Rotation of workpieces on a machine tool

A computer program product for operating a machine tool, said computer program product comprising machine code embodied in a non-transitory computer readable medium, wherein the machine code, when loaded into a control unit of the machine tool and processed directly by the control unit of the machine tool, causes the control unit to perform the steps of:

• clamping a first workpiece into a first workplece holder of the machine tool arranged on a workpiece table of the machine tool;
• rotating the workpiece table in a position controlled manner about an axis of rotation by a plurality of complete rotations;
• moving a first tool of the machine tool in a position controlled manner at least parallel to the axis of rotation;
• placing the first tool at least temporarily against the first workpiece on a side of the first workpiece that substantially faces away from the workpiece table and machining the first workpiece in a metal cutting manner with the first tool while the workpiece table is rotating about the axis of rotation;
• locating the first tool at a first distance that is at least as large as a predefined first minimum distance away from the axis of rotation during an entire process of the machining of the first workpiece in the metal cutting manner by the first tool;
• and
• displacing the first workpiece holder on the workpiece table toward the axis of rotation or away from the axis of rotation in a position controlled manner during the process of machining the first workpiece in the metal cutting manner by the first tool.

A control unit of a machine tool, wherein the control unit is programmed with a computer program comprising machine code embodied in a non-transitory computer readable medium, wherein the machine code, when loaded into the control unit of the machine tool and processed directly by the control unit of the machine tool, causes the control unit to perform the steps of:

• clamping a first workpiece into a first workpiece holder of the machine tool arranged on a workpiece table of the machine tool;
• rotating the workpiece table in a position controlled manner about an axis of rotation by a plurality of complete rotations;
• moving a first tool of the machine tool in a position controlled manner at least parallel to the axis of rotation;
• placing the first tool at least temporarily against the first workpiece on a side of the first workpiece that substantially faces away from the workpiece table and machining the first workpiece in a metal cutting manner with the first tool while the workpiece table is rotating about the axis of rotation;
• locating the first tool at a first distance that is at least as large as a predefined first minimum distance away from the axis of rotation during an entire process of the machining of the first workpiece in the metal cutting manner by the first tool;
• and
• displacing the first workpiece holder on the workpiece table toward the axis of rotation or away from the axis of rotation in a position controlled manner during the process of machining the first workpiece in the metal cutting manner by the first tool.

A machine tool, comprising:

• a workpiece table;
• a first workpiece holder arranged on the workpiece table;
• a first tool;
• and
• a control unit of the machine tool, wherein the control unit is programmed with a computer program comprising machine code embodied in a non-transitory computer readable medium, wherein the machine code, when loaded into the control unit of the machine tool and processed directly by the control unit of the machine tool, causes the control unit to perform the steps of;
• clamping a first workpiece into the first workpiece holder;
• rotating the workpiece table in a position controlled manner about an axis of rotation by a plurality of complete rotations;
• moving a first tool of the machine tool in a position controlled manner at least parallel to the axis of rotation;
• placing the first tool at least temporarily against the first workpiece on a side of the first workpiece that substantially faces away from the workpiece table and machining the first workpiece in a metal cutting manner with the first tool while the workpiece table is rotating about the axis of rotation;
• locating the first tool at a first distance that is at least as large as a predefined first minimum distance away from the axis of rotation during an entire process of the machining of the first workpiece in the metal cutting manner by the first tool;
• and
• displacing the first workpiece holder on the workpiece table toward the axis of rotation or away from the axis of rotation in a position controlled manner during the process of machining the first workpiece in the metal cutting manner by the first tool.