Model Number: 23380 / 23382 Brand Name: norelem Key Specifications/Special Features: Material: steelVersion: brightNote:Shrink disc to connect a hollow shaft to a shaftThey are attached to the outside of the hub and generate a tension on the hub by reducing its internal diameter over tapered surfacesThis creates a press fit between the hub and shaftThey are suitable for static, dynamic and shock loads- For extremely high torques- No axial shaft/hub offset when assembling- Self-centringAssembly:Remove existing transportation locks
Clean and lightly oil shaft, internal and external hub diameters
Do not use MoS2 or grease
Slide shrink disc onto hub
Then slide unit (shrink disc/hub) onto shaft and position correctly
Gently tighten clamping screws one after the other by hand
Then use a torque wrench to tighten the clamping screws one after the other in several increments to the defined tightening torque MS
1^st increment approximately 33% MS
2^nd increment approximately 66% MS
3^rd increment 100% MS