| 摘要 |
<P>PROBLEM TO BE SOLVED: To eliminate origin adjustment accompanying the replacement of die having V-grooves which are different in groove width. Ž<P>SOLUTION: By unifying the interval X from the groove bottom part 1b of a working groove 1a which is different in the groove width of a plurality of dies 1 to a supporting table 2 and arranging the die so that the interval Y between the groove bottom part 1b of the working groove 1a and the tip part 3a of a punch 3 when this die 1 and the punch 3 are separated is equal, even when the V-groove 1a having the groove width in accordance with the thickness, the material, etc. of a workpiece W is selected from the plurality of dies 1 and replaced, the interval Y from the position of the groove bottom 1b of the V-groove 1a to the tip part 3a of the punch 3 does not change. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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