| 摘要 |
An NC laser system turns on and off a laser oscillator at a desired timing. A machining program is decoded to deliver a move command for movement along axes, and an ON-OFF command for turning on and off an laser oscillator. In response to the move command, interpolation processing is effected to deliver interpolation pulses. The interpolation pulses are controlled for acceleration and deceleration to generate a deceleration-starting signal and a deceleration-terminating signal. On the other hand, in response to the ON-OFF command, an ON-OFF signal is delivered. For example, the ON-OFF signal is delivered at any of timings of the start of deceleration, the end of deceleration, etc. Further, the ON-OFF signal can be delivered when an actual position of a machining head becomes closest to a directed end point.
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