China factory CHINAMFG 250A & 250as Flexible Natural Rubber Shaft Coupling of Excavator Spare Parts

Product Description

Product Decription

Ynf 250A&250as Flexible Natural Rubber Shaft Coupling of Excavator Spare Parts


Place of Origin HangZhou ,China (Mainland)
Brand Name YNF
Model 250A/250AS
Material Rubber & Steel
Color Black
Apply to Excavator or Digger

Packaging & Delivery

Packaging Details:  Paper box packing per piece and 40pcs into 1 carton
Delivery Detail:  Within 3 workingdays after payment

A and AS Type


Related Coupling Part number
1316/0408Z 229/01526 1316/0305Z 1370/0603Z 229/01526 1420/0008Z KHJ0950 1391/3210Z
817/18824 229/01527 1316/0303Z KHR571 229/01527 1391/3210Z 332/K7887 1420/0007Z
JHP0080 229/01268 JHP0046 KSJ2465 229/01268 1420/0007Z 1420/0011Z 331/18592
332/P1501 JHJ0123 KHJ 0571 1316/0405Z 331/35578 4101/0500 1370/0603Z 1316/0305Z
332/P1531 331/18592 KHJ 0571 1316/0408Z 331/18592 1316/0305Z KHR571 1316/0303Z
229/01518 25/222891 KHJ0947 JHP0080 25/222891 1316/0303Z KSJ2465 JHP0046
229/01723 25/222892 KHJ0948 332/P1501 25/222892 JHP0046 1316/0405Z KHJ 0571
1391/3210Z 1391/3208Z KHJ0950 332/P1531 1391/3208Z KHJ 0571 1316/0408Z KHJ 0571
1420/0007Z 1316/0407Z 332/K7887 229/01518 1316/0407Z KHJ 0571 817/18824 KHJ0947
331/18592 1420/0008Z 1420/0011Z 229/01723 229/01526 KHJ0947 JHP0080 KHJ0948
331/18592 25/222892 1316/0407Z 229/01518 229/01527 KHJ0948 332/P1501 KHJ0950
25/222891 1391/3208Z 1420/0008Z 229/01723 229/01268 JHJ0123 332/P1531 332/K7887

Company Information



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flexible gear coupling

Materials Used in Manufacturing Flexible Gear Couplings and Their Impact on Performance

Flexible gear couplings are designed to transmit torque while accommodating misalignments and reducing vibrations. The choice of materials for manufacturing these couplings plays a crucial role in their overall performance and suitability for specific applications. Some common materials used in flexible gear couplings include:

  • Steel: Steel is a popular material for flexible gear couplings due to its high strength and durability. It can handle substantial torque loads and provides good resistance to wear and fatigue. Steel couplings are commonly used in heavy-duty applications, such as steel mills, mining, and power generation.
  • Stainless Steel: Stainless steel is used when corrosion resistance is required, making it suitable for applications in corrosive environments like the marine, chemical, and petrochemical industries.
  • Alloy Steel: Alloy steel is used to improve specific properties, such as hardness and heat resistance. It is often employed in high-temperature applications found in steel processing and power generation.
  • Cast Iron: Cast iron is known for its excellent wear resistance and damping capabilities. It is used in applications where shock absorption and vibration reduction are critical, such as pumps and compressors.
  • Aluminum: Aluminum is lightweight and offers good corrosion resistance, making it suitable for applications where weight reduction is important, such as aerospace and certain industrial machinery.
  • Bronze: Bronze is used for its self-lubricating properties and resistance to wear. It is often found in couplings used in low-speed applications, such as conveyor systems.
  • Nylon and Plastics: Nylon and other plastics are used in some couplings where electrical isolation and lightweight properties are essential, such as in medical equipment and certain automation systems.

The selection of materials depends on the specific requirements of the application, including torque, speed, temperature, environmental conditions, and the presence of corrosive substances. Proper material selection ensures that the flexible gear coupling can operate efficiently and reliably, providing optimal performance and minimizing maintenance needs.

flexible gear coupling

Handling Torsional Stiffness and Dynamic Balancing in Flexible Gear Couplings

Flexible gear couplings are designed to effectively handle torsional stiffness and dynamic balancing in rotating machinery. Here’s how they achieve this:

  • Torsional Stiffness: Flexible gear couplings are engineered to provide a certain level of torsional stiffness while still allowing for some flexibility. This stiffness helps transmit torque efficiently from one shaft to another, ensuring minimal power loss. The flexibility of the coupling allows it to accommodate misalignments and shock loads, reducing the risk of damage to connected equipment.
  • Dynamic Balancing: Proper dynamic balancing is crucial in rotating machinery to prevent vibrations that could lead to premature wear and damage. Flexible gear couplings are designed to have symmetrical and evenly distributed masses. This helps minimize any dynamic imbalances that could occur during rotation, resulting in smoother and more stable operation.

The combination of torsional stiffness and dynamic balancing in flexible gear couplings makes them suitable for various industrial applications, providing reliable power transmission while dampening vibrations and accommodating misalignments. It ensures that the connected machinery operates efficiently and with reduced wear and tear, resulting in longer equipment lifespan and enhanced overall system performance.

flexible gear coupling

Flexible Gear Coupling: Function and Operation

A flexible gear coupling is a type of mechanical coupling used to connect two shafts in a power transmission system. It consists of two hubs with external gear teeth and an elastomeric flexible element between them. The flexible element can be made of materials such as polyurethane, rubber, or synthetic materials with high torsional flexibility and damping properties.

The function of a flexible gear coupling is to transmit torque between the connected shafts while accommodating misalignments and absorbing shocks and vibrations. When the shafts are misaligned due to angular, parallel, or axial displacements, the flexible element allows the hubs to move relative to each other, thus minimizing the transmission of misalignment forces to the connected machinery.

The operation of a flexible gear coupling involves the following steps:

  1. The torque from the driving shaft is transmitted to the first hub with external gear teeth.
  2. The external gear teeth on the first hub mesh with the internal gear teeth on the flexible element.
  3. As the flexible element deforms under torque and misalignment, it allows the second hub to rotate while maintaining contact with the first hub.
  4. The torque is then transmitted from the flexible element to the second hub, which drives the driven shaft.

The flexibility of the elastomeric element in a flexible gear coupling allows it to dampen vibrations and shocks that may occur during operation, thereby protecting the connected equipment from potential damage. Additionally, its ability to accommodate misalignment reduces stress on the shafts and bearings, extending the life of the power transmission system.

China factory CHINAMFG 250A & 250as Flexible Natural Rubber Shaft Coupling of Excavator Spare Parts  China factory CHINAMFG 250A & 250as Flexible Natural Rubber Shaft Coupling of Excavator Spare Parts
editor by CX 2024-03-14


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