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五金螺絲螺母緊固件冷鐓的變形程度

作者: 深圳市鴻盛達精密五金制品有限公司發表時間:2018-05-08 12:32:54瀏覽量:1903

冷鐓的變形程度通常用材料變形前后的斷面鐓粗或縮減率 ε 來表示。典型零件冷鐓變形程度 ε 計算公式見表 2.3-1: 表 2.3-1 典型零件冷擠壓變形程度計算公式表   不同材質的材料其一次變形的極...


冷鐓的變形程度通常用材料變形前后的斷面鐓粗或縮減率 ε 來表示。典型零件冷鐓變形程度 ε 計算公式見表 2.3-1:

表 2.3-1 典型零件冷擠壓變形程度計算公式表




  不同材質的材料其一次變形的極限量稱為許用變形程度〔ε〕。常用不同材質的許用變形程度見表 2.3-2:

表 2.3-2 常用不同材質的許用變形程度表




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