Product Description

air compressor parts rubber hydraulic shaft flexible coupling
1.coupling size :20R,30R,40R,50R,60R,70R
2. coupling color : green
3. pack: Standard coupling packing
4.warranty: Half a Year
5. other name:shaft coupling,flexible coupling
Dear Sir,

    It gives us great pleasure to introduce ZAKF oil injected rotary screw air Compressor. Our company Honkong CHINAMFG Industry Limited is a large enterprises which is professional in air compressor and air compressor parts research, development and research. ZAKF is 1 of a famous compressor brand belong to Honkong CHINAMFG Industry Limited , ZAKF screw air compressor shipped to CHINAMFG customer in Malaysia,Vietnam, Singapore, Indonesia, Thailand, India, Bangladesh,Sri Lanka, Mauritius, Australia, Saudi Arabia, Israel, Russia, Croatia, Brazil, Peru, USA, Mexico, Canada, Dominican Republic…. widely used in diverse industry.
    CHINAMFG compressor design, manufacturing at a high starting point, advanced technology, superior level of systemization, its core competencies to guide the development trend of industry, stable and reliable. CHINAMFG import advanced technology from Europe, through constant practice and improvement, design a new generation of ZAKF air compressor.
    Improved quality assurance manual, advanced production process, control management program files comprehensive, standardized, ensuring high quality brand products “ZAKF”, stable and durable. High quality, intimate service get the praise from users all over the world.
Our Product include:
Scrrew air comrepssor, Scrrew air comrepssor Airend, Used Scrrew air comrepssor,
OEM Scrrew air comrepssor, air dryer
Oil free spare parts, Shaft Seal/ Sleeve ,Sensor
Screw air compressor Solenoid Valve/ Thermostat Valve/ Air intake Valve / Minimum Pressure Valve
Scrrew air comrepssor Blow Off Valve/ Drain Valve / Wheel Gear / Oil Level Indicator/ Master Controller
Scrrew air comrepssor Service Kits / Air Filter / Oil Filter / Oil separator / Filter element /Lubrictaed oil

Temperature Sensor P.N
1 0571 7107 1 0571 7144 1 0571 7164 1 0571 7101 1 0571 7102 1 0571 7103 1 0571 7105 1 0571 7 1 0571 7141 1 0571 7140 1 0571 7116 1 0571 7155 1 0571 7151

1089958/44 23748593

Gear Set P.N
1622571/26/28 //1622311571/28/30/34/36/42/44/46/50/54
1622311055/56/60/64/66 1614933/16149308/11/13/23/25/27/31/33/37 162257171//28 1613965/81/83 39875539 39877618 39929435

39853791 39853809 42852483 39883186 39921713 39853775 39853775 39853783 39875539

Cooler P.N
161383 0571 162175712 16217 54365945 12571739 10571561 16223931 8829 25

16138366 16136673 16139509

Air Filter P.N
/16215743/16139014

1616560480 1616651280

1616728190

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.

Comparison of Rubber Couplings with Other Flexible Coupling Types

Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:

Rubber Couplings:

• Transmit torque while damping vibrations through the flexibility of rubber elements.
• Provide good misalignment compensation and shock absorption.
• Relatively simple construction and cost-effective.
• Effective in reducing noise and vibration in applications.
• Suitable for moderate to high torque applications with moderate misalignment.

Elastomeric Couplings:

• Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
• Offer higher torque capacity and stiffness compared to rubber couplings.
• Provide better misalignment compensation and torsional stiffness.
• Wider range of sizes and configurations for various applications.
• Commonly used in pumps, compressors, and other machinery.

Disc Couplings:

• Use a series of metal discs to transmit torque and accommodate misalignment.
• Offer high torsional stiffness and accuracy in torque transmission.
• Can handle higher speeds and torque compared to rubber or elastomeric couplings.
• Require precision in manufacturing and installation.
• Used in applications requiring high precision and minimal backlash.

When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.

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 2023-12-06