矩形盒拉深中的应力分析及拉深力的近似计算  

Stress analysis and approximate calculation of drawing force in the rectangular drawing

作　　者：鄂大辛[1] 水野髙爾 

机构地区：[1]北京理工大学机械与车辆工程学院,北京100081 [2]日本名古屋工业大学

出　　处：《塑性工程学报》2006年第5期76-79,共4页Journal of Plasticity Engineering

基　　金：北京市重点学科基金项目(XK00070424)

摘　　要：针对矩形盒拉深中凹模口流入方向应力的近似计算、数值计算和实际测量结果进行了比较分析,认为在尚未得到统一解的情况下,分割计算具有一定的可信度。并且指出,法兰直、曲边交界附近存在的流入方向剪切力是拉深力的主要成分之一,在非回转对称拉深载荷的计算中非常重要。The contrasting analysis is carried out against approximate calculation, numerical simulation and the real measuring result of flow-in direction stress along the die-entrance in the rectangular drawing. It is considered that in the condition of non-uniform solution, part calculation has credibility to some extend. It is also pointed out that the shear stress along the flow-in direction existing near the junction of straight and curve edges is one of the major components of drawing pressure, and it is very iraportant in the calculation of drawing load of non-rotational symetrical drawing.

关 键 词：矩形盒拉深 法兰曲边 拉入应力 拉深力 

分 类 号：TG386.3[金属学及工艺—金属压力加工]