China manufacturer Heat Resistant Square Section Gasket Sealing Rubber Washer Products automotive injection molded parts

Product Description

Product Description

Heat resistant Square Section Gasket Sealing Rubber washer products 

Our factory specializes in making rubber molded gasket and ring seals to meet different requirements. Most of our rubber parts are customized according to the drawings or samples or descriptions. With complete advanced production equipment and test equipment, we can make perfect seals and gaskets, widely used in various felids as Machine, Automotive, Oilfield, Ship, Medicine, Electronics, Chemicals, Antistatic, Flame Retardant, Food and Other Industries etc.

Rubber diaphragms are flexible barriers or seals that prevent the interchange of gases (including air), liquids or solutions between 2 mediums.
Rolling rubber diaphragms are special diaphragms shaped like top hats which provide the properties both of bellows and diaphragms. 
The rolling diaphragms have deep folding parts, which allow smooth rolling action. 
A long stroke is possible, and the effective pressure receiving area will be maintained the same throughout the operation.

 

Product Name

High Temperature Silicone Rubber Seals Molded Customized Fabric Reinforced Diaphragm Products 

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)
Propeties High temperature, low temperature, high pressure, low pressure,friction resistance
Sizes Standard and customize
Surface Treatment Texture (VDI/MT standard, or made to client’s sample), polished (high polish, mirror polish), smooth, painting, powder coating, printing, electroplating etc.
Medium Hydraulic oil,  anti-fire fluid, water, gas etc
Application excavators, loaders, graders, dump trucks, forklifts, bulldozers, scrapers, mining trucks, cranes, aerial vehicles, garbage transfer vehicle, sliding cars, agricultural machinery, logging equipment, etc.
Function Seal for Automotive, Machine, Valve, Electrical Appliances, etc.
Material NR, NBR, HNBR, EPDM, Silicone, ACM, AEM, FKM, FVMQ, etc.  Reinforced Fabric Inserted
Color Black (recommended), but other color available
Hardness 20~90 Shore A
Certificates RoHS, REACH, SGS, ISO9001
Size DN max = 2000mm, all other smaller sizes will per customer demands
Properties  
(Optional and Multiple)
Oil Resistance, Chemical Resistance, Steam Resistance, Aging Resistance, Heat Resistance, Cold Resistance, Fire Resistance, Environment Protective, Strong Resilience, Abrasion Resistance, etc.
   

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
 

  

Material Selection

 Different Materials of Rubber Seals and Gaskets have different property and are used in different situation

Raw Materail Hardness Color Temperature Advantage Use
Nitrile Rubber
(Buna-N/NBR)
40 to 90 ShA Black, White,
Blue, Green,
Yellow etc
-30 to 120ºC Excellent Oil and Water Resistance,
Cheaper
Oil and Water Situation
Hydrogenate Nitrile
HNBR
40 to 90 ShA Black -50 to 150ºC Excellent Oil and Water Resistance,
Cold Resustance
Cold Resistance Situation
Silicone Rubber
VMQ
30 to 90 ShA Black, Clear,
White, Red,
Yellow, Blue
-60 to 220ºC Good Heat&Cold Resistance,  Lubrication Oil Resistance,
Water Resistance.
Food&Medicine Situation
Ethylene Propylene Rubber
EPDM
40 to 90 ShA Black, Grey -50 to 150ºC Excellent Ozone7Aging Resistance,
Heat&Cold Resistance,
Steam Resistance
Ozone,Water-Proof Situation
Fluorine Rubber
FKM, FPM, Viton
50 to 90 ShA Black, Grown
Green
-20 to 250ºC Excellent Oil, Heat,
Acid&Alkali Resistance
Oil Resistance&Chemical
Situation
Neoprene Rubber
CR
60 to 90 ShA Black -40 to 120ºC Excellent Mechanical Strength$
 Fatigue resistance
 
Fluorinated Silicone Rubber
FLS
60 to 90 ShA Black -50 to 200ºC Excellent Heat&Cold Resistance,
Oil&Chemical Resistance
All Situation

Rubber washers are highly versatile and flexible components that are suitable for sealing and damping applications. These spacing devices are also used to cushion fastening components while serving as a reliable material buffer. They protect against moisture, prevent loss of tension and security due to vibration, and provide a range of other benefits. 

