大客车车身张拉蒙皮的点焊要点

:,,,,80(,334000)::;;Abstract:Thepaperintroducesthepointsforthespotweldingofpullingpanelsforlargebusbody.Keywords:Largebusbodystructure;Outerpanel;Spotwelding:U463183+2:B:100623331(2004)032003220240,,,,1:ItP()d,,111I,,,,,;,,,,,,j=IöF=120360Aömm2,I=jF=j(Pd2ö4)=(120360)Aömm219.6mm2=24007100A,d,,I,I112t,,,,,,(0191.4)d,,,t,113P,Rj,,,P,,R,,,P,,P,,,P=P+P,Pt,,,P114dd,,d,,,,,d,,,d,,d=d(0191.2)263BUSTECHNOLOGYANDRESEARCHVol126No132004©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:;(1),,,1,,:I=24007100A,t=0.10.2S,P=50100N,d=5mm,:(1)RR,,,;,,,,,,,,(2)(2),,(IöI)100%I=I+I,I,I;I,,,:2,,,30mm,5060mm,25%,,,1mm,,15%,2:;,,,,,,,,,,,,,,,,,3,,,:a=4D+8(mm)D,mmD1mm,a12mm4(1),,,,,,,,,,(2),,$,:20042042303:33©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.