| 摘要 |
PCT No. PCT/JP97/00261 Sec. 371 Date Sep. 29, 1997 Sec. 102(e) Date Sep. 29, 1997 PCT Filed Feb. 3, 1997 PCT Pub. No. WO97/28494 PCT Pub. Date Aug. 7, 1997A database, in which information an NC apparatus needs in machining products is accumulated for each product, is set in a hard disk connected to the NC apparatus. In this database, products are represented by numbers assigned to them. When an operator specifies a product number, information required for machining of the product corresponding to that number is retrieved and extracted from the database to be automatically transferred to a predetermined memory of the NC apparatus.
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