MACHINE TOOL

摘要

A machine tool can perform a turning process using a fixed tool and a milling process using a rotating tool. The machine tool includes: a tool spindle having an air supply portion, for rotating the rotating tool; a lower tool rest for mounting a plurality of fixed tools thereon; a tool holder having a tapered surface restraining a tool, and attached to the lower tool rest, for detachably holding the tool; an automatic tool changer; and a special tool mounted on the tool spindle, into which the air is introduced from the air supply portion. When the tool is automatically changed by the automatic tool changer, the special tool mounted on the tool spindle is coupled to the tool holder, and the air from the air supply portion is supplied to the tapered surface through the special tool.

主权项

1. A machine tool capable of performing a turning process using a fixed tool and a milling process using a rotating tool, comprising:
a tool spindle having an air supply portion supplying air, for rotating the rotating tool; a tool rest for mounting a plurality of fixed tools thereon; a tool holder having a restraining surface restraining a tool, and attached to said tool rest, for detachably holding the tool; an automatic tool changer for automatically changing the tool held in said tool holder; and a special tool mounted on said tool spindle, into which the air is introduced from said air supply portion, wherein when the tool is automatically changed by said automatic tool changer, said special tool mounted on said tool spindle is coupled to said tool holder, and the air from said air supply portion is supplied to said restraining surface through said special tool.