因此，我们必须寻找一种合理的低盒形件毛坯外形计算和设计方法，来保证板料的成形质量，从而提高经济效益。
So we must find a logical calculation method and design model for shallow square boxes in order to guarantee the forming quality and improve the economic performance.
针对盒形件拉深成形时法兰变形区的变形进行了材料塑性流动的理论分析，提出了位移速度差诱发剪应力的观点。
In of displacement induces shear stress. Shear deformation this paper, flow law of material is theoretically analysed based on deformation of the flange deformed area in box drawing.
此文介绍了作者自行开发的盒形件拉深模CAD 系统的组成、功能以及编程中的若干技术问题。
This paper introduces the CAD system of rectangular box drawing die developed by authors about its composition, function and some techniques in programing process.
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