China Custom Plastic Extruded Product standard tolerances for injection molded parts

Product Description

Product Description
Products Name PLASTIC Extruded Product
Products category Plastic extruded parts
Material PP, ABS, PC, ABS+PC, Nylon, delrin (POM), PMMA, AS, PS, PE, PET, PVC, PEEK, etc; GF added material (ABS+GF, PA66+GF, PA666+GF); Rubber like material (TPE, PU, NBR, silicone, NBR+TPE etc)
Size  All size and thickness available.
Shape capable of all shapes as per drawing
Color Natural,black,clear (standard clear or high optical clear), semi-transparent, other colors (Pantone code or RAL code, or as per client’s sample). 
Surface finishing Texture (VDI/MT standard, or made to client’s sample), polished (high polish, mirror polish), smooth, painting, powder coating, printing, electroplating etc.
Drawing 2D or 3D draiwng in any image/picture format is OK
Free sample Yes
OEM/OEM Yes
Application Household, electronics, vehicles, machinery, hospital, cosmetics, Military and Aerospace etc.
Quality certification ISO 90001:2008, TS16949, FDA, REACH, ROHS, SGS
QC Every order production will get more than 10 times regular check and 5 fives times random check by our professional QC. Or by Third party appointed by customer
 
Mold Molding Process Injection molding, overmolding.
Mould type Injection plastic mould 
Standard HASCO, DME, MISUMI, JIS, LKM, etc.
Tooling equipment Lathe,Milling,Grinder,Drill,CNC,EDM,Wire cut machine,Punch machine
Runner Cold or hot
Gate Side Gate, Sub Gate, Direct Gate, Hook Gate, Pin Point Gate, etc.
Cavity Single or Multi cavities
Mould Life 300,000~1,00,000 times

HOW TO GET SOLUTION/QUOTATION FOR YOUR PLASTIC PARTS:

 

Order Solution
Order OEM or ODM welcome. Free sample or slab/button of material for your quality evaluation, mold sample in accordance with drawing for approval of mass production,  
Payment terms L/C, T/T, WEST UNION, MONEYGRAM, PAYPAL, ESCROW
Lead time 3~5 weeks for mold production, and 1~2 weeks for mass production
Package As per customer’s favour. Shock-absorbing bags, Cartons, Wooden box, and wooden or plastic pallet, 
Delivery term FOB CHINA, CIF destination port, DDP customer’s warehouse/address of goods
Shipment By air mail, by sea, by express like DHL, Fedex, UPS, TNT, EMS
Quality Control Sample approval before order, and QC test report(maybe by third party) before balance.

PRODUCTS SHOW

PRODUCTION AND EQUIPMENTS:

EQUIPMENT LIST
NAME SPECIFICATION BRAND ORIGINAL PLACE QUANTITY
CNC Machines Graph 600 KNUTH GERMENY 3
1370 KAFO ZheJiang 25
EDM Machines ZNC450 BHangZhouNA ZheJiang 3
ZNC430 BHangZhouNA ZheJiang 4
Grinding Machines ACC-350ST BESFORD CHINA 6
CNC Lathe Machining L150G-II OKUMA CHINA 3
Wire Cutting Machines DK7732 NEW FAST CHINA 3
Milling Machine SHCM-97A GENTIGER ZheJiang 8
Injection Machine 100T-450T Haitian CHINA 12
CMM Machine CRT-PA574 MITUTYO JAPAN 1
Hardness Tester TILO-T60 MITUTYO JAPAN 2


ADVANTAGED SERVICE TO YOU:

1.Lower freight of sample or goods by DHL, as we have DHL account with bigger discount.
2. Lower price from less management cost, less labor cost and land cost from our new plant.
3. Less FOB cost as it is only 1~3 hours drive from our factory to HangZhou or ZheJiang port and airport.
4. More solution for plastic/rubber material and prodution as our boss and engineers have 30 years of experiences in rubber plastic industry.
5. More Effective service: prompt reply for your e-mail within 6 hours, good solution for any problems within 12 hours.
6. More advantaged products: rubber molded/injection parts, plastic injection parts, and silicone extrusion parts.

General introduction of HangZhou BRIGHT RUBBER PLASTIC:

HangZhou Bright Rubber Plastic Product Co.,Ltd represents high quality and is backed up by our team of quality assurance experts and our ISO 9001 and TS 16949 certifications. Its plant occupies over 2500 square meters of land. Our strengths are our ability to respond quickly and efficiently to customer needs, excellent quality standards, and top notch follow-up service. Our reputation as a reliable and efficient supplier is based on these facts. Our strong engineering team supports our ability to provide excellent quality and on-time delivery.
 
Office:
Our sale office is located in HangZhou city downtown, ZHangZhoug Province, China. It is in 2 hours drive distance to both our factory and airport or sea port in ZheJiang or HangZhou. It is also convenient to meet customers from different countries.
 
