| 摘要 |
PROBLEM TO BE SOLVED: To reduce the storage area of an NC device, and to improve the operation rate of an NC machine by eliminating any waiting time due to the reading of NC data. SOLUTION: In this system equipped with an NC device 10, an NC machine 17, a controller I4 having a large capacity storage device 12, and a communicating means 16 between those devices, the NC device 10 is provided with a program constituted by a replacement step (a), a replacement completion notification step (b), an operation step (c), and an operation completion notification step (d) and a data buffer constituted of a reception data buffer and an operation data buffer. The controller 14 is constituted so that NC data can be transferred to the NC device 10 according to a replacement completion signal and that a start command can be applied to the NC device 10 according to an operation completion signal.
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