The Advantages and Property
1. Super Sealing and Anti Vibration function
2. Good Quality of Rubber Materials with High Elasticity, Insolation, Waterproof and Excellent Wear Resistant, Aging Resistant, High/Low Temperature, Anti-Corrosion and Dust Proof etc.
3.  Environment Protection and Non Toxic.
Certificates of SGS, CE, RoSH, REACH and TS16949
4. Factory with safety and stability.
5. OEM and ODM are welcome
6. Rubber Materials are certificated by official authority with famous brands.
7. Fast Delivery. Have stock or make fast

 

 

Company Profile

We ZheJiang CZPT offer all kinds of rubber molded parts in both small and large quantities. Like o-rings, rubber grommets, rubber bellows,rubber bumper, rubber plugs, gasket, etc. for usage in various industries. We not only supply the parts with standard specifications, but also produce the molded parts as per our customers’ drawings and samples.We have the trade department,engineer department, production department and after-sales service department.

There are more than 60 QC staff to control the quality.Every product will be 100% checked before shipping.If the order goods have problem, we will solve it within 24 hours, and we will replace the product for you without any cost.

After Sales Service

High Temperature Silicone Rubber Seals Molded Customized Fabric Reinforced Diaphragm Products

 

If you want custom service,please kindly send us the detail information(material,finish,size,etc).It would be better if you can send us CAD/3D drawing or picture for our understanding Or you can send us samples,we will manufacture the products total according to your samples.

Q1: Are you a factory ?
A: We have a factory set up more than 20 years,we accept OEM/ODM orders .

Q2: When can I get the quotation?
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us
in your email so that we will reply your inquiry with priority.

Q3:How to Custom-made (OEM/ODM)
A:If you have a new product drawing or a sample, please send to us, and we can custom-made the hardware your required. We will
also provide our professional advice of the products to make the design to be morealized & maximize the performance.

Q4: how do you get sample?
A: we have stock for sample test, but customers are supposed to pay for sample and courier cost. After order confirmation, sample cost will be minused from order amount.

Material: Acm/PTFE/NBR/FKM/EPDM/Fluorine Silicone Rubber
Application: Automobile Industry, Medical, Chemical, Water
Type: Rubber Round O Ring
Performance: Sealing
Shape: Round or Customized
Standard: Standard, Nonstandard, ODM
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

Injection molded partt

Designing Injection Molded Parts

Designing injection molded parts involves careful consideration of various parameters, including the wall thickness and draft angle. These factors are essential for a strong, durable part. Improper wall thickness can lead to sinking and warping defects. To avoid these issues, ensure that the walls of your injection-molded parts have a uniform thickness that does not vary too much from the rest of the part.

Designing out sharp corners in injection molded parts

When designing an injection molded part, it’s important to consider the corner radius. Sharp corners will create more stress, and this will lead to weak spots and cracks. Creating a radius around the corner helps distribute stress evenly and allows easier material flow and part ejection. Additionally, sharp corners in a mold can collect contaminants and create defects, including surface delamination.
Sharp corners in injection molded parts are a common source of stress and can cause the part to become damaged during the manufacturing process. In addition to trapping air, sharp corners may also lead to localized high temperatures that degrade the part. To reduce these risks, consider adding radii to all sharp corners.
Another important design factor to consider is wall thickness. Parts that have a smooth transition between sections should be designed with a minimum of five millimeters of wall thickness. Anything thicker will increase production cycle time and may also negatively impact mechanical properties. The use of fillets and chamfers can also help avoid these problems.
Designing out sharp corners in injection molded components can prevent costly problems from occurring during the manufacturing process. While the process is simple and straightforward, it needs to be done correctly to ensure quality. By following best practices, designers can ensure their parts won’t develop any problems or sink, warp, or voids. A poor design can also cause damage to the mold, which can cost thousands of dollars and hundreds of hours to redesign.
When designing injection molded parts, designers should consider the following guidelines. Incorporate internal and external radiuses. The internal radius (also called a fillet radius) is designed into the mold for improved quality and strength during the molding process. This radius is typically located on the inside corners or the bottom of a compartment. It can also be used for connecting walls and ribs. An external radius, on the other hand, is known as a round radius.
A right-angled part with sharp corners has a tendency to be loaded by pushing the vertical wall to the left. This creates a high-level of molded-in stress in the part. The resulting part may be weaker than expected because of the increased stress on the corner.

