B
crankshaft production machine for manufacture of crankshafts (15) having centric and eccentric surfaces to be machined, the said crankshafts being chucked rotatably around a C axis (5, 6), comprises a headstock, a counter spindle or tailstock, at least one displaceable longitudinal slide (17, 18), and drive units with motors for the drive motion of the crankshaft around the C axis and for the feed motion of subassemblies for tool spindles (8, 11) as well as the tools, wherein the respective motors in at least one drive unit used to drive the workpiece spindles (1, 3) and in at least one drive unit used to drive the tool spindles (8, 11) are configured as torque motors (2, 4, 10, 13).
