts have become such a part of our daily life. In industry trade or daily life, they are such a versatile medium for component fabrication. ZT electronic parts are being utilized in a wide range of product applications.
As a custom plastic fabrication company, we utilize the latest technology in computerized equipment, dedicated engineers, and plastic fabrication professionals to consistently produce high quality molded injection and machined components found anywhere in the plastics fabricating industry.
Regardless of your product requirements, ZT electronic has the ability to fabricate plastics of any kind of shapes and sizes through a variety of specialty manufacturing operations.
Combine our rich experience in plastic and our engineers and technicians with modern production facility, we are striving to develop and custom fabricate the highest quality plastic components, on-time and within budget!
All videos and photos were taken in our own factory. Not beautiful but our real production site.
If you are looking for outstanding service from a custom plastic fabrication company with the knowledge and experience needed to meet your specific requirements, make sure to contact us. Let us put our plastic custom fabrication experience to work for you.
We are striving and hope to establish long-term relationship with satisfied customers.
We also have a metal parts workshop to meet some customer’s metal parts requirement.
Secondary Services and advantages:
ZT electronic provides a wide range of value-added secondary services to better service our customer’s needs. Some of our services include:
- Totally use high performance raw materials for production
- Assembled Components
- Can pressed-In or Inserts metal part or others
- Specialty Surface Finishes
- Lapping
- 3D printing for customer design testing
- Custom Packaging
- Several extra parts are free for customer
- Has a metal parts workshop to offer metal parts.
Please feel free to contact us and see how we assist you with your requirement.
Thank you for your interest!
FAQ
Q1: Are you a manufacturer or foreign trade company?
We are an professional plastic manufacturer established in 2003.
Q2: What do you need if we want a quote?
Kindly send us your 2D and 3D drawing or sample of your product. We also need to know other details such as materials, estimated Quantity, packing request and others.
Q3: How and we do we confirm sample?
First open mould. Once mould is ready, we will test for several times till get qualified samples. We will send you the samples by express for confirmation. Once confirmed, production will be done according to this standard.
Q4: How does the payment process work?
Our preferential payment terms is by T/T.
For mould: 50% in deposit, the balance based on sample available and confirmed.
For Production: 30% in deposit, the rest is based on B/L copy
Q5: How do I know about the production?
We will send you videos or pictures during order production from mould opening, sampling, testing, to bass production and packing, delivery.
| Material: | Plastic |
|---|---|
| Usage: | Home Refrigerator & Freezer |
| Parts: | Air Duct |
| Transport Package: | in Carton |
| Specification: | Molded |
| Trademark: | OEM |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Design Considerations for Injection Molded Parts
There are many factors to consider when designing a component for injection molding. These include design factors, materials, overhangs, and process. Understanding these factors will make it easier to choose the right part for the application. In this article, we’ll go over several of the most common design considerations.
Design factors
To get the best results from your injection molded parts, you must ensure that they meet certain design factors. These factors can help you achieve consistent parts and reduce cost. These guidelines can also help you to avoid common defects. One of the most common defects is warping, which is caused by the unintended warping of the part as it cools.
When designing injection molded parts, the draft angle is critical. Increasing the draft angle allows the part to emerge cleanly from the mold and reduces stress concentration. This can improve the part’s function and speed up the production process. In addition, it ensures a uniform surface finish. Incorrect draft angles can result in parts that are not functional and can cost you money. If your product team doesn’t pay attention to these design factors, they could end up destroying expensive molds and producing a high number of rejects.
Ribs are another design factor that should be taken into consideration. Rib height should be less than three times the thickness of the part’s wall. This will prevent sink marks and minimize the chances of the ribs sticking inside the mold.
Materials
There are many options when it comes to materials for injection molded parts. Choosing the right material will affect how well it performs in your particular application. If you need a large part to be flexible and sturdy, then a plastic with good flow properties will work best. Injection molded plastics come in a variety of different resins. Choose the one that best meets your application’s needs, considering its main functionality and the desired appearance. You may also want to choose a material that is UV resistant, heat resistant, flexible, and food safe.
Polymers that are suitable for injection molding include polycarbonate and polypropylene. These materials are flexible and strong, and can be used to create parts with high-level details. These materials are also lightweight and inexpensive. Despite being flexible, they are not suitable for high-stress applications.
During the molding process, the injected material must be cooled, otherwise it will expand again. This is why you need to keep the temperature of the mould at 80 degrees Celsius or less.
Process
Injection molding is the process of creating plastic parts. The plastic is melted in a mold and then forced to cool. It then solidifies into the desired shape. During the cooling process, the plastic can shrink, so it is important to pack the material tightly in the mold to prevent visible shrinkage. When the mold is completed, it cannot be opened until the required cooling time has passed. This time can be estimated based on the thermodynamic properties of plastic and the maximum wall thickness of the part.
The mold must be precisely designed and tested. The process can be repeated many times, which makes it ideal for mass production. It is also one of the fastest ways to scale production. The more parts a mold can produce, the lower its cost per piece. This is one of the benefits of injection molding.
Injection molding parts are used for many industries, including appliances, electronics, packaging, and medical devices. They can be made to have complicated shapes.
Overhangs
Overhangs are areas of extra material that surround the surface of an injection molded part. This extra material is typically made of inexpensive material that is edged or glued on the part’s surface. The overhang material can be easily separated from the blank using a simple cutting process.
The amount of material needed for an overhang is dependent on the shape of the part and the amount of surface area. Generally, an overhang is less than 15 percent of the cost of the part. Usually, the material used should be able to fulfill the overhang’s function and differentiate it from the material in the form flachen area.
Overhangs on injection molded parts should be avoided because they may cause the design to become unstable. To avoid this problem, consider designing your part so that the sides and edges are parallel to one another. This will help ensure that the part will be free of undercuts and overhangs.
