joining injection molded parts

Product Description

China manufacture custom made injection molded PP plastic parts

HangZhou Stick Market is a firm has fifteen years’ knowledge on plastic injection and has a professional engineer crew assisting clients with any dilemma. We are 1 of leading ISO 9 photographs Manufacturer STK or Customized  Shipping and delivery Time  In about thirty times for new production  Packing  Common export packing or customized  MOQ 1000 pcs FOB port HangZhou, China Cargo Air or Sea

Plastic Supplies Applies

Substance Name Attributes Apps
PP Light-weight, Heat Resistance, High Chemical Resistance, Scratch Resistance, All-natural Waxy Visual appeal, Tough and Stiff, Lower Price Automobile (Bumpers, Handles, Trim), Bottles, Caps, Crates, Handles, Housings.
POM Powerful, Rigid, Superb Exhaustion Resistance, Excellent Creep Resistance, Chemical Resistance, Moisture Resistance, By natural means Opaque White, Low/Medium Value Bearings, Cams, Gears, Handles, Plumbing Parts, Rollers, Rotors, Slide Xihu (West Lake) Dis.s, Valves
Pc Quite Hard, Temperature Resistance, Dimensional Stability, Clear, High Value Automobile (Panels, Lenses, Consoles), Bottles, Containers, Housings, Gentle Handles, Reflectors, Safety Helmets and Shields
PS Difficult, Extremely Higher Chemical Resistance, Obvious, Quite Higher Value Valves
Abdominal muscles Strong, Flexible, Reduced Mould Shrinkage (Limited Tolerance), Chemical Resistance, Relevant for Electroplating, By natural means Opaque, Reduced/Medium Price Car (Consoles, Panels, Trim, Vents), Packing containers, Gauges, Housings, Inhalers, Toys
PA6 Higher Toughness, Fatigue Resistance, Chemical Resistance, Minimal Creep, Minimal Friction, Nearly Opaque/White, Medium/Substantial Price Bearings, Bushings, Gears, Rollers, Wheels
PA6/6 Substantial Power, Fatigue Resistance, Chemical Resistance, Lower Creep, Lower Friction, Practically Opaque/White, Medium/Substantial Cost Handles, Levers, Little Housings, Zip Ties
PBT,PET Rigid, Heat Resistance, Chemical Resistance, Medium/Higher Price Automobile (Filters, Handles, Pumps), Bearings, Cams, Electrical Parts (Connectors, Sensors), Gears, Housings, Rollers, Switches, Valves
PVC Tough, Flexible, Flame Resistance, Transparent or Opaque, Minimal Value Electrical Insulation, Household wares, Health care Tubing, Shoe Soles, Toys
HDPE Tough and Stiff, Excellent Chemical Resistance, Organic Waxy Appearance, Reduced Cost Chair Seats, Housings, Covers, Containers
PMMA Rigid, Brittle, Scratch Resistance, Transparent, Optical Clarity, Minimal/Medium Expense Exhibit Stands, Knobs, Lenses, Mild Housings, Panels, Reflectors, Indicators, Shelves, Trays

Business Details

Our main generation area is equiped with forty molding devices of numerous dimensions, ranging from eighty tons to 1400 tons clamping strain.

This supplies us with teh functionality to mildew shot weights from .1 gram to above ten thousand grams with adaptable production runs. 

Plastic Injection Answer:

*  Precision Injection Molding: From style consultancy & prototype tooling to high-volume  world-class creation
*  Parts are widely utilised: Industrial, Automotive, Electronics & Health-related

Technical Skills – Improvement, Style Expertise
*  Design Session & Support
*  Pro/E, CAD/CAM/CAE like CZPT Functions(TM) and mold flow investigation
*  Material Choice Assistance
*  Quick change-all around prototype assistance
*  Secondary Operations including machining, welding & assembly

Molding – Substantial Precision, Large Issue
*  Plastic Decorating: In-Mould Decorating (in-mold labeling), pad printing & hot stamping
*  40 Molding machines from 80TONS to 1400TONS
*  High precision molding from medical to fiber optics factors

Secondary Functions – Benefit Additional Service
*  Pad Printing
*  Sonic Welding
*  Assembly & Packaging

Plastic Injection Gear Checklist

Equipment QTY Origin
Injection Machine forty SETS ZheJiang / China
CNC Machine Heart 5 SETS ZheJiang / China
EDM six SETS China
EDM Mirror 1 SETS Japan
Wire Reducing 5 SETS ZheJiang
Grinding Machine three SETS China
Milling Device ten SETS China
Drilling Equipment 15 SETS China

Solution Selection

Quality Control Amenities

Packing & Delivery

FAQ:

Q: Are you trading firm or producer ?

