Patent ID: 7628676

Claim:
Machine tool for machining workpieces, the machine tool comprising: a workpiece holding device including a support having a first surface, a second surface inclined with respect to the first surface and the support having a third surface inclined with respect to the second surface, a workpiece spindle headstock having a first workpiece supporting portion and a first mounting surface mounted on the first surface of the support, and a tailstock having a second workpiece supporting portion and a second mounting surface, movably mounted on one of the second surface and the third surface of the support such that, when the second mounted surface is mounted on the second surface of the support, the second mounting surface is inclined with respect to the first mounting surface while the second workpiece supporting portion is aligned with the first workpiece supporting portion, and when the second mounted surface is mounted on the third surface of the support, the second mounting surface is located opposite to the first mounting surface while the second workpiece supporting portion is aligned with the first workpiece supporting portion.