China Different Color Cutomized Plastic/Rubber Molded Part for Auto, Equipment roto mold vs injection mold

Item Description

01. Item Description

Solution Description
Items Name Injection Plastic Parts 
Items group Injection Plastic Parts 
Content EPDM,NR,SBR,Nitrile, Silicone, Fluorosilicone, Neoprene, Urethane(PU), Polyacrylate(ACM), Ethylene Acrylic(AEM),  HNBR, Butyl(IIR), plastic like content (TPE, PU, NBR, silicone, NBR+TPE and many others)
Measurement All dimension and thickness offered.
Form capable of all styles as for each drawing
Coloration All-natural,black, Pantone code or RAL code, or as for every client’s samples or demands
Hardness 20°~90° Shore A, usually 30°~80° Shore A.
Area finishing Texture (VDI/MT standard, or manufactured to client’s sample), polished (substantial polish, mirror polish), easy, portray, powder coating, printing, electroplating and many others.
Drawing Second or 3D draiwng in any image/picture structure is Ok
Free sample Of course
OEM/OEM Of course
Application Home, electronics, for cars like GM, Ford, Renault, Honda. Equipment, healthcare facility, petrochemical, Navy and Aerospace and many others.
Industry Europe, North The united states, Oceania
Top quality certification ISO 90001:2008, TS16949, Food and drug administration, Get to, ROHS, SGS
QC Each and every purchase generation will get far more than ten times regular examine and 5 fives times random check by our specialist QC. Or by Third get together appointed by buyer
 
Mildew Molding Process Injection molding, mould processing, extrusion
Mould variety processing mould, injection mould, extrusionmold
Equipment 350T vacuum urgent equipment and other pressing device at 300T,250T and so on
Tooling products Rubber rigidity tester, Rubber vulcanization instrument, Durometer, calipers, ageing oven
Cavity 1~400 cavities
Mould Life 300,000~1,00,000 occasions
 
Manufacturing Production capacity finish each mould of merchandise in 3 minutes and operating on 3 shifts within 24 several hours
Mildew direct time fifteen~35 times
Sample direct time 3~5 times
Manufacturing time usually fifteen~thirty times, must be verified prior to order
Loading port HangZhou, ZheJiang , HangZhou or as necessary

02. Firm Profile

HangZhou CZPT Rubber firm was set up in 1996 12 months, Found in HangZhou,China. We are an OEM/ODM professional maker targeted on solutions of rubber and plastic items. It signifies large good quality and is backed up by our crew of quality assurance authorities and our ISO 9001 and TS 16949 certifications. Its plant occupies above 2500 square meters of land.

Our main customers come from Europe,The us and Oceanica, Case in point: Uk, United states of america, Spain, Denmark,Germany, Australia, Finland .

Our strengths are our capacity to reply swiftly and effectively to consumer wants, outstanding good quality standards, and prime notch follow-up services. Our sturdy engineering staff supports our capacity to provide superb good quality and on-time shipping and delivery. Our track record is dependent on very good credit history, top quality and support which is very appreciated by consumers in European and North American market place. With experienced and steady management team, sophisticated products and major technology, experienced marketing and advertising team, a good popularity amongst our customers, the Group is producing each and every effort to create the new model of rubber, plastic items, steel products, mildew processing in the entire world.

“leadship by way of high quality and services, To produce worth for consumers is making a future for ourselves” as our motto. Welcome overseas buddies to visit our business. Hunting forward to your assistance a lot more!

Place of work:
Our sale office is located in HangZhou metropolis downtown, ZheJiang Province, China. It is in 2~3 hrs travel distance to both our manufacturing facility and airport or sea port in HangZhou. It is also handy to meet up with buyers from diverse countries.

Items and materials:
Our business is engaged in manufacture Rubber and plastic parts. The major items incorporate molded rubber areas, Extrusion silicone tube/strip, silicone sponge tube, Injection plastic areas, Extrusion plastic components, Rubber sponge parts, PVC dipping.

