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1、Automobilemanufacturersweldingapplicationofnewtechnologieswiththeoveralldevelopmenttrend
Weldingisamodernmechanicalmanufacturingprocessanecessarywaytogetcarmanufacturersatawiderangeofapplications.Automobileengine,gearbox,axle,frame,body,insidethesixcannotbeseparatedfromthetot
2、alChengduweldingtechniques.Atthemanufactureofautomotivecomponents,spotwelding,projectionwelding,seamwelding,rollwelding,arcweldingelectrodes,CO2gasshieldedarcwelding,argonarcwelding,gaswelding,brazing,frictionwelding,electronbeamweldingandlaserwelding,etc.typesofweldingmethod
3、s,becauseofspotwelding,gasshieldedarcwelding,brazingwiththeproductionvolumeisverylarge,ahighdegreeofautomation,high-speed,lowpower,weldingdeformationofsmall,easy-to-usefeatures,sothecoverageofautobodysheetmetalpartsisparticularlysuitable,so,inautomobileproductioninthemostwide
4、lyused.Investmentcostsatabout75%inspotwelding,otherweldingmethodsaccountforonly25%.
Withthedevelopmentoftheautomobileindustry,auto-bodyweldingproductionlineisalsograduallydevelopinthedirectiontothefullyautomated,inordertocatchupwithinternationalstandards,improveproductivityat
5、thesametime,requireseffortstoimprovethequalityofautomobilemanufacturers.Asweallknow,implementationisaprerequisiteforautomatedmanufactureofpartsandcomponentstohighprecision,thesmallesthopeofweldingdistortion,weldingsiteswantfreshappearance,andcalledformoreandmorehigh-weldingte
6、chnology.Facingourcountry'saccessiontoWTOopportunitiesandchallenges,weldingareaofthepopularizationandapplicationofnewtechnologiesfortheautomotiveindustrytoenhancethebrandhasanextremelyimportantrole.First,theautoindustryusedweldingmethodsandtheapplicationofpartsandcomponentsAu
7、tomotiveapplicationsareweldingindustrynoodleoneofthemostwidelyusedmethodofweldingawiderangeofapplicationsasfollows:
1.ResistanceWelding
(1)Spotweldingusedmainlyforbodyassembly,flooring,doors,sideWaiWaiafter,theformerbridgeandsmallparts.
(2)Multi-spotweldingforbodybaseboardcon
8、tainingboxcardoors,enginecoverandtrunkcover.
(3)Projectionweldingand
