I-MIG welding ithathwa njengenye yezona nkqubo zilula kakhulu zokufunda kwaye ziluncedo kwiinkqubo ezahlukeneyo kunye namashishini. Ekubeni ucingo lwe-welding luhlala lusondliwa ngompu we-MIG ngexesha lenkqubo, ayifuni ukuyeka rhoqo, njengokuba kunye ne-welding stick. Isiphumo sisantya sokuhamba ngokukhawuleza kunye nemveliso enkulu.
Ukuguquguquka kunye nesantya se-MIG welding kwakhona kwenza kube yinto efanelekileyo yokuwelda indawo yonke kwiintsimbi ezahlukeneyo, kubandakanywa neentsimbi ezithambileyo nezingenasici, kuluhlu lobunzima. Ukongeza, ivelisa i-weld ecocekileyo efuna ukucocwa okuncinci kunentonga okanye i-welding-coreed welding.
Ukwandisa izibonelelo ezinikezelwa yile nkqubo, nangona kunjalo, kunyanzelekile ukuba ukhethe umpu ofanelekileyo weMIG emsebenzini. Ngapha koko, ukucaciswa kwesi sixhobo kunokuchaphazela kakhulu imveliso, ixesha lokuphumla, umgangatho we-weld kunye neendleko zokusebenza - kunye nokuthuthuzela kwabaqhubi. Nantsi ukujonga kwiindidi ezahlukeneyo zemipu ye-MIG kunye nezinye izinto eziphambili ekufuneka ziqwalaselwe xa usenza ukhetho.
Yintoni i-amperage efanelekileyo?
Kubalulekile ukukhetha umpu we-MIG obonelela nge-amperage eyaneleyo kunye nomjikelezo womsebenzi womsebenzi ukwenzela ukuthintela ukushisa. Umjikelo womsebenzi ubhekisela kwinani lemizuzu kwixesha le-10 lemizuzu apho umpu unokusebenza ngokugqibeleleyo ngaphandle kokushisa. Ngokomzekelo, ipesenti ze-60 zomjikelezo womsebenzi uthetha imizuzu emithandathu ye-arc-ngexesha kwi-10-minute span. Ngenxa yokuba uninzi lwabaqhubi bewelding abawedi kangange-100 leepesenti lexesha, ngokufuthi kunokwenzeka ukuba kusetyenziswe umpu we-amperage osezantsi ukulungiselela inkqubo yokuwelda efuna umlinganiselo ophezulu wokulinganisa; imipu esezantsi-i-amperage ithande ukuba yincinci kwaye kulula ukuyiqhuba, ngoko ke ikhululekile ngakumbi kumqhubi we-welding.
Xa uvavanya i-amperage yompu, kubalulekile ukuqwalasela igesi yokukhusela eya kusetyenziswa. Uninzi lwezibhamu kwishishini zivavanywa kwaye zilinganiswe kumjikelezo womsebenzi ngokuhambelana nokusebenza kwazo kunye ne-100 ekhulwini CO2; le gesi ekhuselayo ikholisa ukugcina umpu upholile ngexesha lokusebenza. Ngokwahlukileyo, indibaniselwano yegesi edibeneyo, efana ne-75 yepesenti ye-argon kunye ne-25 yepesenti ye-CO2, yenza i-arc ishushu kwaye ngoko ibangela ukuba isibhamu siqhube ngakumbi, ekugqibeleni sinciphisa umjikelezo womsebenzi. Ngokomzekelo, ukuba umpu ulinganiswe kwi-100 yepesenti yomjikelezo womsebenzi (ngokusekelwe kwi-industry-standard yovavanyo kunye ne-100 yepesenti ye-CO2), ukulinganiswa kwayo ngeegesi ezixubileyo kuya kuba ngaphantsi. Kubalulekile ukubeka ingqalelo kumjikelezo womsebenzi kunye nokukhusela igesi yokudibanisa - ukuba umpu ulinganiswe kwi-60 yepesenti yomjikelezo womsebenzi kunye ne-CO2, ukusetyenziswa kweegesi ezixubileyo kuya kubangela ukuba isibhamu sisebenze ngokushushu kwaye singabikho ixesha elide.
