防护梁绕弯成形内支撑模芯与型坯间隙对制件成形质量影响研究  

Research on Influence of the Gap Between Inner Support Core and Profile on Forming Quality of Ratory Bending Protective Beam

作　　者：胡忠勇 张如军 王围 梁继才[2] Hu Zhongyong;Zhang Rujun;Wang Wei;Liang Jicai(Shulan General Machinery Co.,Ltd.,Shulan 132600,Jilin,China;School of Materials Science and Engineering,Jilin University,Changchun 130022,Jilin,China)

机构地区：[1]舒兰市通用机械有限责任公司,吉林舒兰132600 [2]吉林大学材料科学与工程学院,吉林长春130022

出　　处：《工程与试验》2023年第4期37-39,共3页Engineering and Test

基　　金：吉林省科技厅重点研发项目,项目编号:20210201109GX。

摘　　要：本文对“日”字形截面型材绕弯成形内支撑模芯与型坯间隙变化对制件成形质量的影响进行了数值模拟研究。结果表明,随着型坯与模具模芯间隙的增大,制件截面变形程度逐渐增大,型材壁厚变化率表现为先减小后增大;随着型材厚度的增加,制件截面变形程度逐渐减小,但型材壁厚变化率逐渐增大。In this paper,the gap between the inner support core and the profile in rotary bending process of the“日”shaped section is numerically simulated to study the forming quality of the workpiece.The results show that with the increase of the gap between the inner support core and the profile,the deformation degree of the workpiece section increases gradually,and the change rate of the profile wall thickness decreases first and then increases.With the increase of profile thickness,the deformation degree of the workpiece section decreases gradually,but the change rate of profile wall thickness increases gradually.

关 键 词：汽车 防护梁 绕弯成形 数值模拟 

分 类 号：TG386.4[金属学及工艺—金属压力加工]