Product Description
Product Description
MT YOX MH HRC GR GS NM NL GR42 T PU Polyurethane Rubber Coupling spider elastic gasket ring
Polyurethane or called PU, Urethane is 1 of the strongest, toughest and most durable materials for making custom urethane parts and custom urethane products.
Our company can produce and supply cast polyurethane elastomer, which has excellent chemical characters: oil resistant, CHINAMFG resistant, aging resistant, corrosion resistant, hydrolysis resistant, heat and cold resistant, etc. Also polyurethane has excellent physical characters: high tear resistant, high impact resistant, high elasticity, high load-bearing resistant, etc. Compared to rubber, plastic and other material, polyurethane offers perfect mechanical properties.
With our in-house mold making capabilities, and 3D printer, we’re able to easily manufacture precise shapes cost-effectively.
Polyurethane products mainly include: Polyurethane block of coal plates, polyurethane scraper, etc., to meet different customer needs, special orders can be made as drawing and sample.
Custom Polyurethane PU Part as per your design.
1. Material: PU Polyurethane or rubber
2. Size: According to your drawing or sample.
3. Color: Black, white, Transparent, gray, green, yellow, blue, red and so on.
Hand Cast Mold Polyurethane Parts PU Coupling Cushion, PU spider, PU coupling:
1. Most of the plastic corrosion resistance is strong, does not react with acid, alkali.
2. Plastic manufacturing cost is low.
3. Durable, waterproof, light.
4. Easy to be with molding into different shapes.
5. Is a good insulator.
6. Plastic can be used for the preparation of fuel oil and fuel gas, so that we can reduce oil consumption
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Product Name |
Hand Cast Mold Polyurethane Parts PU Coupling Cushion, PU spider, PU coupling |
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Material |
PU, ABS, PC, PP, PS, POM, PMMA, PBT, PVC, PA6, PA66, PA66+30% GF, PTFE, PC+ABS, TPE, etc |
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Surface Finish |
Color painting,Texture, Silk-printing, Vacuum coating, rubber coating, etc. |
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Cavity Variety: |
One-stop solution,Multi-cavity mold,Family plastic mold,Hot runner plastic mold |
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Quality Control |
ISO/TS16949:2002 and ISO14001:2004 system |
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Business Scope |
Mold and parts designing and making,Parts machining,Injection molding, CNC prototype manufacturing |
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Mold Processing |
CNC EDM machine processing then assembly and trial |
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Color |
Red, blue, green, yellow,all pantone colors and RAL colors |
Besides plum CHINAMFG pad, or called GR mat, polyurethane sprockets, coupling cushion gasket, etc, we also can customize various PU products according to your drawing. Some cases are below:
Product Parameters
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Feature: |
1.Abrasion resistant, High rebound, High load capacity |
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Advantage: |
Wear resistance,Tensile strength, Anti-static, High load capacity , Temperature resistant ,Mechanical formulation ,Oil resistance |
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Application: |
– Machine parts |
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Company Profile
HangZhou CITY SANSHI RUBBER CO.,LTD.
Was founded in 1980,we are located in HangZhou HangZhou city, ZheJiang province of China,
covers 9000 square meters,with more than hundred workemates and 30 sets of machinery equipment.
Rubber Oil seal are our major products also with customerized rubber parts , Rubber gaskets, Rubber damping blocks,Rubber sealing strip, Rubber sealing band,Polyurethane parts,Plastic Products, Bakelite Products , ring, Hardware stamping parts.
Our advantages
1. Various material.
2. We are direct factory, so small order quantity is acceptable and lots of samples are free.
3. There are about 8000 sets of moulds are free.
4. Our factory locates in the north of China, the cheaper labor cost brings us lower production cost.
5. With more than 30-year experience, we could supply you suitable solutions.
FAQ
Q1: Are you trading company or manufacturer?
We are a manufacturer specializing in rubber & plastic products.
Q2: Can I have a sample order for the product?
Yes, we welcome sample order to test and check quality.
Q3: Do you provide OEM/ODM service?
Yes, OEM/ODM are welcome.
Q4: I want to know more information, what should I do?
Welcome talk with us online or leave a message. Besides, you can also contact us by Email.
We will reply to you within 24 hours on weekdays.
Q5: What about the lead time?
