Machine tool

A machine tool, comprising

• a stationary machine frame;
• a tool head positionable relative to the machine frame along three translation axes oriented orthogonally with respect to each other, the tool head including a motor-driven tool;
• a swivel unit pivotable about a horizontal swivel axis relative to the machine frame and including a workpiece positioning device adapted to rotate a workpiece about an axis of rotation oriented perpendicularly to the swivel axis;
• a first measuring system;
• a second measuring system;
• and
• a measuring frame assigned to the swivel unit, the measuring frame rotatable with the swivel unit and thermally and/or mechanically decoupled from the swivel unit, components of the first measuring system and the second measuring system being provided on the measuring frame;
• wherein additional components of the first position measuring system are arranged on the tool head, and further components of the second position measuring system are provided on the workpiece positioning device;
• wherein the first position measuring system is adapted to measure a spatial position of the tool head relative to the measuring frame;
• and
• wherein the second position measuring system is adapted to measure a spatial position of the workpiece positioning device relative to the measuring frame.