| 摘要 |
<p>PCT No. PCT/JP91/00687 Sec. 371 Date Jan. 23, 1992 Sec. 102(e) Date Jan. 23, 1992 PCT Filed May 23, 1991 PCT Pub. No. WO91/18336 PCT Pub. Date Nov. 28, 1991.A main CPU unit and a plurality of CNC units provided on a one-to-one correspondence with machine tools, and the main CPU unit is connected with an external storage device and an input device. To modify the mode of machine tool control or machining data of work, a new system program is down-loaded through the RAM of the main CPU unit into the CPU for the CNC unit, and according to this new system program, the part program including machining data normally stored in the CPU for the CNC unit.</p> |