Products and materials:
Our company is engaged in manufacture Rubber and plastic parts. The main products include molded rubber parts, Extrusion silicone tube/strip, silicone sponge tube, Injection plastic parts, Extrusion plastic parts, Rubber sponge parts, PVC dipping, The main rubber raw material is EPDM, Natural Rubber, SBR, Nitrile, Silicone, Fluorosilicone, Viton(FKM), Neoprene, Urethane(PU), Polyacrylate( ACM), Ethylene Acrylic(AEM), Santoprene, HNBR, Butyl(IIR), LSR; The main plastic raw material is PP, PA, PE, POM, PC, PVC, PS, PVC, TPE, TPR, TPU.
 
Profound experience: 
Our engineers and QC experts are engaged in rubber plastic industry over 30 years. Our core management team has rich experience and deep understanding of rubber and plastic development.
 
Production capacity:
Factory is working 24 hours by 3 shifts every day, It takes only 3 minutes to finish 1 mold of products. (If 1 mold has 50 cavities, then we can produce 50PCS of products within 3 minutes).
Production machines including 350T vacuum pressing machine, 300T pressing machine, 250T machines and more others.
 
Quality control and test:
It has more than 10 times of quality check for every order, beginning from raw material check to package check. Every production line has at least 2 QC staff for random check and regular check.
Test: manufactory testing machine includes rubber tension tester, rubber vulcanization instrument, durometer, calipers, ageing oven for Density test, Elongation at break, Bonding strength, Pulling force test, twisting force test, Rergarding other test like anti-high/low temperature which will be tested by Third Party Testing Center as customer required.
 
Sale service: 
Every salesman should be in service after strictly trained with productions knowledge and customer-service requirements. Be skilled in exporting business procedure and English communication.

 
FAQ:

Q: Are you manufacturer or trading company?
A: we are manufacturer.

Q: How to get the quickest quotation?
A: send e-mail with drawing directly.

Q: How to get quotation without drawing?
A: possible send sample, pictures or detail descriptions of products to us, we will return you drawing for confirm.

Q: I have an idea for a new product, but not sure if it can be manufactured. Can you help?A. Yes! We are always happy to work with potential customers to evaluate the technical feasibility of your idea or design and we can advise on materials, tooling and likely set-up costs. 

Q: My custom products have already been developed on CAD. Can you use the drawings?
A. Yes! DWG, DXF, IGES, Solidworks and Rhino files can all be used to generate quotes, models and mould tools – this can save time and money in producing your parts.

Q: Can I test my idea/product before committing to mould tool manufacture?
A. Yes, we can use CAD drawings to make models for design and functional evaluations.

Q: What type of plastic material is best for my design/product?
A. Materials selection depends on the application of your design and the environment in which it will function. We will be happy to discuss the alternatives and suggest the best material.

Q: How about sample?
A: free sample is available for your quality evaluation, but you should pay the freight. Regarding customize products, sample and CZPT order will go first before mass production.

 Just contact me for more :

US $0.01-5
/ Piece
|
100 Pieces

(Min. Order)

###

Material: as You Require
Size: According to Custom′s Request
Color: According to Custom′s Request
Request: According to Custom′s Request
OEM/ODM: Welcomed
File: Format Auto CAD, Pdf, JPG

###

Customization:

###

Product Description
Products Name PLASTIC Extruded Product
Products category Plastic extruded parts
Material PP, ABS, PC, ABS+PC, Nylon, delrin (POM), PMMA, AS, PS, PE, PET, PVC, PEEK, etc; GF added material (ABS+GF, PA66+GF, PA666+GF); Rubber like material (TPE, PU, NBR, silicone, NBR+TPE etc)
Size  All size and thickness available.
Shape capable of all shapes as per drawing
Color Natural,black,clear (standard clear or high optical clear), semi-transparent, other colors (Pantone code or RAL code, or as per client’s sample). 
Surface finishing Texture (VDI/MT standard, or made to client’s sample), polished (high polish, mirror polish), smooth, painting, powder coating, printing, electroplating etc.
Drawing 2D or 3D draiwng in any image/picture format is OK
Free sample Yes
OEM/OEM Yes
Application Household, electronics, vehicles, machinery, hospital, cosmetics, Military and Aerospace etc.
Quality certification ISO 90001:2008, TS16949, FDA, REACH, ROHS, SGS
QC Every order production will get more than 10 times regular check and 5 fives times random check by our professional QC. Or by Third party appointed by customer
 
Mold Molding Process Injection molding, overmolding.
Mould type Injection plastic mould 
Standard HASCO, DME, MISUMI, JIS, LKM, etc.
Tooling equipment Lathe,Milling,Grinder,Drill,CNC,EDM,Wire cut machine,Punch machine
Runner Cold or hot
Gate Side Gate, Sub Gate, Direct Gate, Hook Gate, Pin Point Gate, etc.
Cavity Single or Multi cavities
Mould Life 300,000~1,00,000 times

###

Order Solution
Order OEM or ODM welcome. Free sample or slab/button of material for your quality evaluation, mold sample in accordance with drawing for approval of mass production,  
Payment terms L/C, T/T, WEST UNION, MONEYGRAM, PAYPAL, ESCROW
Lead time 3~5 weeks for mold production, and 1~2 weeks for mass production
Package As per customer’s favour. Shock-absorbing bags, Cartons, Wooden box, and wooden or plastic pallet, 
Delivery term FOB CHINA, CIF destination port, DDP customer’s warehouse/address of goods
Shipment By air mail, by sea, by express like DHL, Fedex, UPS, TNT, EMS
Quality Control Sample approval before order, and QC test report(maybe by third party) before balance.