A: We are manufacturing unit. We are experienced manufcturer, have our possess manufacturing facility and warehouse.

 

Q: What do we want if you want a quotation?

A: Make sure you kindly send us your Second & 3D drawing of your merchandise. The need to have the element technical specs as follows :
    1. Material 
    2. Floor treatment 
    3. Believed creation quantity

Q:How doe the payment process operate ?

A:  Our preferntial payment time period is T/T 
      Mould Tooling :  fifty% down payment,  50% stability from the sample acceptance. 
       Mass Creation: fifty% down payment , 50% towards the B/L duplicate .   

Q: How do I know about the manufacturing ?

A: We will double verify your demands and ship you the samples prior to the mass manufacturing . 
    For the duration of the mass creation , we will preserve you informed of any development.Aside from, we will do one hundred% high quality inspection  before shipment

Q:How do we know about  the deliery status ?

A: We will right away notify you the monitoring number  once we get it from delivery agent. Aside from, we will update the newest shipping and delivery details. 

 

US $0.1-2
/ Piece
|
1,000 Pieces

(Min. Order)

###

Material: ABS
Finish: Color Painting, Texture, Silk Printing
Certificate: FDA, RoHS
Mould Leadtime: 3-6 Weeks
Mould Life: 500, 000-1, 000, 000 Shots
Process: Plastic Injection

###

Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Product Name  China manufacture custom injection molded PP plastic parts
Material PA, PA6, PA+FG, ABS, FR ABS, POM, PC, PS, PP,  PVC, TPR, TPU, TPE, HDPE, PMMA etc.
Mold Cavity Single or Multi-cavity
Mold Base LKM or Equivalent Standard mold base
Core Steel NAK80 Prehardened steel,718, 718H, P20, S136 etc.
Injection Machine Size 40 sets range from 80Tons to 1400Tons
Tolerance +/-0.1mm
Max Mold Size 1500mm X 1300mm
Product Unit Weight From 0.1gram to 10,000grams
Tooling Lead-time 3-7 weeks
Production Lead-time 2-4 weeks
Surface Treatment Chrome Plating, Silk-Printing, Laser Etching, Texture, Color Painting, etc
Mold Life 500000 shots -1000000 shots
Brand STK or Customized 
Delivery Time  In about 30 days for new production 
Packing  Standard export packing or customized 
MOQ 1000 pcs
FOB port Xiamen, China
Shipment Air or Sea

###

Material Name Features Applications
PP Lightweight, Heat Resistance, High Chemical Resistance, Scratch Resistance, Natural Waxy Appearance, Tough and Stiff, Low Cost Automobile (Bumpers, Covers, Trim), Bottles, Caps, Crates, Handles, Housings.
POM Strong, Rigid, Excellent Fatigue Resistance, Excellent Creep Resistance, Chemical Resistance, Moisture Resistance, Naturally Opaque White, Low/Medium Cost Bearings, Cams, Gears, Handles, Plumbing Components, Rollers, Rotors, Slide Guides, Valves
PC Very Tough, Temperature Resistance, Dimensional Stability, Transparent, High Cost Automobile (Panels, Lenses, Consoles), Bottles, Containers, Housings, Light Covers, Reflectors, Safety Helmets and Shields
PS Tough, Very High Chemical Resistance, Clear, Very High Cost Valves
ABS Strong, Flexible, Low Mold Shrinkage (Tight Tolerance), Chemical Resistance, Applicable for Electroplating, Naturally Opaque, Low/Medium Cost Automobile (Consoles, Panels, Trim, Vents), Boxes, Gauges, Housings, Inhalers, Toys
PA6 High Strength, Fatigue Resistance, Chemical Resistance, Low Creep, Low Friction, Almost Opaque/White, Medium/High Cost Bearings, Bushings, Gears, Rollers, Wheels
PA6/6 High Strength, Fatigue Resistance, Chemical Resistance, Low Creep, Low Friction, Almost Opaque/White, Medium/High Cost Handles, Levers, Small Housings, Zip Ties
PBT,PET Rigid, Heat Resistance, Chemical Resistance, Medium/High Cost Automobile (Filters, Handles, Pumps), Bearings, Cams, Electrical Components (Connectors, Sensors), Gears, Housings, Rollers, Switches, Valves
PVC Tough, Flexible, Flame Resistance, Transparent or Opaque, Low Cost Electrical Insulation, Household wares, Medical Tubing, Shoe Soles, Toys
HDPE Tough and Stiff, Excellent Chemical Resistance, Natural Waxy Appearance, Low Cost Chair Seats, Housings, Covers, Containers
PMMA Rigid, Brittle, Scratch Resistance, Transparent, Optical Clarity, Low/Medium Cost Display Stands, Knobs, Lenses, Light Housings, Panels, Reflectors, Signs, Shelves, Trays

