:025827025(2007)1121571206,,,,,(,100080),GALIL,.,,,.VC++.;;;;TG456.7ACylinderWeldingControlTechnologyofIntegratedLaserManufacturingSystemWANGHeng2hai,YUGang,PANGMing,WANGLi2xin,NINGWei2jian,ZHENGCai2yun(InstituteofMechanics,TheChineseAcademyofSciences,Beijing100080,China)AbstractTosolvethedifficultiesinlaserweldingcylinder,lasersystem,robotsystemandrotarymachinesystemarecontrolledsynchronouslybymeansofPROFIBUS2DPfield2bus,GALILmovementcontrollercardandCOMMtechniques.Anovelmethodofmultifunctionalcontrollaserweldingforintegratedlasermanufacturingsystemsispresented.Experimentsbasedonthismethodwerecarriedoutandtheresultsprovedthatthemultifunctionalcontrollaserweldingcouldmeetthedemandsofpracticalapplications,suchasspeedchanging,powerchangingandangledeflexion.Andproblemsoflaserweldingcylinder,suchasweldinginstabilityandpitsappearedattheendofwelding,weresolved.ProgrammingisrealizedbyVC++object2orientedtools.Keywordslasertechnique;lasercylinderwelding;controltechnics;synchronization;defect:2007201204;:2007206229:(1982),,,,.E2mail:whhairay@163.com:(1958),,,,,.E2mail:gyu@imech.ac.cn1CO2[1],.,[2].,X.[3],,[4],X[5],[6].:;;;.,3411200711CHINESEJOURNALOFLASERSVol.34,No.11November,2007,.,,[7].,,[8].1,[9].[10],.,.2,,..3kW;5;GALIL,.1.1Fig.1Logicsketchmapofcontrolsystemshardware(ProcessFieldBus,PROFIBUS);;GALIL;.,:,;,,.,,.VC++.,..,,,Windows2000.2.,,.2751342Fig.2Logicdiagramofcontrolprogram3,.45#K41842CrMo,.K41842CrMo,,,,K41842CrMo.:,,.1000W,100ms.3.13Fig.3Changingprocessofrollingmachinesspeedandlaserpoweralongwithangleschangeincontinuousconstantvelocitywelding,.:,,,,.3.30L1,L1L2,L2L3.3.2K41842CrMo,,..,.:,,(5mm/s),(90),(6mm/s)(270),.4.4L1L3.4Fig.4Changingprocessofrollingmachinesspeedandlaserpoweralongwithangleschangeinvariablevelocitywelding5Fig.5Changingprocessofrollingmachinesspeedandlaserpoweralongwithangleschangeinvariablevelocityandlaserpowerweldingintheendofwelding3.3,,375111:.5.3.4,.GALIL,PROFIBUS2DP,(),.6,,[11],.6Fig.6Randomlaserwaveinmanufacturing7Fig.7Changingofrollingmachinesspeedandlaserpoweralongwithangleschangeinvariablevelocityandlaserpowerwelding.:,,(5mm/s),90,(6mm/s)(270),(5mm/s)45,.45.7.7L1L33kW,L3L4.3.55,,,.K41842CrMo,,,,8.K41842CrMo.8Fig.8Sketchmapofweldingwithlaserbeamofbeingnotvertical4:,,,,;,,.,.45#K41842CrMo,,.45#,.945#.,,475134945#(a)(b)Fig.9Endingoflaserwelding45#steelcylinderusingconstantvelocityandlaserpower(a),raisedvelocityanddeclinedlaserpowerattheendofwelding(b)10Fig.10Mapofturboandshaftafterlaserwelding11Fig.11Microstuctureofweldingline.K41842CrMo.:6.5,8mm/s,-3mm,3kW,360,45.10.10,K41842CrMo,,.1112K41842CrMo.11,,,,;12,,.12Fig.12Microstuctureofcrack5,45#K41842CrMo,,,,.,,,.1GuoXuming,QianBainian,ZhangYanetal..Externalfieldtreatmentrefiningmicrostructuresofpipe2linesteelsawweld[J].TransactionsofTheChinaWeldingInstitution,2001,22(2):2730,,.[J].,2001,22(2):27302DuSuigeng,FuLi,CaoYingetal..OnstrengtheningthefrictionweldingjointbetweenK418turbodiskand42CrMo575111:shaft[J].JournalofNorthwesternPolytechnicalUniversity,2004,22(1):112115,,.K41842CrMo[J].,2004,22(1):1121153WangHailin,HuangWeiling,ZhouZhuoyouetal..Laserweldingof8mmthickstainlesssteelplates[J].ChineseJ.Lasers,2003,30(5):463466,,.8mmNdYAG[J].,2003,30(5):4634664ChenTao,ChenJimin,WangZhiyongetal..Weldingpropertycomparisonstudybetweentwomajorhighpowerindustriallasers[J].ChineseJ.Lasers,2002,A29(2):185188,,.[J].,2002,A29(2):1851885Z.Sun,J.C.Ion.Reviewlaserweldingofdissimilarmetalcombinations[J].JournalofMaterialsScience,1995,30(17):420542146GandhamPhanikumar,SambandamManjini,PradipDutiaetal..CharacterizationofacontinuousCO2laser2weldedFe2Cudissimilarcouple[J].MetallurgicalandMaterialsTransactionsA,2005,36(8):213721477ZengHao,ZhouZude,ChengYoupingetal..Real2timein2processmonitoringoflaserwelding[J].ChineseJ.Lasers,2001,A28(3):284288,,.[J].,2001,A28(3):2842888YanXiaojun,YangDazhi,LiuLiming.Weldingparametersandmicrostructureofpulselaserwelded316Lstainlesssteelsheet[J].TransactionsoftheChinaWeldingInstitution,2004,25(3):121123,,.316L[J].,2004,25(3):1211239LiXiaoping,TangYangping,FengQingxiu.Researchonthelaserweldingtechnologyforautomobiletransmissiongearsandgearring[J].AutomobileTechnology,2004,(4):2224,,.[J].,2000,(4):222410YuGang,YuHeji.IntegratedLaserIntelligentManufacturing[M].Beijing:MetallurgyIndustryPress,2001.109112,.[M].:,2001.10911211ZhangTaohong,YuGang,WangLixinetal..NumericalcontroloflasermachinesystembasedonPROFIBUS2DP[J].IndustrialControlComputer,2005,18(2):7576,,.PROFIBUS2DP[J].,2005,18(2):757612,,1212,.39,..:021269918253E2mail:gfhai@siom.ac.cn12675134