汽车板激光拼焊系统的研制  

Research of Laser Welding System for Tailor Welded Blanks

作　　者：钟如涛[1] 李斌 王靓[1] 郑汉城[1] 黄治军[1] 

机构地区：[1]武汉钢铁(集团)公司研究院,湖北武汉430080 [2]武汉法利莱激光系统有限责任公司,湖北武汉430223

出　　处：《应用激光》2012年第1期49-53,共5页Applied Laser

摘　　要：针对汽车板激光拼焊工艺特点,研制了激光自动焊接系统,此系统由激光器、焊接机床和控制系统组成,采用IPG5000光纤激光器作为光源,机械人上、下料,切割-焊接组合技术,柔性电磁铁定位、夹紧,西门子840D数控系统。解决了汽车板装夹、定位,曲线、折线焊缝拼接、自动控制系统等关键技术。结果表明:此焊接系统光束质量好,性能稳定、可靠;可以焊接板厚0.5～3 mm,长度小于2 000 mm的直线、曲线、折线汽车板,汽车拼焊板的焊接精度高,焊缝质量好,达到ISO18001标准。Aiming to the characteristic of laser welding of tailor welded blanks,the automatic laser welding system consisting of laser, welding machine and control system is developed.In the system,the IPG5000 laser,robot,cutting-welding technology,flexible electromagnet and 840D CNC of Siemens are utilized,the key technology that locating,clamping of automobile blanks and laser welding of curve line and fold line is settled.It conclusion that this welding system has good beam quality,reliable and steady performance,and may weld the welding of straight line,curve line and fold line of automobile blanks of thickness of 0.5-3mm and length less than 2000mm.The welding has good quality and high presion,and obtain the standard of ISO18001.

关 键 词：激光焊接 汽车拼焊板 自动焊接系统 柔性电磁铁 

分 类 号：TQ164[化学工程—高温制品工业] TH6[机械工程—机械制造及自动化]