Gear Couplings

Construction and operating characteristics

CUMEX standard gear couplings are designed for the usage in a wide range of industrial applications. High torque capacity and compact design are applicable for many installations where a robust and reliable operation is required. The couplings compensate radial and angular misalignements as well as axial movements with weak restorative forces. CUMEX standard gear couplings are designed to compensate a max. angular missalignement of 1°. Special toothing guarantees a high torque capacity as well as low backlash and a smooth operation. Standard types can be used in horizontal mounting position. The modular design leads to cost effective solutions and short lead time to produce. KUMEX gear couplings are torsionally rigid but require a backlash and therefore has not free of clearance.

Standard types KKA, KKB and KKS are designed to connect shafts with a minimum distance between the shaft ends. For higher shaft end distances the coupling types KKV and KKP are available. It is possible to connect shafts with costomized shaft end distances. The intermediate parts according the customer‘s specification are available, as well.

The intermediate part of the KKP type is equipped with a tube shaft. This enables a light construction particularly for long shafts and big coupling types. The intermediate part of the KKV type is made as a solid shaft and therefore the diameter of the intermediate part is smaller.

When high rotation speed and/or long shafts are used, we advise to undertake vibration analyses and dynamic balancing of the drive train. Furthermore we propose a dynamic balancing of the coupling. This approach shall prevent damages caused by resonaces or imbalance forces. 

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Industrial Gearboxes and Products

Kumera Gear Couplings. Cumex - Construction and operating characteristics. Standard types KKA, KKB, KKS, KKV and KKP.