China Custom OEM Nonstandard Colored PU Rubber Male Flange Bushing Coupling / Jaw Coupling

Product Description

OEM Nonstandard Colored Pu Rubbe Male Flange Bushing Coupling / Jaw Coupling

Products Type

We can custom shape,size,material,color and quantity for rubber coupling as your requirment.

Products Specification

1. Various hardness for your choice.
2. Good abrasion, heat and oil resistance.
3. Good anti-aging performance and gas tightness.
4. Ease of bonding to other material.
5. Excellent oxygen and CHINAMFG resistance.
6. Non-flammable,self-extinguish. 

Material EPDM,NR,Silicone,FKM,IIR,NBR,SBR,Sponge,Rubber,or Custom Compound
(Any custom compound rubber is available)
Size According to samples or drawings
Color Black,white,red,green,transparent or any color according to Pantone colors
Finish High Gloss,Fine Grain,Electroplating,Painting,Printing,Texture etc,or as request
Type Round,square,rectangular,or any nonstandard shape as request
Logo Debossed,embossed,printed logo or as request

Rubber Material Properties

Company Profile

Zhongde (ZheJiang ) Machinery Equipment Co.,LTD is a company integrated in design,OEM&ODM plastic&rubber&CNCparts production.We can provide the best products and service at a competitive price.

Main Products

We can provide OEM service,which means producing base on your drawings or samples,also we can design according to its application or customer`s requirments.

Order Operation Flow

We execute each step according to the operation process flow, strictly, seriously and meet the requirements of customers with good quality on time.

For Fast Quotation,Please Inform Below Details
1. Production type
2. Material specification (or let us know the using environmental)
3. Size details? (or provide drawings or samples for refference)
4. Quantity request
5. Prefer color
 

rubber coupling

Maintaining and Preserving Rubber Coupling Performance

To ensure the longevity and optimal performance of rubber couplings, the following best practices should be observed:

  • Regular Inspections: Perform visual inspections for signs of wear, cracks, or damage.
  • Lubrication: Apply appropriate lubricants to minimize friction and extend rubber life.
  • Alignment: Maintain proper alignment between connected shafts to prevent undue stress on the coupling.
  • Temperature Control: Monitor operating temperatures to prevent overheating that can accelerate rubber degradation.
  • Load Monitoring: Avoid overloading the coupling beyond its rated capacity.
  • Vibration Analysis: Monitor vibration levels and address excessive vibrations promptly.
  • Regular Maintenance: Follow manufacturer’s recommendations for maintenance schedules.
  • Replacement: Replace worn or damaged rubber elements as needed.

By adhering to these practices, the performance and service life of rubber couplings can be effectively preserved.

rubber coupling

Industry Standards and Guidelines for Rubber Couplings

There are no specific industry standards or guidelines that exclusively govern the design and application of rubber couplings. However, various general standards and engineering practices apply to flexible couplings, including rubber couplings:

  • ISO 14691: This standard provides guidelines for the installation, use, and maintenance of industrial flexible couplings, which include rubber couplings.
  • AGMA 9005: The American Gear Manufacturers Association (AGMA) standard provides information on selecting lubricants and lubrication methods for flexible couplings, ensuring proper performance and longevity.
  • API 671: This API standard specifies the requirements for special-purpose couplings used in petroleum, chemical, and gas industry services, which can include rubber couplings for specific applications.
  • Manufacturer Recommendations: Many rubber coupling manufacturers provide guidelines, specifications, and installation instructions for their products, helping users select the right coupling and use it correctly.

Since rubber couplings fall under the category of flexible couplings, engineers and designers can follow these broader standards and best practices while considering the specific characteristics and performance requirements of rubber couplings for their applications.

rubber coupling

Challenges of Misaligned Rubber Couplings and Their Resolution

Misaligned rubber couplings can lead to several challenges that impact the performance and reliability of machinery. These challenges include:

1. Reduced Efficiency: Misalignment can result in increased friction, causing energy loss and reduced efficiency in power transmission.

2. Increased Wear: Misaligned rubber couplings can cause uneven wear on the coupling’s rubber element and other connected components, leading to premature failure.

3. Vibrations and Noise: Misalignment can cause vibrations and noise, which not only affect the machinery’s operation but also contribute to discomfort for operators.

4. Overloading: Misalignment can lead to uneven loading on the coupling and connected components, potentially causing overloading and damage.

5. Premature Failure: Continuous operation with misaligned couplings can accelerate wear and fatigue, leading to premature failure of the coupling and other components.

To resolve these challenges, proper alignment practices are crucial:

1. Regular Maintenance: Perform routine inspections to identify misalignment and other issues early, allowing for timely adjustments.

2. Precise Installation: Ensure accurate alignment during the installation process to prevent initial misalignment.

3. Laser Alignment: Use laser alignment tools for accurate and reliable alignment between shafts.

4. Corrective Measures: If misalignment is detected, take corrective actions promptly to restore proper alignment.

5. Balancing Loads: Distribute loads evenly across the coupling and connected components to prevent overloading.

By addressing misalignment challenges proactively and adopting appropriate maintenance practices, the longevity and performance of rubber couplings can be significantly improved, minimizing downtime and maintenance costs in industrial applications.

China Custom OEM Nonstandard Colored PU Rubber Male Flange Bushing Coupling / Jaw Coupling  China Custom OEM Nonstandard Colored PU Rubber Male Flange Bushing Coupling / Jaw Coupling
editor by CX 2023-12-14

China best Customized Flexible Rubber Water Pipe Coupling

Product Description

Product Description
Hot Sales rubber products flexible rubber coupling exhaust flexible coupling/reducer/elbow/tee
flexible rubber couplings for pipes

rubber pipe cap
rubber 90 degree elbow
rubber reducer
rubber tee

Material

EPDM, NR, Silicon, FKM, IIR, NBR, SBR, or Custom Compound

Color

Black, white, red, green, transparent or any color according to Pantone code 

Size

As per customer’s requirements

Technology

Compression molding, injection molding, vacuum vulcanizing, extrusion.

Surface Treatment

Powder coating, Zinc coating, Galvanization, Electro-deposition coating, Chrome/zinc/nickel plating, Polishing, Silkscreen, Black oxide

Application

Automotive, ATV, Mechanical equipment, Construction, Home appliance, Aviation,
Office facilities, Agriculture, etc.

Shippment

We have longterm cooperation with internation shipping agent and express company, so that shipping safty and arriving time are secured

Spare parts in pipe system, controlling, turning, shunting, sealing and support the other action
Including union joint,cast iron pipe ,plastic pipe ,copper pipe ,steel pipe , coupling, card sleeve, hose clamp, elbow, variable
diameter (reducer), reducing elbow, branch pipe, reinforcing pipe, tee, four-way, plug, U-bent tube and so on.
1. CHINAMFG rubber, NBR, PVC and stainless steel material
2. Excellent abrasion corrosion and ageing resistance
3. Easy to assemble and replace
4. Varieties of materials or types pipe available

Specification
Product Test

Our Services

1. Many years experience in manufacturing and exporting fittings
2. Experienced technical staff
3. Marking the customer’s brand on the product surface directly
4. All fittings are approved by CE and ISO
5. Supply OEM service
6. Small orders accepted
7. Competitive prices, top quality, professional service and prompt delivery
8. Quality checking and controlling strictly

Packing & Delivery

1.Packing Details : carton+plywood pallets/cases+container.

2.Standard exporting cartons and plywood pallets/cases.
3. According to the customer’s requirement.
4.Delivery Details : 15-30 days after confirming order.
5.Port:ZheJiang /ZheJiang /HangZhou
6.Sample time:usually 3-5 days

Company Profile

HangZhou CHINAMFG Industrial Co.,Ltd. is 1 of the biggest manufacturers and exporters of pipeline products in China. We specialize in pipeline products, casting and forging (with or without machining): Malleable iron pipe fittings, ductile iron grooved fitting and coupling, 125# cast iron pipe fitting, steel butt-welding pipe fitting, steel flange, forged steel pipe fittings, stainless steel threaded pipe fitting, steel pipe nipple & merchant coupling, steel pipe, brass pipe nipple and bronze fitting, cast iron soil pipe and fitting, resilient seat non-rising stem wedge gate valves, check valve, butterfly valve, brass valve and bib-cock, scaffolding couplers / clamps, scaffolding frame & props, scaffolding accessories, pipe clamp fitting, concrete lifting anchors, lifting insert, socket & fixing insert, concrete hardware accessories, expansion shell, pipe coupling & hose clamps, radiator, cast iron manhole cover, auto parts, CHINAMFG parts, investment (lost wax casting) casting parts, die casting parts, and kinds of casting and forging machinery parts according samples or drawing from customers. All our factories are certified to the international ISO-9001 quality system standard and all products are carefully tested to meet the strict quality requirements and industry standards prior to each shipment. Parts of our products have been tested, listed, approved by some predominant labs and bodies. In order to enhance our accountability for environment, the environmental management system to ISO14001 has been assessed and registered by BVQI (France). Any information, samples and drawings which you can provide will facilitate us to make the correct supply to meet your special requirements.

