| 摘要 |
A 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 ). |
