Description du produit
Description du produit
Wear Resistance PU GR GS HCR L MT NM T Type Jaw Rubber Star Coupling Spider Plum Cushion shaft Coupling
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.
Mechanical industrial use – roller, tape, seals
Applications in the automobile industry – tires, seals
Application in terms of light industry – PU sole material, polyurethane synthetic leather, polyurethane fiber;
Applications in respect of the construction industry – waterproof timber, paving materials, potting materials
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:
Paramètres du produit
|
Feature: |
1.Abrasion resistant, High rebound, High load capacity |
|||
|
Advantage: |
Wear resistance,Tensile strength, Anti-static, High load capacity , Temperature resistant ,Mechanical formulation ,Oil resistance |
|||
|
Application: |
– Machine parts |
|||
Profil de l'entreprise
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 :
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Service après-vente : | Disponible |
|---|---|
| Warranty: | Disponible |
| Condition: | New |
| Certification : | ISO9001 |
| Standard: | ASTM |
| Personnalisé : | Personnalisé |
| Samples: |
US$ 0.2/Piece
1 Piece(Min.Order) | |
|---|
| Personnalisation : |
Disponible
| Demande personnalisée |
|---|
Comment un accouplement flexible protège-t-il les équipements connectés des chocs et des vibrations ?
Les accouplements flexibles jouent un rôle crucial dans la protection des équipements connectés contre les chocs et les vibrations, grâce à leurs propriétés d'amortissement et d'isolation. Lorsqu'une machine ou un système mécanique subit un choc ou une vibration soudaine, l'accouplement flexible agit comme un tampon, absorbant et dissipant l'impact, réduisant ainsi les forces transmises et protégeant l'équipement. Voici comment fonctionnent les accouplements flexibles :
- Amortissement des vibrations : Les accouplements flexibles sont souvent fabriqués à partir de matériaux présentant des propriétés d'amortissement. Lors de la transmission de vibrations par les arbres, le matériau de l'accouplement flexible absorbe une partie de l'énergie vibratoire et la convertit en chaleur. Cette dissipation d'énergie contribue à réduire l'amplitude des vibrations et empêche leur propagation dans l'équipement connecté.
- Isolation des vibrations : Outre l'amortissement des vibrations, les accouplements flexibles offrent également une isolation vibratoire. Ils sont conçus pour découpler les deux arbres, ce qui signifie que les vibrations présentes sur un arbre ne sont pas directement transmises à l'autre. Cet effet d'isolation empêche la propagation des vibrations dans l'ensemble du système et minimise leur impact sur les équipements sensibles ou les composants situés à proximité.
- Absorption des chocs : Lorsque la machine connectée subit des chocs soudains, comme au démarrage ou lors de variations brusques de charge, l'accouplement flexible joue le rôle d'amortisseur. Sa conception lui permet de se déformer légèrement sous l'impact, absorbant et répartissant ainsi l'énergie du choc. Ceci empêche la transmission directe du choc à l'équipement connecté, réduisant les risques de dommages ou d'usure prématurée.
- Compensation du désalignement : Les accouplements flexibles permettent de compenser les défauts d'alignement entre les arbres. Ces défauts peuvent engendrer des contraintes et des vibrations supplémentaires dans le système. En tolérant un certain degré de défaut d'alignement angulaire, parallèle et axial, l'accouplement flexible réduit les forces transmises aux équipements connectés et aux structures porteuses.
- Réduction des effets de résonance : La résonance est un phénomène qui se produit lorsque la fréquence propre d'un système coïncide avec la fréquence des vibrations externes, ce qui amplifie ces dernières. Les accouplements flexibles permettent d'éviter les effets de résonance en modifiant la fréquence propre du système et en offrant une certaine flexibilité qui amortit la réponse résonante.
L'intégration d'un accouplement flexible dans la chaîne cinématique ou le système de transmission de puissance permet aux fabricants et aux exploitants d'équipements d'améliorer considérablement la fiabilité et la durée de vie des machines connectées. La capacité de l'accouplement à amortir les vibrations, à isoler les chocs et à compenser les défauts d'alignement contribue à un fonctionnement plus fluide et plus stable, réduisant ainsi les besoins de maintenance et optimisant les performances globales du système.
En résumé, les accouplements flexibles jouent un rôle de protection, préservant les équipements connectés des chocs et des vibrations. Leur capacité à amortir les vibrations, à isoler les chocs et à compenser les défauts d'alignement contribue à un fonctionnement plus fluide et plus fiable des systèmes mécaniques.
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.
Applications:
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.
Are there any limitations or disadvantages of using flexible couplings?
While flexible couplings offer numerous advantages, they do come with some limitations and disadvantages that should be considered when selecting them for specific applications. Here are some of the common limitations and disadvantages of using flexible couplings:
- Torsional Stiffness: Flexible couplings provide some level of torsional flexibility, which is advantageous in many applications. However, in systems that require high precision and minimal angular deflection, the inherent flexibility of the coupling may not be suitable. In such cases, a rigid coupling may be more appropriate.
- Limitation in High-Torque Applications: While some flexible couplings can handle moderate to high torque levels, they may not be as well-suited for extremely high-torque applications. In such cases, specialized couplings, such as gear couplings, may be required to handle the high torque demands.
- Temperature Limitations: The performance of certain flexible coupling materials, especially elastomers and plastics, may be affected by extreme temperature conditions. High temperatures can lead to premature wear and reduced lifespan of the coupling, while low temperatures may result in reduced flexibility and potential brittleness.
- Chemical Compatibility: Certain flexible coupling materials may not be compatible with certain chemicals or substances present in the application’s environment. Exposure to chemicals can cause degradation or corrosion of the coupling material, affecting its performance and lifespan.
- Installation and Alignment: Flexible couplings require proper installation and alignment to function effectively. If not installed correctly, misalignment issues may persist, leading to premature wear and reduced performance. Aligning the shafts accurately can be time-consuming and may require specialized equipment and expertise.
- Cost: In some cases, flexible couplings may be more expensive than rigid couplings due to their more complex design and use of specialized materials. However, the cost difference is often justified by the benefits they offer in terms of misalignment compensation and vibration damping.
- Service Life: The service life of a flexible coupling can vary depending on the application’s conditions and the quality of the coupling. Regular maintenance and timely replacement of worn or damaged parts are essential to ensure the coupling’s longevity and prevent unexpected failures.
Despite these limitations, flexible couplings remain highly valuable components in a wide range of applications, providing efficient torque transmission and compensating for misalignment. Proper selection, installation, and maintenance can help mitigate many of the disadvantages associated with flexible couplings, ensuring their reliable and long-lasting performance in various mechanical systems.
editor by CX 2024-02-07
