The effects of geometrical parameters of die and shear rates on the die swell of PVC extruded through rectangular die were discussed, and the special rules were also analyses theoretically.
研究了PVC材料通过矩形口模挤出时，口模的几何参数和剪切速率对离模膨胀的影响，并从理论上分析了其特征规律。
This paper introduces the Principle, Structure and design of undosed rectangular section punch die.
介绍未封闭矩形截面冲裁模的原理、结构和设计。
Rectangular copper wire is produced by continuous extrusion machine, while the key technology about extrusion wheel, die chamber and die have been studied.
解决了采用连续挤压技术生产铜扁线中挤压轮、腔体和模具等技术关键问题。
The distributed pressure on the interface was obtained using the slab method. Analytic formula of the microconvex surface of plano-sizing die for long rectangular plate has been derived.
利用主应力法求出接触面上的分布压应力，导出了平面精压长矩形板模具表面微凸面形状的解析公式。
This paper introduces the CAD system of rectangular box drawing die developed by authors about its composition, function and some techniques in programing process.
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。
The main deformation areas of the rectangular box in deep drawing were flanges and the circle-corners of female die in the corners.
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.
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。
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