Types of Flexible Gear Couplings

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The Drum Gear Coupling is a specially designed advanced Gear Coupling. Its outer teeth are made into a sphere, with the center of the sphere on the axis of the gear. The teeth clearance is slightly larger than the general products and can transfer a greater torque and allow greater angular displacement, enjoying excellent performance and longer life.

ROD Curved-tooth Gear Coupling is one of the transmission products with core technology independently developed by Rokee and has established and reported corporate technical standards in the country. By combining with the standard coupling technology of advanced countries such as Japan and Germany, we optimized many detailed dimensions, and adopted the toothed design with a large pressure angle and short shaft design for the shaft hole, which reduces the length-diameter ratio, and has a more compact structure and excellent speed performance.

The bolts of similar types are standardized and the parts are universal. Compared with the national standard couplings, our Toothed Couplings can transfer more torque, with greatly reduced mass and small moment of inertia. It meets the European explosion-proof requirements and the comprehensive performance is greatly advanced. We highly recommend you to choose our Crown Gear Couplings for better transmission performance.

• RODA Drum Gear Coupling

  The RODA Drum Gear Coupling is the basic type of ROD series coupling, suitable for most situations where the compensation of transmission distance and motion position does not require special increase.
• RODT Indirect Tube Drum Gear Coupling

  The RODT Drum Gear Coupling is an extended type of ROD series coupling, suitable for increasing transmission distance.
• RODX Intermediate Shaft Drum Gear Coupling

  RODX Drum Gear Coupling is an extended type of ROD series coupling with a floating shaft design in the middle, suitable for increasing transmission distance.
• RODP Brake Disc Drum Gear Coupling

  The RODP Drum Gear Coupling is a type of ROD series coupling with a brake disc, suitable for transmission situations where braking needs to be used in conjunction with disc brakes.
• RODF Split Brake Disc Drum Gear Coupling

  The RODF Drum Gear Coupling is a type of ROD series coupling with split brake discs, suitable for transmission situations where there is braking demand and the braking position changes when used in conjunction with disc brakes.
• RODW Brake Wheel Drum Gear Coupling

  The RODW Drum Gear Coupling is a type of ROD series coupling with brake wheels, suitable for transmission situations where braking needs to be used in conjunction with wheel brakes.
• RODU Brake Wheel Drum Gear Coupling

  The RODU Drum Gear Coupling is another type of ROD series coupling with brake wheels, suitable for transmission situations where braking needs to be used in conjunction with wheel brakes and applied to one end of the axle, achieving smoother and more reliable braking performance.
• RODV Vertical Installation Drum Gear Coupling

  The RODV Drum Gear Coupling is a vertical installation type of the ROD series coupling, suitable for transmission situations that require vertical transmission torque.
• RODM Torsion Protection Drum Gear Coupling

  The RODM Drum Gear Coupling is a torque setting form of the ROD series coupling. By adjusting relevant components, the maximum transmission torque can be easily set within a certain range. Suitable for shafting transmission situations that require safe torque operation to protect important machine components from excessive damage.

• GICL Drum Gear Coupling

  GICL drum gear coupling has larger inner teeth width, which can transfer torque while compensating for larger axial displacement.
• GICLZ Drum Gear Coupling

  Half of the GICLZ drum gear coupling adopts a non-toothed semi-coupling sleeve structure, which is usually connected in pairs or used in occasions with small angular displacement.
• GIICL Drum Gear Coupling

  GIICL drum gear coupling has small inner teeth width, which can transfer torque while compensating for small axial displacement. Also, its structure is compact and the moment of inertia is low.
• GIICLZ Drum Gear Coupling

  Half of the GIICLZ drum gear coupling adopts a non-toothed semi-coupling sleeve structure, which is usually connected in pairs or used in occasions with small angular displacement. Also, its structure is compact and the moment of inertia is low.
• GCLD Drum Gear Coupling

  GCLD drum gear coupling is generally used for direct connection with the motor, so it generally has a higher speed and compact structure.
• NGCL Drum Gear Coupling

  NGCL drum gear coupling is designed with a brake wheel, suitable for situations where braking is required.
• NGCLZ Drum Gear Coupling

  NGCLZ drum gear coupling is designed with a brake wheel, suitable for situations where braking is required. Half of its structure adopts a semi-coupling sleeve design, with smaller angular displacement compensation but more stable braking.
• WG Drum Gear Coupling

  The overall characteristics of WG drum gear coupling are similar to those of other drum gear couplings, but with a larger modulus design, which can generally transmit greater torque.
• WGZ Drum Gear Coupling

  WGZ drum gear coupling is designed with a brake wheel, suitable for shoe type braking.
• WGP Drum Gear Coupling

  WGP drum gear coupling is designed with a brake disc, suitable for disc type braking.
• WGT Drum Gear Coupling

  WGT drum gear coupling is designed with indirect tube, suitable for long distance torque transfer.
• WGC Drum Gear Coupling

  WGC drum gear coupling is specially designed for situations where vertical transmission is required, suitable for some vertical transmission systems.
• WGJ Drum Gear Coupling

  WGJ drum gear coupling is designed with intermediate shaft, suitable for long distance torque transmission, and some are equipped with axial buffers.

Flexible Couplings are one of the major types of couplings. They find use to connect two shafts, end-to-end in the same line to transmit power that is torque from one shaft to another, thereby causing both to rotate in unison, at the same rpm.

The purpose of a Elastic Coupling is to transmit torque from one piece of rotating equipment to another, while accepting at the same time a small amount of misalignment. Flexible coupling misalignment is expressed, as an order of magnitude, in thousandths of an inch. Actual misalignment, expressed in coupling terms, is angular in nature and expressed in angular units, that is, degrees. How much misalignment is a function of the coupling type and installation. An installation variable is the equipment movement due to the temperature changes taking place in the machines as they go from the non-operating state to operation. Some angular values will be used in the discussion of the various types, but, again, these are for reference only. Each application must be reviewed using the type of coupling selected and the specific design proposed by the vendor.