平底不等高浅盒形件的展开计算研究

现有毛坯展开计算方法对平底等高且规则的盒形板壳件比较有效,而对于平底不等高盒形件展开尺寸及形状的计算却显得有些不足。为此,在盒形件拉深成形的力学和几何条件的基础上,提出了一种简便的平底不等高盒形件毛坯展开计算方法,并经安装板盒形件的生产实践验证了该方法是可行的,具有推广价值。

Study on blank expanding of flat and height unequal box

Although available methods of blank expanding are useful for flat and equal-height shallow box workpiece,they are unsuitable methods to calculate the expanding blank of flat and height unequal box.On the basis of analysis of the mechanical and geometric conditions for box drawing,a new easy calculation method of blank expanding of flat and height unequal box is presented.And the method of calculating the expanding blank of a counting plate box can meet the requirements of production practice,which proves the practicability and promotion value of the method.