Productbeschrijving
Productbeschrijving
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:
Product Parameters
|
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 |
|||
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.
Veelgestelde vragen
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 :
/* 22 januari 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Beschikbaar |
|---|---|
| Warranty: | Beschikbaar |
| Condition: | New |
| Certification: | ISO9001 |
| Standard: | ASTM |
| Customized: | Customized |
| Voorbeelden: |
US$ 0.2/Piece
1 stuk (minimale bestelling) | |
|---|
| Aanpassing: |
Beschikbaar
| Aanvraag op maat |
|---|


Are there any safety considerations when using flexible couplings in rotating machinery?
Yes, there are several safety considerations to keep in mind when using flexible couplings in rotating machinery. While flexible couplings offer numerous benefits in terms of misalignment compensation, vibration isolation, and shock absorption, improper use or maintenance can lead to safety hazards. Here are some important safety considerations:
- Proper Installation: Ensure that the flexible coupling is installed correctly and securely following the manufacturer’s guidelines. Improper installation can lead to coupling failure, unexpected disconnection, or ejection of coupling components, which may result in equipment damage or injury to personnel.
- Alignment: Proper shaft alignment is essential for the reliable and safe operation of flexible couplings. Misaligned shafts can cause excessive stress on the coupling and connected components, leading to premature wear and possible failure. Regularly check and maintain proper shaft alignment to prevent safety risks.
- Operating Conditions: Consider the environmental and operating conditions of the machinery when selecting a flexible coupling. Some couplings are designed for specific temperature ranges, hazardous environments, or corrosive atmospheres. Using a coupling that is not suitable for the operating conditions can compromise safety and performance.
- Torque and Speed Limits: Always operate the flexible coupling within its specified torque and speed limits. Exceeding these limits can cause coupling failure, leading to unexpected downtime, equipment damage, and potential safety hazards.
- Maintenance: Regularly inspect and maintain the flexible coupling to ensure its continued safe operation. Check for signs of wear, damage, or corrosion, and promptly replace any worn or damaged components with genuine parts from the manufacturer.
- Emergency Stop Mechanism: In applications where safety is critical, consider implementing an emergency stop mechanism to quickly halt machinery operation in case of coupling failure or other emergencies.
- Personal Protective Equipment (PPE): When working with rotating machinery or during maintenance tasks involving couplings, personnel should wear appropriate PPE, such as gloves, eye protection, and clothing that can resist entanglement hazards.
- Training and Awareness: Ensure that personnel working with the machinery understand the potential hazards associated with flexible couplings and receive proper training on safe handling, installation, and maintenance procedures.
By adhering to these safety considerations, operators and maintenance personnel can mitigate potential risks and ensure the safe and reliable operation of rotating machinery with flexible couplings. Additionally, it is essential to comply with relevant safety standards and regulations specific to the industry and application to ensure a safe working environment.

How does a flexible coupling impact the overall reliability of connected equipment?
A flexible coupling significantly impacts the overall reliability of connected equipment in several ways:
- Compensatie voor verkeerde uitlijning: Flexible couplings can accommodate both angular and parallel misalignment between connected shafts. By allowing for misalignment, the coupling reduces the stress and wear on bearings, seals, and other rotating components. This feature prevents premature failure of these components, contributing to improved reliability and extended equipment lifespan.
- Trillingsdemping: Flexible couplings possess inherent damping properties due to their elastomeric or flexible elements. These elements absorb and dissipate vibrations generated during the operation of machinery. By dampening vibrations, the coupling protects the connected equipment from excessive oscillations, reducing fatigue and preventing mechanical failures. This enhanced vibration control increases the reliability of the system.
- Shock Load Absorption: In applications with sudden load variations or shock loads, such as in heavy machinery or high-speed equipment, a flexible coupling acts as a shock absorber. It can absorb and dissipate the impact energy, protecting the machinery from damage caused by sudden loads. The ability to absorb shock loads contributes to the overall reliability of the connected equipment.
- Reduced Wear and Tear: The flexibility of the coupling minimizes stress and wear on rotating equipment. It allows for slight movements and misalignments, reducing friction and stress on bearings and other critical components. This reduction in wear and tear lowers the frequency of maintenance and replacement, increasing the overall reliability of the equipment.
- Compensatie voor thermische uitzetting: Temperature changes in machinery can lead to thermal expansion or contraction of shafts. A flexible coupling can compensate for these thermal effects, ensuring that the machinery remains properly aligned even as temperature conditions fluctuate. This compensation prevents binding and misalignment, promoting reliable performance.
- Protection Against Overloads: Flexible couplings help protect connected equipment from overloads and torsional vibrations. They act as a mechanical fuse, disconnecting the driveline when an overload occurs, thus preventing damage to expensive machinery. This safety feature enhances the overall reliability and reduces the risk of catastrophic failures.
- Easy Maintenance and Alignment: Flexible couplings are designed for easy installation and alignment. This feature simplifies maintenance procedures, making it easier to inspect and replace couplings when necessary. Properly aligned couplings lead to improved equipment performance and longevity, enhancing overall reliability.
By compensating for misalignment, damping vibrations, absorbing shock loads, reducing wear and tear, and providing other protective features, a flexible coupling significantly improves the reliability of connected equipment. It extends the lifespan of critical components, minimizes downtime, and ensures smooth and efficient operation, making it a valuable component in various industrial applications.

