Product Description

Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centafle

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 Model  Outer Diameter(mm)  Inner Diameter(mm)  Hight(mm)  Diameter from Hole to Hole(mm)  Weight(kg)
4A/4AS 103 53 28 68 0.18
8A/8AS 134 71 32 88 0.26
16A/16AS 160 80 41 110 0.54
22A/22AS 165 86 41 128 0.66
25A/25AS 183 102 46 123 0.78
28A/AS         0.88
30A/30AS 213 117 57 145 1.28
50A/50AS 220 123 57 165 1.48
80A/80As 225 120 65 167 1.92
90A/90As 278 148 70 190 3.1
140A/140AS 285 151 71 215 3.42
250A/250AS         6.6
284B         6.34
4, 4655134, EX3, ZAX460MTH, ZAX480MTH, 4636444, ZX470-3, EX470, ZAX470, ZAX450-3, ZAX450-3F, ZAX5, Atlas Copco,,

 

AC 385,  AC 396, AC415, AC416, AC 455, AC485,

AC 486,  AC86, AC836, AC976, AC 6-712, 4DNV98

Chinese Brand Excavators: 

LGK: 6085, 200

CLG 60, 205, 220, 906, 907, 908, 920, 925, 936, CLG906C, CLG922LG

YC50-8, YC60-8, YC60-8, YC135-8, YC230, YC230-8, YC230LC-8, YC360, YC85, YC50,  YC85-7, YC60-7, YC135

SW50, 60, 70, 150

FR85-7, FR65, FR80, FR150-7,

ZL 60, 205, 230, 360 

SY55, SY60, SY215, SY230, SY210, SY220, SY310 
 

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flexible coupling

How do flexible couplings handle shaft misalignment in rotating equipment?

Flexible couplings are designed to handle shaft misalignment in rotating equipment, providing several key features that allow them to accommodate misalignment effectively. Here’s how they work:

  • Angular Misalignment: Flexible couplings can handle angular misalignment, which occurs when the axes of the connected shafts are not perfectly aligned. The coupling’s flexible elements allow for slight angular deviation, ensuring that the torque can still be transmitted smoothly between the shafts.
  • Parallel Misalignment: Parallel misalignment occurs when the connected shafts are not perfectly in line but run parallel to each other. Flexible couplings can compensate for this misalignment by utilizing their ability to flex or slide, allowing the shafts to remain connected while maintaining rotational integrity.
  • Axial Misalignment: Axial misalignment refers to the situation where the connected shafts have a slight axial displacement. Some flexible couplings have specific designs to handle axial misalignment, allowing for limited movement along the axial direction without compromising the connection between the shafts.
  • Double Flexing: Certain types of flexible couplings, such as the double-flexing couplings, can accommodate both angular and parallel misalignments simultaneously. These couplings use two sets of flexible elements to achieve this capability, providing a higher degree of misalignment compensation.

Overall, the flexibility of the coupling’s material and design allows it to bend, flex, or slide in response to the misalignment, reducing the stress on the connected equipment and ensuring smooth power transmission. By accommodating misalignment, flexible couplings help prevent premature wear, reduce vibration, and extend the service life of the rotating equipment.

flexible coupling

Can flexible couplings be used in marine and automotive applications?

Yes, flexible couplings are commonly used in both marine and automotive applications. They offer various advantages that make them suitable for these industries:

  • Misalignment Compensation: In marine and automotive systems, there can be misalignments due to factors such as hull flexing in marine vessels or engine movements in vehicles. Flexible couplings can accommodate these misalignments, ensuring efficient power transmission between the engine and the propeller or wheels.
  • Vibration Damping: Both marine and automotive environments experience vibrations from engines, propellers, or road conditions. Flexible couplings help dampen these vibrations, reducing wear on components and enhancing the comfort of passengers or crew members.
  • Shock Load Absorption: Marine vessels and vehicles can encounter shock loads during operation, especially in rough sea conditions or uneven terrains. Flexible couplings can absorb and dissipate the impact of these shock loads, protecting the drivetrain and transmission components.
  • Compact Design: Space is often limited in marine vessels and automotive systems. Flexible couplings come in various compact designs, making them suitable for applications with restricted installation space.
  • Corrosion Resistance: Marine environments expose components to corrosive seawater, while automotive systems may encounter exposure to road salt and other corrosive substances. Flexible couplings made from corrosion-resistant materials, such as stainless steel or non-metallic compounds, are ideal for these applications.
  • Easy Maintenance: Flexible couplings with self-lubricating features or low maintenance requirements are well-suited for marine and automotive applications, where regular maintenance can be challenging.
  • High Torque Capacity: Automotive systems, especially in heavy-duty vehicles, require couplings that can handle high torque levels. Flexible couplings designed for automotive use offer high torque capacity and reliability.

Overall, the adaptability, vibration damping, and misalignment compensation provided by flexible couplings make them suitable for various marine and automotive applications. Whether used in boats, yachts, ships, cars, trucks, or other vehicles, flexible couplings contribute to smooth and reliable power transmission, leading to improved performance and reduced maintenance requirements.

flexible coupling

Can you explain the different types of flexible coupling designs available?

There are several types of flexible coupling designs available, each with its unique construction and characteristics. These designs are tailored to meet specific application requirements and address different types of misalignment and torque transmission needs. Here are some of the most common types of flexible couplings:

  • Jaw Couplings: Jaw couplings consist of two hubs with curved jaws and an elastomer spider placed between them. The spider acts as a flexible element and can compensate for angular and parallel misalignment. Jaw couplings are widely used in various industrial applications due to their simple design and effectiveness in handling misalignment and vibration damping.
  • Disc Couplings: Disc couplings use thin metallic discs with a series of alternating slits and flanges to connect the shafts. The disc coupling design allows for excellent misalignment compensation, including angular, parallel, and axial misalignment. Disc couplings are known for their high torsional stiffness and precise torque transmission capabilities.
  • Gear Couplings: Gear couplings consist of toothed hubs connected by an external sleeve with gear teeth. They are well-suited for applications with high torque and moderate misalignment. Gear couplings offer good misalignment compensation and high torque capacity, making them popular in heavy-duty industrial applications.
  • Beam Couplings: Beam couplings use a single piece of flexible material, often a metal beam, to connect the shafts. The material’s flexibility allows for angular and axial misalignment compensation. Beam couplings are compact, lightweight, and provide low inertia, making them suitable for applications with high-speed requirements.
  • Bellows Couplings: Bellows couplings consist of a bellows-like flexible structure that connects the two hubs. They can compensate for angular, parallel, and axial misalignment. Bellows couplings are known for their high torsional stiffness and ability to maintain constant velocity transmission.
  • Oldham Couplings: Oldham couplings use three discs, with the middle one having a perpendicular slot. This design allows for angular misalignment compensation while transmitting torque between the hubs. Oldham couplings are often used when electrical isolation between shafts is required.

Each flexible coupling design has its strengths and limitations, and the choice depends on factors such as the application’s torque requirements, misalignment conditions, operating environment, and speed. Proper selection of the coupling type ensures optimal performance, efficiency, and reliability in various mechanical systems and rotating machinery.

China factory Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex  China factory Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex
editor by CX 2024-05-17