Amanzi- ngokuchasene nomoya opholileyo
Ukukhetha umpu we-MIG onika induduzo engcono kwaye isebenze kwiqondo lokushisa elipholileyo elivunyelwe ngesicelo linokunceda ukuphucula i-arc-ngexesha kunye nokuvelisa - kwaye, ekugqibeleni, ukwandisa inzuzo yokusebenza kwe-welding.
Ukugqiba phakathi kompu we-MIG wamanzi okanye opholileyo kuxhomekeke kakhulu kwisicelo kunye neemfuno ze-amperage, ukhetho lomqhubi we-welding kunye nokuqwalaselwa kweendleko.
Izicelo ezibandakanya i-welding sheet sheet imizuzu embalwa kuphela ngeyure nganye inesidingo esincinci sezibonelelo zenkqubo yokupholisa amanzi. Ngakolunye uhlangothi, iivenkile ezinezixhobo ezimileyo ezityhutyha ngokuphindaphindiweyo kwii-amps ze-600 ziya kufuna umpu we-MIG opholileyo wamanzi ukujongana nobushushu obuveliswa yizicelo.
I-MIG ye-welding system epholile ngamanzi ipompoza isisombululo sokupholisa kwiyunithi ye-radiator, ngokuqhelekileyo idityaniswe ngaphakathi okanye kufuphi nomthombo wamandla, ngokusebenzisa i-hoses ngaphakathi kwentambo yentambo, kunye nompu kunye nentamo. Isipholisi ke sibuyela kwiradiyetha, apho isixokelelwano esibhidayo sikhupha ubushushu obufunxwe sisipholisi. Umoya ojikelezayo kunye negesi ekhuselayo busasaza ngakumbi ubushushu ukusuka kwi-arc ye-welding.
Ngakolunye uhlangothi, inkqubo epholileyo yomoya ixhomekeke kuphela kumoya ojikelezayo kunye negesi ekhuselayo ukutshabalalisa ubushushu obuye banda kubude besekethe ye-welding. Ezi nkqubo, ezisusela kwi-150 ukuya kwi-600 amps, zisebenzisa i-copper cabling etyebileyo kuneenkqubo zokupholisa ngamanzi. Ngokuthelekisa, izibhamu ezipholileyo ngamanzi zivela kwi-300 ukuya kwi-600 amps.
Inkqubo nganye ineengenelo kunye nezingeloncedo zayo. Imipu epholiswe ngamanzi ibiza kakhulu ngaphambili, kwaye inokufuna iindleko ezingaphezulu zokulondolozwa kunye nokusebenza. Nangona kunjalo, imipu epholileyo yamanzi ingaba lula kakhulu kwaye iguquguquke kunemipu epholileyo emoyeni, ngoko inokubonelela ngeenzuzo zokuvelisa ngokunciphisa ukukhathala kwabaqhubi. Kodwa ngenxa yokuba imipu epholiswe ngamanzi ifuna izixhobo ezingaphezulu, isenokungasebenzi kwizicelo ezifuna ukuphatheka.
Ubunzima- ngokuchasene nomsebenzi wokukhanya
Ngelixa umpu womgangatho osezantsi unokufaneleka kwezinye izicelo, qiniseka ukuba ubonelela ngesakhono sokuwelda esifunekayo somsebenzi. Umpu we-MIG okhanyayo udla ngokuba lolona khetho lungcono kakhulu kwizicelo ezifuna amaxesha amafutshane e-arc-on, njengendawo yokukhwela okanye i-welding sheet sheet. Imipu esebenza ukukhanya ngokuqhelekileyo ibonelela nge-100 ukuya kwi-300 amps yomthamo, kwaye ithande ukuba yincinci kwaye inobunzima obungaphantsi kwemipu enzima kakhulu. Uninzi lwemipu ye-MIG esebenza ukukhanya inezibambo ezincinci, ezixineneyo ngokunjalo, zizenza zikhululeke ngakumbi kumqhubi we-welding.
Imipu ye-MIG yokukhanya inika iimpawu eziqhelekileyo kwixabiso eliphantsi. Basebenzisa izinto ezisetyenziswayo ezilula okanye ezisemgangathweni (imilomo, iingcebiso zoqhagamshelwano kunye neentloko ezigcinayo), ezinobunzima obuncinci kwaye zingabizi kakhulu kunezo zisebenza nzima.
