Patent ID: 9616541
Date: 2017-04-11
CPC Classifications: B23B,B23Q,Y10T

Claim:
1. A shrink-fit chuck comprising: a receiving body; a receiving opening in the receiving body, the receiving opening for receiving a shank of a tool; an accumulation and collection chamber in a front region of the receiving opening; at least one coolant supply channel opening into the accumulation and collection chamber; a ring bar formed by a cover disk welded to a front end of the receiving body, the cover disk having an internal diameter adapted to an internal diameter of the receiving opening; the cover disk delimiting the accumulation and collection chamber toward the front region of the receiving opening; and a plurality of outlet openings in the cover disk, the plurality of outlet openings for discharging a coolant routed into the accumulation and collection chamber from the coolant supply channel; wherein, during shrink fitting, the cover disk is configured and arranged for deforming the receiving body such that the tool is inserted into or removed from the receiving opening and for narrowing an annular gap between the cover disk and the shank of the tool.