DRIVING DEVICE FOR MOTOR OF ROLLING MILL ROLL

摘要

In a driving device for motors of rolling mill rolls, a control system corrects an asymmetry property of upper and lower rolling mill roll drive systems of a twin-drive method rolling machine where upper and lower rolling mill rolls are driven by upper and lower motors, respectively, in order to achieve synchronism of torque transmission to the upper and lower rolling mill rolls. This driving device for motors of rolling mill rolls is used for the rolling machine where the upper and lower rolling mill rolls are driven by the upper motor (5) and the lower motor (12), respectively, and either the upper motor (5) or lower motor (12) is located closer to a material to be rolled (20) than the other motor. Either an upper motor controlling portion (1) for controlling the upper motor (5) or a lower motor controlling portion (8) for controlling the lower motor (12) or both of them are equipped with an upper and lower axis system unbalance correcting portion for correcting a disagreement in propagated torque between the upper and lower rolling mill rolls to achieve synchronism of torque transmission to the upper and lower rolling mill rolls.