第38卷第4期V01.38No.4金属制.品MetalProducts2012年8月August2012doi :10.3969/j .i ssn.1003—4226.2012.04.018C02气体保护焊丝焊接飞溅原因及预防措施孟波,惠玲,高清涛,周志广,杨涛( 山东聚力焊接材料有限公司,山东德州253000)摘要介绍CO:气体保护焊丝焊接飞溅原因及预防措施。以ER50—6为例,从CO:气体保护焊丝原料成分、焊丝生产工艺过程控制和焊接工艺参数3方面分析引起焊接飞溅的因素,给出CO:气体保护焊丝焊接时金属飞溅的预防措施:( 1) 严格控制焊丝原料各成分含量,尤其是C的质量分数不能超过0.08%;( 2) 加强焊丝生产工艺过程控制,模具6 h更换一次,拉拔油12 h彻底更换一次;( 3) 选择合适的焊接工艺参数,焊枪倾斜角度不能超过20。,焊丝的伸出长度为直径的10一12倍;( 4) 在焊丝表面涂覆活性剂;( 5) 在CO:中加入氩气。以上措施可有效减少焊接过程焊接飞溅的产生。关键词CO:气保焊丝;生产工艺;焊丝飞溅;预防措施;焊接工艺中图分类号TG446+.1Wel di ng spattercause andpreventi vemeasures of C02 gas shi el di ng wel di ngwi reMENGBo,HUI Li ng,GAOQi ng—tao,ZHOU Zhi - guang,YANGTao( Shandong J ul iWel di ngMateri al s Co.,Ltd.,Dezhou 253000,Chi na)AbstractTo i ntroducewel di ng spattercause andpreventi vemeasures ofC02 gas shi el di ng wel di ng wi re.Taki ngERS0—6 forexampl e,fromthreeaspectsofwel di ngwi recomposi ti onandproducti on processcontrol andwel di ng processtoanal yzethe factorsl eadi ngtowel di ng spatter,the preventi vemeasures forwel di ng spatterofwel di ngwi re aregi ven:( 1) to stri ctl ycontrolcomponentofmateri al ,especi al l y carbon mass fracti on can’t be over0.08%,( 2) to strengthen wel di ngwi repro—ducti onprocess control ,wi redrawi ngdi e wasrepl acedone ti me every 6 hours,l ubri cati onoi l wasrepl acedevery 12 hourS,( 3) tosel ect sui tabl ewel di ng process parameters,thei ncl i neangl eofwel di ng guncan’t be over 20。,extensi onel ongati onofwel di ngwi re i s 10to 12 ti mes ofdi ameter,( 4) tocoatacti veagentonwel di ng wi re,( 5) toaddargontoC02 gas.A—bove measures can decreasewel di ng spatter effecti vel y.KeywordsC02 gas shi el di ng wel di ng wi re;producti on process;wel di ngwi respatter;preventi ve measure;wel di ngprocess