| 摘要 |
PROBLEM TO BE SOLVED: To shorten the moving time for switching a tool by setting a rational moving route for switching the tool without the risk of interference of the tool and a work. SOLUTION: A plurality of tools 27A, 27B, 27C are arranged side by side on a tool rest 26. The tool rest 26 is moved relatively to a work W1 in the tool forward and backward moving direction and in the tool arranging direction. In switching and moving the tools 27A, 27B, 27C to the work W1, relative movement along a circular-arc locus is performed between the tools 27A, 27B, 27C and the work W1. COPYRIGHT: (C)2008,JPO&INPIT
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