Overhangs on injection molded parts can be avoided by ensuring that the parts are designed with tolerances in mind. For example, an overhang in an injection molded part can cause a mold to have an overhang that is too small for the machine. This can cause problems in the manufacturing process, and it can result in a costly mold.
Cost
Injection molding costs can vary depending on the complexity of the part, the size and the type of plastic. Parts with complex geometries may require additional design work and tooling. Larger parts can also cost more than small ones. The amount of time spent designing and producing them is also important.
To reduce the cost of injection molding, a manufacturer must consider two major factors: tooling and the material used. The plastic used for injection molding has several different properties, which will impact the part price. For instance, plastics with a lot of glass fibers will reduce the amount of time necessary to repair the mold. Another factor to consider is the thermal properties of the material.
The next major factor in the cost of injection molded parts is the material of the injection mold. While most of these molds are made of steel, the type and grade of steel used is important. Injection molds are also required to have nearly wear-free interior cavities. This is necessary to maintain tight tolerances.
Another factor that contributes to the cost of injection molded parts is the cost of bulk material. This material costs money and requires expensive electricity to process. Typically, the more parts you produce, the lower the cost per pound. Storage of bulk material is also a significant expense. Therefore, a quicker cycle time will reduce storage costs.
Reliability
While manufacturing involves some degree of variation, the variation should be within acceptable limits. This is essential if you want to produce high-quality, dimensionally stable parts. A reliable manufacturing process involves precise control over mold tooling and part design. It also requires repeatability in both quality and production processes.
A reliable injection molding process also focuses on detecting defects early in the production process. Invisible hazards, such as air pockets, mold materials compromised by overheating, and more, can lead to failure. These defects will most likely not be discovered by simple visual inspection and may not come to light until after warranty claims are filed from the field. By finding the defects in the early stages, manufacturers can maximize productivity and reduce costs by minimizing the number of replacement parts needed.
The process of building a custom mould for plastic components is highly skilled. A perfect mould will eliminate potential defects and ensure that the production process is reliable. Traditionally, this process relied on trial and error, which added time and money to the production process.
Design for manufacturability
When designing injection molded parts, it is imperative to keep in mind their manufacturability. Injection molding allows for complex geometries and multiple functions to be combined into a single part. For example, a hinged part can have a single mold that can produce two different halves. This also decreases the overall volume of the part.
Injection molded parts do not typically undergo post-processing. However, the mold itself can be finished to various degrees. If the mold is rough, it can cause friction during the ejection process and require a larger draft angle. Detailed finishing procedures are outlined by the Society of Plastics Industry.
The process of designing injection molds is very exacting. Any errors in the mold design can lead to out-of-spec parts and costly repair. Therefore, the process of Design for Manufacturability (DFM) validation is a key step early in the injection molding process. Fictiv’s DFM feedback process can identify design challenges and provide early feedback to minimize lead times and improve quality.
The surface of an injection molded part can develop sink marks, which occur when the material has not fully solidified when it is ejected from the mold. Parts with thick walls or ribs are more prone to sinking. Another common defect in plastic injection molding is drag marks, which occur when walls scrape against one another during ejection. In addition to sink marks, parts with holes or exposed edges can form knit lines.
editor by CX 2023-06-09
China manufacturer Supplier ABS PP PC PA6 POM Custom Electronic Industrial Automobile Engineering Machine CNC Molding Injection Plastic Spare Part injection moulding electrical parts
Product Description
Zhongtian electronic (ZT electronic) is a professional plastic product company since the year of 2003. With many years of experience, we are engaged to offer customer high performance industrial and engineering plastic products, parts or components.
| Production and Capicity | Custom CZPT fabrication, assembly, metal parts stamping |
| Injection Materials | ABS, PP, PC, POM, PA6 & PA66, PA+GF |
| Mould Injection Machine | 19 sets |
| Machine Tons, Min | 50 tons |
| Machine Tons, Max | 750 tons |
| Certificate or production standard | ISO9001:2015 |
| Service | Mould design, material recommendation, surface treatment, assembly, metal stamping |
| Surface treatment | Part deburring, powder coating, screen printing. |
| Packing | According to customer request in carton or tray |
Plastic products and parts have become such a part of our daily life. In industry trade or daily life, they are such a versatile medium for component fabrication. ZT electronic parts are being utilized in a wide range of product applications.
As a custom plastic fabrication company, we utilize the latest technology in computerized equipment, dedicated engineers, and plastic fabrication professionals to consistently produce high quality molded injection and machined components found anywhere in the plastics fabricating industry.
Regardless of your product requirements, ZT electronic has the ability to fabricate plastics of any kind of shapes and sizes through a variety of specialty manufacturing operations.
Combine our rich experience in plastic and our engineers and technicians with modern production facility, we are striving to develop and custom fabricate the highest quality plastic components, on-time and within budget!
All videos and photos were taken in our own factory. Not beautiful but our real production site.
If you are looking for outstanding service from a custom plastic fabrication company with the knowledge and experience needed to meet your specific requirements, make sure to contact us. Let us put our plastic custom fabrication experience to work for you.
We are striving and hope to establish long-term relationship with satisfied customers.
We also have a metal parts workshop to meet some customer’s metal parts requirement.
Secondary Services and advantages:
ZT electronic provides a wide range of value-added secondary services to better service our customer’s needs. Some of our services include:
- Totally use high performance raw materials for production
- Assembled Components
- Can pressed-In or Inserts metal part or others
- Specialty Surface Finishes
- Lapping
- 3D printing for customer design testing
- Custom Packaging
- Several extra parts are free for customer
- Has a metal parts workshop to offer metal parts.
Please feel free to contact us and see how we assist you with your requirement.
Thank you for your interest!
FAQ
Q1: Are you a manufacturer or foreign trade company?
We are an professional plastic manufacturer established in 2003.
Q2: What do you need if we want a quote?
