Machine Tool and Method for Controlling Machine Tool

Abstract

A machine tool includes: a tool spindle to which a long tool having a length that is at least a predetermined length, and a normal tool shorter than the predetermined length, can be interchangeably attached; a tool storage device capable of storing both the long tool and the normal tool; a tool exchange device having a first tool gripping unit and a second tool gripping unit, the tool exchange device configured to exchange the long tool or the normal tool stored in the tool storage device with an attached tool attached to the tool spindle; and an exchange operation control unit configured to determine an operation pattern to be used in a tool exchange operation performed using the tool exchange device, on the basis of whether the attached tool is the long tool or the normal tool and whether a next attached tool to be attached to the tool spindle next is the long tool or the normal tool.

Dependencies are inferred from the claim text.