| 摘要 |
PROBLEM TO BE SOLVED: To provide a numerical control device for maintaining a relative distance of the length direction between a steady brace device and a workpiece of a tool according to the movement of the tool. SOLUTION: This numerical control device for controlling a machine tool is provided with a first axial driving system for moving a tool 31 which machines a workpiece 52 to the length direction of the workpiece, and a second axial driving system for moving a steady brace device 41 which stops wobbling of the workpiece 52 to the length direction of the workpiece 52. This numerical control device is provided with a synchronous movement processing part 14 for, when the first movement command to move the tool 31 only by prescribed moving quantity to a prescribed direction to the first axial driving system is generated, generating a second movement command to move the steady brace device 41 to the same direction as that of the tool 31 to the second axial driving system. COPYRIGHT: (C)2010,JPO&INPIT
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