Kindly send us your 2D and 3D drawing or sample of your product. We also need to know other details such as materials, estimated Quantity, packing request and others.
Q3: How and we do we confirm sample?
First open mould. Once mould is ready, we will test for several times till get qualified samples. We will send you the samples by express for confirmation. Once confirmed, production will be done according to this standard.
Q4: How does the payment process work?
Our preferential payment terms is by T/T.
For mould: 50% in deposit, the balance based on sample available and confirmed.
For Production: 30% in deposit, the rest is based on B/L copy
Q5: How do I know about the production?
We will send you videos or pictures during order production from mould opening, sampling, testing, to bass production and packing, delivery.
| Material: | Plastic |
|---|---|
| Usage: | Home Refrigerator & Freezer |
| Parts: | Air Duct |
| Transport Package: | in Carton |
| Specification: | Molded |
| Trademark: | OEM |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Advantages of Injection Moulding
Whether you’re considering an injection molded part for your next project or need to replace an existing one, there are a few factors you should consider. These include design, surface finishes, tooling costs, and material compatibility. Understanding these factors can help you make the right decision. Read on to learn more about the advantages of injection molding and how to get started.
Design factors
One of the most critical design factors for injection molded parts is the wall thickness. The wall thickness affects many key characteristics of the part, from its surface finish to its structural integrity. Proper consideration of this factor can prevent costly delays due to mold issues or mold modifications. To avoid this problem, product designers must carefully consider the functional requirements of the part to determine the minimum and nominal wall thickness. In addition, they must also consider acceptable stress levels, since parts with excessively thin walls may require excessive plastic pressure and may create air traps.
Another factor to consider when designing a part is its ejection and release capabilities. If the part is released from the mold, the tools should be able to slide the plastic out. Injection molds usually have two sides, one of which is ejectable, and another that remains in the mold. In some cases, special features are required to prevent part release, such as a ramp or a gusset. These design features can increase the design flexibility, but they can also increase the cost of the mold.
When designing injection molded parts, the engineering team first determines the key design elements. These elements will make sure the injection process goes as smoothly as possible. This includes factors like wall thickness, rib design, boss design, corner transition, and weld line, among others. The engineering team will then perform a design for manufacturability analysis and, if all is well, can start building and testing the mold.
Material compatibility
Several factors can affect material compatibility of injection molded parts. When molding plastic parts, it is important to choose a material that is compatible with the part’s intended purpose. Many injection molding processes require that the two main plastic materials used are compatible with each other. This is the case in overmolding and two-shot injection molding.
The material you use to make an injection molded part will significantly impact the tolerance of the finished product. This is why material selection is as important as the design of the part. Many types of plastic resins can be used for injection molding. In addition, many of these resins can be modified or strengthened by adding additives, fillers, and stabilizers. This flexibility allows product teams to tailor the material to achieve desired performance characteristics.
One of the most common thermoplastics is polypropylene. It is extremely durable and has good impact strength and moisture resistance. This material is also recyclable and does not react with food.
Tooling costs
One of the largest costs for manufacturing injection molded parts is tooling. For an OEM, tooling costs can range from $15K per part for a simple part to $500K for a mold with complex geometry. Tooling costs vary based on the type of steel used and the production volume of the part.
To get a reasonable estimate, companies should have a final design, preliminary design, and sample part to hand when requesting quotes. The dimensions and complexity of the cavity in a mold are crucial in determining the tooling cost, as are the part tolerances. Part tolerances are based on the area covered by the part and its functions within the mold.
The type of mold you need can also impact your tooling costs. Injection molding machines can accommodate many different kinds of molds. Some molds are made from a single mold, while others require multiple molds. Some molds can be complicated, making them unmanufacturable, which in turn drives up the cost of tooling.
The costs for tooling for injection molding are not well known, but they do add up quickly. Many product development teams tend to consider the cost of the injection molding process in terms of direct materials, machine time, and labor, but that cost model often fails to take into account additional components.
Surface finishes
Surface finishes on injection molded parts are often used to mask defects, hide wear and tear, or enhance a product’s appearance. These finishes can also be useful when the product will come in contact with people’s hands. The surface texture you choose will depend on your desired functionality as well as the way you want to use the product. Generally, rougher textures provide better grip while masking minor molding imperfections. However, they can also make a product more difficult to release from the mold. This means that you may have to increase the draft angle of the mold. In order to get the best surface finish, the toolmaker and product designer must collaborate closely early in the design process.
There are several different surface finishes that can be used for injection molded parts. One type is known as the B-grade finish, and is compatible with a wide variety of injection molding plastics. Another type of finish is called a stone polishing process, and is ideal for parts that have no aesthetic value.
Overhangs
The injection moulding industry refers to overhangs on injection molded parts as “undercuts,” and these can lead to design instability. To minimize undercuts, the design must be parallel to the part’s surface. If an undercut is present, a zigzag parting line can be used.
The overhang is typically a few millimeters shorter than the surface of the mold. It is generally made from a lower-cost plastic material than the part’s surface area. The material used for the overhang should have sufficient strength to fulfill its function. An overhang will also help to prevent the piece from deforming or cracking.
Injection molding can create overhangs around the perimeter of a part. Overhangs are not always necessary; they can be added to parts as desired. Adding an overhang, however, will add substantial tooling costs. As a result, it is better to minimize the overall thickness of a design. However, in some cases an overhang can be useful to make the part look more attractive.
For parts with complex geometries, there are a few options for overhangs. Some manufacturers use side-action molds to form more complex shapes.
CNC machining
CNC machining of injection molded parts is a process that helps manufacturers achieve precise surfaces and shapes for their products. This process typically begins with the milling of the tooling, which is typically made of aluminum or steel. This tooling is then placed in a CNC mill. This machine carves the negative of the final plastic part, making it possible to achieve specific surface finishes. The process can be adapted to create a part with a complex structure or special features.
