简介:Throughtheinvestigationontraditionalarcstudweldingprocess,anewweldinggunanditscontrolsystemweredevelopedinthispaper.Thesteppingarcstudweldinggunwasmainlymadebyasteppingmotorasactuatingunitandascrew-drivendeviceasmovingunit.AcontrolsystemwithaMCS-51single-chipmicrocomputerasmaincontrolcomponentwasusedtorealizethenewstudweldingprocedure.Thisnewweldingprocesswithsteppingstudweldinggunisnamedassteppingarcstudwelding.Inthenewweldingprocess,thestudactioncanbelookedasconstitutedbysomemicrosteps.Thesettingandadjustingofthesteppingarcweldinggunbehaviorparametersareaccomplishedindependently.Itisindicatedfromtheresultsofprocesstestsandbendingtestthatthesteppingarcstudweldingprocessispracticable.
简介:Theappliedconditionsofstudweldingononbodyofautomobile,andthecurrentwaveformsandsequencecon-troltechniqueswhicharesettomeetthequalityofstudweldingincarbody,areintroducedinthispaper.Therealiz-ingmethodofcurrentwaveformsandsequencecontrolbasedonmicroprocessorarealsodiscussedindetail,Thewaveformsofoutputweldingcurrentandvoltagearemeasured.Itisprovedthatthetechniquesincludingcurrentwaveforms&se-quencecontrolcansuccessfullymeetthedemandofautomobilestudwelding.