Importance of uniform wall thickness

Uniform wall thickness is a critical factor when designing injection-molded parts. This ensures that molten polymers can flow efficiently throughout the part. Additionally, it facilitates ideal processing. Varying wall thickness can cause problems during molding, such as air trapping, unbalanced filling, and weld lines. To ensure that your injection-molded parts are uniform, consult a plastic injection molding company that specializes in uniform wall thickness.
Injection-molded parts are more durable when the walls are uniform. A thin wall reduces the volume of material used in the part. However, thin walls can break during ejection. In addition, thin walls increase the possibility of voids. To prevent such problems, use larger machines that can produce parts with uniform wall thickness. This way, parts are easier to handle and ship.
Another important factor is the presence of gussets. These are support structures that stick out from a part’s surface. Gussets are useful for preventing warping, because they provide rigidity to thin unsupported sections. For this reason, gussets are essential when designing an injection-molded part.
Uniform wall thickness is especially critical in parts that have bends or rims. A uniform thickness helps maintain the mechanical strength and appearance of a part. However, this can be tricky as you may need to balance optical properties with mechanical ones. At Providence, we have the experience to help you navigate these challenges and produce quality parts.
Proper wall thickness is important for many reasons. It can affect both cost and production speed. The minimum wall thickness for injection molded parts depends on the part size, structural requirements, and flow behavior of the resin. Typically, injection molded parts have walls that are 2mm to 4mm thick. However, thin wall injection molding produces parts with walls as thin as 0.5mm. If you’re having trouble choosing the right wall thickness, consult an experienced injection molding company that can help you determine the appropriate wall thickness for your part.
Uneven wall thickness causes problems during injection molding. The uneven wall thickness may make the material flow through the part too quickly, or it may cause it to cool too slowly. This can lead to warping, twisting, or cracks. Even worse, uneven wall thickness can cause parts to become permanently damaged when they are ejected from the mold.

Importance of draft angle

Injection molded parttDraft angles are an important part of design for injection molded parts. These angles are necessary because friction occurs on surfaces that come into contact with the mold during the molding process. A part with a simple geometry would only require a single degree of draft, but larger parts would need at least two degrees.
Almost all parts requiring injection molding will require some amount of draft. The better the draft, the less likely the parts will have a poor finish and may bend or break. Furthermore, parts with inadequate draft will take longer to cool, extending cycle times. Moreover, if the parts are too thick or have too little draft, they may become warped.
Having a draft angle in injection molding is very important, especially if the mold has sharp corners. Without it, parts will come out scratched and will shorten the life of the mold. In some cases, parts may even not be able to eject from the mold at all. To prevent this, air needs to be allowed to get between the plastic and metal. This allows air to escape and prevents warping during ejection.
The importance of draft angle is often overlooked in the design process. Adding this angle to the mold can help prevent problems with mold release and reduce production costs. A draft angle will also allow parts to release from the mold more easily and will lead to better cosmetic finishes and fewer rejected parts. Additionally, it will reduce the need for costly elaborate ejection setups.
Draft angle should be added to the design as early as possible. It’s crucial for the success of the injection molding process, so it is best to incorporate it early in the design process. Even 3D printed parts can benefit from this detail. The size of the draft angle is also important, especially for core surfaces.
A draft angle can be large or small. The larger the draft angle, the easier it is to release the mold after the mold is completed. However, if the draft angle is too small, it can lead to scrapes on the edges or large ejector pin marks. Draft angles that are too small can lead to cracks and increase mold expenses.

Cost

Injection molded parttThere are many factors that contribute to the cost of injection-molded parts, including the material used for the mold and the complexity of the design. For example, larger parts will require a larger injection mold, which will cost more to manufacture. Additionally, more complex parts may require a mold with special features. Mold makers can advise you on how to design your part in order to reduce the overall cost of an injection-molded part.
One of the biggest costs related to the production of injection molded parts is the cost of the tooling. Tooling costs can reach $1,000 or more, depending on the design, materials, and finishing options. Tooling costs are less if the part quantity is small and repeatable. Higher part volumes may require a new mold and tooling.
Injection-molded parts’ cost depends on the material used and the price of procuring the material. The type of material also influences how long the part will last. Plastics that contain high percentages of glass fibers are abrasive and can damage an injection mold. Therefore, they are more expensive but may not be necessary for certain applications. Additionally, the material’s thermal properties may also affect the cycle time.
Mold size is another factor that impacts the cost. Larger molds require more CNC machinery and building space than smaller molds. Additionally, the complexity of the part will also impact the cost. Injection molds with sharp corners and complex ribs will cost more than small injection molds without intricate designs.
Injection molding is a complex process that requires a variety of moving parts. During the process, a critical piece of equipment is the injection die. This machine is a large part of the process, and comes in different sizes and shapes. Its purpose is to accept the hot plastic and machine it to extremely precise tolerances.
If your project requires a complex product with a high degree of complexity, injection molding is an excellent choice. It is ideal for initial product development, crowdfunding campaigns, and on-demand production. Mold modifications can also lower the cost of injection molding.
China manufacturer Heat Resistant Square Section Gasket Sealing Rubber Washer Products   automotive injection molded partsChina manufacturer Heat Resistant Square Section Gasket Sealing Rubber Washer Products   automotive injection molded parts
editor by CX 2023-11-21