铝合金球底筒形件挤压成形力学分析  

Mechanics Analysis on Extrusion Shaping of Al Alloy Cylindrical Cup with Spherical Bottom

作　　者：李长胜[1] 刘鹏[1] 武良臣[2] 

机构地区：[1]河南机电高等专科学校,河南新乡453002 [2]焦作工学院,河南焦作454000

出　　处：《锻压装备与制造技术》2004年第1期46-48,共3页China Metalforming Equipment & Manufacturing Technology

基　　金：河南省科技攻关项目(0224370015)

摘　　要：通过对铝合金带法兰球底筒形件挤压成形工艺的分析,绘制了挤压应力计算图,确定了球端面凸模变形力的平衡方程和运动方程。推出了应力计算公式和单位变形力计算公式,并与实验结果作了比较,两者偏差在25%范围内。On analysis rationality of extrusion shaping and forging proce ss engineering of Al alloy2B50(LD6)cylindrical cup workpiece with spheral bo ttom and flange in double-action press,stress computation balance equation an d kinetic equation of spheral end face stress have been given such as stress com puting formula and deformation pressure computing formula on condition of random distribution and constant volume of plastic flow,with a deviation within25 percent.

关 键 词：铝合金 筒形件 挤压 力学分析 反挤压 应力计算 

分 类 号：TG379[金属学及工艺—金属压力加工]