压路机前围拉延模具的设计

The drag mould design about front cover sheet of the road roller

对于拉延模具最大的难度就是要求有合理的工法、良好的工艺补充，只有确定好方案，才能够冲压出合格的产品。该前围覆盖件拉延模具经过工艺分析，采用一模两件对称压制的方式拉延。经过CAE拉延软件的模拟分析，对于拉深不足的区域采用增加拉深筋的方式，通过试模最终加工出合格的零件。

It is difficult for drag mould that the press step is in reason, the supplement is enough. Only the good project is made, the parts may be manufactured easy. This mould is design through several analyses of technology, and two parts is made by one mould, in addition, with CAE developing, we use this analyses soft to modify where would be emerge defeat, and we correct it at first, then the part is check out.