Mô tả sản phẩm
Mô tả sản phẩm
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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Tên sản phẩm |
Hand Cast Mold Polyurethane Parts PU Coupling Cushion, PU spider, PU coupling |
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Vật liệu |
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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Kiểm soát chất lượng |
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:
Thông số sản phẩm
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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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Ứng dụng: |
– Machine parts |
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Hồ sơ công ty
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.
Câu hỏi thường gặp
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: | Có sẵn |
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| Warranty: | Có sẵn |
| Condition: | New |
| Certification: | ISO9001 |
| Tiêu chuẩn: | ASTM |
| Customized: | Customized |
| Mẫu: |
US$ 0.2/Piece
1 chiếc (Số lượng tối thiểu) | |
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| Tùy chỉnh: |
Có sẵn
| Yêu cầu tùy chỉnh |
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How does a flexible coupling protect connected equipment from shock loads and vibrations?
Flexible couplings play a crucial role in protecting connected equipment from shock loads and vibrations by providing damping and isolation capabilities. When machines or mechanical systems experience sudden shock loads or vibrations, the flexible coupling acts as a buffer, absorbing and dissipating the impact, thereby reducing the transmitted forces and protecting the equipment. Here’s how flexible couplings achieve this:
- Damping of Vibrations: Flexible couplings are often made from materials that exhibit damping properties. When vibrations are transmitted through the shafts, the flexible coupling’s material can absorb a portion of the vibrational energy, converting it into heat. This dissipation of energy helps reduce the amplitude of the vibrations and prevents them from propagating further into the connected equipment.
- Vibration Isolation: In addition to damping vibrations, flexible couplings also offer a degree of vibration isolation. They are designed to decouple the two shafts, which means that vibrations occurring on one shaft are not directly transmitted to the other shaft. This isolation effect prevents vibrations from propagating across the entire system and minimizes the impact on sensitive equipment or nearby components.
- Shock Absorption: When the connected machinery experiences sudden shock loads, such as during a startup or abrupt changes in load, the flexible coupling can act as a shock absorber. The coupling’s design allows it to deform slightly under the impact, absorbing and distributing the shock energy. This prevents the shock from being directly transferred to the connected equipment, reducing the risk of damage or premature wear.
- Bù sai lệch: Flexible couplings are capable of compensating for misalignment between the shafts. Misalignment can lead to additional stresses and vibrations in the system. By allowing for some degree of angular, parallel, and axial misalignment, the flexible coupling reduces the forces transmitted to the connected equipment and the supporting structures.
- Reduction of Resonance Effects: Resonance is a phenomenon that occurs when the natural frequency of a system matches the frequency of external vibrations, leading to amplified vibrations. Flexible couplings can help avoid resonance effects by altering the system’s natural frequency and providing some level of flexibility that damps the resonance response.
By incorporating a flexible coupling into the drivetrain or power transmission system, equipment manufacturers and operators can significantly improve the reliability and longevity of connected machinery. The coupling’s ability to dampen vibrations, isolate shocks, and compensate for misalignment contributes to a smoother and more stable operation, reducing maintenance requirements and enhancing overall system performance.
In summary, flexible couplings act as protective elements, shielding connected equipment from shock loads and vibrations. Their ability to dampen vibrations, isolate shocks, and compensate for misalignment contributes to a smoother and more reliable operation of various mechanical systems.
Can flexible couplings be used for both motor-to-shaft and shaft-to-shaft connections?
Yes, flexible couplings can be used for both motor-to-shaft and shaft-to-shaft connections in various applications. The versatility of flexible couplings allows them to adapt to different types of connections and meet the specific requirements of the system.
Motor-to-Shaft Connections:
When connecting a motor to a shaft, a flexible coupling serves as an intermediary component that joins the motor shaft and the driven shaft. Flexible couplings are commonly used in motor-driven systems to accommodate misalignment between the motor and the driven load. In motor applications, flexible couplings help reduce stress and wear on the motor bearings, thus extending the motor’s life and enhancing overall system reliability. They also act as vibration dampeners, minimizing vibrations transmitted from the motor to the driven shaft, and subsequently to connected equipment, ensuring smoother operation.
Shaft-to-Shaft Connections:
In many mechanical systems, such as those in the manufacturing, automation, and power transmission industries, shaft-to-shaft connections are required. A flexible coupling can bridge the gap between two shafts and transmit torque while accommodating misalignment. This type of coupling is commonly used to connect shafts that are not perfectly aligned due to factors like manufacturing tolerances, thermal expansion, or foundation settling. By allowing for misalignment, the flexible coupling protects the connected components from excessive stresses and ensures efficient power transmission.
Versatility and Advantages:
The ability of flexible couplings to handle both motor-to-shaft and shaft-to-shaft connections makes them versatile solutions for a wide range of industrial applications. Some of the advantages of using flexible couplings in these connections include:
- Minimizing stress and wear on connected components, such as bearings and seals.
