Machine tool with detachable workpiece support body

A machine tool includes: a spindle device having a through hole extending in an axial direction along a rotating shaft; a tubular shaft capable of moving in the axial direction through the through hole; and a workpiece support body configured to be attachable to and detachable from one end of the through-hole and to support a workpiece so as to be movable in the axial direction, the tubular shaft having a first end facing the one end of the through-hole and a second end opposite the first end in the axial direction, the workpiece supporting body can be detached from the one end, and a measuring head can be installed on the first end. 机床具备：主轴装置，具有在沿着旋转轴的轴向上延伸的贯通孔；管状轴，能够通过所述贯通孔在所述轴向上移动；以及工件支承体，构成为能够相对于所述贯通孔的一端拆装，将工件支承为能够在所述轴向上移动，所述管状轴具有朝向所述贯通孔的所述一端的第一端以及于所述第一端在所述轴向上相反的第二端，能够将所述工件支承体从所述一端拆下，并将测头安装于所述第一端。