Tool tensioning device for tensioning a tool shaft comprises a torque transfer unit arranged in addition to a fixing unit between a spindle insert and an adapter

摘要

Tool tensioning device comprises a torque transfer unit (22) arranged in addition to a fixing unit (20) between a spindle insert (10) and an adapter (12). The torque transfer unit produces an interlocking connection between the spindle insert and the adapter. Preferred Features: A protrusion (28) is arranged on the front sides of the spindle insert and adapter facing each other on a part which interacts with a corresponding recess in a further part forming the torque transfer unit.