Ukushisela kwe-MIG, njenganoma iyiphi enye inqubo, kuthatha ukuzilolonga ukuze uthuthukise amakhono akho. Kulabo abasha kukho, ukwakha ulwazi oluyisisekelo kungathatha ukusebenza kwakho kwe-MIG kuyise kwelinye izinga. Noma uma uke washisela isikhashana, akukaze kube buhlungu ukuba ne-refresher. Cabangela le mibuzo evame ukubuzwa, kanye nezimpendulo zayo, njengamathiphu wokushisela ukukuqondisa.
1. Iyiphi idrayivu roll okufanele ngiyisebenzise, futhi ngibeka kanjani ukungezwani?
Usayizi wentambo yokushisela nohlobo kunquma idrayivu ukuze kutholwe ukuphakelwa kwezintambo okubushelelezi, okungaguquki. Kunezinketho ezintathu ezijwayelekile: i-V-knurled, i-U-groove ne-V-groove.
Bhangqa igesi- noma izintambo ezizivikelayo ezinamaroli e-V-knurled drive. Lezi zintambo zokushisela zithambile ngenxa yomklamo wazo wamashubhu; amazinyo kuma-drive rolls abambe ucingo aluphushele ku-feeder drive. Sebenzisa ama-U-groove drive rolls ukuphakela izintambo zokushisela ze-aluminium. Ukuma kwalawa ma-drive rolls kuvimbela ukumoshwa kwalolu cingo oluthambile. Amaroli e-V-groove drive ayinketho engcono kakhulu yocingo oluqinile.
Ukuze usethe ukushuba kwesimo sedrayivu, qala ngokukhulula amaroli edrayivu. Khulisa ukungezwani kancane kancane ngenkathi unikeza ucingo esandleni sakho esinamagilavu. Qhubeka kuze kube yilapho ukushuba kwesimo kudlula ukushelela kwentambo okuyingxenye. Phakathi nenqubo, gcina isibhamu siqondile ngangokunokwenzeka ukuze ugweme ukuhlanganisa ikhebula, okungase kuholele ekungadlini kahle ucingo.
Ukulandela ezinye izinqubo ezihamba phambili ezibalulekile ezihlobene nezintambo zokushisela, ama-drive rolls kanye negesi yokuvikela kungasiza ekuqinisekiseni imiphumela emihle kunqubo yokushisela ye-MIG.
2. Ngiyithola kanjani imiphumela engcono kakhulu ocingweni lwami lokushisela lwe-MIG?
Izintambo zokushisela ze-MIG ziyahlukahluka ngezici zazo kanye nemingcele yokushisela. Ngaso sonke isikhathi hlola i-specpe yocingo noma ishidi ledatha ukuze uthole ukuthi iyiphi i-amperage, i-voltage kanye nesivinini sokuphakela kwentambo esituswa ngumkhiqizi wensimbi yokugcwalisa. Amashidi athile ngokuvamile athunyelwa ngentambo yokushisela, noma ungawalanda kuwebhusayithi yomkhiqizi wensimbi yokugcwalisa. Lawa mashidi futhi ahlinzeka ngezidingo zegesi yokuvikela, kanye nebanga lokuthintana ukuya emsebenzini (CTWD) kanye nokwelulwa kwentambo yokushisela noma izincomo zokunamathela.
I-Stickout ibaluleke kakhulu ukuze uthole imiphumela emihle. Ukunamathela isikhathi eside kudala ukushisela okubandayo, kwehlise i-amperage futhi kunciphisa ukungena ngokuhlanganyela. I-stickout emfushane ngokuvamile ihlinzeka nge-arc ezinzile kanye nokungena okungcono kwe-low-voltage. Njengomthetho wesithupha, ubude bokunamathela obungcono kakhulu yibo obufushane kakhulu obuvunyelwe kuhlelo lokusebenza.
Ukugcinwa okufanele kwezintambo zokushisela nokubamba nakho kubalulekile emiphumeleni emihle ye-MIG yokushisela. Gcina i-spool endaweni eyomile, njengoba umswakama ungalimaza ucingo futhi uholele ekuqhekekeni okubangelwa i-hydrogen. Sebenzisa amagilavu uma uphethe ucingo ukuze uluvikele kumswakama noma ukungcola okuvela ezandleni zakho. Uma ucingo lukwisiphakeli socingo, kodwa lungasebenzi, vala i-spool noma ulususe bese ulufaka esikhwameni sepulasitiki esihlanzekile.
3. Iyiphi ikhefu lokuxhumana okufanele ngiyisebenzise?
Ikhefu lethiphu yokuxhumana, noma indawo yethiphu yokuxhumana phakathi kwenozi yokushisela ye-MIG, kuncike kwimodi yokushisela, izintambo zokushisela, isicelo kanye negesi yokuvikela oyisebenzisayo. Ngokuvamile, njengoba ukwanda kwamanje, ikhefu lethiphu yokuxhumana kufanele likhule. Nazi ezinye izincomo.