Certificates

FAQ
1.Who are we?
We are based in ZheJiang , China, start from 2004,sell to South America(25.00%),North America(25.00%),Mid East(20.00%),Eastern
Europe(20.00%),Western Europe(5.00%),Africa(5.00%). There are total about 1000+ people in our office.

2.How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3. Are you trading company or manufacturer?
We are factory.Due to the factory direct sales so we can offer the lowest price.
4.Why should you buy from us not from other suppliers?
Eathu Group is 1 of the biggest manufacturers and exporters of pipeline products in China. We specialize in pipeline products,
and casting and forging products, we have more than 15years experience for production, quality control and export.
5.How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to
quantity.
6. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CHF;
Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish

Contact

Tina Cheng
HangZhou CHINAMFG Industrial Co., Ltd.

rubber coupling

Recent Advancements in Rubber Coupling Technology

In recent years, rubber coupling technology has seen several advancements aimed at improving performance, durability, and overall efficiency:

  • Enhanced Rubber Compounds: Development of advanced rubber compounds with improved resistance to wear, heat, chemicals, and environmental conditions.
  • Advanced Manufacturing Techniques: Utilization of innovative manufacturing processes like injection molding and vulcanization to create couplings with consistent quality and higher precision.
  • Improved Design: Integration of advanced design techniques and computer simulations to optimize the shape and characteristics of rubber elements, resulting in enhanced flexibility and damping properties.
  • Customization: Increasing focus on offering customizable rubber couplings to meet specific application requirements and environmental conditions.
  • Smart Couplings: Incorporation of sensors and monitoring systems into rubber couplings, allowing real-time tracking of coupling performance and condition.

These advancements have led to rubber couplings that offer better torque transmission, improved vibration isolation, longer service life, and reduced maintenance needs.

rubber coupling

Signs of Wear or Deterioration in Rubber Couplings

Rubber couplings can show signs of wear and deterioration over time due to factors like torque, temperature, and environmental conditions. To identify potential issues, watch out for the following signs:

  • Visible Cracks or Damage: Inspect the rubber element for visible cracks, tears, or physical damage. Such issues can weaken the coupling’s torque transmission and vibration damping capabilities.
  • Reduced Flexibility: Stiff or less flexible rubber indicates material degradation, which can impact the coupling’s ability to accommodate misalignment and absorb vibrations.
  • Increased Vibrations: Excessive machinery vibrations may suggest worn-out rubber couplings. Deterioration of the rubber diminishes its vibration dampening properties.
  • Unusual Noises: Any unusual sounds like squeaking or knocking might point to improper rubber coupling function and the need for inspection.
  • Altered Performance: Decline in machinery performance, such as reduced torque transmission or higher energy consumption, can indicate coupling wear.

Regular inspections, visual checks, vibration analysis, and performance monitoring can help detect wear and deterioration early. This enables timely replacement and avoids operational problems.

rubber coupling

Utilization of Rubber Couplings in Mechanical Systems

A rubber coupling is a type of flexible coupling that utilizes rubber elements to connect two shafts while allowing a certain degree of misalignment and vibration damping. It is commonly used in mechanical systems to transmit torque, accommodate misalignment, and reduce shock and vibration. Here’s how rubber couplings are utilized:

  • Torque Transmission: Rubber couplings transmit torque from one shaft to another, enabling the transfer of power between components while allowing for slight angular, parallel, and axial misalignments.
  • Misalignment Compensation: These couplings can accommodate both angular and axial misalignments, which can occur due to manufacturing tolerances, thermal expansion, or other factors. The flexibility of the rubber element helps prevent excessive loads on connected equipment.
  • Vibration Damping: The elastic properties of rubber help dampen vibrations and shocks generated during the operation of rotating machinery. This prevents the transmission of harmful vibrations to other parts of the system and reduces wear and fatigue.
  • Noise Reduction: Rubber couplings help reduce noise by absorbing vibrations and minimizing the transmission of sound waves through the system.
  • Equipment Protection: By absorbing shocks and vibrations, rubber couplings protect sensitive equipment and components from damage, thereby extending their lifespan.
  • Simple Installation: Rubber couplings are relatively easy to install and require minimal maintenance, making them a convenient choice for various applications.
  • Wide Range of Applications: Rubber couplings find applications in various industries, including automotive, industrial machinery, pumps, compressors, and more.

In summary, rubber couplings are utilized in mechanical systems to transmit torque, accommodate misalignment, reduce vibration and shock, protect equipment, and enhance the overall performance and reliability of rotating machinery.

China best Customized Flexible Rubber Water Pipe Coupling  China best Customized Flexible Rubber Water Pipe Coupling
editor by CX 2023-12-14

China factory HRC Flexible Rubber Coupling B/F/H HRC Couplings

Product Description

Product Description

HRC Flexible rubber coupling types of spider coupling B/F/H HRC Couplings

Mainly used in the mining, metallurgical, cement, chemicals, construction, building materials, electric power, telecommunications, textiles, and transportation departments.

 

Such as: 
Conveyor: Belt conveyor.AFC conveyor.Chain conveyor.Screw conveyor.
Pump: Water pump, oil pump, slush pump,etc
Fan: Draft fan,,fanner, boiler fan,etc
Excavator: Bucket excavator. Bucket wheel excavators.Bucket wheel stacker reclaimer.
Crane: Tower crane.Gantry crane.Bridge crane.
Others: Various elevators.Coal plough.Ball mill.Crusher.Recreation machine.Blender

equipment.Centrifuger.Washer.Leather-making machine.machine for recreation park

mixer wire drawing machine.Extruder,dregs crusher of boiler. Plastic feeder.Rubber

smelling machine.etc.

Product Parameters

Packaging & Shipping

Packaging:
Chain+Plastic Bag+ Carton+Wooden case ( If you have other requirements, we can customized according to customer requirements packaging.)

Shipping :
1.Most of the standard ones are in stock which we can send in 3-10 days after inspection and package.
2. Customized products delivery time should be determined according to the number.

Company Profile

About Mighty Machinery

ZheJiang Mighty Machinery Co., Ltd., specializes in manufacturing Mechanical Power Transmission Products. After over 13 years hard work, MIGHTY have already get the certificate of ISO9001:2000 and become a holding company for 3 manufacturing factories. 

 

MIGHTY advantage

1, Abundant experience  in the mechanical processing industries.

2,Large quality of various material purchase and stock in warhouse which ensure the low cost for the material and  production in time.

3,Now have 5 technical staff, we have strong capacity for design and process design, and more than 70 worker now work in our FTY and  double shift eveyday.

4,Strick quality control are apply in the whole prodution. we have incoming inspection,process inspection and final production inspection which can ensure the perfect of the goods quality.
 

5,Long time cooperate with the Global Buyer, make us easy to understand the csutomer and handle the export.

 

FAQ

1.Are you a factory?
Yes we are a factory instead of trading company, we sincerely welcome customers to visit us locally.

2.Payment terms?
T/T and L/C are both ok for us.we will start production when we receive 30% deposit and make my delivery when receive full payment.

3.Your delivery time?
we can make delivery in 15 days for Less- Container orders,and 25days for Container orders.

4.This is our first order, how can l trust your company?
We cooperate with Alibaba which is a trustable company, so you can buy our products safely. All of our products are checked by the third party. Before we send the item we will check it carefully by ourselves .

rubber coupling

Minimizing Resonance and Improving Machinery Performance with Rubber Couplings

A rubber coupling can play a significant role in minimizing resonance and enhancing the overall performance of machinery by effectively damping vibrations and reducing the risk of resonance-related issues. Resonance is a phenomenon where a mechanical system’s natural frequency matches the frequency of external vibrations, leading to amplified oscillations and potential damage.

