双圆弧椭圆孔型应用于张力减径的数值分析  

Numerical simulation of double arc ellipse passes for stretch reducing

作　　者：陈今良[1] 赵春江[1] 双远华[1] 石建辉[2] 杨广科[2] 

机构地区：[1]太原科技大学材料科学与工程学院,太原030024 [2]太原科技大学机械工程学院,太原030024

出　　处：《塑性工程学报》2012年第5期49-53,共5页Journal of Plasticity Engineering

基　　金：山西省自然科学基金资助项目(200901159-10)

摘　　要：采用三维弹塑性有限元技术,针对张力减径,采用椭圆孔型与双圆弧椭圆孔型进行数值模拟分析,通过对比两种孔型的模拟数据及试验结果得出,双圆弧椭圆孔型能够有效改善内六方趋势、降低单机架的轧制力,使轧辊的寿命得到提高。By using three-imensional elastic-plastic finite element method, the stretch reducing with oval passes and double arc el lipse passes were simulated. The comparisons of the numerical and experimental results between these two passes indicated that the double arc ellipse passes could improve defects of the inner hexagon effectively, reduce the single stand rolling force, and increase the roller life.

关 键 词：双圆弧 张力减径 孔型 数值模拟 有限元 

分 类 号：TG335.71[金属学及工艺—金属压力加工]