standard tolerances for injection molded parts

Merchandise Description

Solution Name : Injection Molded Maker, High Precision White Plastic Injection Mould Areas — Plastic Injection Areas

HangZhou Adhere Sector is a company has 10 years’ experience on plastic injection and has a pro engineer crew helping consumers with any issue. We are 1 of top ISO 9 shots Brand STK or Customized  Supply Time  In about thirty days for new production  Packing  Normal export packing or customized  MOQ a thousand pcs FOB port HangZhou, China Cargo Air or Sea

Plastic Materials Applies 

Material Name Characteristics Applications
PP Light-weight, Heat Resistance, Higher Chemical Resistance, Scratch Resistance, Natural Waxy Physical appearance, Tough and Stiff, Lower Cost Car (Bumpers, Handles, Trim), Bottles, Caps, Crates, Handles, Housings.
POM Strong, Rigid, Exceptional Fatigue Resistance, Superb Creep Resistance, Chemical Resistance, Moisture Resistance, By natural means Opaque White, Lower/Medium Price Bearings, Cams, Gears, Handles, Plumbing Components, Rollers, Rotors, Slide Xihu (West Lake) Dis.s, Valves
Computer Extremely Challenging, Temperature Resistance, Dimensional Balance, Transparent, Higher Expense Vehicle (Panels, Lenses, Consoles), Bottles, Containers, Housings, Light Covers, Reflectors, Security Helmets and Shields
PS Challenging, Really High Chemical Resistance, Very clear, Extremely Higher Price Valves
Stomach muscles Powerful, Versatile, Lower Mildew Shrinkage (Limited Tolerance), Chemical Resistance, Applicable for Electroplating, Normally Opaque, Reduced/Medium Value Auto (Consoles, Panels, Trim, Vents), Packing containers, Gauges, Housings, Inhalers, Toys
PA6 Large Strength, Fatigue Resistance, Chemical Resistance, Low Creep, Minimal Friction, Nearly Opaque/White, Medium/Higher Cost Bearings, Bushings, Gears, Rollers, Wheels
PA6/6 Higher Toughness, Tiredness Resistance, Chemical Resistance, Lower Creep, Low Friction, Nearly Opaque/White, Medium/High Cost Handles, Levers, Small Housings, Zip Ties
PBT,PET Rigid, Warmth Resistance, Chemical Resistance, Medium/Large Cost Auto (Filters, Handles, Pumps), Bearings, Cams, Electrical Factors (Connectors, Sensors), Gears, Housings, Rollers, Switches, Valves
PVC Tough, Flexible, Flame Resistance, Clear or Opaque, Reduced Price Electrical Insulation, Family wares, Medical Tubing, Shoe Soles, Toys
HDPE Hard and Stiff, Excellent Chemical Resistance, All-natural Waxy Visual appeal, Lower Value Chair Seats, Housings, Addresses, Containers
PMMA Rigid, Brittle, Scratch Resistance, Transparent, Optical Clarity, Minimal/Medium Value Display Stands, Knobs, Lenses, Light Housings, Panels, Reflectors, Signs, Cabinets, Trays

Firm Info

Our primary creation region is equiped with 40 molding machines of a variety of size,
ranging from 80 tons to 1400 tons clamping pressure.

This provides us with teh ability to mould shot weights from .1 gram to over
10000 grams with adaptable creation operates. 