The following ways illustrate how rubber couplings contribute to minimizing resonance and improving machinery performance:

  • Vibration Damping: Rubber couplings utilize the inherent damping properties of elastomers to absorb and dissipate vibrations generated during operation. These vibrations can include those caused by unbalanced loads, eccentricities, or other disturbances. By damping these vibrations, rubber couplings prevent them from building up and causing resonance.
  • Vibration Isolation: Rubber couplings act as isolators by decoupling the connected components from each other. This isolation prevents vibrations from being transmitted directly from one component to another, thereby reducing the potential for resonance to occur.
  • Misalignment Compensation: Rubber couplings can accommodate misalignments between shafts, which often contribute to excessive vibrations. By allowing a certain degree of misalignment, the coupling prevents additional forces that could trigger resonance.
  • Reduced Stiffness: The flexibility of the elastomer elements in rubber couplings can reduce the overall stiffness of the system. A lower stiffness helps avoid the amplification of resonance by allowing some deformation of the coupling under varying loads and conditions.
  • Dynamic Absorption: Rubber couplings are effective at absorbing dynamic loads, including sudden shocks or impacts. These dynamic events can excite resonance, and the coupling’s ability to absorb and disperse such forces helps prevent resonance-related issues.

By effectively dampening vibrations, isolating components, and accommodating misalignments, rubber couplings can help minimize the risk of resonance-related problems. Engineers and designers must carefully select the appropriate rubber coupling type, elastomer material, and design to match the specific machinery and operating conditions, thereby ensuring improved machinery performance and longevity.

rubber coupling

Industry Standards and Guidelines for Rubber Couplings

There are no specific industry standards or guidelines that exclusively govern the design and application of rubber couplings. However, various general standards and engineering practices apply to flexible couplings, including rubber couplings:

  • ISO 14691: This standard provides guidelines for the installation, use, and maintenance of industrial flexible couplings, which include rubber couplings.
  • AGMA 9005: The American Gear Manufacturers Association (AGMA) standard provides information on selecting lubricants and lubrication methods for flexible couplings, ensuring proper performance and longevity.
  • API 671: This API standard specifies the requirements for special-purpose couplings used in petroleum, chemical, and gas industry services, which can include rubber couplings for specific applications.
  • Manufacturer Recommendations: Many rubber coupling manufacturers provide guidelines, specifications, and installation instructions for their products, helping users select the right coupling and use it correctly.

Since rubber couplings fall under the category of flexible couplings, engineers and designers can follow these broader standards and best practices while considering the specific characteristics and performance requirements of rubber couplings for their applications.

rubber coupling

Role of Rubber Flexibility in Accommodating Misalignment

Rubber couplings are designed with a flexible element, usually made of elastomers, that plays a crucial role in accommodating misalignment between connected shafts. The flexibility of the rubber element allows it to deform and absorb angular, axial, and radial misalignments, providing several benefits:

1. Angular Misalignment: When the input and output shafts are not perfectly aligned in terms of angle, the rubber element can flex and twist, allowing the coupling to transmit torque even when the axes are not parallel.

2. Axial Misalignment: Axial misalignment occurs when the shafts move closer together or farther apart along their axis. The rubber element can compress or extend, adjusting the distance between the shafts without hindering torque transfer.

3. Radial Misalignment: Radial misalignment refers to the offset between the centers of the shafts. The rubber element can bend in response to radial displacement, ensuring that the coupling remains operational while accommodating the offset.

This flexibility not only enables the rubber coupling to handle misalignment but also helps prevent excessive stress on the connected machinery. By absorbing shock loads and distributing forces, the rubber element reduces wear and tear on components and minimizes the risk of premature failure.

In essence, the rubber’s flexibility in the coupling acts as a buffer against misalignment-induced stresses, contributing to smoother operation, improved longevity, and reduced maintenance in mechanical systems.

China factory HRC Flexible Rubber Coupling B/F/H HRC Couplings  China factory HRC Flexible Rubber Coupling B/F/H HRC Couplings
editor by CX 2023-12-12

China OEM China Manufacturer Rubber Expansion Joint Flexible Joint Pipe Coupling for Sale

Product Description

SYI Flanged Connector Coupling Pipeline CHINAMFG Flexible Rubber Expansion Joint

Description

SYI can supply the Flanged Connector Coupling Pipeline CHINAMFG Flexible Rubber Expansion Joint from DN32-DN3000, and the gasket can be used by EPDM, NBR, NR or PTFE with your requirement for different standard steel flange including DIN, BS, EN, ISO standard..

Flange Standard

ASTM, ANSI, DIN, BS, EN,ISO

Flange Material

Carbon Steel, Stainless steel

Gasket Market

NR. NBR, EPDM, PTFE

Flange Surface

Galvanization, Painting, Coating

Package

Carton & plywood case or pallet

Certificate

ISO 9001

Usage

– Power Generation Stations
– Oil & Gas
– Desalination
– Cooling Systems
– Pumps
– Heating,Ventilating and Air Conditioning
– Pipe Systems
– Cooling Systems Power Generation
– Food Process

 

Package

Company

SYI has continually invested in better technology and production facilities. More than 4,000 patterns
are ready. We are capable to finish all the production processes from moulding, shot-blasting, machining, coating to packaging. We have over 100,000 m2 foundry land including:
-10,000 m2 of the pattern, sand mixing, polishing, machining, hydraulic pressure, coating, packaging workshops;
-4,000 m2 of 3 green sand moulding workshops and 1 resin sand moulding workshops;
-3,000 m2 of automatic moulding machine line and epoxy coating line
-professional laboratory
-machining shop
-and our own tooling shop

Strict process and operating regulations together with perfect quality assurance system making every production step under control. All the products are subject to tests and inspections including composition analysis, metallographic examination, dimension & surface finish inspection, ring test, tensile test, hardness test, hydrostatic test, CHINAMFG and coating test to be sure that the products meet the requirements of the standards.

Since 2009, CHINAMFG Pipeline has developed from a pipes & fittings seller to a professional project solution provider, including the 1 stop service and solution from pipes, fittings, couplings & flanged adaptors, valves, fire hydrants, to water CHINAMFG and accessories.

SYI products have served 111 countries CHINAMFG up to now!
Most of these customers cooperated with CHINAMFG for more than 20 years!
We value long term cooperation relationship mostly!

One-Stop Service

1. Sales Service
40 staff covering the pre-sales, on-sales, after-sales services.
80% have over 5 years working experiences.
100% of our sales can communicate in English fluently.
We promise to respond your questions within 24 hours.
 

2. Customer Service

For your every single PO, we have 1 Customer Service person to independently follow up.
Professional Logistic Department
Product Installation Instructions are available.

Welcome to send us an inquiry for more details and price!!!

rubber coupling

Durometer Hardness in Rubber Coupling Materials

Durometer hardness is a measure of the material’s resistance to indentation or penetration by a specified indenter. In rubber couplings, durometer hardness is a critical characteristic that influences their performance. It is typically measured using a durometer instrument.

The durometer hardness scale commonly used for rubber materials is the Shore durometer scale, indicated by a letter followed by a numerical value (e.g., Shore A, Shore D). Lower durometer values indicate softer and more flexible rubber, while higher values indicate harder and less flexible rubber.

In relation to rubber couplings:

  • Higher Durometer (Harder Rubber): Couplings made from harder rubber materials have better torque transmission capabilities and higher load-bearing capacity. However, they may offer less vibration isolation and misalignment compensation.
  • Lower Durometer (Softer Rubber): Couplings made from softer rubber materials provide greater flexibility, vibration damping, and misalignment compensation. They are suitable for applications where vibration reduction is crucial.

The choice of durometer hardness depends on the specific requirements of the application, including torque levels, vibration, misalignment, and desired performance characteristics.

rubber coupling

Industries and Applications of Rubber Couplings

Rubber couplings are widely utilized in various industries and applications where their unique characteristics are beneficial. Some examples include:

  • Automotive: Rubber couplings are commonly used in automotive drivetrains to connect the engine to the transmission and other components. They help absorb engine vibrations and shocks, enhancing passenger comfort.
  • Pumping Systems: Rubber couplings find applications in pumps and fluid handling systems, where they dampen vibrations and reduce wear on connected equipment.
  • Material Handling: Conveyor systems and material handling equipment use rubber couplings to minimize vibrations and shock loads during the movement of materials.
  • Industrial Machinery: Rubber couplings are employed in various types of industrial machinery, such as compressors, generators, and gearboxes, to ensure smooth torque transmission and vibration isolation.
  • Marine: In marine applications, rubber couplings connect propulsion systems and power transmission components, contributing to the overall reliability and performance of vessels.
  • Renewable Energy: Wind turbines and solar tracking systems utilize rubber couplings to absorb dynamic loads and vibrations caused by changing wind conditions.