CNC machining allows the manufacturer to produce high-performance parts. This is possible because MIM parts do not experience induced stresses or internal pressure during the manufacturing process. Furthermore, the parts produced by MIM are more durable than CNC parts. Despite their advantages, CNC machining has its limitations, especially when it comes to design freedom and intricacy. This factor is largely dependent on the software used by the manufacturer or designer.
One drawback of CNC machining is its higher cost. Compared to injection molding, CNC machining is more expensive per part. The reason is that the initial mold cost is relatively high and is spread over a large number of parts. Once the injection molding process has been completed, the cost of the parts produced by this process becomes more competitive with those produced by machined parts. However, the cost gap increases with the volume of parts produced. This cost crossover generally occurs in quantities of at least 100 parts and can reach a maximum of 5000 parts.
Production volume
The production volume of injection molded parts varies depending on the material being used. Large volumes of parts are expensive to produce, while small quantities can be produced for low cost. Injection molding requires a precise mold, which is CNC-machined from tool steel or aluminum. The mold has a negative of the part that is injected, a runner system, and internal water cooling channels to aid in cooling the part. Recent advances in 3D printing materials have made it possible to produce molds for low-volume injection molding. Previously, this was not financially viable due to the high cost of traditional mold making.
A mold is used to produce plastic parts. The molding process is very fast, with each cycle taking anywhere from 30 seconds to 90 seconds. After a part is molded, it is removed from the mold and placed on a holding container or conveyor belt. Injection molded parts are generally ready for use right away and require minimal post-processing. Injection molded parts have a similar design to a photograph, since the geometry is directly transferred to the part’s surface texture.
When selecting a plastic mold, it is important to determine the volume that the part will be produced at. If the volume is low, softer plastics may be used. However, as the part is molded over, its performance characteristics may degrade. In low-volume production, it is important to consider the overall complexity of the part. This includes the part’s draft, wall thickness, and surface finish.
editor by CX 2023-06-08
China Best Sales Custom Nylon CNC Milling Machined Precision Plastic Injection Mould Machine Part automotive injection molded parts
Product Description
With a capable machining team and comprehensive knowledge of materials, advanced machineries and facilities, Energetic Industry served clients in broad field.
We can produce precision machining parts according to your idea, not only for material choosing, but also property requirements and shapes.
1. Customized material
| Materials Available | General Plastic: HDPE, PP, PVC, ABS, PMMA(Acrylic) ect. |
| Engineering Plastic: POM, PA6, MC nylon, Nylon 66, PTFE, UHMWPE,PVDF ect. | |
| High Performance Plastic: PPS, PEEK, PI, PEI ect. | |
| Thermosetting Plastic: Durostone, Ricocel sheet, G10, FR4, Bakelite ect. | |
| Spcial Plastic Material: Plastic +GF/CA/Oil/Brone/Graphit/MSO2/ceramic ect. | |
| Spcial Plastic Plastic Alloy: PE+PA, PP+PA, POM + PTFE ect. | |
| Metals: Carbon Steel, SS Steel, Brass, Iron, Bronze, Aluminum, Titanium | |
| Special parts: Metal + Plastic Combined Part |
2. Customized property
ESD, conductive, hardness, wear resistance, fire-resistant, corrosion resistance, impact strength, work temperature, UV resistant ect.
3. Customized shape with drawing
Gear, rollers, wheels, base part, spacers, blade, liner, rack, bearings, pulley, bearing sleeves, linear guide rail, sliding block, guide channel, spiral, washer, positioning strip, joint, sheath, CZPT plate, retaining ring, slot, skating board, frame, cavity parts, CZPT jig and fixture, PCB solder pallet, profiles.
Molds, cavity, Radiator fin, prototype, outermost shell, fittings and connectors, screws , bolt …
Further services of CNC machining:
Processing: Cutting, CNC machining, CNC milling and turning, drilling, grinding, bending, stamping, tapping, injection
Surface finish: Zinc-plated, nickel-plated, chrome-plated, silver-plated, gold-plated, imitation gold-plated
Application Field:
- Electronic and electrician
- Physical and Electronic Science Research
- Mineral and coal
- Aerospace
- Food processing
- Textile printing & dyeing industry
- Analytical instrument industry
- Medical device industry
- Semi conductor, solar, FPD industry
- Automotive industry
- Oil & Gas
- Automobile
- Machinery and other industrial ect.
| Material: | PE |
|---|---|
| Color: | Natural, Black, Red, Green, Customized |
| Processing: | CNC, Injection, Molded Press |
| Packing: | Thick Carton Boxes |
| Outstanding Property: | Food Safe |
| Production Time: | 3~25 Days |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What Is Injection Moulding?
Injection molding is a process of producing precision-molded parts by fusing raw plastics and guiding them into a mold. The main components of an injection mold are a hopper, barrel, and reciprocating screw. Before injection, the raw plastics are mixed with coloring pigments and reinforcing additives.
Characteristics of injection molded parts
Injection molding is the process of manufacturing plastic parts. It uses thermoplastic, thermoset, or elastomers to manufacture components. The range of materials is enormous and includes tens of thousands of different polymers. They are blended with other materials and alloys to produce a wide range of properties. Designers select the appropriate materials for the job based on the properties and functions desired in the finished part. During the mold design process, mold materials must be carefully chosen, as different materials require different molding parameters.
Injection molding requires precise tolerances of the temperature and strain levels. The maximum strain level is about 0.15 percent. It is possible to adjust these parameters to meet the requirements of an injection molding project. The resulting products can be easily checked for quality by measuring the strain and temperature of the mold inserts in real time.
Injection molding is known for its laminar flow of the polymer. However, there is still a possibility for side-to-side thermal variations in the part forming cavity. This is illustrated in FIG. 4. The part has high and low sheared areas; the higher sheared areas flow on the bottom side of the part, while the lower sheared areas flow on the top side.
