| 摘要 |
PURPOSE:To change the distribution cycle in response to the working accuracy of a work and a to improve the working accuracy with a numerical controller, by applying a distribution cycle interruption to a processor from a distribution cycle interruption starting means by a distribution cycle changing instruction contained in a block of a part program. CONSTITUTION:The distribution cycle changing action is monitored by a control program stored in a ROM 2. A processor 1 checks whether a distribution cycle changing command is contained or not in a block of a part program stored in a RAM 3 based on an interpreting routine that decodes the programs of a block. If said command is contained in the block, the interpreting routine is branched into a distribution cycle processing routine. If not, the interpreting routine is branched into a normal routine, for example. In the distribution cycle processing routine, the operation is kept waiting until no acceleration/ deceleration delay is produced any more for the block under execution and then the distribution cycle change request signal REQ is produced.
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