| 摘要 |
PROBLEM TO BE SOLVED: To provide an NC machining device capable of reducing occurrence of rejected products compared with conventional ones and quickly handling work-pieces requiring corrective work. SOLUTION: The NC machining device 10 automatically generates NC data for corrective work while a work-piece W is fixed on a jig 14, and applies the corrective work on it, so that the occurrence of rejected products can be reduced compared with conventional ones to quickly handle the work-pieces requiring the corrective work. Moreover, a machined surface, in which an occupied ratio of an area with a remaining machining margin more than a predetermined reference value is larger than a reference ratio, is identified as a remaining machining margin region, so that determination of the remaining machining margin region can be stably performed with elimination of disturbance due to cutting chips or the like. COPYRIGHT: (C)2008,JPO&INPIT
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