These examples highlight the versatility and importance of rubber couplings in maintaining efficient and reliable operation across a wide range of industries and applications.

rubber coupling

Main Advantages of Using Rubber Couplings in Industrial Applications

Rubber couplings offer several key advantages when used in industrial applications. These advantages make them a popular choice for various industries and mechanical systems:

  • Misalignment Tolerance: Rubber couplings can accommodate angular, parallel, and axial misalignments between connected shafts, reducing the need for precise alignment during installation and operation.
  • Vibration Damping: The rubber elements of these couplings absorb and dampen vibrations, minimizing the transmission of vibrations and shocks to other components. This helps prevent damage, wear, and noise generation.
  • Shock Absorption: In systems where sudden shocks or impacts occur, rubber couplings absorb and cushion the impact, protecting connected components from damage.
  • Noise Reduction: The ability to dampen vibrations also contributes to noise reduction, creating quieter operation environments for machinery and equipment.
  • Equipment Protection: Rubber couplings protect sensitive equipment from excessive loads, vibrations, and shocks, enhancing the longevity and reliability of the system.
  • Cost-Effectiveness: Compared to some other coupling types, rubber couplings are generally cost-effective to manufacture, purchase, and maintain.
  • Easy Installation: The flexibility and design of rubber couplings make them relatively easy to install without the need for specialized tools or complex procedures.
  • Minimal Maintenance: Rubber couplings require minimal maintenance and lubrication, reducing downtime and maintenance costs.
  • Wide Range of Applications: Rubber couplings are versatile and find applications in various industries, including automotive, power generation, pumps, conveyors, and more.

In summary, the main advantages of using rubber couplings in industrial applications include their ability to tolerate misalignment, dampen vibrations, absorb shocks, reduce noise, protect equipment, cost-effectiveness, easy installation, low maintenance requirements, and suitability for a wide range of applications.

China OEM China Manufacturer Rubber Expansion Joint Flexible Joint Pipe Coupling for Sale  China OEM China Manufacturer Rubber Expansion Joint Flexible Joint Pipe Coupling for Sale
editor by CX 2023-11-30

China Standard Aluminium Quick Camlock Coupling for Rubber Hose

Product Description

Aluminum Hose Pipe Fitting Camlock Coupling

Product Parameters:

Surface Treatment Polishing
Standard A-A-59326/MIL-C-27487
Type A,B,C,D,E,F,DC,DP
Feature Quick and No need tools
Application Oil,Gas,Water,Petrochemical,Chemical Industry

 

General Conditions:
Standard Packing:In cartons,with or without pallets
Leading time:45 days in normal(rush order please check us,we keep some stock but not for all sizes)
Terms of shipment:EXW,FOB,CFR/CIF,DAP,DDU

Company Introduction
  SUNTEX is the leading valve producer with own design-know how-technique, located in ZheJiang province, China.With more than 20 years experience on water treatment scope, provide 1 stop supplies for customers all over the world. Our company passed the WRAS (Water Regulations Advisory Scheme) certification in 2013.
Distributor wanted worldwide.

FAQ:
Q1:
Do you provide samples?Is it free or extra?
A:Yes.Nomally for old customers samples are free,but the customers have to pay the courier cost.

Q2:Is small order acceptable?
A:Yes.It’s ok.

CONTACT US:
Head office:RM 1108 Xihu (West Lake) Dis. Bldg.,No.368 North Xihu (West Lake) Dis. Street,
HangZhou, ZheJiang province, China.
Post Code: 050061
Workshop:No.15, Xihu (West Lake) Dis.chuang S &T park, Jiansheng South Street, Chemical district HangZhou, ZheJiang province, China.

rubber coupling

Diagnosing and Troubleshooting Rubber Coupling Issues

Diagnosing and troubleshooting problems with rubber couplings in machinery systems involves a systematic approach:

  1. Visual Inspection: Check for signs of wear, cracking, or deformation in the rubber elements.
  2. Vibration Analysis: Monitor vibration levels using sensors to identify excessive vibrations or irregular patterns.
  3. Noise Assessment: Listen for unusual noises during operation, which could indicate misalignment or worn components.
  4. Temperature Check: Monitor the operating temperature of the coupling, as overheating might indicate issues.
  5. Alignment Check: Ensure proper alignment between connected shafts to prevent excessive stress on the coupling.
  6. Torque Measurement: Measure the transmitted torque to identify any discrepancies from the expected values.
  7. Dynamic Testing: Conduct dynamic tests with load variations to identify performance issues.
  8. Comparative Analysis: Compare coupling behavior to baseline performance data.

If any issues are identified, they should be promptly addressed through proper maintenance, realignment, or replacement of damaged components.

rubber coupling

Industries and Applications of Rubber Couplings

Rubber couplings are widely utilized in various industries and applications where their unique characteristics are beneficial. Some examples include:

  • Automotive: Rubber couplings are commonly used in automotive drivetrains to connect the engine to the transmission and other components. They help absorb engine vibrations and shocks, enhancing passenger comfort.
  • Pumping Systems: Rubber couplings find applications in pumps and fluid handling systems, where they dampen vibrations and reduce wear on connected equipment.
  • Material Handling: Conveyor systems and material handling equipment use rubber couplings to minimize vibrations and shock loads during the movement of materials.
  • Industrial Machinery: Rubber couplings are employed in various types of industrial machinery, such as compressors, generators, and gearboxes, to ensure smooth torque transmission and vibration isolation.
  • Marine: In marine applications, rubber couplings connect propulsion systems and power transmission components, contributing to the overall reliability and performance of vessels.
  • Renewable Energy: Wind turbines and solar tracking systems utilize rubber couplings to absorb dynamic loads and vibrations caused by changing wind conditions.

These examples highlight the versatility and importance of rubber couplings in maintaining efficient and reliable operation across a wide range of industries and applications.

rubber coupling

Types of Rubber Couplings Designed for Specific Uses

There are several types of rubber couplings, each designed with specific characteristics to suit various applications:

  • Flexible Jaw Couplings: These couplings consist of two hubs connected by a flexible rubber element. They are commonly used in applications where misalignment, vibrations, and shocks need to be dampened, such as in pumps, fans, and compressors.
  • Oldham Couplings: Oldham couplings use a rubber disk as the intermediate element between two hubs. They provide compensation for misalignment while maintaining a constant velocity between input and output shafts, often used in printing, packaging, and CNC machinery.
  • Tyre Couplings: These couplings have a high degree of torsional flexibility and are suitable for applications with substantial misalignment and shock absorption requirements, like in heavy-duty machinery and construction equipment.
  • Pin and Bush Couplings: These couplings use rubber bushes to provide vibration isolation and accommodate misalignment. They are used in various industrial applications, including conveyors, mixers, and crushers.
  • Diaphragm Couplings: Diaphragm couplings use a flexible rubber diaphragm to transmit torque and compensate for misalignment. They are commonly found in precision equipment like servo motors and robotics.

Each type of rubber coupling is designed to address specific needs in different applications. The choice of coupling depends on factors such as the degree of misalignment, torque requirements, shock absorption, and the level of precision needed.