Injection molding is used to make many different types of plastic parts, from small parts to entire body panels of a car. These parts can be made from a variety of different materials, such as polypropylene for toys and ABS for consumer electronics. They can also be made from metal, such as aluminum or steel.
The melting temperature of plastic parts must be appropriate for the project’s specifications. The mold should be large enough to produce the parts desired. This will minimize the impact of uneven shrinkage on the product’s dimensional accuracy. In addition to the temperature, a mold must be designed with the material’s properties in mind.
Tooling fabrication
Injection molded parts are produced using molds. This process is a complex process that requires customization to ensure proper fit and function. The main component of a mold is the base, which holds the cavities, ejectors and cooling lines. The size and position of these components are crucial to the production of quality parts. Incorrectly sized vents can cause trapped air to enter the part during the molding process. This can lead to gas bubbles, burn marks, and poor part quality.
The material used for tooling fabrication is usually H-13 tool steel. This steel is suitable for injection molded parts as it has a low elongation value. The material used to fabricate tooling for injection molded parts typically has a high yield strength. The material used for injection moulding tooling is typically 420 stainless steel or H-13 tool steel. These materials are suitable for most injection molding processes and have comparable yield strength compared to wrought or MIM parts.
Another important part of tooling fabrication is the design of the mold. It is important to design the mold with a draft angle, as this will make ejection easier and reduce costs. A draft angle of 5o is recommended when designing a tall feature. Choosing a draft angle is essential to ensuring that the plastic part is free from air bubbles after injection molding.
Injection moulding tooling costs can account for as much as 15% of the cost of an injection moulded part. With innovation in mould materials and design, tooling fabrication can be more efficient and cost-effective.
Surface finishes on injection molded parts
Surface finishes on injection molded parts can have a variety of effects on the part’s appearance and performance. Different materials lend themselves to different kinds of surface finishes, with some plastics better suited for smooth, glossy finishes than others. The type of surface finish is also affected by several factors, including the speed of injection and the melt temperature. Faster injection speeds help improve the quality of plastic finishes by decreasing the visibility of weld lines and improving the overall appearance of the parts.
For a smooth plastic surface finish, some companies require a high level of roughness on the part. Others may prefer a more rough look, but both options can have their benefits. The type of surface finish chosen will depend on the part’s purpose and intended application. For example, a glossy plastic finish may be preferred for a cosmetic part, while a rougher finish may be better suited for a mechanical part that must be tough and cost-effective.
Surface finishes on injection molded parts are often customized to match the application. For example, some parts require a rough surface finish because they require a greater amount of friction. These parts may require a sandblasting process to achieve the desired texture. Other processes can also be used to control plastic texture.
The type of surface finish depends on the materials used, as well as the design and shape of the part. The type of material used, additives, and temperature also have an impact on the surface finish. It is also important to consider surface finishes early in the design process.
Importance of a secondary operation to improve accuracy
While most injection molded parts do not require secondary operations, some components do require this type of processing. The surface finish of a component will determine how well it functions and what other secondary operations are necessary. Depending on the part’s function, a smooth or textured surface may be appropriate. Additionally, some parts may require surface preparation before applying adhesives, so an accurate surface finish can make all the difference. In order to achieve the desired finish, the injection molder should have experience molding different materials. He or she should also have the knowledge of how to simulate the flow of a mold. Also, experienced molders know how to mix materials to achieve the desired color, avoiding the need for secondary painting processes.
Injection molding is a complex process that requires precision and accuracy. The optimal temperature of the melted plastic must be chosen, as well as the mold itself. The mold must also be designed for the correct flow of plastic. In addition, it must be made of the best thermoplastic material for the part’s design. Finally, the correct time must be allowed for the part to be solid before it is ejected. Many of these issues can be overcome with specialized tooling that is customized to the part’s design.
Injection molding offers the opportunity to make complex parts at low cost. It also allows manufacturers to make parts with complicated geometries and multiple functions.
editor by CX 2023-06-01
China Professional Custom Molded HDPE/LDPE Plastic Injection Molding Parts Fabrication injection molding machine parts and functions
Product Description
Workshop View
Careful Working
Example of What We Do
Company Introduction
FAQ:
Q: Are you a factory or trading company ?
A: We are a factory specializing in custom plastic injection molding parts,together with rubber parts and after-treatment of CZPT such as painting,printing ,assembly etc .
Q:What info do you need if I want to get a quote for a custom plastic part ?
A: 3D drawing in IGS/STEP/X-T format is preferred .Otherwise as long as other format can provide equivellent info ,it would be fine too ,such as CAD drawing with weight info provideded ,or samples sent to us for checking .
Also please state other related info such as what quantity you need,if there are any special requirements such as painting,printing,assembly etc .
Q:What material you can handle ?
A:We can make CZPT in various kind of materials such as PC/PP/ABS/Nylon/PA6/PA66/TPE/PVC/PBT/Nylon with Glass Fiber/Polycarbonate with Glass Fiber/AS/PS etc and subber parts in NBR/Silicone etc .
Q:I have a custom plastic part to make ,I have the design but I am not familar with injection so I am not sure if this part may shrink or not working with injection,can you advise ?
A:YES,we have an engineering team who is not only familar with part design but also familar with injection feasiblity ,once we receive the drawing ,we will check the feasiblity for injection and potential problems in the design.For example,if the part is designed with unnecessary plastic which will not only add cost but also cause sink parts at the surface of the part,we will feedback you before proceeding .
Q:What colors can you do with my plastic part?
A :We can make any color that is in Pantone and RAL color system .
Q:What’s your lead time for mold and for production ?
A:Usually we can send samples in 30-35 days from mold order . Production lead time is 2 to 8 weeks depending on order size .
Q:What’s the mold life gurantee ?
A:We provide lifetime gurantee .For example,usually a mold would start to age after like 500,000 shots ,but if quantity can reach this level ,we will make a new mold at our expense to keep the stable production going on . So you pay mold cost once and we will be responsible for all production from this model .
