| 摘要 |
PROBLEM TO BE SOLVED: To provide a numerical control device for stopping the operation of a program or for saving a tool by a block in which any work is not cut by using earthquake information. SOLUTION: The numerical control device 1 includes: an earthquake information reception part A for receiving earthquake information Sig; an execution block prediction part B for specifying a prediction execution block at the prediction time of earthquake occurrence; an operation stop block specification part C for specifying an operation stop block whose main shaft stops or whose tool or work moves with rapid traverse from the block under execution to the prediction execution block when receiving the earthquake information Sig; a program operation stop control part D for stopping a program operation from the start of the execution to the end of the execution of the operation stop block; and a saving control part E for saving the tool or the work when the program operation is stopped by the program operation stop control part D. COPYRIGHT: (C)2009,JPO&INPIT
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