Crankshaft turning procedure uses form and stress sensors to control driven C axis to compensate torsional prestresses during manufacture

摘要

A crankshaft (1) turning procedure introduces additional torsion forces (11) to change prestresses by changing the relative rotation rate of the two cutting tools (6a) using a spindle axis (C1, C2) rotation drive controlled in response to stress measurements and optical form sensors (3). Includes Independent claims for machine tools using the procedure.