| 摘要 |
PURPOSE:To considerably reduce the man-hour by dividing a work area for groove formation to automatically obtain tool courses having individual shapes. CONSTITUTION:The groove bottom of a divided area (a) is cut, and the left of the divided area (a) is cut, and the right of the divided area (a) is cut. This work is so set that the R center of the front end of a tool 14 is brought on the boundary of a division line 11, thereby preventing omission of cutting. Next, the groove bottom of a divided area (a) is cut, and the left of the divided area (b) is cut, and the right of the divided area (b) is cut, and finally, parts to be cut of the divided area (b) are cut to terminate the work.
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