China Standard Aluminium Quick Camlock Coupling for Rubber Hose  China Standard Aluminium Quick Camlock Coupling for Rubber Hose
editor by CX 2023-11-30

China high quality Carbon Steel Coupling for Rubber Hose

Product Description

carbon steel coupling for rubber hose

Specification:

 

PART NO THREAD E HOSE BORE DIMHangZhouONS
DN DASH A C S2
24211-04-04 9/16″×18 6 04 22.5 8.5 19
24211-04-05 9/16″×18 8 05 22.5 8.5 19
24211-04-06 9/16″×18 10 06 22.5 8.5 19
24211-06-04T 11/16″×16 6 04 23.5 10 22
24211-06-05T 11/16″×16 8 05 23.5 10 22
24211-06-06 11/16″×16 10 06 25.5 10 22
24211-06-08 11/16″×16 12 08 26 10 22
24211-08-05T 13/16″×16 8 05 25 11 27
24211-08-06T 13/16″×16 10 06 25 11 27
24211-08-08 13/16″×16 12 08 28 11 27
24211-08-10 13/16″×16 16 10 29 11 27
24211-10-08T 1″×14 12 08 29.5 11 30
24211-10-10T 1″×14 16 10 33.5 11 30
24211-10-12 1″×14 20 12 33.5 11 30
24211-12-08T 1.3/16″×12 12 08 30.5 12 36
24211-12-10T 1.3/16″×12 16 10 31.5 12 36
24211-12-12T 1.3/16″×12 20 12 33 12 36
24211-12-12 1.3/16″×12 20 12 35 12 36
24211-12-16 1.3/16″×12 25 16 36 12 36
24211-16-12T 1.7/16″×12 20 12 35 14.8 41
24211-16-14T 1.7/16″×12 22 14 34 14.8 41
24211-16-16T 1.7/16″×12 25 16 35 14.8 41
24211-16-20 1.7/16″×12 32 20 39.5 14.8 41
24211-20-16T 1.11/16″×12 25 16 35 15 50
24211-20-20W 1.11/16″×12 32 20 39.5 15 50
24211-20-24W 1.11/16″×12 40 24 39.5 15 50
24211-24-20T 2″×12 32 20 36 14.8 60
24211-24-24T 2″×12 40 24 36 14.8 60

The material  are always carbon steel, stainless steel or brass, and the material can be customized.

The surface of the ferrules are smooth, zinc plating or others customized.

Features:
High functionality
Precise design
Durable

carbon material:

Plant:

Warehouse:

Other products:

Swaged Metric Fittings Mertic Flat Seal Fittings 
Metric Multiseal Fittings
Metric 60°Cone Seal Fittings 
Metric 74°Cone Seal Fittings
Metric 24°Cone O-RING Seal L..T Fittings
Metric 24°Cone O-RING Seal H.T.Fittings
Metric Standpipe Straight Fittings
JIS Metric 60°Cone Seal Fitting
Swaged British Fittings BSP O-RING Seal Fittings 
BSP Flat Seal Fittings
BSP Multiseal Fittings
BSP 60°Cone Seal Fittings
BSPT Fittings
JIS BSP 60°Cone Seal Fittings
Swaged American Fittings SAE O-RING Seal Fittings 
ORFS Flat Seal Fittings
NPSM 60°Cone Seal Fittings
JIC 74°Cone Seal Fittings
NPT Fittings SAE Flange L.T. Fittiings
SAE Flange H.T.Fittings
Staplelok Fittings Banjo Double connection 
interlock Hose Fittings
Ferrule FERRULE for SAE100R1AT/ EN 853 1SN HOSE
FERRULE for SAE100R1A EN 853 1ST HOSE
FERRULE for SAE100R2AT/DIN20571 2SN HOSE
FERRULE for SAE100R2A/EN 853 2SN HOSE
FERRULE for SAE100R1AT-R2AT,EN853 1SN-2SN and EN 857 2SC
FERRULE for 4SP,4SH/10-16,R12-06-16 HOSE
FERRULE for 4SH,R12/32 HOSE
Metric Adapters Metric Thread O-RING Face Seal Adapters
Metric Thread Bite Type Tube Adapters
JIS Metric Thread 60°Cone Adapters
Metric Thread 74°Cone Flared Tube Adapters
British Adapters BSP Thread 60°Cone Adapters
JIS BSP Thread 60°Cone Adapters
BSPT Thread Adapters
American Adapters ORFS Adapters JIC 74°Cone Flared Tube Adapters
NPT Thread Adapters

We carries a wide variety of hydraulic hose ferrule fittings in common size,used mainly for crimping hose fittings.More other type ferrule,fitting and hose please feel free to contact with us.
 

rubber coupling

Impact of Elastomer Element Design on Rubber Coupling Performance

The design of the elastomer elements in a rubber coupling plays a critical role in determining its overall performance and capabilities. The elastomer elements are the heart of the coupling, responsible for transmitting torque, absorbing vibrations, and accommodating misalignments. The following aspects of elastomer element design significantly impact the coupling’s performance:

  • Elastomer Material: The choice of elastomer material influences the coupling’s flexibility, damping characteristics, and resistance to wear. Different elastomers offer varying levels of resilience, chemical resistance, and temperature tolerance. Common elastomers used include natural rubber, synthetic rubber compounds, and polyurethane.
  • Elastomer Hardness (Durometer): The durometer hardness of the elastomer affects its flexibility and ability to absorb vibrations. Softer elastomers have higher damping capabilities but may offer less torsional stiffness. Harder elastomers provide better torque transmission but may have reduced vibration isolation.
  • Elastomer Shape and Geometry: The shape and geometry of the elastomer elements influence their flexibility and deformation characteristics. Different designs, such as cylindrical, star-shaped, or spider-shaped elements, affect the coupling’s ability to accommodate misalignments and transmit torque smoothly.
  • Elastomer Bonding: The way the elastomer is bonded to the coupling’s hubs or inserts impacts the coupling’s overall durability and reliability. Proper bonding ensures that the elastomer effectively transfers torque and maintains its properties over time.
  • Elastomer Properties Over Temperature: Elastomers can exhibit changes in performance with temperature fluctuations. Understanding how the chosen elastomer material behaves at different temperatures is essential for applications with varying operating conditions.

The design of the elastomer elements is a delicate balance between providing flexibility for vibration isolation and misalignment compensation while ensuring adequate torque transmission and overall coupling stiffness. Engineers must carefully select elastomer materials and design features based on the specific requirements of the application to achieve optimal coupling performance.

rubber coupling

Industry Standards and Guidelines for Rubber Couplings

There are no specific industry standards or guidelines that exclusively govern the design and application of rubber couplings. However, various general standards and engineering practices apply to flexible couplings, including rubber couplings:

  • ISO 14691: This standard provides guidelines for the installation, use, and maintenance of industrial flexible couplings, which include rubber couplings.
  • AGMA 9005: The American Gear Manufacturers Association (AGMA) standard provides information on selecting lubricants and lubrication methods for flexible couplings, ensuring proper performance and longevity.
  • API 671: This API standard specifies the requirements for special-purpose couplings used in petroleum, chemical, and gas industry services, which can include rubber couplings for specific applications.
  • Manufacturer Recommendations: Many rubber coupling manufacturers provide guidelines, specifications, and installation instructions for their products, helping users select the right coupling and use it correctly.

Since rubber couplings fall under the category of flexible couplings, engineers and designers can follow these broader standards and best practices while considering the specific characteristics and performance requirements of rubber couplings for their applications.

rubber coupling

Utilization of Rubber Couplings in Mechanical Systems

A rubber coupling is a type of flexible coupling that utilizes rubber elements to connect two shafts while allowing a certain degree of misalignment and vibration damping. It is commonly used in mechanical systems to transmit torque, accommodate misalignment, and reduce shock and vibration. Here’s how rubber couplings are utilized:

  • Torque Transmission: Rubber couplings transmit torque from one shaft to another, enabling the transfer of power between components while allowing for slight angular, parallel, and axial misalignments.
  • Misalignment Compensation: These couplings can accommodate both angular and axial misalignments, which can occur due to manufacturing tolerances, thermal expansion, or other factors. The flexibility of the rubber element helps prevent excessive loads on connected equipment.
  • Vibration Damping: The elastic properties of rubber help dampen vibrations and shocks generated during the operation of rotating machinery. This prevents the transmission of harmful vibrations to other parts of the system and reduces wear and fatigue.
  • Noise Reduction: Rubber couplings help reduce noise by absorbing vibrations and minimizing the transmission of sound waves through the system.
  • Equipment Protection: By absorbing shocks and vibrations, rubber couplings protect sensitive equipment and components from damage, thereby extending their lifespan.
  • Simple Installation: Rubber couplings are relatively easy to install and require minimal maintenance, making them a convenient choice for various applications.
  • Wide Range of Applications: Rubber couplings find applications in various industries, including automotive, industrial machinery, pumps, compressors, and more.

In summary, rubber couplings are utilized in mechanical systems to transmit torque, accommodate misalignment, reduce vibration and shock, protect equipment, and enhance the overall performance and reliability of rotating machinery.

