Turning machine, in particular a CNC turning machine, comprising a first spindle, which can be set in rotation, for gripping and rotating a first semi-finished product to be turned, and a second spindle, which is opposite the first spindle and can be set in rotation, for gripping and rotating a second semi-finished product to be turned, wherein the first spindle is associated with a first bar loading magazine, which is configured to convey the first semi-finished product through a first opening of the first spindle into a machining area located between the spindles (2, 3), and wherein the second spindle is associated with a second bar loading magazine, which is configured to convey the second semi-finished product through a second opening of the second spindle into the machining area, wherein at least one tool turret (15 to 18) for receiving at least one tool (35 to 42) for machining the first semi-finished product to be machined and/or the second semi-finished product to be machined is arranged within the machining area, characterized in that the at least one tool turret (15 to 18) comprises a third spindle (45, 46), which can be set in rotation, for receiving and rotating the first semi-finished product to be machined and/or the second semi-finished product to be machined, wherein four tool turrets (15 to 18) are arranged within the machining area, wherein two tool turrets (15, 18) each comprise a spindle (45, 46), which can be set in rotation, and which are configured for simultaneously receiving and rotating one of the semi-finished products (8 or 9) to be machined, respectively, wherein the remaining two tool turrets (16, 17) are configured to simultaneously machine the simultaneously rotating semi-finished products (8, 9). a first spindle, which can be set in rotation, for gripping and rotating a first semi-finished product to be turned, and a second spindle, which is opposite the first spindle and can be set in rotation, for gripping and rotating a second semi-finished product to be turned, wherein the first spindle is associated with a first bar loading magazine, which is configured to convey the first semi-finished product through a first opening of the first spindle into a machining area located between the spindles (2, 3), and wherein the second spindle is associated with a second bar loading magazine, which is configured to convey the second semi-finished product through a second opening of the second spindle into the machining area, wherein at least one tool turret (15 to 18) for receiving at least one tool (35 to 42) for machining the first semi-finished product to be machined and/or the second semi-finished product to be machined is arranged within the machining area, characterized in that the at least one tool turret (15 to 18) comprises a third spindle (45, 46), which can be set in rotation, for receiving and rotating the first semi-finished product to be machined and/or the second semi-finished product to be machined, wherein four tool turrets (15 to 18) are arranged within the machining area, wherein two tool turrets (15, 18) each comprise a spindle (45, 46), which can be set in rotation, and which are configured for simultaneously receiving and rotating one of the semi-finished products (8 or 9) to be machined, respectively, wherein the remaining two tool turrets (16, 17) are configured to simultaneously machine the simultaneously rotating semi-finished products (8, 9).