Machine tool, in particular multi-spindle turning machine

Machine tool, comprising:

• a machine frame,
• a turret body being rotatably supported by the machine frame,
• a plurality of workpiece spindles being arranged on the turret body, each of the workpiece spindles having a workpiece receiving portion for receiving a respective workpiece on one side of the turret body facing a working space of the machine tool, and
• a torque motor for driving a rotation of the turret body,
• wherein
• the torque motor is arranged at a back end portion of the turret body opposite to the side of the turret body facing the working space of the machine tool,
• a position locking mechanism for locking a rotational position of the turret body is arranged at a front end portion of the turret body on the side of the turret body facing the working space of the machine tool,
• the machine frame includes a back frame portion rotatably supporting the back end portion of the turret body and a front frame portion rotatably supporting the front end portion of the turret body, wherein the turret body is rotatable supported by two bearings, one bearing being arranged on the back frame portion of the machine frame and another bearing being arranged on the front frame portion of the machine frame,
• a space is provided between the back frame portion and the front end portion of the machine frame, and
• the turret body has, for each workpiece spindle, a longitudinally extending groove portion for receiving the workpiece spindle, the grooves opening to the space provided between the back frame portion and the front end portion, and the turret body supports, for each workpiece spindle, a slide being guided on longitudinal slides extending longitudinally with respect to the turret body and being arranged on an outer side of the turret body adjacent to the respective groove portion.