Ukukhululeka koxinzelelo kwimipu yokukhanya ngokuqhelekileyo kuqulunqwe inxalenye yerabha eguquguqukayo kwaye, kwezinye iimeko, inokuthi ingabikho. Ngenxa yoko, kufuneka kuthathelwe ingqalelo ukukhusela i-kinking enokuthi iphazamise ukutya kocingo kunye nokuhamba kwegesi. Kwakhona, qaphela, ukusebenza ngokugqithiseleyo umpu we-MIG wokukhanya kunokukhokelela ekungaphumelelini kwangaphambi kwexesha, ngoko ke olu hlobo lompu alunakufaneleka kwiziko elinezicelo ezininzi ezineemfuno ezahlukeneyo ze-amperage.
Kwesinye isiphelo se-spectrum, imipu ye-MIG enzima lolona khetho lungcono kwimisebenzi efuna ixesha elide le-arc-on okanye i-multiple passes kumacandelo ashinyeneyo ezinto eziphathekayo, kubandakanywa izicelo ezininzi ezifunyenwe kwimveliso yezixhobo ezinzima kunye neminye imisebenzi enzima yokuwelda. Le mipu ngokubanzi isuka kwi-400 ukuya kwi-600 amps kwaye ifumaneka kwiimodeli ezipholileyo zomoya kunye namanzi. Bahlala benemiqheba emikhulu ukulungiselela iintambo ezinkulu ezifunekayo ukuhambisa ezi zixhobo ziphezulu. Izibhamu zihlala zisebenzisa izinto ezisindayo eziphambili ezikwaziyo ukumelana ne-amperages ephezulu kunye namaxesha amade e-arc-on. Iintamo zihlala zinde ngokunjalo, ukubeka umgama ngakumbi phakathi komqhubi we-welding kunye nemveliso ephezulu yokushisa evela kwi-arc.
Imipu yokukhupha umsi
Kwezinye izicelo kunye nemisebenzi ye-welding, umpu wokukhupha umphunga unokuba lolona khetho lungcono. Imigangatho yoShishino esuka kuKhuseleko lwezeMisebenzi kunye noLawulo lwezeMpilo (OSHA) kunye namanye amaqumrhu alawula ukhuseleko amisela imida evumelekileyo yokuvezwa komsi we-welding kunye namanye amasuntswana (kubandakanya i-chromium enehexavalent) ikhokelele iinkampani ezininzi ukuba zenze utyalo-mali. Ngokufanayo, iinkampani ezifuna ukwandisa ukhuseleko lwabaqhubi be-welding kunye nokutsala abasebenzi abatsha abanezakhono zokuwelda entsimini banokufuna ukuqwalasela le mipu, njengoko banokunceda ukudala indawo ekhangayo yokusebenza. Imipu yokutsalwa komsi iyafumaneka ngokwesiqhelo ukusuka kwi-300 ukuya kwi-600 amps, kunye nezimbo ezahlukeneyo zentambo kunye noyilo lokuphatha. Njengazo zonke izixhobo ze-welding, zineengenelo kunye nezithintelo zazo, izicelo ezingcono kakhulu, iimfuno zokugcina kunye nokunye. Enye inzuzo eyahlukileyo kwimipu yokutsalwa komsi kukuba isusa umsi kumthombo, inciphisa isixa esingena kwindawo yokuphefumla kwangoko yomqhubi we welding.
Enye inzuzo eyahlukileyo kwimipu yokutsalwa komsi kukuba isusa umsi kumthombo, inciphisa isixa esingena kwindawo yokuphefumla kwangoko yomqhubi we welding.
Izibhamu zokukhupha i-fume zinokuthi, ngokudibanisa nezinye ezininzi eziguquguqukayo kwi-welding operation - i-welding wire selection, iindlela ezithile zokudlulisa kunye neenkqubo ze-welding, ukuziphatha kwe-welding operator kunye nokukhethwa kwezinto ezisisiseko - iinkampani zokunceda ukugcina ukuthotyelwa kwemimiselo yokhuseleko kunye nokudala i-welding ecocekileyo, ekhululekile ngakumbi. okusingqongileyo.