- Compensating for misalignment, ensuring smooth power transmission.
- Damping vibrations and shock loads, reducing the risk of mechanical failures.
- Protecting equipment from excessive forces, enhancing system reliability.
- Simplifying installation and alignment procedures, reducing downtime.
- Improving overall system performance and operational efficiency.
Ứng dụng:
Flexible couplings find applications in a wide range of industries, including manufacturing, material handling, automotive, aerospace, robotics, and more. Whether connecting a motor to a shaft or joining two shafts directly, flexible couplings play a crucial role in enhancing the reliability and efficiency of rotating machinery and mechanical systems.
In conclusion, flexible couplings can effectively serve as connectors for both motor-to-shaft and shaft-to-shaft connections, providing essential misalignment compensation and protection for connected equipment in various industrial applications.
Việc sử dụng khớp nối mềm có những hạn chế hoặc nhược điểm nào?
Mặc dù khớp nối mềm mang lại nhiều ưu điểm, nhưng chúng cũng có một số hạn chế và nhược điểm cần được xem xét khi lựa chọn chúng cho các ứng dụng cụ thể. Dưới đây là một số hạn chế và nhược điểm thường gặp khi sử dụng khớp nối mềm:
- Độ cứng xoắn: Các khớp nối mềm cung cấp một mức độ linh hoạt nhất định về xoắn, điều này có lợi trong nhiều ứng dụng. Tuy nhiên, trong các hệ thống yêu cầu độ chính xác cao và độ lệch góc tối thiểu, tính linh hoạt vốn có của khớp nối có thể không phù hợp. Trong những trường hợp như vậy, khớp nối cứng có thể phù hợp hơn.
- Hạn chế trong các ứng dụng mô-men xoắn cao: Mặc dù một số khớp nối mềm có thể chịu được mô-men xoắn từ trung bình đến cao, nhưng chúng có thể không phù hợp lắm cho các ứng dụng có mô-men xoắn cực cao. Trong những trường hợp như vậy, cần phải sử dụng các khớp nối chuyên dụng, chẳng hạn như khớp nối bánh răng, để đáp ứng nhu cầu mô-men xoắn cao.
- Giới hạn nhiệt độ: Hiệu suất của một số vật liệu khớp nối linh hoạt, đặc biệt là chất đàn hồi và chất dẻo, có thể bị ảnh hưởng bởi điều kiện nhiệt độ khắc nghiệt. Nhiệt độ cao có thể dẫn đến mài mòn sớm và giảm tuổi thọ của khớp nối, trong khi nhiệt độ thấp có thể dẫn đến giảm độ linh hoạt và khả năng giòn.
- Khả năng tương thích hóa học: Một số vật liệu khớp nối mềm có thể không tương thích với một số hóa chất hoặc chất có trong môi trường ứng dụng. Tiếp xúc với hóa chất có thể gây ra sự xuống cấp hoặc ăn mòn vật liệu khớp nối, ảnh hưởng đến hiệu suất và tuổi thọ của nó.
- Lắp đặt và căn chỉnh: Khớp nối mềm cần được lắp đặt và căn chỉnh đúng cách để hoạt động hiệu quả. Nếu không được lắp đặt chính xác, các vấn đề lệch trục có thể kéo dài, dẫn đến mài mòn sớm và giảm hiệu suất. Việc căn chỉnh trục chính xác có thể tốn thời gian và đòi hỏi thiết bị chuyên dụng và chuyên môn.
- Trị giá: Trong một số trường hợp, khớp nối mềm có thể đắt hơn khớp nối cứng do thiết kế phức tạp hơn và sử dụng các vật liệu chuyên dụng. Tuy nhiên, sự chênh lệch về chi phí thường được bù đắp bởi những lợi ích mà chúng mang lại về khả năng bù sai lệch và giảm rung động.
- Tuổi thọ sử dụng: Tuổi thọ của khớp nối mềm có thể thay đổi tùy thuộc vào điều kiện ứng dụng và chất lượng của khớp nối. Bảo trì thường xuyên và thay thế kịp thời các bộ phận bị mòn hoặc hư hỏng là điều cần thiết để đảm bảo tuổi thọ của khớp nối và ngăn ngừa các sự cố bất ngờ.
Mặc dù có những hạn chế này, khớp nối mềm vẫn là những bộ phận có giá trị cao trong nhiều ứng dụng, cung cấp khả năng truyền mô-men xoắn hiệu quả và bù trừ sai lệch. Việc lựa chọn, lắp đặt và bảo trì đúng cách có thể giúp giảm thiểu nhiều nhược điểm liên quan đến khớp nối mềm, đảm bảo hiệu suất đáng tin cậy và lâu dài của chúng trong các hệ thống cơ khí khác nhau.
editor by CX 2024-04-24
