| 摘要 |
PROBLEM TO BE SOLVED: To obtain a numerical control device for monitoring a feedback current under torque skip control to assigned detection sensitivity. SOLUTION: This numerical control device 101 has a torque skip command analytic part 906 analyzing a torque skip command relating to a spindle motor 302 of spindle control and a servomotor 202 of NC shaft control and a torque skip control part 901 outputting a torque skip detection value, and driving gears 201, 301 driving the spindle motor and the servomotor are provided with a torque skip drive part 905 supervising a feedback current of the servomotor 202 or the spindle motor 302 to stop the servomotor 202 or the spindle motor 202 in the case of exceeding the torque skip detection value.
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