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1、;ok黄瑞,陈铠,张松,赵旭东(北京工业大学激光工程研究院,北京100022)41:;oyzVdqX;oBZ_,L45|BCO2;o+。YV4o,WB;oY。1oM:CO2;o;ms|:TG406DSM:AcI|:0253-2743(2007)05-0066-02Experimental studyofdual-beamlaserweldingHUANG Rui,CHEN Kai,ZHANGSong,ZHAO Xu-dong(College of Laser Engineering, Beijing University of Technology, Beijing 100022,china)
2、Abstract:Dual-beam laser welding technologieshas beenin the experimental stage for its process stability and increasing pores.Dual-beam CO2 laserwelding whichhave certainangle eachother isexperimental studiedinthispaperwiththeaim tofindtheinfluence offocusdistance andother parameter inweldingprocess
3、.Key words:CO2 laser;dual-beam;welding;anglel:2007-04-08:g1S,gS/?Z9,I|:KZ200510005005。Te:(1980-),o,2g,V3,Z_;o。CS/?Zvq;C,;o。.doZEM1,;o?o,oHy、rq,Ml,z1v,oz1;20W90M,;o;oBZ_,;o1;o,vold7goV8d9ld,V7hdq、9FV,HoHVbz1p2。SBt;oZ_X。-;o1P;T,1B;YVs;s;,YAG;YV;8;,YVi;W3。7B;oS=7,k45|B;o+。1试验方法1.1LLNRofinSinarDC035Slab
4、CO2;,qK3500W,kemm1U,;5YV1、2Qs;,sY3、4,VYV3、4W,(300mm。m1;em(1、2Q,3、4)1.2kk45|,kj100mm100mm,=9mm。kV):V ,o-do8:Ar(10L/min)1.3kZTk,ZTm2,ZTBLoZ_,sZT;ZT=LoZ_,sZT。2焊接工艺参数;o?YVld。q;v/,V;/,nT/,AV_/Jld,ld+P;$liPld,Vfld=3,;MHld;BM,AldM=/b#,%o。7;o;WMTfF,-o#、hZT、;、8#Hq/,Yo1;q、oW。m2LsZT2.1;q;qoYKv。,CO2;lq,7Hlq。yNi
5、Bq,;qVH?o。L9?sz,yN-4/LH4N!Kq3500W。2.2;oH,qPld,;1。;k-,sYN;k,TV9qMf/+6mmHH(rKv,#kH,4qb;H+6mm,o,NH;C30。2.3oMf/,Bo9F7hl。o9F,orqV,PV0,D,;o1XBAhoN3,YVk,K|oS1 7m/min。2.4WWW,B;oH,;W,oHld9,m3U,VH,;ldF/M,ld:W9v,;MTBld,7g9v8d,oV:W?9vH,;|ld,M0。;oWo、z66 :;ok;2007M285LASER JOURNAL(Vol.28.No.5.2007)vY。m3;ldT1D;,;W0 1.0mmH/Z?Bld,7Wv1.0mmH,;|ld4。yNB;o+,k|WS0 2mm。3试验结果及分析3.1sHLT#sZTBH,o41?5,V;J,oP,m4U。m4sHoVm(o3m/min)m5sHWz、1mW9v,m5U,BS=ozMv,1y,W9F;Mld7Bld,?1,9F,MTTA_LZ_5,z(Mv。7
