[1]刘 江,韩中奇,王叶松,等.高强钢辊弯成型矩形管特性数值分析[J].焊管,2019,42(4):20-24,29.[doi:10.19291/j.cnki.1001-3938.2019.4.004]
 LIU Jiang,HAN Zhongqi,WANG Yesong,et al.Numerical Analysis of the Characteristics of High Strength Steel Roll Forming Rectangular Tube[J].,2019,42(4):20-24,29.[doi:10.19291/j.cnki.1001-3938.2019.4.004]
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高强钢辊弯成型矩形管特性数值分析()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
42
期数:
2019年第4期
页码:
20-24,29
栏目:
试验与研究
出版日期:
2019-04-28

文章信息/Info

Title:
Numerical Analysis of the Characteristics of High Strength Steel
Roll Forming Rectangular Tube
文章编号:
10.19291/j.cnki.1001-3938.2019.4.004
作者:
刘 江1韩中奇1王叶松1曹建国1赵荣国2
1. 北京科技大学 机械工程学院,北京 100083;
2. 江苏帝尔保机械有限公司,江苏 扬州 225000
Author(s):
LIU Jiang1 HAN Zhongqi1 WANG Yesong1 CAO Jianguo1 ZHAO Rongguo2
1. School of Mechanical Engineering, University of Science and Technology, Beijing 100083, China;
2. Jiangsu Durable Machinery Co., Ltd., Yangzhou 225000, Jiangsu, China
关键词:
冷弯成型高强钢矩形管变形量有限元分析
Keywords:
cold roll forming high strength steel rectangular tube deformation finite element analysis
分类号:
TG335.75
DOI:
10.19291/j.cnki.1001-3938.2019.4.004
文献标志码:
A
摘要:
针对高强钢薄壁矩形管连续辊弯成型过程中的受力性能及存在的精度、加工硬化等问题,运用专用辊弯成型有限元分析软件COPRA,建立了DP980十机架连续辊弯成型三维有限元模型,并采取不同的变形分配量对矩形管长短边和圆角处的受力特性进行了研究,重点分析了高强钢薄壁矩形管圆角处不同位置的厚度、材料屈服强度和半径的变化规律。研究发现,高强钢薄壁矩形管整个截面中圆角中心的材料屈服强度和半径最小;采用不同变形量分配方案的矩形管,方案A(变形量平均分配)圆角厚度增加最大,方案B(小变形→大变形→小变形)圆角厚度、材料屈服强度增加最少,但成型尺寸精度最高。
Abstract:
Aiming at the problems of mechanical properties, accuracy and work hardening of high-strength steel thin-walled rectangular tubes during continuous roll forming, a three-dimensional finite element model of DP980 steel ten-stand continuous roll forming was established by using the dedicated roll bending forming finite element analysis software COPRA, the different deformation distribution schemes were used to study the stress characteristics of the long and short sides and the rounded corners of the rectangular tube, and the change rules of the thickness, yield strength and radius changing of the high-strength steel thin-walled rectangular tube at different positions were analyzed. The study showed that the yield strength and radius of the fillet center in the whole section of the high strength steel thin-walled rectangular tube were the minimum; the rectangular tube with plan A, which had the amount of deformation evenly distributed, had the greatest increase in the thickness of the fillet. The rectangular tube with plan B, which had the amount of deformation first decreased, then increased and then decreased, had the smallest increased in fillet thickness and yield strength and the highest precision of forming dimension.

参考文献/References:

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备注/Memo

备注/Memo:

收稿日期:2018-12-01

基金项目: 科技部创新方法工作专项资助 “基于大数据的钢铁服务型制造质量管控创新方法及应用” (项目编号2016IM010300); “绿扬金凤计划”创新领军人才“焊管及冷弯型钢辊弯成型仿真与关键技术研发” (项目编号yzlyjfh2015cx055)。
作者简介:刘 江(1969—),男,教授,主要从事高强钢辊弯成型关键技术研究以及3D打印技术的应用。

更新日期/Last Update: 2019-05-10