Ukwelulwa okomile
Ukugeleza kwegesi L=[(10-12)d] L/min
Ubude bombhobho oqhubayo ophumayo wentambo ubude bokunwebeka okomile. Ifomula ejwayelekile yokuhlolwa iphindwe kayi-10-15 ubukhulu bocingo L = (10-15) d. Uma indinganiso inkulu, iba nkulu kancane. Imininingwane incane, incane kancane.
Ukwelula okomile kude kakhulu: Uma ubude bentambo yokushisela bunwebeka kakhulu, lapho ukushisa kokumelana kwentambo yokushisela kukhulu, isivinini sokuncibilika kwentambo yokushisela sishesha kakhulu, okungabangela kalula ukuthi intambo yokushisela ihlangane ngezigaba, ichitheke, incibilike ukujula, kanye nokusha kwe-arc okungazinzile. Ngesikhathi esifanayo, umphumela wokuvikela igesi awumuhle.
Ukwelula okomile kufushane kakhulu: kulula ukushisa umlomo oqhubayo. Ngesikhathi esifanayo, umlomo oqhubayo kulula ukuwubamba ucingo uma ushisa. Ama-splash avame ukuvala umlomo bese encibilika kakhulu.
Ithebula 1 Ubudlelwano obuhambisanayo phakathi kobude bamanje nobomile
| Umshini wokushisela (A) | ≤200A | 200-350A | 350-500A |
| Ukwelulwa okomile (mm) | 10-15mm | 15-20mm | 20-25mm |
Ukugeleza kwegesi
Ukugeleza kwegesi L=[(10-12)d] L/min
Kukhulu kakhulu: kudala ukuxokozela, okubangela ukungena komoya kanye nama-pores, ikakhulukazi ezintweni ezizwela igesi (njenge-aluminium alloys, i-magnesium alloys, njll., ngokuvamile eziyi-internal pores)
Kuncane kakhulu: ukuvikelwa kwegesi okungekuhle (ungabhekisela ezimweni zomkhawulo, okusho ukuthi ayikho igesi evikelayo, futhi izikhala ezimise okwezinyosi zivame ukuvela).
Isivinini somoya asithinteki uma singaphezulu kuka-≤2m/s.
Izinyathelo kufanele zithathwe uma isivinini somoya singu-≥2m/s.
① Khulisa izinga lokugeleza kwegesi.
② Thatha izinyathelo ezingangeni moya.
Qaphela: Uma kwenzeka ukuvuza komoya, kuzovela imigodi yomoya ku-weld. Indawo yokuvuza komoya kumele iphathwe futhi ayikwazi ukwenezelwa ngokwandisa izinga lokugeleza. Ayikho indlela yokulungisa imigodi yomoya ngaphandle kokuyisusa. Izoshintshwa kakhulu.
Amandla e-Arc
Uma ubukhulu bepuleti obuhlukene, izikhundla ezahlukene, imininingwane ehlukene, kanye nezintambo zokushisela ezihlukene, kukhethwa amandla e-arc ahlukene.
Kukhulu kakhulu: umugqa oqinile, ukuchaphaza okukhulu.
Kuncane kakhulu: umugqa othambile, ukuchaphaza okuncane.
Amandla okucindezela
Iqine kakhulu: Intambo yokushisela ikhubazekile, ukuphakelwa kwentambo akuzinzile, futhi kulula ukubangela ukuminyana kwentambo nokwandisa ukuchaphazeka.
Ikhululekile kakhulu: Intambo yokushisela iyashelela, intambo ithunyelwa kancane, ukushisela akuzinzile, futhi kuzobangela ukuchitheka.
Amandla kagesi, i-voltage
Ifomula engokomfanekiso yobudlelwano phakathi kwamandla kagesi kanye ne-voltage yokushisela okuvikela igesi: U=14+0.05I±2
Umsinga wokushisela kufanele ukhethwe kahle ngokusekelwe ekujiyeni kwezinto eziyisisekelo, isimo sokuhlangana kanye nobubanzi bentambo. Ngesikhathi sokushintsha kwesekethe esifushane, zama ukukhetha umsinga omncane ngenkathi uqinisekisa ukungena, ngoba uma umsinga umkhulu kakhulu, kulula ukubangela ukuthi ichibi lokuncibilika ligingqike, hhayi nje kuphela ukuthi lichitheke kakhulu, kodwa nokubumba nakho kubi kakhulu.
I-voltage yokushisela kumele yakhe ukuhambisana okuhle nomsinga. I-voltage yokushisela iphezulu kakhulu noma iphansi kakhulu, okuzobangela ukuchitheka. I-voltage yokushisela kufanele ikhuphuke ngokukhuphuka komsinga wokushisela futhi kufanele yehle ngokuncipha komsinga wokushisela. I-voltage efanele yokushisela ngokuvamile iphakathi kuka-1-2V, ngakho-ke i-voltage yokushisela kufanele ilungiswe ngokucophelela.
Umsinga mkhulu kakhulu: ubude be-arc bufushane, ukuchaphaza kukhulu, umuzwa wesandla esiphezulu, ukuphakama okusele kukhulu kakhulu, futhi izinhlangothi ezimbili azihlanganisiwe kahle.
I-voltage iphakeme kakhulu: i-arc yinde, i-sprash inkulu kancane, ugesi awuzinzile, ukuphakama okusele kuncane kakhulu, i-welding ibanzi, futhi i-arc ishiswa kalula.
Imiphumela yesivinini sokushisela esisheshayo ekushiseleni
Ijubane lokushisela linomthelela obalulekile kwikhwalithi yangaphakathi kanye nokubukeka kwe-weld. Uma i-voltage yamanje ingaguquki:
Ijubane lokushisela lishesha kakhulu: ukujula kokuncibilika, ububanzi bokuncibilika, kanye nokuphakama okusele kuyancishiswa, kwakha ubuhlalu bokushisela obuyi-convex noma obuyi-hump, kanti izinzwane ziluma inyama. Uma ijubane lokushisela lishesha kakhulu, umphumela wokuvikela igesi uzolimala futhi ama-pores akhiqizwe kalula.
Ngesikhathi esifanayo, ijubane lokupholisa lensimbi yokushisela lizosheshiswa ngokufanele, ngaleyo ndlela kuncishiswe ukuqina kwensimbi yokushisela. Kuzophinde kubangele ukuthi kuvele unqenqema phakathi kokushisela, okuholela ekubunjweni okubi.
Ijubane lokushisela lihamba kancane kakhulu: ichibi elincibilikisiwe liba likhulu, ubuhlalu bokushisela buba banzi, futhi izinzwane zokushisela ziyachichima. Igesi echibini elincibilikisiwe ikhishwa kalula ngenxa yejubane lokushisela elihamba kancane. Isakhiwo sensimbi se-weld sijiyile noma sishisiwe ngenxa yokushisa ngokweqile.
Uma ukhetha amapharamitha okushisela, kufanele kulandelwe lezi zimo ezilandelayo: ukushisela kuhle ngokubukeka futhi akunazo iziphambeko ezifana nokusha, ukunqunywa, ama-pores, imifantu, njll. Ukujula kokuncibilika kulawulwa ngaphakathi kwebanga elifanele. Inqubo yokushisela izinzile futhi ukuchaphaza kuncane. Kwakukhona umsindo wokurhashaza ngesikhathi sokushisela. Ngesikhathi esifanayo, umkhiqizo ophezulu kufanele utholakale.
Isikhathi sokuthunyelwe: Mashi-10-2025