Shrinking device for a tool holder

摘要

The shrinking device has a cooling device provided with at least one cooling collar (53) through which a liquid cooling medium can be passed, placed over the toolholder (3), in direct physical contact with the latter, upon insertion of the rotary tool (5) in a central opening of the toolholder after prior heating via an induction heating device (15,18). An independent claim for a toolholder used with a shrinking device is also included.