Abstract: Workpiece headstock for a machine tool, especially for a grinding machine, with a spindle (6); with a clamping device (7), which is connected to the spindle (6) and which is used to clamp a workpiece (8) to be machined; and with a spindle drive (9), where, a loosenable alignment interface (14) is provided between two sections of the spindle (6), between the spindle (6) and the clamping device (7), or between two sections of the clamping device (7); where, after the alignment interface (14) has been loosened and while the workpiece headstock (1) otherwise remains stationary, the clamping device (7) and thus the workpiece (8) clamped in it can be aligned in a plane perpendicular to the spindle axis (15), as a result of which any existing offset between the workpiece axis (17) and the spindle axis (15)—i.e.

Abstract: Workpiece headstock for a machine tool, especially for a grinding machine, with a spindle (6); with a clamping device (7), which is connected to the spindle (6) and which is used to clamp a workpiece (8) to be machined; and with a spindle drive (9), where, a loosenable alignment interface (14) is provided between two sections of the spindle (6), between the spindle (6) and the clamping device (7), or between two sections of the clamping device (7); where, after the alignment interface (14) has been loosened and while the workpiece headstock (1) otherwise remains stationary, the clamping device (7) and thus the workpiece (8) clamped in it can be aligned in a plane perpendicular to the spindle axis (15), as a result of which any existing offset between the workpiece axis (17) and the spindle axis (15)—i.e.