首页|车用变截面空心管材缩-扩成形规律研究

车用变截面空心管材缩-扩成形规律研究

扫码查看
目为确定车用变截面空心管材缩-扩成形工艺影响因素,提高缩-扩成形工艺制备质量,利用Abaqus软件对车用变截面空心管材缩-扩成形过程进行数值模拟,研究不同工艺参数(合模力、润滑方案、成形速率)对成形过程的影响,确定最佳工艺参数.研究结果表明:合模力为 20 kN、采用润滑油和润滑脂混合润滑、成形速率为 1 mm/s时,变截面空心管材缩-扩成形均匀性较好,无缩口、起皱现象.针对仿真结果进行空心管材变截面缩-扩成形实验,实验结果与仿真结果基本一致,验证了此工艺参数组合的准确性,可为车用变截面空心管材高性能制造提供参考.
Research on the Shrink-expand Forming Law of Variable Cross-section Tubes for Automobiles
To determine the influencing factors of the shrink-expansion forming process for the variable cross-section hollow pipe for vehicles and improve the preparation quality of the shrink-expansion forming process,numerical simulations were performed using Abaqus software.The study investigated the effects of different process parameters(mold closing force,lubrication scheme,forming rate)on the forming process and identified the optimal process parameters,indicating that a die closing force of 20 kN,combined lubrication of oil and grease,and a forming rate of 1 mm/s resulted in good uniformity in the shrinking-expanding forming process of variable-section hollow tubes,with no occurrences of necking or wrinkling.The variable cross-section shrink-expansion forming experiment of the hollow pipe is carried out according to the simulation results,and the experimental results are basically consistent with the simulation results,which verifies the accuracy of this combination of process parameters and provides assistance for the high-performance manufacturing of the variable cross-section hollow pipe for vehicles.

lightweightingvariable section hollow tubesshrink-expand forming

李倩、陈阳、睢利铭、刘刚

展开 >

河南工学院 车辆与交通工程学院,河南 新乡 453003

轻量化 变截面空心管材 缩-扩成形

河南省高等学校重点科研项目河南省国际科技合作项目

22B460003242102520046

2024

河南工学院学报
河南机电高等专科学校

河南工学院学报

影响因子:0.182
ISSN:2096-7772
年,卷(期):2024.32(3)