汽车铝合金行人保护防撞梁焊接变形工艺仿真研究  

Simulation study on welding deformation process of automotive aluminum alloy pedestrian protectionanti-collision beam

作　　者：徐茂青 路广明 孙志宾 韩明亮 贾志洁 王永彬 XU Maoqing;LU Guangming;SUN Zhibin;HAN Mingliang;JIA Zhijie;WANG Yongbin(Weiqiao Guoke(Binzhou)Science and Engineering Industry Technology Research Institute Co.,Ltd.,Binzhou 256600,Shandong,China;Shandong Advanced Aluminum Community Management and Operation Co.,Ltd.,Binzhou 256603,Shandong,China)

机构地区：[1]魏桥国科(滨州)科学工程产业技术研究院有限公司,山东滨州256600 [2]山东省高端铝共同体管理运营有限公司,山东滨州256603

出　　处：《农业装备与车辆工程》2025年第2期69-73,共5页Agricultural Equipment & Vehicle Engineering

摘　　要：为了解决铝合金零部件焊接变形过大的问题,采取有限元的方法对焊接工艺进行仿真验证。基于Simufact.Welding焊接工艺分析软件,以汽车行人保护防撞梁为研究对象,探索焊接变形的控制方法。通过研究不同的求解方法找到一个兼顾效率和精度的仿真求解方法,根据计算结果进行焊接反变形的设计,得到满足精度的焊接产品,并进行焊接工装夹具的优化设计的仿真验证。研究结果表明,通过Simufact.Welding可以对焊接变形进行预测,并指导反变形设计来保证产品尺寸要求。To address the issue of excessive welding deformation in aluminum alloy components,finite element method for simulation verification of welding process was adopted.Based on the Simufact.Welding software for welding process analysis,the study focused on the pedestrian protection crash beam as the research object to explore methods for controlling aluminum alloy welding deformation.By investigating different calculation mode of simulation,a simulation method that balanced efficiency and accuracy was identified.Based on the computational results,the design of welding reverse deformation was carried out to achieve welding products that meet precision requirements.Finally,a simulation verification was conducted for the optimization design of the welding fixture clamps.The research results indicated that Simufact.Welding could predict welding deformation and guide reverse deformation design to ensure product dimensions meet the requirements.

关 键 词：焊接变形 汽车防撞行人保护 仿真求解方法 工装优化 

分 类 号：U463.326[机械工程—车辆工程] TG404[交通运输工程—载运工具运用工程]