###

Equipment QTY Origin
Injection Machine 40 SETS Taiwan / China
CNC Machine Center 5 SETS Taiwan / China
EDM 6 SETS China
EDM Mirror 1 SETS Japan
Wire Cutting 5 SETS Taiwan
Grinding Machine 3 SETS China
Milling Machine 10 SETS China
Drilling Machine 15 SETS China
US $0.1-2
/ Piece
|
1,000 Pieces

(Min. Order)

###

Material: ABS
Finish: Color Painting, Texture, Silk Printing
Certificate: FDA, RoHS
Mould Leadtime: 3-6 Weeks
Mould Life: 500, 000-1, 000, 000 Shots
Process: Plastic Injection

###

Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Product Name  China manufacture custom injection molded PP plastic parts
Material PA, PA6, PA+FG, ABS, FR ABS, POM, PC, PS, PP,  PVC, TPR, TPU, TPE, HDPE, PMMA etc.
Mold Cavity Single or Multi-cavity
Mold Base LKM or Equivalent Standard mold base
Core Steel NAK80 Prehardened steel,718, 718H, P20, S136 etc.
Injection Machine Size 40 sets range from 80Tons to 1400Tons
Tolerance +/-0.1mm
Max Mold Size 1500mm X 1300mm
Product Unit Weight From 0.1gram to 10,000grams
Tooling Lead-time 3-7 weeks
Production Lead-time 2-4 weeks
Surface Treatment Chrome Plating, Silk-Printing, Laser Etching, Texture, Color Painting, etc
Mold Life 500000 shots -1000000 shots
Brand STK or Customized 
Delivery Time  In about 30 days for new production 
Packing  Standard export packing or customized 
MOQ 1000 pcs
FOB port Xiamen, China
Shipment Air or Sea

###

Material Name Features Applications
PP Lightweight, Heat Resistance, High Chemical Resistance, Scratch Resistance, Natural Waxy Appearance, Tough and Stiff, Low Cost Automobile (Bumpers, Covers, Trim), Bottles, Caps, Crates, Handles, Housings.
POM Strong, Rigid, Excellent Fatigue Resistance, Excellent Creep Resistance, Chemical Resistance, Moisture Resistance, Naturally Opaque White, Low/Medium Cost Bearings, Cams, Gears, Handles, Plumbing Components, Rollers, Rotors, Slide Guides, Valves
PC Very Tough, Temperature Resistance, Dimensional Stability, Transparent, High Cost Automobile (Panels, Lenses, Consoles), Bottles, Containers, Housings, Light Covers, Reflectors, Safety Helmets and Shields
PS Tough, Very High Chemical Resistance, Clear, Very High Cost Valves
ABS Strong, Flexible, Low Mold Shrinkage (Tight Tolerance), Chemical Resistance, Applicable for Electroplating, Naturally Opaque, Low/Medium Cost Automobile (Consoles, Panels, Trim, Vents), Boxes, Gauges, Housings, Inhalers, Toys
PA6 High Strength, Fatigue Resistance, Chemical Resistance, Low Creep, Low Friction, Almost Opaque/White, Medium/High Cost Bearings, Bushings, Gears, Rollers, Wheels
PA6/6 High Strength, Fatigue Resistance, Chemical Resistance, Low Creep, Low Friction, Almost Opaque/White, Medium/High Cost Handles, Levers, Small Housings, Zip Ties
PBT,PET Rigid, Heat Resistance, Chemical Resistance, Medium/High Cost Automobile (Filters, Handles, Pumps), Bearings, Cams, Electrical Components (Connectors, Sensors), Gears, Housings, Rollers, Switches, Valves
PVC Tough, Flexible, Flame Resistance, Transparent or Opaque, Low Cost Electrical Insulation, Household wares, Medical Tubing, Shoe Soles, Toys
HDPE Tough and Stiff, Excellent Chemical Resistance, Natural Waxy Appearance, Low Cost Chair Seats, Housings, Covers, Containers
PMMA Rigid, Brittle, Scratch Resistance, Transparent, Optical Clarity, Low/Medium Cost Display Stands, Knobs, Lenses, Light Housings, Panels, Reflectors, Signs, Shelves, Trays

###

Equipment QTY Origin
Injection Machine 40 SETS Taiwan / China
CNC Machine Center 5 SETS Taiwan / China
EDM 6 SETS China
EDM Mirror 1 SETS Japan
Wire Cutting 5 SETS Taiwan
Grinding Machine 3 SETS China
Milling Machine 10 SETS China
Drilling Machine 15 SETS China

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 molded parttInjection 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 parttInjection 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

Injection molded parttSurface 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.
 joining injection molded parts joining injection molded parts
editor by czh 2023-03-23