We make these components according to the drawings or samples from buyers with various shape,dimension and shade , Example rubber rings, bellows, seals,hose,plug,bumper and so on, The principal rubber uncooked materials is EPDM,NR,SBR,Nitrile, Silicone, Fluorosilicone, (FKM), Neoprene, Urethane(PU), Polyacrylate(ACM), Ethylene Acrylic(AEM), HNBR, Butyl(IIR) with 30~90 Shore A hardness. The major plastic uncooked material is PP, PA, PE, POM, Laptop, PVC, PS, PVC, TPE, TPR, TPU ,Santoprene. Particularly we have benefit in rubber seals and vehicle rubber elements, We have produced a lot of elements for some automotive enterprise like,Rover,BMW, Opel, GM, Ford, Renault, Honda.

Profound encounter:
Our engineers and QC authorities are engaged in rubber plastic sector over 23 several years. Our main management team has abundant experience and deep knowing of rubber and plastic growth.

Manufacturing potential:
Manufacturing facility is working 24 hours by 3 shifts each working day, It will take only 3 minutes to end 1 mildew of goods. (If 1 mold has fifty cavities, then we can make 50PCS of products inside of 3 minutes). Manufacturing machines which includes 350T vacuum pressing machine, 300T urgent machine, 250T equipment and more other folks.

Good quality control and check:
It has far more than 10 times of quality check out for each and every order, beginning from uncooked content verify to package deal verify. Each and every creation line has at minimum 2 QC workers for random examine and regular examine. Check: manufactory tests machine contains rubber tension tester, rubber vulcanization instrument, durometer, calipers, ageing oven for Density examination, Elongation at crack, Bonding power, Pulling pressure check, twisting pressure test, Rergarding other examination like anti-substantial/minimal temperature which will be examined by 3rd Party Tests Centre as consumer needed.

Sale provider:
Every single salesman must be in services right after strictly trained with productions knowledge and client-services needs. Be competent in exporting organization procedure and English communication.

Material: ABS
Application: Medical, Household, Electronics, Automotive, Agricultural
Certification: RoHS
Item Name: Injection Plastic Parts
Other Materials: PVC, PP, PE,
MOQ: 2000 Pieces

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

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Request Sample

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Customization:

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Product Description
Products Name Injection Plastic Parts 
Products category Injection Plastic Parts 
Material EPDM,NR,SBR,Nitrile, Silicone, Fluorosilicone, Neoprene, Urethane(PU), Polyacrylate(ACM), Ethylene Acrylic(AEM),  HNBR, Butyl(IIR), plastic 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, Pantone code or RAL code, or as per client’s samples or requirements
Hardness 20°~90° Shore A, usually 30°~80° Shore A.
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, for vehicles like GM, Ford, Renault, Honda. Machinery, hospital, petrochemical, Military and Aerospace etc.
Market Europe, North America, Oceania
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, mold processing, extrusion
Mould type processing mold, injection mold, extrusionmold
Machines 350T vacuum pressing machine and other pressing machine at 300T,250T and so on
Tooling equipment Rubber tension tester, Rubber vulcanization instrument, Durometer, calipers, ageing oven
Cavity 1~400 cavities
Mould Life 300,000~1,00,000 times
 
Production Production capacity finish each mold of product in 3 minutes and working on 3 shifts within 24 hours
Mold lead time 15~35 days
Sample lead time 3~5 days
Production time usually 15~30 days, should be confirmed before order
Loading port Hangzhou, Shanghai, Ningbo or as required
Material: ABS
Application: Medical, Household, Electronics, Automotive, Agricultural
Certification: RoHS
Item Name: Injection Plastic Parts
Other Materials: PVC, PP, PE,
MOQ: 2000 Pieces

###

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

|
Request Sample

###

Customization:

