China Custom Inject Molding Plastic Engineering Part Plastic Parts Customized Injection Molded Parts complex injection molded parts

Merchandise Description

01. Solution Description

 

Product Description
Goods Title Injection Plastic Parts 
Products group Injection Plastic Parts
Substance EPDM,NR,SBR,Nitrile, Silicone, Fluorosilicone, Neoprene, Urethane(PU), Polyacrylate(ACM), Ethylene Acrylic(AEM),  HNBR, Butyl(IIR), plastic like materials (TPE, PU, NBR, silicone, NBR+TPE etc)
Dimension All measurement and thickness accessible.
Form capable of all designs as for every drawing
Shade Organic,black, Pantone code or RAL code, or as per client’s samples or requirements
Hardness 10°~90° Shore D ,typically 20°~80° Shore D
Area ending Texture (VDI/MT standard, or produced to client’s sample), polished (higher polish, mirror polish), easy, painting, powder coating, printing, electroplating and many others.
Drawing 2d or 3D draiwng in any impression/picture structure is Ok
Free of charge sample Indeed
OEM/OEM Of course
Application Family, electronics, for vehicles like GM, Ford, Honda. Equipment, clinic, petrochemical, Aerospace etc.
Market place Europe, North The united states, Oceania
Top quality certification ISO 90001:2008, TS16949, Fda, Attain, ROHS, SGS
QC Every single order production will get far more than ten instances regular examine and 5 fives instances random examine by our expert QC. Or by 3rd celebration appointed by customer
 
Mildew Molding Procedure Injection molding, mildew processing, extrusion
Mould sort processing mildew, injection mould, extrusionmold
Equipment 350T vacuum urgent equipment and other urgent equipment at 300T,250T and so on
Tooling gear Rubber tension tester, Rubber vulcanization instrument, Durometer, calipers, ageing oven
Cavity one~400 cavities
Mould Existence three hundred,000~1,000,000 occasions
 
Production Creation ability finish each and every mildew of merchandise in 3 minutes and operating on 3 shifts inside of 24 several hours
Mould direct time 15~35 times
Sample lead time 3~5 times
Creation time generally 15~thirty days, need to be verified prior to order
Loading port HangZhou, ZheJiang , HangZhou or as needed

02. Firm Profile

HangZhou Brother Rubber organization was established in 1996 yr, Located in HangZhou,China. We are an OEM/ODM expert company centered on options of rubber and plastic products. It signifies substantial good quality and is backed up by our staff of good quality assurance specialists and our ISO 9001 and TS 16949 certifications. Its plant occupies in excess of 2500 square meters of land.

Our main customers come from Europe,The usa and Oceanica, Instance: United kingdom, United states of america, Spain, Denmark,Germany, Australia, Finland .

Our strengths are our capacity to answer quickly and proficiently to customer wants, superb good quality expectations, and top notch stick to-up provider. Our powerful engineering staff supports our potential to give exceptional quality and on-time shipping. Our popularity is based on good credit score, quality and provider which is highly appreciated by customers in European and North American market. With experienced and stable management staff, sophisticated products and foremost technology, experienced advertising and marketing staff, a very good status amid our consumers, the Team is generating every hard work to produce the new brand of rubber, plastic merchandise, metal products, mildew processing in the entire world.

“leadship via good quality and services, To produce value for clients is producing a potential for ourselves” as our motto. Welcome overseas pals to pay a visit to our firm. Seeking ahead to your assist a lot more!

Workplace:
Our sale office is located in HangZhou city downtown, ZheJiang Province, China. It is in 2~3 several hours travel length to both our manufacturing facility and airport or sea port in HangZhou. It is also convenient to fulfill customers from various international locations.

Products and resources:
Our company is engaged in manufacture Rubber and plastic parts. The major merchandise contain molded rubber parts, Extrusion silicone tube/strip, silicone sponge tube, Injection plastic elements, Extrusion plastic parts, Rubber sponge parts, PVC dipping.

We make these parts according to the drawings or samples from customers with a variety of form,dimension and coloration , Illustration rubber rings, bellows, seals,hose,plug,bumper and so on, The principal rubber uncooked substance is EPDM,NR,SBR,Nitrile, Silicone, Fluorosilicone, Viton(FKM), Neoprene, Urethane(PU), Polyacrylate(ACM), Ethylene Acrylic(AEM), HNBR, Butyl(IIR) with thirty~90 Shore A hardness. The main plastic uncooked content is PP, PA, PE, POM, Personal computer, PVC, PS, PVC, TPE, TPR, TPU ,Santoprene. Specially we have gain in rubber seals and car rubber components, We have developed numerous parts for some automotive enterprise like,Rover,BMW, GM, Ford, Honda.

Profound experience:
Our engineers and QC professionals are engaged in rubber plastic industry in excess of 23 many years. Our main management team has prosperous encounter and deep comprehension of rubber and plastic growth.

Production capacity:
Factory is working 24 hrs by 3 shifts each day, It takes only 3 minutes to complete 1 mildew of merchandise. (If 1 mildew has fifty cavities, then we can produce 50PCS of items within 3 minutes). Production equipment like 350T vacuum pressing device, 300T urgent device, 250T equipment and much more other individuals.

High quality management and take a look at:
It has more than ten instances of top quality check out for each and every purchase, beginning from uncooked content verify to package check out. Every single generation line has at least 2 QC personnel for random examine and typical examine. Test: manufactory screening device contains rubber rigidity tester, rubber vulcanization instrument, durometer, calipers, ageing oven for Density test, Elongation at break, Bonding strength, Pulling pressure test, twisting power take a look at, Rergarding other test like anti-high/lower temperature which will be examined by Third Get together Testing Heart as customer necessary.

Sale service:
Every single salesman should be in service soon after strictly trained with productions knowledge and buyer-service specifications. Be expert in exporting business method and English communication.

 

US $0.5-1.99
/ Piece
|
200 Pieces

(Min. Order)

###

Material: PVC
Application: Medical, Household, Electronics, Automotive, Agricultural
Certification: RoHS, ISO
Item Name: Injection Plastic Parts
Other Materials: Nr, EPDM, SBR, Cr, NBR, Silicon Rubber, Acm, FKM
MOQ: 200 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 10°~90° Shore D ,usually 20°~80° Shore D
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, Honda. Machinery, hospital, petrochemical, 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 300,000~1,000,000 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
US $0.5-1.99
/ Piece
|
200 Pieces

(Min. Order)

###

Material: PVC
Application: Medical, Household, Electronics, Automotive, Agricultural
Certification: RoHS, ISO
Item Name: Injection Plastic Parts
Other Materials: Nr, EPDM, SBR, Cr, NBR, Silicon Rubber, Acm, FKM
MOQ: 200 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 10°~90° Shore D ,usually 20°~80° Shore D
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, Honda. Machinery, hospital, petrochemical, 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 300,000~1,000,000 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 Custom Inject Molding Plastic Engineering Part Plastic Parts Customized Injection Molded Parts     complex injection molded partsChina Custom Inject Molding Plastic Engineering Part Plastic Parts Customized Injection Molded Parts     complex injection molded parts
editor by czh 2023-01-19