| 摘要 |
PCT No. PCT/JP81/00312 Sec. 371 Date Jun. 24, 1982 Sec. 102(e) Date Jun. 24, 1982 PCT Filed Oct. 29, 1981 PCT Pub. No. WO82/01604 PCT Pub. Date May 13, 1982.A numerical control apparatus for a machine tool (4) comprises a transmitting circuit (43) for transmitting each block of machining information to an abnormal operation monitoring apparatus (6), which comprises a receiving circuit (61) for receiving each of said blocks of machining information and a decoding circuit (63) for decoding the content of said received blocks of machining information, thereby, as the machining proceeds by each one block, data indicating the content of said block and a signal indicating the termination of execution of the machining operation defined in said block are supplied from said numerical control apparatus (4) to said abnormal operation monitoring apparatus (6) and said content of each block of machining information is decoded in said abnormal operation monitoring apparatus (6).
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