Wat zijn de voordelen van het gebruik van flexibele koppelingen in mechanische systemen?
Flexibele koppelingen bieden diverse voordelen in mechanische systemen, waardoor ze essentiële componenten zijn in uiteenlopende toepassingen. Hieronder volgen de belangrijkste voordelen van het gebruik van flexibele koppelingen:
- Compensatie voor verkeerde uitlijning: Een van de belangrijkste voordelen van flexibele koppelingen is hun vermogen om asuitlijningsfouten te compenseren. In mechanische systemen kunnen uitlijningsfouten optreden als gevolg van diverse factoren, zoals installatiefouten, thermische uitzetting of asbuiging. Flexibele koppelingen kunnen hoek-, parallelle en axiale uitlijningsfouten opvangen, waardoor een soepele krachtoverbrenging wordt gegarandeerd en de belasting op de aangesloten apparatuur en assen wordt verminderd.
- Trillingsdemping: Flexibele koppelingen fungeren als dempingselementen en absorberen en dempen trillingen en schokken die tijdens de werking ontstaan. Deze eigenschap helpt om geluidsoverlast te verminderen, de apparatuur te beschermen tegen overmatige slijtage en de algehele betrouwbaarheid en prestaties van het systeem te verbeteren.
- Torsieflexibiliteit: Flexibele koppelingen bieden torsieflexibiliteit, waardoor ze kleine hoek- en axiale doorbuigingen kunnen opvangen. Deze eigenschap beschermt de apparatuur tegen plotselinge koppelfluctuaties, schokbelastingen en koppelpieken, wat zorgt voor een soepelere werking en schade aan de machines voorkomt.
- Overbelastingsbeveiliging: Bij plotselinge overbelasting of koppelpieken kunnen flexibele koppelingen het overtollige koppel absorberen en verdelen, waardoor de aangesloten apparatuur en aandrijflijn worden beschermd tegen schade. Deze overbelastingsbeveiliging voorkomt onverwachte storingen en vermindert de stilstandtijd in kritische toepassingen.
- Minder slijtage en onderhoud: Door uitlijningsfouten te compenseren en trillingen te dempen, helpen flexibele koppelingen slijtage aan de aangesloten apparatuur, lagers en afdichtingen te verminderen. Dit resulteert in een langere levensduur van componenten en minder onderhoud, wat leidt tot kostenbesparingen en een verbeterde systeem betrouwbaarheid.
- Compensatie voor thermische uitzetting: In systemen die aan temperatuurschommelingen worden blootgesteld, kunnen flexibele koppelingen thermische uitzetting en krimp compenseren, waardoor de juiste uitlijning behouden blijft en vastlopen of overmatige spanning op de apparatuur tijdens temperatuurveranderingen wordt voorkomen.
- Elektrische isolatie: Sommige flexibele koppelingen, zoals schijfkoppelingen, bieden elektrische isolatie tussen assen. Deze eigenschap is gunstig in toepassingen waar galvanische corrosie of elektrische interferentie tussen aangesloten componenten tot een minimum moet worden beperkt.
- Ruimte- en gewichtsbesparing: Flexibele koppelingen hebben vaak een compact ontwerp en een lage inertie, wat voordelig is in toepassingen met beperkte ruimte en waar gewichtsminimum cruciaal is voor prestaties en efficiëntie.
- Kosteneffectiviteit: Flexibele koppelingen zijn over het algemeen kosteneffectieve oplossingen voor krachtoverbrenging en bewegingsregeling, vooral in vergelijking met complexere en duurdere koppelingstypen. Hun relatief eenvoudige ontwerp en installatiegemak dragen bij aan kostenbesparingen.
Samenvattend spelen flexibele koppelingen een essentiële rol in mechanische systemen door het compenseren van uitlijningsfouten, het dempen van trillingen, het beschermen tegen overbelasting en het bieden van torsieflexibiliteit. Deze voordelen leiden tot betere systeemprestaties, minder slijtage en onderhoud, en een hogere betrouwbaarheid van de apparatuur, waardoor flexibele koppelingen een voorkeurskeuze zijn in diverse industriële, automobiel-, maritieme en ruimtevaarttoepassingen.


editor by CX 2024-05-13