China high quality Carbon Steel Coupling for Rubber Hose  China high quality Carbon Steel Coupling for Rubber Hose
editor by CX 2023-11-16

China factory Carbon Steel Coupling for Rubber Hose

Product Description

carbon steel coupling for rubber hose

Specification:

 

PART NO THREAD E HOSE BORE DIMHangZhouONS
DN DASH A C S2
24211-04-04 9/16″×18 6 04 22.5 8.5 19
24211-04-05 9/16″×18 8 05 22.5 8.5 19
24211-04-06 9/16″×18 10 06 22.5 8.5 19
24211-06-04T 11/16″×16 6 04 23.5 10 22
24211-06-05T 11/16″×16 8 05 23.5 10 22
24211-06-06 11/16″×16 10 06 25.5 10 22
24211-06-08 11/16″×16 12 08 26 10 22
24211-08-05T 13/16″×16 8 05 25 11 27
24211-08-06T 13/16″×16 10 06 25 11 27
24211-08-08 13/16″×16 12 08 28 11 27
24211-08-10 13/16″×16 16 10 29 11 27
24211-10-08T 1″×14 12 08 29.5 11 30
24211-10-10T 1″×14 16 10 33.5 11 30
24211-10-12 1″×14 20 12 33.5 11 30
24211-12-08T 1.3/16″×12 12 08 30.5 12 36
24211-12-10T 1.3/16″×12 16 10 31.5 12 36
24211-12-12T 1.3/16″×12 20 12 33 12 36
24211-12-12 1.3/16″×12 20 12 35 12 36
24211-12-16 1.3/16″×12 25 16 36 12 36
24211-16-12T 1.7/16″×12 20 12 35 14.8 41
24211-16-14T 1.7/16″×12 22 14 34 14.8 41
24211-16-16T 1.7/16″×12 25 16 35 14.8 41
24211-16-20 1.7/16″×12 32 20 39.5 14.8 41
24211-20-16T 1.11/16″×12 25 16 35 15 50
24211-20-20W 1.11/16″×12 32 20 39.5 15 50
24211-20-24W 1.11/16″×12 40 24 39.5 15 50
24211-24-20T 2″×12 32 20 36 14.8 60
24211-24-24T 2″×12 40 24 36 14.8 60

The material  are always carbon steel, stainless steel or brass, and the material can be customized.

The surface of the ferrules are smooth, zinc plating or others customized.

Features:
High functionality
Precise design
Durable

carbon material:

Plant:

Warehouse:

Other products:

Swaged Metric Fittings Mertic Flat Seal Fittings 
Metric Multiseal Fittings
Metric 60°Cone Seal Fittings 
Metric 74°Cone Seal Fittings
Metric 24°Cone O-RING Seal L..T Fittings
Metric 24°Cone O-RING Seal H.T.Fittings
Metric Standpipe Straight Fittings
JIS Metric 60°Cone Seal Fitting
Swaged British Fittings BSP O-RING Seal Fittings 
BSP Flat Seal Fittings
BSP Multiseal Fittings
BSP 60°Cone Seal Fittings
BSPT Fittings
JIS BSP 60°Cone Seal Fittings
Swaged American Fittings SAE O-RING Seal Fittings 
ORFS Flat Seal Fittings
NPSM 60°Cone Seal Fittings
JIC 74°Cone Seal Fittings
NPT Fittings SAE Flange L.T. Fittiings
SAE Flange H.T.Fittings
Staplelok Fittings Banjo Double connection 
interlock Hose Fittings
Ferrule FERRULE for SAE100R1AT/ EN 853 1SN HOSE
FERRULE for SAE100R1A EN 853 1ST HOSE
FERRULE for SAE100R2AT/DIN20571 2SN HOSE
FERRULE for SAE100R2A/EN 853 2SN HOSE
FERRULE for SAE100R1AT-R2AT,EN853 1SN-2SN and EN 857 2SC
FERRULE for 4SP,4SH/10-16,R12-06-16 HOSE
FERRULE for 4SH,R12/32 HOSE
Metric Adapters Metric Thread O-RING Face Seal Adapters
Metric Thread Bite Type Tube Adapters
JIS Metric Thread 60°Cone Adapters
Metric Thread 74°Cone Flared Tube Adapters
British Adapters BSP Thread 60°Cone Adapters
JIS BSP Thread 60°Cone Adapters
BSPT Thread Adapters
American Adapters ORFS Adapters JIC 74°Cone Flared Tube Adapters
NPT Thread Adapters

We carries a wide variety of hydraulic hose ferrule fittings in common size,used mainly for crimping hose fittings.More other type ferrule,fitting and hose please feel free to contact with us.
 

rubber coupling

Suitability of Rubber Couplings for High-Speed Rotation and Varying Loads

Rubber couplings are generally well-suited for applications involving high-speed rotation and varying loads, thanks to their unique properties and design features.

High-Speed Rotation: Rubber couplings can effectively handle high-speed rotation due to their inherent flexibility and damping characteristics. The elastomeric material used in rubber couplings helps absorb and dissipate vibrations that can occur at high speeds, contributing to smoother operation and reduced wear on connected machinery components.

Varying Loads: Rubber couplings are capable of accommodating varying loads due to their ability to deform under stress. The flexibility of rubber allows it to absorb shocks and impacts caused by changes in load, preventing damage to connected equipment. This feature is particularly beneficial in applications where sudden changes in load can occur, such as in industrial machinery.

However, it’s important to consider the specific requirements of the application. While rubber couplings provide excellent vibration isolation and misalignment compensation, they may not offer the same level of torsional rigidity as some other coupling types. In cases where precise torque transmission is crucial, and minimal torsional deflection is required, other coupling options might be more suitable.

Overall, rubber couplings can provide reliable performance in applications involving high-speed rotation and varying loads, especially when the benefits of vibration damping and misalignment compensation are essential.

rubber coupling

Handling Torque and Vibration Suppression in Rubber Couplings

Rubber couplings are designed to effectively handle both high levels of torque transmission and vibration suppression. The flexibility and damping properties of rubber make it well-suited for these purposes:

  • Torque Transmission: Rubber couplings can transmit torque between shafts while accommodating angular misalignment. The rubber element flexes and deforms as torque is applied, allowing the coupling to transmit power even in misaligned conditions.
  • Vibration Suppression: Rubber’s inherent damping characteristics help absorb and dissipate vibrations and shocks generated during the operation of machinery. This feature reduces the transfer of vibrations to connected components, minimizing wear and enhancing overall system performance.

Engineers select the appropriate rubber material and coupling design to ensure that the coupling can effectively handle the required torque levels and provide the desired vibration suppression. Rubber couplings find applications in various industries where torque transmission and vibration damping are critical for smooth and reliable machinery operation.

rubber coupling

Transmitting Torque and Damping Vibrations with a Rubber Coupling

A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:

1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.

2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.

This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.

China factory Carbon Steel Coupling for Rubber Hose  China factory Carbon Steel Coupling for Rubber Hose
editor by CX 2023-11-16

China Hot selling CHINAMFG Flexible Rubber Coupling with Flange

Product Description

Yangbo flexible rubber coupling with flange

Basic Parameters: 

Specification:  DN50-DN8000
Compensator Axial and lateral
Bellows Material:  S. S. 304, 321, 316L
Other Parts Material:  Carbon steel, stainless steel, PTFE
Bellow Type Single layer or multi-layer
Connection type:  Welded
Design Temp.:  Max 1300 deg. C
Design Pressure:  Max 4.0MPa
Movement:  0-40 deg. 
Certification ISO9001
OEM/ODM Service Available for flexible metal tube
Testing:  1. Chemical analysis for material
2. Mechanical property testing for material
3. NDT will be carried out on all products
4. Pressure testing
5. Painting testing
6. Dimension and appearance quality inspection
7. Package inspection

Products Show: 

Features: 

1. Metal bellows to absorb large axial displacement between straight tube and support frame, and small horizontal displacement; 

2. To resolve minor deviation because of piping connection and eliminate the pipeline residual stress; 

3. All of our metal bellows are easy to clean and maintenance.    

 

Application Fields:    

 

Packaging & Shipping:       

 

 

Delivery Details: Within 10-15 days after receiving payment for metal hose

Packaging Details: Standard export wooden case for metal hose

Company Information: 

We are specialized in the manufacturing of all kinds of stainless steel expansion joints and flexible metal hose for over 20 years. 

We have achieved ISO 9001 quality system certification and Manufacture License Of Special Equipment Peoples’s Republic Of China. 

Advanced technology, good quality, reasonable price and good after-sales service, let us become the industry’s leading brand!          

 

 

 

FAQ:    

 

Q: How to pay express charges if order samples? 

