China Professional Custom Inject Molding Plastic Engineering Part Plastic Parts Customized Injection Molded Parts with Hot selling

Product Description

01. Product Description

 

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, ZheJiang , HangZhou or as required

02. Company Profile

HangZhou Brother Rubber company was established in 1996 year, Located in HangZhou,China. We are an OEM/ODM professional manufacturer focused on solutions of rubber and plastic products. It 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 main customers come from Europe,America and Oceanica, Example: UK, USA, Spain, Denmark,Germany, Australia, Finland .

Our strengths are our ability to respond quickly and efficiently to customer needs, excellent quality standards, and top notch follow-up service. Our strong engineering team supports our ability to provide excellent quality and on-time delivery. Our reputation is based on good credit, quality and service which is highly appreciated by customers in European and North American market. With mature and stable management team, advanced equipment and leading technology, experienced marketing team, a good reputation among our customers, the Group is making every effort to create the new brand of rubber, plastic products, metal products, mold processing in the world.

“leadship through quality and service, To create value for customers is creating a future for ourselves” as our motto. Welcome overseas friends to visit our company. Looking forward to your support more!

Office:
Our sale office is located in HangZhou city downtown, ZheJiang Province, China. It is in 2~3 hours drive distance to both our factory and airport or sea port in 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.

We make these parts according to the drawings or samples from customers with various shape,dimension and color , Example rubber rings, bellows, seals,hose,plug,bumper and so on, The main rubber raw material is EPDM,NR,SBR,Nitrile, Silicone, Fluorosilicone, Viton(FKM), Neoprene, Urethane(PU), Polyacrylate(ACM), Ethylene Acrylic(AEM), HNBR, Butyl(IIR) with 30~90 Shore A hardness. The main plastic raw material is PP, PA, PE, POM, PC, PVC, PS, PVC, TPE, TPR, TPU ,Santoprene. Especially we have advantage in rubber seals and auto rubber parts, We have produced many parts for some automotive enterprise like,Rover,BMW, GM, Ford, Honda.

Profound experience:
Our engineers and QC experts are engaged in rubber plastic industry over 23 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.

 

How to Replace a Bearing

If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.

Z axis

When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with 2 M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the 2 parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.

Angular contact

bearing
Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in 1 direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to 5 times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.

Ball bearings

bearing
Ball bearings are circular structures with 2 separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right 1 for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between 1 and 5 million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least 1 million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.

Sliding-contact bearings

bearing
The basic principle behind sliding-contact bearings is that 2 surfaces move in contact with 1 another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, 1 element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their 2 surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in 2 different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the 2 elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.

China Professional Custom Inject Molding Plastic Engineering Part Plastic Parts Customized Injection Molded Parts     with Hot sellingChina Professional Custom Inject Molding Plastic Engineering Part Plastic Parts Customized Injection Molded Parts     with Hot selling