Chuck e.g. extension chuck, for use as connecting element for clamping reamer at spindle head of machine tool, has hollow-cone shaped recess formed as stop and provided at end of receiving chamber that runs in axial direction

摘要

The chuck (2) has a receiving chamber (9) running in an axial direction (7), and the clamping elements radially projecting into the chamber. A hollow-cone shaped recess is formed as a stop (11) and provided at an end of the chamber. An insert is movably supported at the end of the chamber in the axial direction, and the recess is turned towards the chamber. A receiving bore is provided at the end of the chamber for retaining an extension of the insert to fix the insert at the end of the chamber. A fine thread is formed in the extension of the insert.