| 摘要 |
PROBLEM TO BE SOLVED: To provide a wire drawing die capable of enhancing strength of a die member, and considerably reducing occurrence of fatigue damage, cracks or the like. SOLUTION: The wire drawing die 10 comprises a die member 14 and an annular member 16a. A die hole 22 for passing through a metallic wire 12 is formed in the die member 14. The annular member 16a is abutted on the outer circumferential surface 14a of the die member 14 along the center axis X. The annular member 16a is fastened and fixed to the die member 14 by the shrinkage fitting to the die member 14. COPYRIGHT: (C)2007,JPO&INPIT
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