E-mail:Rokee@Rokee.com
Tel:+0086 135 0528 9959
Add:ZhenJiang High Tech Zone,China
Plum Couplings

Plum Couplings

Rokee is a chinese Plum Couplings Manufacturer, provide Plum Couplings processing and customization services, Over the years, with excellent quality, we have been continuously providing many coupling products of various categories and uses complying with multiple standards and a full range of services, from the Plum Couplings selection to final installation and operation, for the industry fields of ferrous metallurgy, nuclear power, gas turbine, wind power, ropeway construction, lifting transportation, general equipment, etc. We strictly comply with quality system requirements and implement the whole process control to become a reliable and trustworthy partner of customers.

  • Plum Couplings
  • Plum Couplings
  • Plum Couplings

Providing customers with better Plum Couplings is always our driving force. Our aim is to transmit power for you and generate value for both of us. We look forward to joining you and becoming your partner for common progress.

The plum coupling consists of two metal claw plates (usually 45 steel or aluminum alloy) and an elastic body (polyurethane or rubber). The core principle is to transmit torque through the compression deformation of elastic elements, while compensating for axial, radial, and angular deviations (within ± 1.5mm and ± 5 °). The elastomer adopts a plum blossom petal design (commonly 4/6/8/10 petals), achieving seamless transmission under compression, with a maximum speed of up to 30000 r/min.

Performance Characteristics

  1. Dynamic compensation capability
    Elasticity can absorb vibration energy and reduce system torsional stress by up to 30%, especially suitable for frequent start stop or forward/reverse scenarios (such as servo motors).
    The working temperature range is wide (-35 ℃ to+80 ℃), and the polyurethane elastomer is oil resistant and insulated, suitable for harsh environments such as chemical and metallurgical industries.

  2. Structural advantages
    Compact design: The radial size is 40% smaller than that of gear couplings, with low rotational inertia, suitable for high-speed applications (such as CNC machine tool spindles).
    Maintenance free design: No lubrication required, with a maintenance cycle of up to 10 years (depending on the lifespan of the elastomer).

  3. Failure protection mechanism
    When the elastic body is damaged, the metal claw plate can still temporarily engage and transmit torque, but it will trigger a system alarm to avoid sudden shutdown.

« Plum Couplings » Post Date: 2023/8/30

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Add: ZhenJiang High Tech Zone,China