通过对盒形件拉深过程的应力分析，得到了焊缝移动规律。
The regularity of the weld bead displacement is deduced by analysing the stress of the square cup stamping.
盒形件拉深主要变形区集中在盒形件角部的法兰和凹模圆角部位。
The main deformation areas of the rectangular box in deep drawing were flanges and the circle-corners of female die in the corners.
介绍在塑性加工领域中运用智能化技术进行盒形件拉深模设计的方法。
This article introduces how to apply artificial intelligence technology to designing box drawing die in the plastic processing field.
通过对发动机机油盘拉伸工艺的分析，确定了此复杂阶梯盒形件的拉伸工艺。
Through the analysis of the drawing technology for the engine oil disc, the process for drawing this complex stepped boxed-shaped part was determined.
证实用亚椭圆形毛坯制得的盒形件在有效高度，口部平齐度等方面优于其它形状的毛料。
Results show that boxes drawn with para-elliptical blanks are superior to those drawn with other blanks.
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.
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.
研究表明不同可控拉深筋路径对盒形件侧壁和凹模圆角部位的应变路径影响不大，而对凸模圆角处的影响较为显著。
The results show that the different CD moving paths have little effect on the strain paths of box sidewall and die corner, which have significant effect on punch corner.
研究结果表明，合适的压边力和液体压力能控制盒形件拉深缺陷的发生，采用液压拉深盒形件可获得更好的壁厚分布。
The result indicates that proper blank holder force and liquid pressure will help to reduce the occurrence of drawing defects and the application of hydroforming can get more uniform wall thickness.
拉深过程中压边力通过控制系统可以随拉深起皱规律而合理变化，有效地改善法兰区变形的不均匀性，提高盒形件的成形质量。
The BHF can be reasonably changed with the wrinkling law by control system, so the flange formability and the part quality can be imp…
基于可控拉深筋运动原理设计了可控拉深筋高强度钢板盒形件拉深实验装置，该实验装置分为模具结构、杠杆机构、液压及电气控制系统四部分。
The CD-HSS box drawing experimental device included four parts of die structure, lever mechanism, hydraulic and electric control system were designed based on the CD movement principle.
应用动力显式数值模拟软件，研究了线性渐增和渐减变压边力下拼焊板盒形件的成形过程。建立了线性变压边力终止值随初始值变化的关系曲线，该曲线被拟合为二阶多项式曲线。
The forming of box with TWBs based on a series of linearly increasing and decreasing variable blank holding forces(VBHF)over the stroke were studied by means of dynamic explicit finite element method.
指出了可通过控制填充速度，使有封闭前沿的断续液流不再形成而获得满意的盒形零件。
The filling speed is controlled properly to gain the ideal filling condition and the satisfactory box-parts.
复杂盒形零件的反挤压是一个极其不均匀的流动过程 ，坯料的相对形状及尺寸是影响金属流动的关键因素。
Metal flow is a very inhomogeneous process during backward extrusion of complex box body, Relative shape and size of the blank is a key factor which affect metal flow.
复杂盒形零件的反挤压是一个极其不均匀的流动过程 ，坯料的相对形状及尺寸是影响金属流动的关键因素。
Metal flow is a very inhomogeneous process during backward extrusion of complex box body, Relative shape and size of the blank is a key factor which affect metal flow.
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