A: For those customer, who has DHL, FedEx, TNT, UPS account, can give us your account and we will send the samples by freight collected. For those customers, who do not have an express account, we will calculate the express freight charge for you and you can pay the freight charge directly to our company account. Then we will delivery the samples of flexible metal hose by prepaid.    

 

Q: How to pay sample charges? 

A: You can pay to pur company account. When we received the sample fee, we will arrange to make the samples for you, The prepare tiome for sample of flexible metal hose will be 3-7 days.    

 

Q: How to order your items? 

A: If you have the drawings of products like flexible metal hose, send them to us, we can production the items according to your drawings perfectly! If you not have drawings, please tell us the size, material, quantity, pressure, medium of the item you want, then our technical section will provide drawings for you to confirm the right specification. Finally make you satisfied! 

rubber coupling

Suitability of Rubber Couplings for High-Speed Rotation and Varying Loads

Rubber couplings are generally well-suited for applications involving high-speed rotation and varying loads, thanks to their unique properties and design features.

High-Speed Rotation: Rubber couplings can effectively handle high-speed rotation due to their inherent flexibility and damping characteristics. The elastomeric material used in rubber couplings helps absorb and dissipate vibrations that can occur at high speeds, contributing to smoother operation and reduced wear on connected machinery components.

Varying Loads: Rubber couplings are capable of accommodating varying loads due to their ability to deform under stress. The flexibility of rubber allows it to absorb shocks and impacts caused by changes in load, preventing damage to connected equipment. This feature is particularly beneficial in applications where sudden changes in load can occur, such as in industrial machinery.

However, it’s important to consider the specific requirements of the application. While rubber couplings provide excellent vibration isolation and misalignment compensation, they may not offer the same level of torsional rigidity as some other coupling types. In cases where precise torque transmission is crucial, and minimal torsional deflection is required, other coupling options might be more suitable.

Overall, rubber couplings can provide reliable performance in applications involving high-speed rotation and varying loads, especially when the benefits of vibration damping and misalignment compensation are essential.

rubber coupling

Industries and Applications of Rubber Couplings

Rubber couplings are widely utilized in various industries and applications where their unique characteristics are beneficial. Some examples include:

  • Automotive: Rubber couplings are commonly used in automotive drivetrains to connect the engine to the transmission and other components. They help absorb engine vibrations and shocks, enhancing passenger comfort.
  • Pumping Systems: Rubber couplings find applications in pumps and fluid handling systems, where they dampen vibrations and reduce wear on connected equipment.
  • Material Handling: Conveyor systems and material handling equipment use rubber couplings to minimize vibrations and shock loads during the movement of materials.
  • Industrial Machinery: Rubber couplings are employed in various types of industrial machinery, such as compressors, generators, and gearboxes, to ensure smooth torque transmission and vibration isolation.
  • Marine: In marine applications, rubber couplings connect propulsion systems and power transmission components, contributing to the overall reliability and performance of vessels.
  • Renewable Energy: Wind turbines and solar tracking systems utilize rubber couplings to absorb dynamic loads and vibrations caused by changing wind conditions.

These examples highlight the versatility and importance of rubber couplings in maintaining efficient and reliable operation across a wide range of industries and applications.

rubber coupling

Factors to Consider When Selecting a Rubber Coupling

Choosing the right rubber coupling for a specific application involves considering various factors:

1. Torque Requirements: Evaluate the torque that needs to be transmitted between the input and output shafts. Select a coupling with a rubber element that can handle the required torque without exceeding its limits.

2. Misalignment Compensation: Determine the degree of misalignment (angular, axial, and radial) present in the system. Choose a rubber coupling with appropriate flexibility to accommodate the expected misalignment while maintaining efficient torque transmission.

3. Vibration Damping: Assess the level of vibrations and shocks in the application. Opt for a rubber coupling with effective vibration-damping properties to protect the machinery and enhance its reliability.

4. Service Environment: Consider the operating conditions, including temperature, humidity, exposure to chemicals, and potential contaminants. Select a rubber material that can withstand the environment without deteriorating.

5. Shaft Sizes: Ensure that the coupling’s bore sizes match the shaft diameters of the connected equipment. Proper shaft fitment is crucial for efficient torque transmission.

6. Maintenance Requirements: Evaluate the maintenance practices of the system. Some rubber couplings may require periodic inspection and replacement due to wear over time.

7. Cost and Budget: Factor in the budget constraints while choosing a suitable rubber coupling. Balancing performance and cost is essential for an optimal solution.

8. Application Type: Different industries and applications have unique requirements. Choose a coupling type (spider, jaw, tire, etc.) based on the specific needs of the application.

By carefully considering these factors, you can select a rubber coupling that provides efficient torque transmission, vibration isolation, and durability in your mechanical system.

China Hot selling CHINAMFG Flexible Rubber Coupling with Flange  China Hot selling CHINAMFG Flexible Rubber Coupling with Flange
editor by CX 2023-11-16

China Hot selling CHINAMFG Flexible Rubber Coupling with Flange

Product Description

Yangbo flexible rubber coupling with flange

Basic Parameters: 

Specification:  DN50-DN8000
Compensator Axial and lateral
Bellows Material:  S. S. 304, 321, 316L
Other Parts Material:  Carbon steel, stainless steel, PTFE
Bellow Type Single layer or multi-layer
Connection type:  Welded
Design Temp.:  Max 1300 deg. C
Design Pressure:  Max 4.0MPa
Movement:  0-40 deg. 
Certification ISO9001
OEM/ODM Service Available for flexible metal tube
Testing:  1. Chemical analysis for material
2. Mechanical property testing for material
3. NDT will be carried out on all products
4. Pressure testing
5. Painting testing
6. Dimension and appearance quality inspection
7. Package inspection

Products Show: 

Features: 

1. Metal bellows to absorb large axial displacement between straight tube and support frame, and small horizontal displacement; 

2. To resolve minor deviation because of piping connection and eliminate the pipeline residual stress; 

3. All of our metal bellows are easy to clean and maintenance.    

 

Application Fields:    

 

Packaging & Shipping:       

 

 

Delivery Details: Within 10-15 days after receiving payment for metal hose

Packaging Details: Standard export wooden case for metal hose

Company Information: 

We are specialized in the manufacturing of all kinds of stainless steel expansion joints and flexible metal hose for over 20 years. 

We have achieved ISO 9001 quality system certification and Manufacture License Of Special Equipment Peoples’s Republic Of China. 

Advanced technology, good quality, reasonable price and good after-sales service, let us become the industry’s leading brand!          

 

 

 

FAQ:    

 

Q: How to pay express charges if order samples? 

A: For those customer, who has DHL, FedEx, TNT, UPS account, can give us your account and we will send the samples by freight collected. For those customers, who do not have an express account, we will calculate the express freight charge for you and you can pay the freight charge directly to our company account. Then we will delivery the samples of flexible metal hose by prepaid.    

 

Q: How to pay sample charges? 

A: You can pay to pur company account. When we received the sample fee, we will arrange to make the samples for you, The prepare tiome for sample of flexible metal hose will be 3-7 days.    

 

Q: How to order your items? 

A: If you have the drawings of products like flexible metal hose, send them to us, we can production the items according to your drawings perfectly! If you not have drawings, please tell us the size, material, quantity, pressure, medium of the item you want, then our technical section will provide drawings for you to confirm the right specification. Finally make you satisfied! 

rubber coupling

Maintaining and Preserving Rubber Coupling Performance

To ensure the longevity and optimal performance of rubber couplings, the following best practices should be observed:

  • Regular Inspections: Perform visual inspections for signs of wear, cracks, or damage.
  • Lubrication: Apply appropriate lubricants to minimize friction and extend rubber life.
  • Alignment: Maintain proper alignment between connected shafts to prevent undue stress on the coupling.
  • Temperature Control: Monitor operating temperatures to prevent overheating that can accelerate rubber degradation.
  • Load Monitoring: Avoid overloading the coupling beyond its rated capacity.
  • Vibration Analysis: Monitor vibration levels and address excessive vibrations promptly.
  • Regular Maintenance: Follow manufacturer’s recommendations for maintenance schedules.
  • Replacement: Replace worn or damaged rubber elements as needed.

