Lapho ushisela, umgomo uwukwakha isibopho esiqinile, esingenamthungo phakathi kwezingcezu ezimbili zensimbi.Ukushisela kwe-MIG kuyinqubo eguquguqukayo engasetshenziswa ukushisela izinhlobonhlobo zezinsimbi ezahlukene.Ukushisela kwe-MIG kuyinqubo enhle yokuhlanganisa izinto zokwakha ndawonye.Kodwa-ke, uma izilungiselelo ezingalungile zisetshenziswa, i-porosity ingafakwa ku-weld.Lokhu kungabangela izinkinga ngamandla nobuqotho be-weld.
Kulesi artical, sizobheka ezinye zezimbangela ze-porosity ku-MIG welding nokuthi ungayivimbela kanjani.
Yini Ebangela I-Porosity Ku-MIG Welding?
I-porosity wuhlobo lwesici sokushisela esingaba khona kuma-welds.Kubonakala njengezimbobo ezincane ku-weld futhi kungenza buthaka isibopho phakathi kwezingcezu ezimbili zensimbi.I-porosity ingabangelwa izici ezihlukahlukene, kuhlanganise:
1) I-Fusion Engaphelele
Lokhu kwenzeka lapho i-arc yokushisela ingancibiliki ngokuphelele isisekelo sensimbi nezinto zokugcwalisa.Lokhu kungenzeka uma umshini wokushisela ungasethiwe ku-amperage efanele noma uma ithoshi lokushisela lingabanjwanga eduze ngokwanele nensimbi.
I-2) Ukutholakala Kwegesi Okubi
Ukushisela kwe-MIG kusebenzisa igesi evikelayo ukuvikela i-weld kumoya-mpilo kanye nokunye ukungcola.Uma ukugeleza kwegesi kuphansi kakhulu, i-porosity ingenzeka.Lokhu kungenzeka uma isilawuli segesi singasethwanga kahle, noma uma kukhona ukuvuza epayipini legesi.
3) Ukungena Kwegesi
Enye imbangela ye-porosity ukuvaleka kwegesi.Lokhu kwenzeka lapho amabhamuza egesi evaleleka echibini lokushisela.Lokhu kungenzeka uma ithoshi lokushisela lingabanjwa nge-engeli efanele noma uma kunegesi evikelayo eningi kakhulu.
4) Ukungcola Nokungcolisa
I-porosity ingabangelwa futhi ukungcoliswa kwensimbi eyisisekelo noma impahla yokugcwalisa.Ukungcola, ukugqwala, upende, nokunye ukungcola nakho kungabangela i-porosity.Lokhu kungenzeka uma insimbi ingahlanzekile ngaphambi kokushisela, noma uma kunokugqwala noma upende phezulu.Lokhu kungcola kungavimbela i-weld ukuthi ingahlangani kahle nensimbi.
5) Igesi Yokuvikela Enganele
Enye imbangela ye-porosity ukunganele kwegesi yokuvikela.Lokhu kungenzeka uma igesi engalungile isetshenziselwa inqubo yokushisela noma uma ukugeleza kwegesi kungasethiwe ngendlela efanele.
Ungakuvimbela Kanjani I-Porosity Ingenzeki Ngesikhathi Senqubo Ye-MIG Welding?
Kunezinto ezimbalwa ongazenza ukuze uvimbele ukwenzeka kwe-porosity ngesikhathi senqubo yokushisela ye-MIG:
1. Sebenzisa izilungiselelo ezifanele: Qiniseka ukuthi usebenzisa izilungiselelo ezifanele emshinini wakho wokushisela.I-amperage ne-voltage kufanele isethwe ngokwemiyalelo yomkhiqizi.
2. Sebenzisa igesi efanele: Qiniseka ukuthi usebenzisa igesi efanele ngenqubo yakho yokushisela.I-Argon ijwayele ukusetshenziselwa ukushisela i-MIG.
3. Ukugeleza kwegesi: Setha izinga lokugeleza kwegesi ngokwemiyalelo yomkhiqizi.Igesi eningi noma encane kakhulu ingabangela i-porosity.
4. Gcina ithoshi lisendaweni efanele: Qiniseka ukuthi ubamba ithoshi nge-engeli efanele ukuze ugweme ukuvaleka kwegesi.Ithoshi kufanele libanjwe nge-engeli engu-10 kuya ku-15-degree ukusuka ebusweni bensimbi.
5. Sebenzisa insimbi ehlanzekile: Qiniseka ukuthi usebenzisa insimbi ehlanzekile, engangcolisiwe ekushiseleleni kwakho.Noma yikuphi ukungcola, ukugqwala, noma upende ongaphezulu kungabangela i-porosity.
6. Weld endaweni enomoya omuhle: Shisela endaweni enomoya omuhle ukuze ugweme ukuvaleka kwegesi.Igesi yokuvikela ingavaleleka ezindaweni ezivalekile.
I-porosity ingavinjelwa ngokulandela lawa macebiso.Ngokusebenzisa izilungiselelo ezifanele kanye nokushisela endaweni enomoya omuhle, ungagwema le nkinga.
Amakhambi Avamile Wokulungisa I-Porosity Welds
Kunamakhambi ambalwa ajwayelekile okulungisa ama-welds athintwe i-porosity:
1. Ukushisela kabusha: Elinye ikhambi elivamile ukushisela kabusha indawo ethintekile.Lokhu kungenziwa ngokushisela endaweni ethintekile nge-amperage ephezulu.
2. Amapulaki e-porosity: Elinye ikhambi elivamile ukusebenzisa amapulaki aqinile.Lawa amadiski ensimbi amancane abekwe phezu kwezimbobo ze-weld.Ama-Porosity plugs angathengwa ezitolo eziningi zokushisela.
3. Ukugaya: Enye indlela ukugaya indawo ethintekile bese uyishisela kabusha.Lokhu kungenziwa nge-grinder ephathwa ngesandla noma i-angle grinder.
4. Intambo yokushisela: Elinye ikhambi ukusebenzisa intambo yokushisela.Lolu wucingo oluncane olusetshenziselwa ukugcwalisa izimbobo ze-weld.Izintambo zokushisela zingathengwa ezitolo eziningi zokushisela.
I-porosity ingalungiswa ngokusebenzisa elinye lalawa makhambi avamile.Ngokushisela kabusha indawo noma ukusebenzisa amapulaki e-porosity, ungakwazi ukulungisa inkinga.
Isikhathi sokuthumela: Dec-23-2022