Plastic Injection Resolution:

*  Precision Injection Molding: From style consultancy & prototype tooling to higher-volume  world-class generation
*  Parts are broadly employed: Industrial, Automotive, Electronics & Medical

Technical Expertise – Development, Layout Skills
*  Design Session & Assistance
*  Pro/E, CAD/CAM/CAE which includes CZPT Performs(TM) and mold stream investigation
*  Material Choice Support
*  Quick change-around prototype help
*  Secondary Functions including machining, welding & assembly

Molding – High Precision, Large Concern
*  Plastic Decorating: In-Mould Decorating (in-mildew labeling), pad printing & hot stamping
*  40 Molding devices from 80TONS to 1400TONS
*  High precision molding from medical to fiber optics parts

Secondary Operations – Value Extra Service
*  Pad Printing
*  Sonic Welding
*  Assembly & Packaging

Plastic Injection Tools List

Gear QTY Origin
Injection Device forty SETS ZheJiang / China
CNC Device Middle five SETS ZheJiang / China
EDM six SETS China
EDM Mirror 1 SETS Japan
Wire Cutting  5 SETS ZheJiang
Grinding Machine 3 SETS China
Milling Device 10 SETS China 
Drilling Device fifteen SETS China

Ms Ivy Lo
HangZhou Stick Business CO., LTD
Unit 05C,5th Ground,Hai Fu Business Middle, 
A 597 Shi Shui Street,HangZhou,China. Publish Code:361008
 
Web: stickindustry stickindustry     

Type: Plastic Mould Parts
Material: ABS
Application: Electronic, Hardware, Household Applicances
Certification: CE, ISO9001
Place of Origin: Xiamen, Fujian, China
Product Material: Plastic

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

|
Request Sample

###

Customization:

###

Plastic Injection Molding Capacity 
Product Name  Injection Molded Maker, High Precision White Plastic Injection Mould 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 50000 shots -500000 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

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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

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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
Type: Plastic Mould Parts
Material: ABS
Application: Electronic, Hardware, Household Applicances
Certification: CE, ISO9001
Place of Origin: Xiamen, Fujian, China
Product Material: Plastic

###

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

|
Request Sample

###

Customization:

###

Plastic Injection Molding Capacity 
Product Name  Injection Molded Maker, High Precision White Plastic Injection Mould 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 50000 shots -500000 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

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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

Benefits of Injection Molded Parts in Design

Injection molded parts are manufactured from a variety of plastics. You can order samples of your desired product or download CAD drawings free of charge. For more information, visit our product catalog. There are numerous benefits of using injection molded products in your designs. Here are some of them. Injection molded products are cost-effective and highly customizable.

Design for manufacturability

Injection molded parttDesign for manufacturability (DFMA) is an important part of the design process for injection-molded parts. This process helps to minimize costs and streamline the production process. It also helps in the prevention of problems during the manufacturing process. The process involves several steps that include part geometry, location of critical surfaces, material selection, and dimensioning. It is also crucial to consider the colors and tolerances, which can help to minimize scrap rates.
Design for manufacturability is a vital early stage in the development process to ensure that the product is cost-effective and repeatable. It begins with a thorough understanding of the purpose for which the part is intended. The design process should take into account every aspect of the part, including the material section, tool design, and the production process.
DFM includes guidelines to ensure that the design meets the manufacturing requirements. These guidelines can include good manufacturing practices, as well as good design principles. Good design focuses on the quantity and quality of parts, as well as the complexity of their surfaces and tolerances. The process also focuses on mechanical and optical properties.
Injection molding design for manufacturability can save resources and time. It also reduces the costs of assembly. An injection molder conducts a detailed analysis of these design elements before starting the tooling process. This is not a standalone principle; it should be used in conjunction with other design optimization techniques.
Ideally, a product should be designed for optimum manufacture. This means that it should not have too many parts, or too few. To minimize this, the designer should choose a model that is easy to mold. Also, a design that does not require too many machine operations and minimizes risks.

