Shrink discs are used in a shaft connection of a hollow shaft and a solid shaft, in which the torque is to be transferred by a shrink connection instead of a keyway. When mounted correctly, a shrink disc is an excellent solution for connecting a machine shaft to a gearbox shaft where the gearbox is still easily dismountable after many years of operation.
Shrink discs work in external tension, i.e. they are placed around the axis to be clamped. Clamping elements are inside tensioning, which means that the clamping element is mounted between the two objects to be clamped. They are widely used in gearboxes, backlash-free mounting of pulleys, discs and various other connections.
Characteristics of shrink discs and clamping elements
- Shrink discs up to hollow shaft diameters of 620 mm and rated torque up to 3,020,000 Nm
- Hydraulic shrink discs which can be quickly mounted or dismounted
- Various clamping elements up to diameters of 730 mm and rated torque of up to 1,390,000 Nm
- Shaft connections up to 420 mm shaft diameter and 1,600,000 Nm nominal torque
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