By adhering to these practices, the performance and service life of rubber couplings can be effectively preserved.

rubber coupling

Industry Standards and Guidelines for Rubber Couplings

There are no specific industry standards or guidelines that exclusively govern the design and application of rubber couplings. However, various general standards and engineering practices apply to flexible couplings, including rubber couplings:

  • ISO 14691: This standard provides guidelines for the installation, use, and maintenance of industrial flexible couplings, which include rubber couplings.
  • AGMA 9005: The American Gear Manufacturers Association (AGMA) standard provides information on selecting lubricants and lubrication methods for flexible couplings, ensuring proper performance and longevity.
  • API 671: This API standard specifies the requirements for special-purpose couplings used in petroleum, chemical, and gas industry services, which can include rubber couplings for specific applications.
  • Manufacturer Recommendations: Many rubber coupling manufacturers provide guidelines, specifications, and installation instructions for their products, helping users select the right coupling and use it correctly.

Since rubber couplings fall under the category of flexible couplings, engineers and designers can follow these broader standards and best practices while considering the specific characteristics and performance requirements of rubber couplings for their applications.

rubber coupling

Role of Rubber Flexibility in Accommodating Misalignment

Rubber couplings are designed with a flexible element, usually made of elastomers, that plays a crucial role in accommodating misalignment between connected shafts. The flexibility of the rubber element allows it to deform and absorb angular, axial, and radial misalignments, providing several benefits:

1. Angular Misalignment: When the input and output shafts are not perfectly aligned in terms of angle, the rubber element can flex and twist, allowing the coupling to transmit torque even when the axes are not parallel.

2. Axial Misalignment: Axial misalignment occurs when the shafts move closer together or farther apart along their axis. The rubber element can compress or extend, adjusting the distance between the shafts without hindering torque transfer.

3. Radial Misalignment: Radial misalignment refers to the offset between the centers of the shafts. The rubber element can bend in response to radial displacement, ensuring that the coupling remains operational while accommodating the offset.

This flexibility not only enables the rubber coupling to handle misalignment but also helps prevent excessive stress on the connected machinery. By absorbing shock loads and distributing forces, the rubber element reduces wear and tear on components and minimizes the risk of premature failure.

In essence, the rubber’s flexibility in the coupling acts as a buffer against misalignment-induced stresses, contributing to smoother operation, improved longevity, and reduced maintenance in mechanical systems.

China Hot selling CHINAMFG Flexible Rubber Coupling with Flange  China Hot selling CHINAMFG Flexible Rubber Coupling with Flange
editor by CX 2023-11-16

China Best Sales PU T Type Couplings

Product Description

    Cast polyurethanes are a diverse and versatile group of materials that are known for abrasion resistance, chemical resistivity, stability in water, ease of processing and relative low cost. Cast polyurethanes are found in almost every industry. Molds for cast urethanes are relatively inexpensive and can be made from a variety of materials.
Cast polyurethanes are a good substitute for a number of materials where improved performance is required. Urethanes can be made as soft as gum rubber or as hard as a golf ball. In fact, most golf balls are polyurethane!
Cast polyurethanes are elastomers and are created by the reaction of a prepolymer which contains reactive isocyanate groups and a curative which contains hydroxyl or amine groups. In their simplest form, these 2 components, the prepolymer and curative are the only chemicals in the mix. The mixture is then poured into a heated mold where the components react to form a CHINAMFG elastomeric piece.
Highlight
1. It is the most versatile, toughest, abrasion resistance elastomer available. It is as soft as Shore A durometer 10 and hard as Shore D scale durometer 85.
2. It could be cast into practically any shape, size or complex geometry desired wheels, gears, O rings, gaskets, tires, roller blades, skate boards etc.
3. It can be formulated with high resistance to stresses and it tends to maintain shape and mechanical properties aster fatigue stressing.
4. Casting Polyurethane maybe pigmented to resist degradation by elevated atmospheric oxygen and CHINAMFG atmospheric concentrations.
5. Many cast polyurethane elastomers compounds remain flexible at extreme low temperatures and possess outstanding resistance to thermal shock. Low temperature resistance of polyurethanes make cast parts very practical in extreme arctic conditions.
6. Casting polyurethane parts can be made flame resistance by incorporating flame retardants into their formulas.
7. Polyurethane can be cast with coefficients of friction varying from very low, for items like bushings, bearings or wear strips, or very high, for items like tries or rollers.

In general, designing for casting polyurethane is identical to designing for any plastic, molded or injection molded. Our CHINAMFG company could produce any parts basing on clients requirements like drawings or samples etc.

 

Item   ID(mm)  OD(mm)  Thickness  (mm)  Wings No.
T-40 18 40 10 6
T-45 20 45 10 6
T-56 27 56 15 8
T-62 30 62 14 6
T-65 30 65 15 6
T-75 35 75 15 6
T-79 40 79 15 6
T-90 45 90 18 6
T-94 45 94 18 6
T-104 55 104 23 6
T-108 55 108 24 6
T-126 60 126 28 6
T-133 60 133 25 6
T-154 79 154 27 6
T-170 80 170 28 6
T-175 85 175 30 8
T-180 90 180 30 6
T-200 100 200 36 6

rubber coupling

Maintaining and Preserving Rubber Coupling Performance

To ensure the longevity and optimal performance of rubber couplings, the following best practices should be observed:

  • Regular Inspections: Perform visual inspections for signs of wear, cracks, or damage.
  • Lubrication: Apply appropriate lubricants to minimize friction and extend rubber life.
  • Alignment: Maintain proper alignment between connected shafts to prevent undue stress on the coupling.
  • Temperature Control: Monitor operating temperatures to prevent overheating that can accelerate rubber degradation.
  • Load Monitoring: Avoid overloading the coupling beyond its rated capacity.
  • Vibration Analysis: Monitor vibration levels and address excessive vibrations promptly.
  • Regular Maintenance: Follow manufacturer’s recommendations for maintenance schedules.
  • Replacement: Replace worn or damaged rubber elements as needed.

By adhering to these practices, the performance and service life of rubber couplings can be effectively preserved.

rubber coupling

Common Rubber Materials Used in Manufacturing Rubber Couplings

Various rubber materials are used in the manufacturing of rubber couplings, each chosen based on its specific properties and the intended application:

  • Neoprene: Known for its oil and chemical resistance, neoprene rubber is used in couplings that require durability and resistance to harsh environments.
  • Nitrile: Nitrile rubber offers excellent oil and fuel resistance, making it suitable for applications in machinery that involve contact with lubricants.
  • Natural Rubber: Natural rubber provides good elasticity and flexibility, making it suitable for couplings requiring high levels of shock and vibration absorption.
  • EPDM: Ethylene Propylene Diene Monomer (EPDM) rubber offers good resistance to weather, ozone, and aging, making it suitable for outdoor or high-temperature applications.
  • Polyurethane: Polyurethane rubber offers high abrasion resistance and can handle higher load capacities, making it suitable for heavy-duty applications.

The choice of rubber material depends on factors such as the operating environment, chemical exposure, temperature range, flexibility requirements, and load conditions. Engineers select the appropriate rubber material to ensure the coupling’s performance and longevity in specific applications.

rubber coupling

Challenges of Misaligned Rubber Couplings and Their Resolution

Misaligned rubber couplings can lead to several challenges that impact the performance and reliability of machinery. These challenges include:

1. Reduced Efficiency: Misalignment can result in increased friction, causing energy loss and reduced efficiency in power transmission.

2. Increased Wear: Misaligned rubber couplings can cause uneven wear on the coupling’s rubber element and other connected components, leading to premature failure.

3. Vibrations and Noise: Misalignment can cause vibrations and noise, which not only affect the machinery’s operation but also contribute to discomfort for operators.

4. Overloading: Misalignment can lead to uneven loading on the coupling and connected components, potentially causing overloading and damage.

5. Premature Failure: Continuous operation with misaligned couplings can accelerate wear and fatigue, leading to premature failure of the coupling and other components.

To resolve these challenges, proper alignment practices are crucial:

1. Regular Maintenance: Perform routine inspections to identify misalignment and other issues early, allowing for timely adjustments.

2. Precise Installation: Ensure accurate alignment during the installation process to prevent initial misalignment.

3. Laser Alignment: Use laser alignment tools for accurate and reliable alignment between shafts.

4. Corrective Measures: If misalignment is detected, take corrective actions promptly to restore proper alignment.

5. Balancing Loads: Distribute loads evenly across the coupling and connected components to prevent overloading.

By addressing misalignment challenges proactively and adopting appropriate maintenance practices, the longevity and performance of rubber couplings can be significantly improved, minimizing downtime and maintenance costs in industrial applications.

China Best Sales PU T Type Couplings  China Best Sales PU T Type Couplings
editor by CX 2023-11-13