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  • Cylindrical gear / shaft / shaft


Article: 00057160

Cylindrical gear / shaft / shaft

MAAG? WA one-stage gear unit

Parallel cylindrical wheel reduction gear units, type WA, are designed for torque transmission from electric drive motors to ball, rod, SAG, AG or other types of horizontal mills.

Technical Data

Gear wheels
All gears are made of case-hardened steel alloy, which ensures high strength and wear resistance of the teeth and provides light and compact construction of the gearbox. The toothing of the helical stage includes all necessary modifications to ensure smooth meshing during operation. Heat treatment and precise teeth machining result in optimal tooth contact under load conditions.

WA gear units run in spherical roller bearings. The type of bearing depends on the type of load ­transmitted. Standard bearing durability calculations are based on Lh10 minimum 50 000 working hours.

Gear casing
The casing is a split housing design and is provided with inspection windows for ease of maintenance. The construction ensures high quality acoustic and dynamic state. Sealing of the shafts protects the internal parts against contamination under normal operating conditions.

Lubrication system
To maintain optimum lubrication of the gears and bearings, the gearboxes work with a stand alone pressure lubrication system that includes pumps, double filters, oil heaters, pressure transmitters, resistance temperature transmitters, thermometers, pressure gauges, etc.

Auxiliary drive
The auxiliary drive is a cost effective drive used during build-up welding on the mill or for convenient positioning of the mill during maintenance.


  • Form: cylindrical
  • Configuration: shaft
  • Other characteristics: shaft

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