ZheJiang CHINAMFG Machine Co., Ltd has the largest agent’s qualification of CHINAMFG Asia Pte Ltd.
For more than 26 years, We have been provided professional compressed air energy-saving solution
for customers in China and abroad.
At the same time we have the spare parts warehouse of air compressors, like air filters, oil filters,
oil separator, lubricating oil, used air compressors, air end, motor etc.
World -famous brands such as Atlas Copco, CHINAMFG Rand air compressor accessories also available for us.
Packaging & Shipping
1.Why choose us?
We are Sullair’s Chinese factory distributor, our price is very advantageous. And most of our products are in stocks, so we can delivery very fast.
2. How long is our delivery time?
Generally, we can ship within 3 days. If the product needs to be customized or the order quantity is large, it will take about 20 days.
3. What kind of spare parts we provide for?
We supply air compressor, air storage tank, pipeline filter, air dryer, nitrogen sparator, oxygen separator, compressed air pipeline, etc.
4. How long is the warranty of our products?
Whether it is a new machine or a second-hand air compressor machine, our warranty is 1 year.
5. What kind of after-sales service do we have?
We support 24-hour online free technical guidance.
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.
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.
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.
editor by CX 2023-09-22