###

Product Description
Products Name Injection Plastic Parts 
Products category Injection Plastic Parts 
Material EPDM,NR,SBR,Nitrile, Silicone, Fluorosilicone, Neoprene, Urethane(PU), Polyacrylate(ACM), Ethylene Acrylic(AEM),  HNBR, Butyl(IIR), plastic 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, Pantone code or RAL code, or as per client’s samples or requirements
Hardness 20°~90° Shore A, usually 30°~80° Shore A.
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, for vehicles like GM, Ford, Renault, Honda. Machinery, hospital, petrochemical, Military and Aerospace etc.
Market Europe, North America, Oceania
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, mold processing, extrusion
Mould type processing mold, injection mold, extrusionmold
Machines 350T vacuum pressing machine and other pressing machine at 300T,250T and so on
Tooling equipment Rubber tension tester, Rubber vulcanization instrument, Durometer, calipers, ageing oven
Cavity 1~400 cavities
Mould Life 300,000~1,00,000 times
 
Production Production capacity finish each mold of product in 3 minutes and working on 3 shifts within 24 hours
Mold lead time 15~35 days
Sample lead time 3~5 days
Production time usually 15~30 days, should be confirmed before order
Loading port Hangzhou, Shanghai, Ningbo or as required

Designing Injection Molded Parts

Injection molded parts are designed to work together to form a whole. While the small plastic toys like Legos aren’t typically fabricated for assembly, these products still require precision measurements. For this reason, the designs of injection molded parts should be perfected for manufacturing. The designs should also minimize error potential.

Design considerations for injection molded parts

Injection molded parttWhen designing injection molded parts, it’s essential to consider the wall thickness of the part. Ideally, the wall thickness is uniform across the entire part. This allows the entire mold cavity to fill without restriction, and reduces the risk of defects. Parts that don’t have uniform wall thickness will have high stresses at the boundary between two sections, increasing the risk of cracks, warping, and twisting. To avoid such stresses, designers can consider tapering or rounding the edges of the part to eliminate stress concentration.
The wall thickness of the injection molded part is important because it affects many key characteristics. Therefore, it is critical to take proper care in choosing the wall thickness to avoid costly delays caused by mold problems or mold modification. The nominal wall thickness should be determined based on the function and stress requirements of the part. Similarly, the minimum wall thickness should be calculated based on acceptable stress. Too thin a wall can result in air traps and excessive plastic pressure.
Injection molded parts that have sharp corners are a common cause of defects. Sharp corners create stress concentrations, poor flow patterns, and increased injection mold wear. To minimize these problems, designers should keep inside corners and outside corners at half the wall thickness. This will help minimize stress and ensure the integrity of the part.
Another important design consideration for injection molded parts is the thickness of the ribs. They should be at least two-thirds of the outer wall. Thicker ribs may result in sink marks on the outer surface. Undercuts also complicate the mold design and increase the cost of the part.
Tolerance variation is also an important consideration. It depends on materials, process control, and tool design. Tolerance variation varies from molder to molder, and designers should discuss critical tolerance requirements with molders. If the part has to be manufactured to a particular tolerance, designers should consider options for mold revisions to minimize the tolerance variance. Additionally, designers may need to intentionally design extra clearance. To compensate for such variation, the molder may remove some steel or modify the design. In some cases, interference can be solved by welding.
Design considerations for injection molded parts should be discussed with material science professionals early in the design process. This is critical because changes to the mold design can be costly. Therefore, achieving the best possible result is critical. By following design guidelines, manufacturers can avoid common defects. A uniform wall thickness is also important because non-uniform thickness can lead to warping the part as it cools.
Another important factor for injection molded parts is the flowability of the material in the mold cavity. The resin should be able to flow easily around rounded corners. For example, a molded part with a curved undercut will not eject properly from the mold if there’s no space between the two sides. For this reason, designers should consider the flowability of the molded material before deciding on a design.

