The slip forces between two rotating friction discs in contact can be determined using this accessory module. The slip between the discs is maintained at a constant 4% by a gearbox. The contact pressure can be adjusted in steps (10N) up to max. 80N.This adjustment is performed using a lever with a mechanical advantage of 2:1. The unit is intended for operation with the basic module. The unit has a container for supplying lubricant. Knurled bolts enable the friction discs to be changed easily. Connection to the basic module is made using a clamped coupling. A strain gauge force transducer connected to the controller measures the friction forces directly.
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