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1WeldrobotapplicationpresentconditionAccordingtoincompletelystatistics,thewholeworldabouthasintheindustrialrobotofservicenearlyhalfofindustrialrobotsisusedformultiformweldtoprocessrealm,weldrobotofapplicationinmainlyhavetwokindsofmethodsmostwidespreadly,thenorderHanandelectricityHuHan.Whatwesay'sweldingrobotisinfactweldingtoproducerealmtoreplaceaweldertobeengagedintheindustrialrobotofweldingthetask.Theseweldtohaveplentyoftodesignforbeingacertaintoweldawayexclusivelyintherobotof,butmajorityoflyweldrobotinfactisaningeneraluseindustrialrobottopackupacertainweldtoolbutconstitute.Inmanytaskenvironments,asetrobotevencancompleteincludeweldatinsideofgraspathing,porterage,install,weld,unloadtoanticipateetc.varioustasks,robotcanrequestaccordingtotheprocedurewithtaskpropertyandautomaticallyreplacethetoolontherobotwrist,thecompletioncorrespondsoftask.Therefore,comeuptosayfromacertainmeaning,thedevelopmenthistoryofindustrialrobotisthedevelopmenthistorythatweldsrobot.Knowtoall,weldtoprocesstorequestthatwelderhavetohavewell-trainedoperationtechnicalability,abundantfulfillmentexperience,stabilityofweldlevel;Itisstillakindoflaborconditionbad,manysmokeanddust,hottheradiationisbig,riskGaoofwork.Theemergenceoftheindustrialrobotmakespeoplenaturallythoughtoffirstthehandicraftthatreplaceapersonwithitweldsandeasesthewelder'slaborstrength,canalsopromisetoweldqualityandexaltationtoweldanefficiencyatthesametime.However,weldagainwithotherindustryprocessprocessdifferent,forexample,electricityHuHanprocessin,drivewelderpiecebecauseofpartheatmeltwithcooloffcreationtransform,theHansewsofthetrackwillthereforetakeplacetochange.HandicraftHantheexperiencedweldercansewpositionaccordingtotheactualHanobservedbyeyesadjustmentHaningoodtimetheposition,carriageofthegunandrunaboutofspeedtoadapttothevarietythattheHansewsatrack.Howevertherobotwanttoadapttothiskindofvariety,havetothepositionandstatusofgunthatwanttoseethiskindoftochange,thenadopthomologousmeasuretoadjustHanlikepersonfirst,followwhilecarryingouttosewactuallytotheHan.BecausetheelectricityHuweldstohaveinprocessstrongarclight,giveorgetanelectricshockHunoise,smokeanddustandRongdroptransitionunsteadyandcausableHansilkshortcircuit,bigelectriccurrentstrongmagneticfieldetc.complicatedenvironmentfactorofexistence,therobotwantstoexamineandidentifiesawithdrawingofthesignalcharacteristicneededforsewingHananddon'tseemtobeindustrialtheotherinthemanufacturingtoprocesstheexaminationofprocesssoeasily,therefore,weldingtheapplicationofrobotistousedfortogiveorgetanelectricshocktheprocessofHuHaninthebeginning.Actually,industrialrobotatweldedtheapplicationofrealmtoproduceon-lineelectricresistancetoorderaHanbeginningfromthecarassembleattheearlieststage.ThereasonliesintheprocessthattheelectricresistanceordersHanoppositemoresimple,controlconvenient,andnotneedHantosewatrackfollow,totheaccuracyoftherobotandrepeatthecontrolofaccuracyhavelowerrequest.OrdertheHanrobotassemblestoproduceagreatdealofon-lineapplicationtoconsumedlyraisetherateofproductionthatthecarassembleweldsandweldqualityinthecar,atthesametimeagainhaveagentlecharacteristicsforwelding,thenwant～onlychangeprocedure,canproduceinthesameon-linecarryonassembletoweldto2differentcarstype.BEborntillthebeginningofthis80'sincenturyfromtherobot,therobottechniqueexperiencedadevelopmentprocessoflongtermslowness.90's,alongwiththerapiddevelopmentofcalculatortechnique,micro-electronicstechnique,andnetworktechnique...etc.,therobottechniqueisalsoflownsoonadevelopment.Themanufacturinglevel,controlspeedandcontrolaccuracyanddependablesexetc.ofindustrialrobotcontinuouslyraises,butmanufacturingcostandpriceofrobotcontinuouslydescend.Issocialinthewest,withcontraryrobotpriceBE,theperson'slaborforcecostcontainsthetrendtocontinuouslyincrease.UnitedNationsEuropeanEconomicCommittee(UNECE)statisticsesfromthevarietycurveof1990-2000yearsoftherobotpriceindexnumberandlaborforcecostindexnumber.Amongthemtherobotpriceof1990indexnumberandlaborforcecosttheindexnumberisallreferencetobeworth100,goto2000,laborforcecostindexnumberis140,increased40%;Butrobotunderthesistuationthatconsideraqualityfactorthepriceindexnumberislowerthan20,lowered80%,underthesistuationthattakenoaccountofaqualityfactor,thepriceindexnumberofrobotisabout40,lowered60%.Here,therobotpricethattakesnoaccountofaqualityfactormeansactualpriceoftherobotofnowwithcomparedinthepast;Andconsiderthatthequalityfactormeansbecausetherobotmaketheexaltationofcrafttechniquelevel,manufacturingqualityandfunctionofrobotevenifwantalsoundertheconditionofequalpricecomparehighbefore,therefore,ifpressedthepastrobotequaledqualityandfunctiontoconsider,thepriceindexnumberofrobotshouldbemuchlower.Canseefromhere,nationalinthewest,becausetheexaltationoflaborforcecostbringsnotsmallpressureforbusinessenterprise,buttheloweringofrobotpriceindexnumbercoincidentallyexpandsapplicationtobringachancefurtherforitagain.Reducetheequipmentsinvestmentofemployeeandincrementrobot,whentheirexpensesattainssomeonebalancepoint,thebenefitofadoptionrobotobviouslywantstocomparetoadop