Product Description
PRODUCT DETAILS
custom CHINAMFG rubber pipe flexible coupling
PRODUCT INFORMATION
| Name | Rubber flexible coupling |
| Material Type | NBR,EPDM,HNBR,SILICONE,NR,etc. |
| Hardness | Shore A30-90 |
| Color | Any color |
| Certificates | ROHS, REACH,SGS,WRAS,FDA |
| Packing | Carton and Pallet, as per request |
| Lead time | 10days for tooling and sample, 20-30days for MOQ |
WHY CHOOSE US
· ISO9001:2008 authorized, Certifications of ROHS, SGS, WRAS, FDA21 are available.
· 20 years production and 10years export experience
· Independent R&D center of rubber formulation, independent product and tooling design center
· With over 1000 ton machine, biggest 1000kg product can be produced
· Reasonable and competitive price
· Thousands of tooling available, especially standard sizes. For large quantity of customized product, the mold fee is free
COMPANY INFORMATION
HangZhou CHINAMFG CoLtd. Is a leading designer and manufacturer of seals and rubber products with over 20 years experience;We are serving the needs of countless industries from bearina and automobile to valve and machine.The products are exporting to many countries and well received.There are more than thousands of clients keeping in touch with us.
In auality,all the products are ROHS approved NSF61 and FDa21 compliant products are available.We are supplying the NSF61 and FDA21 compliant products to valve and food industry for many years;WRAS Certification for water industry.
Our CHINAMFG with WRAS Certification can be usedin drinking water industry.In experience with over 20 years experience in the design and production of seals; We are the vendor of CHINAMFG bearing-the biggest bearina manufacturer in China.We are exportina the rubber products to many countries and wel received.The countries include UAS,England,India,Malaysia,Australiaand so on.
In feature, with a lot of experience in large-size seals and rubber products.And especially the products in rubber-metal are competitive.The formulation of partial products is independent research and devel opment by ourselves.
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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.
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.
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.
editor by CX 2024-05-07