| 摘要 |
When driving a plurality of paralleled feed drive mechanisms individually by servo motors (105, 106), torque of the servo motors (105, 106) is detected, and in dependence on a difference therebetween, a position command of servo motor (106) at a slave side is corrected, so that torque of the slave side servo motor (106) is matched to to torque of servo motor (105) at a master side.
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