棒材二辊矫直过程中的辊缝工艺参数  

Study of Gap Between Rolls During Two-Roll Straightening Process

作　　者：王云[1] 刘才[1] 马立东[2] 王玉峰[3] 黄庆学[2] 

机构地区：[1]燕山大学机械工程学院,河北秦皇岛066004 [2]太原科技大学重型机械教育部工程研究中心,山西太原030024 [3]石家庄钢铁有限责任公司新一轧厂,河北石家庄050031

出　　处：《钢铁》2012年第9期50-52,73,共4页Iron and Steel

基　　金：国家重点基础研究发展计划资助项目(2011CB612204);国家自然科学基金资助项目(51105264;51104104)

摘　　要：针对棒材实际矫直过程中辊缝不易确定的问题,采用大型非线性有限元软件建立棒材二辊矫直过程的三维弹塑性有限元模型,基于该模型研究了不同辊缝下矫直力、成品棒材残余应力、最大挠度和塑性变形深度的变化规律,综合分析提出合理的辊缝取值范围,并在实际生产中得到应用,减少了实际生产中辊缝调节所需时间。As gap between rolls during two-roll straightening process was not easy to determine,a 3D elastic-plastic FEM simulation model of this process was developed by nonlinear FEM software.Based on this model,variation of straightening force,residual stress,the max deflection and depth of plastic deformation of bar was analyzed in different gaps.Reasonable value of gap between rolls was presented by the comprehensive consideration.This value was applied in actual production and the time of adjusting the gap was reduced.

关 键 词：二辊矫直 辊缝 矫直力 塑性层深度 

分 类 号：TG335.62[金属学及工艺—金属压力加工]