Plastics used in injection molding

Injection molded parttInjection molding is a very versatile process that uses various types of plastic polymers. These plastics are extremely flexible and can be molded to take on any shape, color, and finish. They can also be customized to contain design elements, text, and safety instructions. Plastics are also lightweight, easily recycled, and can be hermetically sealed to prevent moisture from getting into the product.
Plastics are categorized according to their properties, which can be helpful in selecting the right plastic for a particular application. Different materials have different degrees of hardness, which is important when it comes to molding applications. Some are harder than others, while others are more flexible. Plastics are ranked according to their Shore hardness, which was developed by CZPT.
Polystyrene is one of the most common plastics used in injection molding. However, it has a few disadvantages. While it is a good choice for simple products that do not require high strength and are prone to breakage, it is not ideal for items that need to be resistant to heat and pressure.
While many types of plastics are used in injection molding, choosing the right material is very important. The right material can make a big difference in the performance of your product and the cost of your product. Make sure to talk with your injection molding supplier to determine which plastic is right for your project. You should look for a plastic with a high impact rating and FDA approval.
Another commonly used plastic is PMMA, or polystyrene. This plastic is affordable and has a glass-like finish. It is often used for food and beverage packaging and can be easily recycled. This material is also used in textiles.Characteristics of polypropylene
Polypropylene injection molded parts offer an array of benefits, including a high degree of rigidity, excellent thermal stability, low coefficient of friction, and chemical resistance. These plastics are available in two main types, homopolymers and copolymers. Both types offer superior hardness and tensile strength. However, the material does not have the same fire-resistance as PE plastics.
Polypropylene is a colorless, odorless, crystalline solid. It is highly resistant to a variety of chemicals and is shatter-resistant. Its properties make it a great choice for many industrial applications, including packaging and containers for liquids. The material is also highly durable and can last for a very long time without breaking. In addition, it does not absorb or retain moisture, making it ideal for outdoor and laboratory applications.
Polypropylene is widely used for injection molding, and its low cost, flexibility, and resistance to chemical attack make it a popular choice. This material is also a great electrical insulator and has excellent thermal expansion coefficient. However, it is not biodegradable. Luckily, it can be recycled.
During the molding process, the temperature of the mold is a significant factor. Its morphology is related to the temperature and flow field, and a clear correlation between the two factors is essential. If you can control the temperature and flow, you can optimize your manufacturing process and eliminate costly trial-and-error procedures.
Polypropylene is an excellent electrical insulator and has a high dielectric coefficient. It can also be sterilized and resist high temperatures. Although it is less rigid than polyethylene, it is a good choice for applications where electrical insulation is necessary.

Texture of injection molded parts

Injection molded parttTexture design is a common feature of injection molded parts, which helps to raise the perceived value of the vehicle. While traditional manufacturing processes can produce limited textures, additive manufacturing allows for infinite designs. For example, a design that looks like a wood grain pattern may be printed on an aluminum car part.
Texture is important because it can improve the strength of the part and enhance its adhesion to other surfaces. Moreover, textured parts can resist damage from contact and fingerprints. This makes them more durable and a good option for further molding operations. Injection molding processes usually follow a set of standards from the Society of Plastics Industry, which define different types of surface finishes.
Textured plastic injection molded parts may have various types of surfaces, including wood grain, leather, sand, or stipple. Choosing the right surface texture is crucial for enhancing the appearance of the part, but it must also be compatible with its function. Different materials have different chemical and physical properties, which can influence the type of texture. Moreover, the melting temperature of the material is important for its surface finish. The additives used in the process can also have an impact on the surface finish.
Texture can also vary between manufacturers and types of components. Some textures are flat, while others are rough. The top row corresponds to A3 and B4 in flatness, while the bottom row shows rough surfaces. These rough surfaces may damage sensitive testing equipment. However, some textures may have near equivalence with each other, namely SPI D-3 and MT-11020.
The type of texture that is applied to injection molded parts can affect the minimum draft angle required for the parts to be ejected. Parts with light texture tend to be smoother than parts with heavy textures, while parts with heavy textures require a higher draft angle. The draft angle for heavy textures should be between five and 12 degrees. It is best to consider this early in the design process and consult with the injection molder to get a good idea of the necessary draft angles.
 standard tolerances for injection molded parts standard tolerances for injection molded parts
editor by czh 2023-03-05