Sample needs 5-7 days, mass production time is subject to your quantity. 15-20 days to deliver 1×20″ container of roof flashing for
instance.
Q6: Is it OK to print my logo on the product?
Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
material: Polyurethane,
color: white, black, yellew, orange
feature: wearable, high qualtiy and best price
T type plum 6 corner pump pad
Performance and application:
This product is suitable for the pump and the drive mechanism to connect the elastic buffer.
Use temperature: 0C ~+80 0C -40
Product hardness: 5.75A + 5 +
Gauge: T200 – T40
Cars, tractors gearbox seal with nitrile rubber, its poor performance. Instead polyurethane elastomer seals, has good flexibility, water resistance, elasticity, abrasion resistance, low temperature resistance and mechanical strength.
custom-made is welcome, and the mold charge is for free.
| Material available | NBR, HNBR(H), HNBR(X), EPDM, NR,SBR, ACM,CFR,VMQ, CR,FKM(V), FFKM(K), PU, ECO,AFLAC |
| Mold | We can make mold by ourselves with competitive price, And if the quantity is up to 1000 pcs, the mold is for free. And more, for various oil seal, we have more than 10,000 molds in stock. |
| Size range | From 10mm to 2000mm Diameter |
| Weight range of products | 5g to 20kg |
| Colors available | Red, orange, yellow, green, blue, gray, purple, brown, milk color |
| processing equipment | Rubber molding machines, rubber injection machines, extruding machines. |
More about our company :
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| After-sales Service: | Available |
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| Warranty: | Available |
| Condition: | New |
| Certification: | ISO9001 |
| Standard: | ASTM |
| Customized: | Customized |
| Samples: |
US$ 0.2/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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How do flexible couplings compare to other types of couplings in terms of performance?
Flexible couplings offer distinct advantages and disadvantages compared to other types of couplings, making them suitable for specific applications. Here is a comparison of flexible couplings with other commonly used coupling types in terms of performance:
- Rigid Couplings:
Rigid couplings are simple in design and provide a solid connection between two shafts, allowing for precise torque transmission. They do not offer any flexibility and are unable to compensate for misalignment. As a result, rigid couplings require accurate shaft alignment during installation, and any misalignment can lead to premature wear and increased stress on connected equipment. Rigid couplings are best suited for applications where shaft alignment is precise, and misalignment is minimal, such as in well-aligned systems with short shaft spans.
- Flexible Couplings:
Flexible couplings, as discussed previously, excel at compensating for misalignment between shafts. They offer angular, parallel, and axial misalignment compensation, reducing stress on connected components and ensuring smooth power transmission. Flexible couplings are versatile and can handle various applications, from light-duty to heavy-duty, where misalignment, vibration damping, or shock absorption is a concern. They provide a cost-effective solution for many industrial, automotive, and machinery applications.
- Oldham Couplings:
Oldham couplings are effective at compensating for angular misalignment while maintaining constant velocity transmission. They offer low backlash and electrical isolation between shafts, making them suitable for precision motion control and applications where electrical interference must be minimized. However, Oldham couplings have limited capacity to handle parallel or axial misalignment, and they may not be suitable for applications with high torque requirements.
- Gear Couplings:
Gear couplings are robust and can handle high torque levels, making them suitable for heavy-duty applications such as mining and steel mills. They offer good misalignment compensation and have a compact design. However, gear couplings are relatively more expensive and complex than some other coupling types, and they may generate more noise during operation.
- Disc Couplings:
Disc couplings provide excellent misalignment compensation, including angular, parallel, and axial misalignment. They have high torsional stiffness, making them ideal for applications where accurate torque transmission is critical. Disc couplings offer low inertia and are suitable for high-speed applications. However, they may be more sensitive to shaft misalignment during installation, requiring precise alignment for optimal performance.
- Conclusion:
The choice of coupling type depends on the specific requirements of the application. Flexible couplings excel in compensating for misalignment and vibration damping, making them versatile and cost-effective solutions for many applications. However, in situations where high torque, precision, or specific electrical isolation is necessary, other coupling types such as gear couplings, disc couplings, or Oldham couplings may be more suitable. Proper selection, installation, and maintenance of the coupling are essential to ensure optimal performance and reliability in any mechanical system.