Adding a runner system to an injection molding machine

Injection molded parttThere are two main types of runner systems: hot runner systems and cold runner systems. In a hot runner system, a runner nozzle delivers the molten plastic into the mold cavity. A cold runner system does not require the use of a nozzle and acts as a conduit for the molten plastic.
The design of a hot runner mold should balance the activity of plastic solution and mold cavities. Ideally, a mold with two cavities is better balanced than one with three. However, it is important to remember that a three-cavity mold requires a manifold balance of human activities.
Plastic mold runner systems are crucial for ensuring consistent fill rates and pressure. Whether you are producing single or multiple-cavity plastic parts, a runner system will keep your processes consistent. When choosing a runner system, make sure you have the right one for your application.
Hot runner systems can reduce cycle times by as much as 10 to 30 percent. They help improve quality control and minimize material waste by keeping the plastic molten throughout the molding process. Moreover, they help save on plastic raw materials and energy. These features make them ideal for large production lines.
A hot runner system can also help prevent overfilling a cavity. Make sure that the volume of the hot runner is equal to the volume of the mold cavity. Otherwise, the plastic solution will be trapped inside the hot runner for too long and decompose.
Hot runner systems come in many varieties. One type of hot runner system is called the sprue hot runner system. This system uses a mechanical valve to open and close a nozzle. This type of hot runner is more effective and efficient than a general-purpose hot runner. However, it is also more expensive.
In a three-plate mold, the runner system is positioned between the core and cavity plates. When the mold is opened, the runner system automatically separates from the molded part. This eliminates the need for manual labor, but increases the cost of tooling.
The runner system is important for producing parts that are both thin and thick. The runner should be narrow but large so as not to create voids and improve the overall performance of the final product. Runner systems are also important for reducing the amount of energy needed to form and regrind the material.
A hot runner system is one way to improve the speed and accuracy of plastic molding. It helps avoid problems with waste by reducing the amount of plastic wasted. Furthermore, a hot runner system also prevents expensive repairs. By adding a runner system to an injection molding system, you will ensure better quality and precision, and avoid unnecessary downtime and costly repairs.
Hot runner systems are ideal for high-volume productions. However, they require a higher level of maintenance. In addition, hot runner systems are difficult to clean and often leave waste material. Hidden runners may also be inconvenient to remove, especially when changing materials or colors. They can also lead to sticking issues if they are made from thermally sensitive materials.

Using a thermally isolated cold injection unit

Injection molded parttThermostatic control of temperature in an injection molding process can make a significant impact on part quality. High mold temperatures should be regulated by using a temperature-controlled cooling unit. These devices are equipped with pumping systems and internal heaters. The temperature of the injected plastic determines the plastic’s flow characteristics and shrinkage. Temperature also influences the surface finish, dimensional stability, and physical properties of the finished product.
A thermally isolated cold injection unit allows mold operators to mold parts at lower temperatures than a conventional injection molding machine. The injection mold itself is composed of two steel halves. The two halves are connected by a mechanical hinge. During injection molding, a small amount of plastic is forced into the mold cavity. The injected plastic is then allowed to cool into a solid state. The molded part then falls out of the mold halves. The injected part then enters a bin to be collected.
The heat/cool injection molding process can improve the aesthetics of molded parts significantly. The effects of this technique are particularly apparent with amorphous resins, which do not form a skin during the injection phase. The molded parts have a higher gloss than with conventional molding techniques.
This process requires less clamping force than conventional injection molding and offers more design freedom. It also increases process capacity and materials savings. The process control for this process is more complex, with variables such as the amount of melt injection, water pressure, and water injection delay time.
The angle of repose is another criterion. A low angle indicates that the pellets are free-flowing, while an angle above 45deg indicates that the pellets are not free-flowing. This is important when processing nylon resins.
Plastic injection molding has made huge advances in recent decades. Today, most injection molds fall into one of two types: hot runner and cold runner. Each has its advantages and disadvantages. Understanding how they differ will help you decide which method is right for you.
Injection molding is a highly effective manufacturing process that gives manufacturers a competitive edge over their competition. Using this process produces high-quality plastic and metal parts with minimal waste and a low cycle time. The process is also extremely accurate and produces products with the perfect blend of flexibility and strength.
China Different Color Cutomized Plastic/Rubber Molded Part for Auto, Equipment     roto mold vs injection moldChina Different Color Cutomized Plastic/Rubber Molded Part for Auto, Equipment     roto mold vs injection mold
editor by czh 2023-01-15