Machine tool

A machine tool, comprising:

• a rotatable tool turret (1) that comprises a plurality of receptacles (4) that are circumferentially spaced from one another,
• a tool holder (3), wherein the tool holder (3) is inserted in a one of the plurality of receptacles (4) with a pre-defined orientation and is releasably fastened at the tool turret (1) in a correct positional arrangement, wherein the tool holder (3) comprises a housing (7) to which fastening means (21, 24, 25) are assigned, wherein the fastening means (21, 24, 25) are configured to fasten the tool holder (3) at the tool turret (1),
• a driven tool (11) or a stationary tool (11) that is clamped in the tool holder (3),
• a tool change device that comprises gripping means (370, 42, 43) configured for gripping the tool holder (3) at the housing (7) or at a part (71) connected therewith, wherein the tool change device is configured to replace the tool holder (3), after the tool holder (3) is released from the tool turret (1), with another tool holder (3) and is further configured to insert the another tool holder (3) in the correct positional arrangement in the one of the plurality of receptacles (4),
• wherein the tool change device further comprises a drive unit (55) in which a plurality of motors are arranged, one of the plurality of motors driving a corresponding first drive shaft (58) for actuating the fastening means (21, 24, 25) and another one of the plurality of motors driving a corresponding second drive shaft (56) for actuating the gripping means (370, 42, 43).