客车骨架CO2焊接质量影响因素探讨

CO2[()118008]:CO2,,:CO2Abstract:AfteranalysingtheCO2weldingmode,thispapergivesoutthecausesandsolutionstoimprovingweldingqualityinordertofullyelaborateitspropertiesofsmalldeformation,highstrength,lowenergy2consumptionandhighefficiency.Keywords:Coachframe,CO2welding,Weldingquality,Affectingfactor,CO2,,,1CO2CO2:,,,,,,,CO2,2CO2CO2,,,,,,,211IVU(1)III,1.52mm,,,,,d=1.2mm,I=100140A;d=110mm,I=90120A(2)VV,,,,CO2,,,20V,,CO220V,150A,,,,(3)UU,,,,,,,CO2,,,,(4)L=10d,10212CO2,,,CO2,CO2,,234BUSTECHNOLOGYANDRESEARCHVol123No142001©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,;,,,,9815%,,,,CO2;,213:(),,CO2,12mm,1.5mm,,,,,,2mm,,,,3CO2,,CO2,,,,,CO2,30kmCO2,,,:2000206216(),1952,,,10m,,,30m2,2400,400,,2,,,30002000,,,ISO9001,20,,1993400,,,,:::153:410004:(0731)55828115672148:(0731)55870295672061:http:öö@public1cs1hu1cn3023©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.