Patent ID: 9724760
Date: 2017-08-08
CPC Classifications: B23B,B23Q,Y10T

Claim:
1. A machine tool comprising: a main spindle movable in a predetermined direction with a workpiece gripped thereby; a tool post body provided with a first tool mounting part and a second tool mounting part facing each other with the workpiece inbetween in a predetermined facing direction different from the predetermined direction, the tool post body being movable in at least the facing direction; and a tool post body driving unit configured to move the tool post body in at least the facing direction, wherein the tool post body comprising: a first tool post unit provided with the first tool mounting part; a second tool post unit provided with a portion of the second tool mounting part with a relative interval with respect to the first tool post unit in the facing direction kept constant; a third tool post unit provided with the remaining portion of the second tool mounting part with a relative interval with respect to the first tool post unit in the facing direction kept variable; and a relatively-driving unit configured to relatively move the third tool post unit in the facing direction with respect to the first tool post unit.