Q:Is mold our property after we pay it in full ?
A:Yes,mold is the customer’s property after the customer pays it in full .We only keep it well in house to serve the customer’s production needs . The mold won’t be changed unless with customer’s permission .We will not produce from this mold for any third party unless we have the customer’s permission .
Q:What’s your delivery terms ?
A:It’s EXW price for air shipment and FOB HangZhou for sea shipment .HangZhou is our nearest port as we are located in HangZhou ,we can also coordinate to ship to other ports or locations if needed with negotiable price .
| Material: | HDPE, LDPE and Other Injection Plastic Materials |
|---|---|
| Application: | Medical, Household, Electronics, Automotive, Agricultural |
| MOQ: | 1000 |
| Color: | Pantone or Ral System, or as Per Customer′s Sample |
| Item Description: | HDPE/LDPE Plastic Injection Molding Parts |
| Transport Package: | Multi Choices as Per Customer′s Needs |
| Customization: |
Available
| Customized Request |
|---|
Factors to Consider When Converting a Design to Injection Molding
When considering injection molding for your design, there are several things you should consider. These factors include design, material selection, process, and reliability. In addition, you should consider the price of each part. The average cost per injection molded part is between $1 and $5. If you want to reduce your costs and improve your production cycle, look into converting your design to injection molding.
Design considerations for injection molded parts
Injection molded parts must meet certain design considerations to ensure quality and precision. Design considerations include proper material choice, process control, and tool design. In addition, designers must consider the tolerance ranges for the parts to be produced. These tolerances will differ from molder to molder, and designers should discuss their specific needs with their molders before they begin production. Designers must also consider possible revisions to the mold, such as making the part more or less tighter.
When designing injection molded parts, the designer should consider the thickness of each wall. This will minimize stresses that may arise due to uneven wall thickness. Parts with uneven wall thickness can develop sink marks, voids, and molded-in stresses. This can result in longer production time and increased cost. Moreover, irregular wall thickness can restrict material flow. To minimize these problems, designers should make the transitions between the different thicknesses smooth.
Another important design consideration is the use of bosses in injection molded parts. Bosses are typically used as points of assembly and attachment in injection molded parts. Bosses are cylindrical projections with holes for threaded inserts and other fastening hardware. Injection molded parts with bosses are generally able to accommodate multiple threaded inserts without stripping. These inserts are also durable and enable several cycles of assembly.
The thickness of the walls is another important consideration when designing injection molded parts. The thickness of walls will determine many key characteristics of the part. Careful consideration of this feature will prevent expensive mold modifications and delays. The nominal wall thickness should be determined based on the functional requirements of the part. Likewise, the minimum wall thickness should be set based on acceptable stress. If the walls are too thin, air will collect between them and compromise the functional performance of the part.
Material selection
Selecting the right material for your injection molded parts is an important part of the process. While there are many options, there are also many factors to consider. For instance, what kind of end product are you producing? Whether it’s a consumer part for your home or a complex part for the aerospace industry, you’ll need the right material for the job.
There are literally hundreds or thousands of types of plastic materials available for injection molding. One of the most common types is ABS, a polymer that has a high degree of structural strength and low cost. Another popular choice is polycarbonate, which offers excellent heat resistance and transparency. Alternatively, you can opt for Ultem, a high performance plastic that’s commonly used in medical and aerospace applications.
The process of designing plastic products involves a combination of art and science. The goal of this process is to create a high-quality product that meets the expectations of consumers. By doing this, you’ll reduce production costs and increase profits. It’s not an easy process, but it’s well worth the effort.
Injection molding is an efficient and versatile method of manufacturing medical devices. It can be done in high volumes and with high flexibility. In addition to this, it also offers a broad range of materials. This is important when your parts need to be made of different materials with unique physical properties. For example, if you’re producing toys, you’ll want to use Acrylonitrile Butadiene Styrene (ABS). ABS is also a great option for medical applications because it can withstand the high temperatures and pressures of medical environments.
When choosing plastic injection molding materials, keep in mind the weight and stiffness of the material. Some applications require hard plastics, while others require softer materials. In addition, the material’s flexibility will determine how much you can bend it.
Process
Injection molding is a process in which plastic parts are formed by pressing melt into a mold. The process takes place in two stages. During the first step, the material is injected and heated, while the second stage is when the mold is opened and the part ejected. The part is then finished and ready for use.
The material used in injection molding is made from a variety of polymers. Common polymers include nylon, elastomers, and thermoplastics. Since 1995, the number of materials used in injection molding has increased by 750 percent. Some materials are newly developed while others are alloys of previously-developed materials. The selection of material primarily depends on the strength and function required by the final part. Also, the cost of the material is a critical factor.
The design of custom components for the molding process should be carried out by a skilled industrial designer. There are a number of design guidelines for plastic parts, which should be followed carefully to achieve high quality and dimensional accuracy. Failure to follow these guidelines can lead to undesirable results. Therefore, it is crucial to specify specific requirements for the parts before the process begins.
The process is reliable and highly repeatable, making it ideal for large-scale production. Injection molding also allows for the creation of multi-cavity injection mold parts, which can create several parts in one cycle. Other advantages of the injection molding process include low labor costs, minimal scrap losses, and low post-mold finishing costs.
Before beginning the full production run, technicians perform a trial run. In this test, they insert a small shot weight in the mould. Then, they apply a small holding pressure and increase the holding time until the gate freezes. Then, they weigh the part to check if it is right.
Reliability
Injection-molded parts are subject to a variety of defects. One of the most common is unwanted deformation. This may happen when the temperature of the mold is too high or there is not enough plastic injected into the mold. Another problem is millidiopter range distortion. This distortion is invisible to the naked eye, and cannot be detected by manual inspection. Regardless of the cause, preventing unwanted deformations is critical for the long-term performance of the part.
