Shrinking arrangement for a tool holder

Details Shrinking arrangement for a tool holder Shrinking arrangement for a tool holder

2007-04-24

2007-04-24

Evans, Robin (Department: 3742)

Electric heating

Inductive heating

Metal working

C219S635000, C219S221000, C219S667000, C219S677000

Reexamination Certificate

active

11043070

ABSTRACT:
The invention relates to a shrinking device for shrinking a rotary tool into a central receiving opening of a toolholder which holds said rotary tool in a press fit. The device an induction heating device for thermally expanding the toolholder in the area of the receiving opening. A cooling device with at least one cooling collar which can be placed on the toolholder, in physical contact with the same, and through which a liquid coolant can flow, is provided for cooling the receiving opening area of the toolholder. This liquid cooling considerably reduces the overall time span needed for the shrinking process.

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International Search Report.

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