Can flexible couplings be used in corrosive or harsh environments?
Yes, flexible couplings can be designed and selected to be used in corrosive or harsh environments. The choice of materials and coatings plays a crucial role in ensuring the coupling’s durability and performance under challenging conditions.
Corrosion-Resistant Materials:
In corrosive environments, it is essential to use materials that can withstand chemical attacks and oxidation. Stainless steel, specifically grades like 316 or 17-4 PH, is commonly chosen for flexible couplings in such situations. Stainless steel offers excellent corrosion resistance, making it suitable for applications where the coupling may come into contact with corrosive substances or moisture.
Special Coatings:
For certain harsh environments, coupling manufacturers may apply special coatings to enhance the coupling’s corrosion resistance. Examples of coatings include zinc plating, nickel plating, or epoxy coatings. These coatings provide an additional layer of protection against corrosive agents and help extend the coupling’s lifespan.
Sealed Designs:
In environments where the coupling is exposed to contaminants like dust, dirt, or moisture, sealed designs are preferred. Sealed flexible couplings prevent these substances from entering the coupling’s internal components, thus reducing the risk of corrosion and wear. The sealed design also helps to maintain the coupling’s performance over time in challenging conditions.
High-Temperature Applications:
For harsh environments with high temperatures, flexible couplings made from high-temperature resistant materials, such as certain heat-resistant stainless steels or superalloys, can be used. These materials retain their mechanical properties and corrosion resistance even at elevated temperatures.
Chemical Resistance:
For applications where the coupling might encounter chemicals or solvents, it is essential to select a coupling material that is chemically resistant. This prevents degradation and ensures the coupling’s integrity in such environments.
Specialized Designs:
In some cases, where the environment is exceptionally harsh or unique, custom-designed flexible couplings may be necessary. Engineering a coupling to meet the specific demands of the environment ensures optimal performance and reliability.
Consultation with Manufacturers:
When considering flexible couplings for corrosive or harsh environments, it is advisable to consult with coupling manufacturers or engineering experts. They can provide valuable insights and recommend suitable materials, coatings, and designs based on the specific operating conditions.
Summary:
Flexible couplings can indeed be used in corrosive or harsh environments, provided the appropriate materials, coatings, and designs are chosen. Stainless steel, sealed designs, and special coatings are some of the solutions that enhance the coupling’s corrosion resistance and performance. It is essential to consider the specific environment and application requirements when selecting a flexible coupling to ensure optimal functionality and durability in challenging conditions.
Can flexible couplings handle misalignment between shafts?
Yes, flexible couplings are specifically designed to handle misalignment between shafts in rotating machinery and mechanical systems. Misalignment can occur due to various factors, including installation errors, thermal expansion, manufacturing tolerances, or shaft deflection during operation.
Flexible couplings offer the ability to compensate for different types of misalignment, including:
- Angular Misalignment: When the shafts are not collinear and have an angular offset, flexible couplings can accommodate this misalignment by flexing or twisting, allowing the two shafts to remain connected while transmitting torque smoothly.
- Parallel Misalignment: Parallel misalignment occurs when the two shafts are not perfectly aligned along their axes. Flexible couplings can adjust to this misalignment, ensuring that the shafts remain connected and capable of transmitting power efficiently.
- Axial Misalignment: Axial misalignment, also known as end float or axial displacement, refers to the relative axial movement of the two shafts. Some flexible coupling designs can accommodate axial misalignment, allowing for slight axial movements without disengaging the coupling.
The ability of flexible couplings to handle misalignment is essential in preventing premature wear and failure of the connected equipment. By compensating for misalignment, flexible couplings reduce the stress on the shafts, bearings, and seals, extending the service life of these components and improving overall system reliability.
It is crucial to select the appropriate type of flexible coupling based on the specific misalignment requirements of the application. Different coupling designs offer varying degrees of misalignment compensation, and the choice depends on factors such as the magnitude and type of misalignment, the torque requirements, and the operating environment.
In summary, flexible couplings play a vital role in handling misalignment between shafts, ensuring efficient power transmission and protecting mechanical systems from the adverse effects of misalignment. Their ability to accommodate misalignment makes them indispensable components in various industrial, automotive, aerospace, and marine applications.
editor by CX 2024-05-07