The process of creating a custom mould for a plastic component requires great skill. Creating a mould that is perfectly suited to the product is important, because a good mould is crucial in avoiding potential defects. Traditionally, this process relied on the skill of a toolmaker and trial-and-error methods. This slows down the process and increases the cost of production.
Another factor contributing to injection molded parts’ reliability is the high level of repeatability. Injection molding is ideal for high volume production, because parts are easily re-molded. However, the process can be prone to failure if there is no quality control. While most injection-molded parts will last for a long time, parts that are prone to wear will eventually fail.
Besides high level of consistency and reliability, injection-molded parts are also eco-friendly. Unlike other manufacturing methods, the injection molding process produces little to no waste. Much of the plastic left behind in the process can be recycled, making it a green alternative. Another benefit of this manufacturing method is automation, which helps reduce production costs. Overall, injection molding is a highly reliable and consistent product.
Injection molding requires precise measurements and a 3-D model. It is also important to check for wall uniformity and draft angles. Properly-designed parts can avoid deformations. If the wall thickness is too low, support ribs can be used. Proper draft angles are important to ensure that the part can be removed easily from the mold.
Cost
The cost of injection molded parts depends on many factors, including the complexity of the part and the mold design. Simpler designs, fewer CAD steps and simpler processes can help companies minimize costs. Another factor that affects the cost of injection molded parts is the geometry of the part. In general, complex geometries require more design work and tooling time. Additionally, thicker walls require more material than thin ones, which raises the cost of the part.
The amount of plastic used in the mold is also a key factor. Injection molding requires large quantities of material, so parts that are larger will require a larger mold. Larger parts are also more complex, so these require more detailed molds. A mold maker will be able to advise you on how to design your part to cut down on costs.
The next major factor affecting the cost of injection molded parts is the material of the mold. Most injection molds are made of steel, but the type and grade of steel used is important. Additionally, tight tolerances require molds with virtually wear-free interior cavities. Hence, higher-grade steel is required.
Another factor affecting the cost of injection molded parts is the price of mold tools. Depending on the size and complexity of the part, the cost of molding tools can vary from $10,000 to several hundred thousand dollars. Injection molding tooling is an integral part of the entire process and can add up to a significant portion of the overall cost of the part.
Draft angles are another factor that affects the cost of injection molded parts. A draft is an important design element as it allows for easy part separation and removal from the mold. Without a draft, it would be very difficult to remove a part after injection.
editor by CX 2023-06-01
China high quality Custom ABS Injection Plastic Molded Casing Parts High Precision Aluminum/Brass/Steel/ Plastic CNC Machining Auto Parts injection molding machine parts and functions
Product Description
Custom ABS Injection Plastic Molded Casing Parts High Precision Aluminum/Brass/Steel/ Plastic CNC Machining Auto Parts
Company Profile:
Our company specialized in high precision CNC machining, CNC turning, research and development and assembling services. We own a modern factory covered about 3000 square CZPT and with about 60 staff. Our products are stable with high performance.
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Product Description:
If you need other material, surface finishes, tolerance requirement, packing or something else, we will try our best to meet your needs!
| Processing Technic | CNC Maching, CNC Milling, CNC Turning, EDM, Stamping, Forging, Casting, Punching, Drilling, Broaching ect. |
| Material Available | Aluminum:AL6061, AL6063, AL7075, AL2571, AL5052 ect. |
| Stainless Steel:SS303, SS304, SS316 etc. | |
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| Plastic:POM, PEEK, Nylon, Oiled Nylon | |
| Application | Consumer Electronics Products, Medical Devices, Sport Equipment, Motorcycle, Automibile, Aerial Photography, Model Aeroplane and Communication |
| Tolerance | 0.1mm-0.01mm-0.001mm |
| Surface Finishes | Anodizing, Hard Anodizing, Sand Blasted, Annealing, Polishing, Heat Treatment, Zinc-Plated, Chromed Plated |
| MOQ | Prototype is Acceptable |
| Lead Time | For sample 5-7 days, for mass productiong depend on the quantity |
| QC Equipment | Three-D Machine, Projector, Vernier Caliper, Height Gage |
| Packing | Poly bag, Carton, as per customer’s requirement |
| Trade terms | EXW, FOB, CIF, CNF, as per customer’s request |
| Payment terms | T/T, Paypal or Werstern Union is acceptable |
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Equipment List:
| Vertical CNC Machining Center | 3-AXIS | 17 sets |
| 4-AXIS | 7 sets | |
| Turn-mill combination machining | 4 sets | |
| CNC turning Machine | 6 sets | |
| Grinding Machine | 6 sets | |
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Packaging& Shipping
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FAQ:
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| Condition: | New |
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| Certification: | CE, RoHS, ISO9001 |
| Standard: | DIN, ASTM, GB, JIS, ANSI |
| Customized: | Customized |
| Material: | Aluminum |
| Application: | Metal Processing Machinery Parts |
| Samples: |
US$ 5.00/Piece
1 Piece(Min.Order) | |
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Available
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Injection Molded Parts – Design Considerations
If you want to produce high-quality Injection molded parts, there are several factors to consider before the design process. These factors include the Surface finish, Material compatibility, and Tooling fabrication. This article will focus on some of these factors. Ultimately, you can save time and money by designing the parts in-house.
Design considerations
When creating a new part, or updating an existing part, design considerations for injection molded parts are critical. The decisions you make in these early stages of development can have a profound effect on the final product, and they can also have substantial cost and timing implications. In this guide, we’ll explore key design considerations, including how to maximize the efficiency of the injection molding process. We’ll also touch on how to optimize gate placement and parting lines.
To ensure a successful injection molding process, part design must balance structural integrity and plastic fill volume. This means creating parts with relatively thin walls that have adequate support and avoid warping or sinking. To do this, injection molded parts often feature ribs or projections to strengthen the walls. However, too thin of a wall can result in excessive plastic pressure and air traps.
