| 摘要 |
PROBLEM TO BE SOLVED: To provide a circular-arc process machine capable of performing circular-arc machining for the corner part of a small part without an NC router. SOLUTION: A table 2 is provided on a base plate 4 by a pivot (its center 3a). A work piece mount bed 1 can be moved obliquely by a guide 11 mounted at an angle of 45 deg. on the table 2, and the position of the bed 1 is controlled by screw feeders 12 to 15. The position of a rotary tool 6 is controlled in the direction of an arrow C. The distance between the outer periphery of the tool 6 and a center 3a, and the distance L1 or L2 between the center 3a and positioning parts 1a, 1b are determined to have the size of a circular arc.
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