本文提出了复杂拉深件展开尺寸的计算方法。
In this paper calculation method of complex drawing piece on unfold size is given.
则对管件的展开尺寸和形状会产生一定的影响，此时须采取相应的板厚处理。
There are some important factors closely related to the thickness processing including thickness, shape, connective form and welding slope.
对于单层厚壁圆筒体，确定其中性层的位移量是获得正确展开尺寸的关键所在。
For monoblock thick cylinder, the key to get exact developed dimension is to confirm the displacement of interlayer.
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