Product Description

Cone Ring flexible coupling,

1. The coupling consists of 2 hubs: One pin hub with the corresponding pins and a bush hub.

2. The torque is transmitted via the steel pins with their taper elastomer rings and the corresponding bores  

     in  the bush hub.

3. The couping is maintenance-free an is used in general engineering and the pump industry.

4. Customized requirement is available.

size Torque/Nm Kw/100 RPM Max Speed RPM
571 50 0.56 6500
030 110 1.2 5470
038 190 2 5260
042 290 3 4750
048 480 5 4050
058 760 8 3600
070 1000 11 3220
075 2600 27 2730
085 3500 37 2480
105 5300 56 2100
120 9000 94 1880
135 12223 128 1660
150 16000 167 1520

ZheJiang Shine Transmission Machinery Co., Ltd is specialized in manufacturing and selling transmission products.

Our products are exported to the world famous machinery company in Europe, America, South Africa, Australia, Southeast Asia etc.

Our main products include: European pulley, American pulley, Couplings, taper bushing, QD bush, lock element, adjustable motor base, motor rail, sprockets, chain, bolt on hubs, weld on hubs, jaw crusher equipment & spare parts and all kinds of non-standardcasting products etc.
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fluid coupling

What are the Differences between Fluid Couplings and Mechanical Clutches?

Fluid couplings and mechanical clutches are both components used in power transmission systems, but they operate on different principles and have distinct characteristics:

  1. Operating Principle:
    • Fluid Coupling: A fluid coupling uses hydraulic fluid to transmit torque. It consists of an impeller and a runner immersed in a fluid-filled chamber. When the input shaft (driving member) rotates, it imparts motion to the fluid, which in turn drives the output shaft (driven member).
    • Mechanical Clutch: A mechanical clutch relies on physical contact between friction surfaces to transmit torque. When engaged, the clutch plates or discs press against each other, creating a mechanical link between the input and output shafts.
  2. Slippage:
    • Fluid Coupling: Fluid couplings allow a certain degree of slippage between the input and output shafts. This slippage provides a smooth start and helps protect the machinery from shock loads.
    • Mechanical Clutch: Mechanical clutches have minimal slippage when engaged, providing a direct and rigid connection between the input and output shafts.
  3. Control:
    • Fluid Coupling: Fluid couplings provide automatic torque transmission without the need for manual engagement or disengagement.
    • Mechanical Clutch: Mechanical clutches require manual actuation to engage or disengage, allowing for precise control over power transmission.
  4. Heat Dissipation:
    • Fluid Coupling: Fluid couplings dissipate heat generated during operation, which helps prevent overheating of the system.
    • Mechanical Clutch: Mechanical clutches may generate more heat due to friction, requiring additional cooling mechanisms in high-power applications.
  5. Applications:
    • Fluid Coupling: Fluid couplings are commonly used in heavy machinery, such as mining equipment, crushers, and conveyors, where shock absorption and smooth starts are crucial.
    • Mechanical Clutch: Mechanical clutches are prevalent in applications where precise engagement and disengagement are required, such as automotive transmissions and manual industrial machinery.

While both fluid couplings and mechanical clutches serve the purpose of transmitting torque, their different operating principles and features make them suitable for specific applications and operating conditions.

fluid coupling

Fluid Coupling: Dealing with Oil Leakage and Sealing Issues

Fluid couplings are designed to be sealed units to prevent the leakage of the internal fluid (usually oil or a similar hydraulic fluid). Proper sealing is crucial for the efficient and reliable operation of the fluid coupling, as any oil leakage can lead to reduced performance, contamination, and potential damage to the surrounding components.

Here are some key factors related to oil leakage and sealing issues in fluid couplings:

  • Seal Design: The sealing system in a fluid coupling typically involves shaft seals and gaskets. High-quality seals are essential to prevent oil from escaping and contaminants from entering the coupling. The design and material selection of these seals play a significant role in maintaining effective sealing.
  • Installation: Proper installation of the fluid coupling is critical to ensure that the seals are correctly positioned and securely fitted. Any misalignment or damage during installation can lead to oil leakage issues.
  • Maintenance: Regular maintenance is essential to detect and address any potential sealing problems early on. Inspections should be conducted periodically to check for signs of oil leakage, wear on the seals, and any damage to the coupling housing.
  • Fluid Selection: The choice of fluid used inside the coupling can also influence its sealing performance. Using the recommended fluid type and quality specified by the manufacturer is essential for maintaining proper sealing.
  • Operating Conditions: The operating environment can impact the sealing effectiveness. Extreme temperature variations or harsh working conditions may affect the integrity of the seals over time.

If oil leakage or sealing issues are observed in a fluid coupling, immediate action should be taken to address the problem. This may involve replacing worn-out seals, resealing the coupling, or investigating potential causes such as misalignment or excessive heat generation.

Additionally, regular inspection and maintenance of the fluid coupling can help prevent sealing problems before they escalate. Early detection and appropriate maintenance can extend the lifespan of the fluid coupling and ensure reliable power transmission in various industrial applications.

Consulting with the manufacturer or a qualified engineer for guidance on proper maintenance and troubleshooting of fluid coupling sealing issues is recommended.

fluid coupling

Fluid Couplings and Energy Efficiency in Power Transmission

Fluid couplings play a significant role in improving energy efficiency in power transmission systems. They achieve this by enabling smooth and efficient torque transmission while reducing energy losses during various operating conditions.

One of the key factors contributing to the energy efficiency of fluid couplings is their hydrodynamic principle of operation. When power is transmitted through a fluid coupling, it operates on the principle of hydrodynamic power transmission. The primary component, known as the impeller, rotates and imparts motion to the fluid inside the coupling. This motion creates a hydrodynamic force that transmits the torque to the output side.

During the initial startup or when there is a significant speed difference between the input and output shafts, the fluid coupling allows the input shaft to accelerate gradually. This feature, known as the soft start, reduces the mechanical stress on the connected components and the power source. By avoiding sudden acceleration, fluid couplings minimize the energy spikes that occur during direct starts in systems without couplings.

Moreover, fluid couplings act as a torque limiter when the load exceeds a certain threshold. This characteristic, known as the slip, allows the fluid coupling to disengage slightly when the torque reaches a predetermined level. As a result, it protects the system from overloads and reduces energy wastage during high-stress conditions.

Additionally, fluid couplings help mitigate the impact of shock loads and torsional vibrations, which can reduce wear and tear on mechanical components. By minimizing vibrations and shock loads, fluid couplings contribute to longer equipment life and, consequently, lower maintenance and replacement costs.

However, it’s important to note that like any mechanical component, fluid couplings have some energy losses due to viscous drag and heat dissipation. While modern fluid couplings are designed with improved efficiency, these losses need to be considered when assessing the overall energy efficiency of a power transmission system.

In summary, fluid couplings enhance energy efficiency in power transmission by providing soft starts, torque limiting, and damping of vibrations, thus reducing energy wastage and extending the life of the connected equipment.

China OEM Mc042 Cone Ring Flexible Shaft Coupling for Fluid Power  China OEM Mc042 Cone Ring Flexible Shaft Coupling for Fluid Power
editor by CX 2024-02-29