Le mipu isebenza ngokubamba imisi eveliswa yinkqubo yokuwelda kanye kwindawo apho, ngapha nangapha kwechibi le-weld. Abavelisi abahlukeneyo baneendlela zobunikazi bokwakha izibhamu ukwenza esi senzo kodwa, kwinqanaba elisisiseko, bonke basebenza ngokufanayo: ngokuhamba ngobuninzi okanye ukuhamba kwezinto. Le ntshukumo yenzeka ngendlela yegumbi levacuum elifunxa umsi ngomqheba wompu nakwithumbu lompu ukuya kwizibuko elikwinkqubo yokuhluza (ngamanye amaxesha kubhekiselwa kuyo ngokungacwangciswanga njengebhokisi yokufunxa).
Imipu ye-Fume extraction ifaneleke kakuhle kwizicelo ezisebenzisa i-slid, i-flux-cored okanye i-metal cored welding wire kunye nezo ziqhutyelwa kwiindawo ezivaliweyo. Ezi ziquka, kodwa azikhawulelwanga, izicelo kumashishini okwakhiwa kweenqanawa kunye nezixhobo ezinzima, kunye nokuveliswa ngokubanzi kunye nokuveliswa. Zikwakulungele ukuwelda kwi-mild and carbon steel applications, nakwi-stainless steel applications, njengoko le nto ivelisa amanqanaba amakhulu e-chromium enehexavalent. Ukongeza, imipu isebenza kakuhle kwi-amperage ephezulu kunye nezicelo zezinga eliphezulu lokubeka.
Ezinye izinto eziqwalaselwayo: Iintambo kunye nezibambo
Xa kuziwa ekukhetheni ikhebula, ukukhetha eyona ntambo incinci, imfutshane kunye nekhaphukhaphu intambo ekwaziyo ukuphatha i-amperage inokubonelela ngokuguquguquka okukhulu, okwenza kube lula ukulawula umpu weMIG kunye nokunciphisa i-clutter kwindawo yokusebenza. Abavelisi banikezela ngeentambo zoshishino ukusuka kwi-8 ukuya kwi-25 ubude ubude. Okukhona intambo inde, kokukhona inokuba nethuba elingakumbi lokuba ibhijelwe kwizinto ezikwi-weld cell okanye ijikelezwe phantsi kwaye iphazamise ukondla ngocingo.
Nangona kunjalo, ngamanye amaxesha intambo ende iyafuneka ukuba icandelo elidityanisiweyo likhulu kakhulu okanye ukuba abaqhubi be-welding kufuneka bajikeleze iikona okanye ngaphezulu kwezinto ezilungiselelwe ukugqiba umsebenzi okhoyo. Kwezi meko, apho abaqhubi behamba ngasemva naphambili phakathi komgama omde kunye omfutshane, intambo yentsimbi ye-mono coil inokuba lolona khetho lungcono. Olu hlobo lwekhebula alukhabeki ngokulula njengeentambo ezisemgangathweni zeshishini kwaye linokubonelela ngokutya okugudileyo ngocingo.
Isiphatho sompu we-MIG kunye noyilo lwentamo lunokuba nefuthe ukuba umqhubi wemoto unokutshisa ixesha elingakanani ngaphandle kokudinwa. Iinketho zokuphatha ziquka ezithe tye okanye ezigobileyo, zombini ezize ngezitayile eziphumayo; ukhetho luhlala luxhomekeke kumqhubi we-welding.
Isibambo esithe tye lolona khetho lulungileyo kubasebenzisi abakhetha i-trigger phezulu, kuba izibambo ezigobileyo ubukhulu becala aziniki olu khetho. Ngokubamba ngokuthe tye, umqhubi unokujikeleza intamo ukuze abeke i-trigger phezulu okanye phantsi.
Ukuqukumbela
Ekugqibeleni, ukunciphisa ukukhathala, ukunciphisa ukunyakaza okuphindaphindiweyo kunye nokunciphisa uxinzelelo lomzimba jikelele zizinto eziphambili ezinegalelo kwindawo ekhuselekileyo, ekhululekile kunye nemveliso. Ukukhetha umpu we-MIG onika induduzo engcono kwaye isebenze kwiqondo lokushisa elipholileyo elivunyelwe ngesicelo linokunceda ukuphucula i-arc-ngexesha kunye nokuvelisa - kwaye, ekugqibeleni, ukwandisa inzuzo yokusebenza kwe-welding.
Ixesha lokuposa: Jan-01-2023
