汽车冲压模向下压毛边、向上压毛边、一次拉伸结构设计精华
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4.1.向下压披锋设计标准
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4.1.向下压披锋设计标准
向上拍披锋为产品要求才做，一般为压进0.5即可，角度以30度最佳。
向下压披锋冲头一般安装在上夹板或模座上，不能用脱料板压披锋，除非客户标准有规定。
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**** Hidden Message *****
示。
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3.连续模中“S”型带料上下模要留出随拉伸自由变形空间，以防止被压住在成型拉料时被拉断
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4.连续模中“S”型带料结构拉伸时上下模要压住带料面，防止带料面成型时被拉变形，插针跑位，失去定位效果
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5.拉伸走料的成型面上不能有孔，防止成型走料时拉伤产品
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6.连续模中拉伸站压边圈的走位一定等于拉伸后产品回顶的高度 J要满足压边圈浮起后要比拉伸公高至少 3MM)，以保证拉伸后结构模
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