I-recess engu-1/8- noma engu-1/4-intshi isebenza kahle ekushiseleni ngaphezu kwama-amps angu-200 kusifutho noma i-high-current pulse welding, uma kusetshenziswa ucingo olunezintambo zensimbi namagesi okuvikela anothe nge-argon. Ungasebenzisa i-wire stickout engu-1/2 kuya ku-3/4 amayintshi kulezi zimo.
Gcina ithiphu yakho yokuxhumana ishaywa ngombhobho lapho ushisela ngaphansi kwama-amps angu-200 kumjikelezo omfishane noma ezimodini ze-low-current pulse. Ukunamathela kwentambo engu-1/4- kuya ku-1/2-intshi kuyanconywa. Ku-1/4-inch stick out in short circuit, ikakhulukazi, ikuvumela ukuthi ushisele ezintweni ezizacile ngengozi encane yokusha noma i-warping.
Uma ushisela amalunga okunzima ukufinyelela kuwo futhi ngaphansi kwama-amps angu-200, ungakwazi ukunweba ithiphu yokuxhumana ngo-1/8 intshi ukusuka kubhobho bese usebenzisa okunamathiselwe okungu-1/4-intshi. Lokhu kulungiselelwa kuvumela ukufinyelela okukhudlwana kumajoyinti okunzima ukuwafinyelela, futhi kusebenza kahle kumjikelezo omfushane noma amamodi e-low-current pulse.
Khumbula, ikhefu elifanele liyisihluthulelo sokunciphisa ithuba le-porosity, ukungena okunganele kanye nokusha kanye nokunciphisa isiphalaphala.
Indawo ekahle yethiphu yokuxhumana iyahlukahluka kuye ngohlelo lokusebenza. Umthetho ojwayelekile: Njengoba ukwanda kwamanje, ikhefu kufanele likhuphuke.
4. Iyiphi igesi yokuvikela eyilungele intambo yami yokushisela ye-MIG?
Igesi evikelayo oyikhethayo incike ocingweni nasekusetshenzisweni kwayo. I-CO2 ihlinzeka ngokungena okuhle lapho ushisela izinto eziwugqinsi, futhi ungayisebenzisa ezintweni ezizacile njengoba ijwayele ukusebenza ngokupholile, okunciphisa ingozi yokusha. Ukuze uthole ukungena kwe-weld eyengeziwe kanye nokukhiqiza okuphezulu, sebenzisa amaphesenti angu-75 we-argon/25 amaphesenti angu-CO2 mix. Le nhlanganisela iphinde ikhiqize i-spatter encane kune-CO2 ngakho-ke kuncane ukuhlanzwa kwe-post-weld.
Sebenzisa igesi evikelayo engamaphesenti angu-100 ye-CO2 noma ingxube ye-argon engamaphesenti angu-75 ye-CO2/25 ehlanganiswe ne-carbon steel solid wire. Intambo ye-aluminium yokushisela idinga igesi evikela i-argon, kuyilapho intambo yensimbi engenasici isebenza kangcono nge-tri-mix ye-helium, i-argon ne-CO2. Ngaso sonke isikhathi ireferensi yeshidi lokucaciswa kocingo ukuze uthole izincomo.
5. Iyiphi indlela engcono kakhulu yokulawula i-weld puddle yami?
Kuzo zonke izikhundla, kungcono ukugcina intambo yokushisela iqondiswe ngasemaphethelweni aphambili we-weld puddle. Uma ushisela ngaphandle kwendawo (umile, uvundlile noma ngaphezulu), ukugcina idamu lokushisela lincane kunikeza ukulawula okungcono kakhulu. Futhi sebenzisa i-diameter yocingo encane kakhulu ezogcwalisa ijoyinti lokushisela ngokwanele.
Ungakwazi ukukala okokufaka kokushisa nesivinini sohambo ngobuhlalu obushiseliwe obukhiqiziwe futhi ulungise ngokufanele ukuze uthole ukulawula okungcono nemiphumela engcono. Isibonelo, uma ukhiqiza ubuhlalu bokushisela obubude kakhulu futhi buhle kakhulu, kubonisa ukuthi okokufaka ukushisa kuphansi kakhulu futhi/noma isivinini sakho sohambo sishesha kakhulu. Ubuhlalu obuyisicaba, obubanzi buphakamisa okokufaka ukushisa okuphezulu kakhulu kanye/noma ukuhamba kancane kakhulu kwezivinini zokuhamba. Lungisa amapharamitha akho kanye namasu ngokufanele ukuze uzuze ukushisela okuhle, okunomqhele omncane othinta nje insimbi ewuzungezile.
Lezi zimpendulo zemibuzo evame ukubuzwa zithinta kuphela izinqubo ezimbalwa ezihamba phambili zokushisela i-MIG. Hlala ulandela izinqubo zakho zokushisela ukuze uthole imiphumela emihle. Futhi, izinto eziningi zokushisela kanye nabakhiqizi bezintambo banezinombolo zosekelo lobuchwepheshe ukuxhumana nemibuzo. Angasebenza njengesisetshenziswa esihle kakhulu kuwe.
Isikhathi sokuthumela: Jan-02-2023
