6mm不銹鋼(304)光纖激光焊接工藝的研究.pdf

1、江蘇大學碩士學位論文6mm不銹鋼（304）光纖激光焊接工藝的研究姓名：胡亮申請學位級別：碩士專業(yè)：機械電子工程指導教師：張永康羅敬文20100606江蘇大學碩士學位論文AbstractInlaserweldingProcess，becauseofitshighenergydensity，itcouldformabigratiowhichpenetrationdepthtopenetrationwidthAddedtheweldingli

2、nehasasmallheataffectZoneandaperfectappearance，laserweldinghasbeenmoreandmorepopularinweldfieldRecentyears，withthematureandindustrializationofthefiberlasertechnologyhigh—powerlasermarketdominatedbyC02laserissufferingseve

3、reimpactsandchallengesAllkindsofhi曲powerfiberlaserprocessingequipmentsarepouringintooursightAsanewlasersource，fiberlaserweldingtechnologynaturallybecomespeople’Sresearchhotspot0Crl9Ni9isthemostwidelyusedanickelchromestai

4、nlesssteel，whichhasgoodcorrosionresistance，heatresistance，lowtemperaturestrengthandmechanicalpropertiesInthispaperthefiberlasertailorweldedexperimentwascarriedoutonthethicknessof6mm304stainlesssteel(0Crl9Ni9)byorthogonal

5、experimentalmethod，Theinfluenceoftheparametersincludinglaserpowerweldingspeedandthedefocusingdistanceonthequalityandsurfacemorphologyoftheweldinglinewereinvestigated，andtheexperimentalresultswereanalyzedcombinedwiththeth

6、eoryoflaserdeeppenetrationweldingMeanwhile，thetensilepropertyofthetestpiecewasmeasuredThroughallofthis，wefmallyfindoutthebestlaserweldingprocessparametersfor6mmstainlesssteelTheexperimentalresultshowsthatgoodweldingquali

7、tycanbeachievedalthoughthereisgapbetweenthetwoweldingpartsThemeasurementresultillustratesthatthetensilestrengthofweldingseamisassameasthatofbasematerialThepaperalsointroducesanewkindoflaserweldingequipmentlaserweldingrob

8、otsystemLaserweldingrobotsystemismainlyusestherobotsspatialmotionstrengthandcharacteristicsofflexibletransmissionoffiberlasertoachieveautobodycovering’SweldingThemainresearchcontentsaboutthecontrolsystemoftheequipmentint