One of the most important design considerations for injection molded parts is the direction of the parting line. For many applications, a parting line is obvious, but for others it’s a little less obvious. The first step in designing an injection mold is to determine which direction it should open.
Another critical design consideration is the part’s ejection. If a part isn’t ejected properly, it will stick to the mold. A part that has too many undercuts or ribs will end up stuck on the mold’s side, making it difficult to eject it from the mold. A part that has a draft angle of at least five degrees is much easier to eject.
Another important design consideration for an injection molded part is the type of plastic used. Some plastics do not tolerate undercuts. However, some materials are able to tolerate undercuts of up to five percent. Undercuts are not ideal and can increase the complexity and cost of the injection mold.
Another design consideration for injection molded parts is the radius of edges. Sharp corners can create high molded-in stresses and can lead to failure points. A radius eliminates this stress by redistributing the stress more evenly throughout the part. This also facilitates flow of the material through the mold.
Surface finish
Injection molded parts are often finished with additional processing in order to improve their aesthetic quality. There are a variety of finishing processes, including machining and sanding, which give injected molded parts a particular look, feel, or texture. The surface finish of a plastic part affects both its aesthetics and its functionality. According to the Society of Plastics Industry, certain standards for surface finish are essential to the aesthetics and durability of plastic parts.
Surface finish of injection molded parts depends on the primary design goal. For instance, some designs may need a part to be aesthetically pleasing while others may want to enhance its functionality. Surface texture is often used by designers and engineers to achieve different aesthetic goals, such as improving the product’s perceived value. A textured surface may also help hide imperfections and improve the part’s non-slip qualities.
Surface finish is a critical aspect of plastic injection molding. It can affect material selection, tooling, and other process decisions. It is important to determine the desired surface finish early in the design phase. A skilled plastic injection molder can assist you in making this decision. In addition to determining the finish you need, a skilled molder can help you decide the best material for the job.
The PIA classification system defines four basic grades for surface finish. There are subcategories for each grade. Group A surface finish is smooth, and grade B and C finishes are textured. The former is the most common and economical finish and is most suitable for industrial parts. It can hide deformations and tooling marks, and is the least expensive finish type.
Surface finish of injection molded parts can vary greatly, and can be crucial to the performance and appearance of the part. Some companies prefer plastic parts with a glossy finish, while others prefer a textured surface for aesthetic reasons. While the former may be better for aesthetic purposes, rougher surfaces are often preferred for functional or mechanical parts.
Material compatibility
Material compatibility is important for the durability of your injection molded parts. You can use multiple materials in the same part by mixing resins. This is an ideal solution for parts that require adhesion, friction, or wear. Fast Radius can simplify the material selection process, optimize part design, and speed up production.
ABS is a thermoplastic polymer that can withstand a range of temperatures. Its low melting point means that it is easy to mold, and it has good chemical and moisture resistance. ABS also has good impact strength, and is highly durable. It is easy to recycle. Nylon is another versatile material for injection molding. It can be used for car tires, electrical components, and various apparel.
When choosing the material for your injection molded parts, keep in mind that the type of resin will determine their tolerance. Injection molding is compatible with a wide range of plastic resins. Some materials are more suitable than others for certain applications, and many plastics can be modified with stabilizers or additives to improve their properties. This flexibility allows the product development team to customize materials to achieve the performance characteristics they desire.
Polyamides are another great option for injection molding parts. Both natural and synthetic varieties of these plastics have excellent properties. However, they have some drawbacks. For instance, nylon injection molding is difficult and can result in inadequate filling. However, Nylon injection molding has many benefits, including high impact resistance and heat resistance.
Polybutylene terephthalate (PBT) is a high-molecular-weight polymer with excellent mechanical and chemical resistance. It is a good choice for components in the medical, automotive, and lighting industries. Its low water absorption and low flammability make it suitable for many applications.
Polyurethane (TPU) is another polymer option. It has excellent resistance to abrasion, chemicals, greases, and oils. It also has high temperature resistance, and is suitable for ozone environments. However, TPU is more expensive than TPE and requires drying before processing. Moreover, it has a short shelf life.
Tooling fabrication
Tooling fabrication for injection-molded parts is an important component of the manufacturing process. The right design of the mold can reduce the cost and time required for a finished product. For instance, choosing the right type of core for the mold can reduce the amount of material used in the part, which is necessary to produce a high-quality product. It is also important to choose a design that is easy to mill into a mold.
Injection molding requires a mold with precise geometries. The mold tool must be constructed accurately and carefully to achieve the desired precision. It can be the biggest investment in the manufacturing process, but it is also critical to the success of a project. Large volume and high-precision parts often require more complex tooling, as they require the highest level of precision.
Tool steels typically used for injection moulding include H-13 and 420 stainless steel. Both of these materials are strong enough to produce parts of comparable hardness to wrought parts. These materials have low elongation values, so they are ideal for constructing injection moulding tools. Some of these steels also have excellent dimensional accuracy and are ideally suited for high-precision tool fabrication.
The process of plastic injection molding requires precise measuring and tooling fabrication. The mold must have the proper lead angle and space for the material to deform. Undercuts must be no larger than 5% of the diameter. Moreover, the injection molded part should be free of stripping or undercuts. Ideally, it should have a lead angle of 30o to 45o.
Various plastics can be used in the process of injection molding. The process can be used to produce cosmetic and end-use parts. Materials used in the molding process include silicone rubber and thermoplastics. If the part requires additional reinforcement, it can be reinforced with fibers, mineral particles, or flame retardant agents.
Increasingly advanced technologies have streamlined the process of tooling fabrication for injection moulded parts. The process has improved with the use of computer aided design, additive manufacturing, and CNC lathes. Approximately 15% of the cost of a finished injection molded part is spent on tooling fabrication.
editor by CX 2023-05-24