| 摘要 |
PROBLEM TO BE SOLVED: To sufficiently secure durability of a trimming die for a many kind/ small quantity production. SOLUTION: A trimming die 10 is to trim an edge 51 of a drawing formed part 50, is made of aluminum copper zinc alloy and has a hard chrome plating film 42 to its upper side blade part 25 and lower side blade part 40. Thus, when trimming a drawing formed part with the upper/lower blade parts, even when a relatively large friction force is generated to the respective blade parts, damage of the blade part is prevented.
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