油圧曲げ機での材料伸びについて
概要 油圧の曲げ機で金属板を曲げると伸びが出ます。この伸びを計算して元の材料を設計すると、ちゃんとした寸法を出すことができます。 下のような図を作成しておくと便利です。 （機械や材質によって伸びは変わるので、自分の使う機械・材質で、試し曲げ...
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