###

EQUIPMENT LIST
NAME SPECIFICATION BRAND ORIGINAL PLACE QUANTITY
CNC Machines Graph 600 KNUTH GERMENY 3
1370 KAFO TAIWAN 25
EDM Machines ZNC450 BANDANA TAIWAN 3
ZNC430 BANDANA TAIWAN 4
Grinding Machines ACC-350ST BESFORD CHINA 6
CNC Lathe Machining L150G-II OKUMA CHINA 3
Wire Cutting Machines DK7732 NEW FAST CHINA 3
Milling Machine SHCM-97A GENTIGER TAIWAN 8
Injection Machine 100T-450T Haitian CHINA 12
CMM Machine CRT-PA574 MITUTYO JAPAN 1
Hardness Tester TILO-T60 MITUTYO JAPAN 2
US $0.01-5
/ Piece
|
100 Pieces

(Min. Order)

###

Material: as You Require
Size: According to Custom′s Request
Color: According to Custom′s Request
Request: According to Custom′s Request
OEM/ODM: Welcomed
File: Format Auto CAD, Pdf, JPG

###

Customization:

###

Product Description
Products Name PLASTIC Extruded Product
Products category Plastic extruded parts
Material PP, ABS, PC, ABS+PC, Nylon, delrin (POM), PMMA, AS, PS, PE, PET, PVC, PEEK, etc; GF added material (ABS+GF, PA66+GF, PA666+GF); Rubber like material (TPE, PU, NBR, silicone, NBR+TPE etc)
Size  All size and thickness available.
Shape capable of all shapes as per drawing
Color Natural,black,clear (standard clear or high optical clear), semi-transparent, other colors (Pantone code or RAL code, or as per client’s sample). 
Surface finishing Texture (VDI/MT standard, or made to client’s sample), polished (high polish, mirror polish), smooth, painting, powder coating, printing, electroplating etc.
Drawing 2D or 3D draiwng in any image/picture format is OK
Free sample Yes
OEM/OEM Yes
Application Household, electronics, vehicles, machinery, hospital, cosmetics, Military and Aerospace etc.
Quality certification ISO 90001:2008, TS16949, FDA, REACH, ROHS, SGS
QC Every order production will get more than 10 times regular check and 5 fives times random check by our professional QC. Or by Third party appointed by customer
 
Mold Molding Process Injection molding, overmolding.
Mould type Injection plastic mould 
Standard HASCO, DME, MISUMI, JIS, LKM, etc.
Tooling equipment Lathe,Milling,Grinder,Drill,CNC,EDM,Wire cut machine,Punch machine
Runner Cold or hot
Gate Side Gate, Sub Gate, Direct Gate, Hook Gate, Pin Point Gate, etc.
Cavity Single or Multi cavities
Mould Life 300,000~1,00,000 times

###

Order Solution
Order OEM or ODM welcome. Free sample or slab/button of material for your quality evaluation, mold sample in accordance with drawing for approval of mass production,  
Payment terms L/C, T/T, WEST UNION, MONEYGRAM, PAYPAL, ESCROW
Lead time 3~5 weeks for mold production, and 1~2 weeks for mass production
Package As per customer’s favour. Shock-absorbing bags, Cartons, Wooden box, and wooden or plastic pallet, 
Delivery term FOB CHINA, CIF destination port, DDP customer’s warehouse/address of goods
Shipment By air mail, by sea, by express like DHL, Fedex, UPS, TNT, EMS
Quality Control Sample approval before order, and QC test report(maybe by third party) before balance.

###

EQUIPMENT LIST
NAME SPECIFICATION BRAND ORIGINAL PLACE QUANTITY
CNC Machines Graph 600 KNUTH GERMENY 3
1370 KAFO TAIWAN 25
EDM Machines ZNC450 BANDANA TAIWAN 3
ZNC430 BANDANA TAIWAN 4
Grinding Machines ACC-350ST BESFORD CHINA 6
CNC Lathe Machining L150G-II OKUMA CHINA 3
Wire Cutting Machines DK7732 NEW FAST CHINA 3
Milling Machine SHCM-97A GENTIGER TAIWAN 8
Injection Machine 100T-450T Haitian CHINA 12
CMM Machine CRT-PA574 MITUTYO JAPAN 1
Hardness Tester TILO-T60 MITUTYO JAPAN 2

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.
China Custom Plastic Extruded Product     standard tolerances for injection molded partsChina Custom Plastic Extruded Product     standard tolerances for injection molded parts
editor by czh 2022-11-26