Izintambo zokushisela zensimbi engagqwali ze-Flux core ziqukethe izinto ezahlukahlukene zokwenza lula inqubo yokushisela ngokungafani nezezintambo zokushisela zensimbi yegesi eziqinile kuyo yonke indawo. Kunezinhlobo ezimbili zezintambo zensimbi engagqwali ze-flux core ezivikelwe yigesi kanye nezivikelwe ngumuntu. Kodwa-ke ukusetshenziswa kunqunywa kuye ngohlobo lwephrojekthi kanye nesabelomali.
Ukuze kusetshenziswe ukushisela okusheshayo kwe-arc, kusetshenziswa izintambo ezine-cored cored ezivikelwe ngegesi njengoba zinezinga eliphezulu lokusabalalisa uma kuqhathaniswa ne-solid wire welder. Intambo ngokuphambene nalokho ngeke ikwazi ukushisela noma yimuphi umzimba wensimbi omncane njengowemoto.
Ngakolunye uhlangothi, ucingo lokushisela oluzivikelayo luyakwazi ukukhiqiza ukuvikela igesi okuyisici sokuvikela esidingekayo yizintambo zokushisela eziqinile nezivikela igesi ukuvikela ukuchitheka kwensimbi. Izintambo zokushisela ezizivikelayo ezahlukahlukene ziyatholakala emakethe eziklanyelwe ngokukhethekile ukukhonza izikhundla zokushisela ezihlukile. Intambo yokushisela evikelekile eguquguqukayo enesilinganiso esiphakeme sokulungiswa, inakekela ukushisela kwemizimba yensimbi ewugqinsi kuphela. Lesi sici sifana kakhulu nesezintambo zensimbi engagqwali ezivikela igesi.
I-slag yakhiwa ezintanjeni ezivikelwe ngegesi, ikhwalithi evumela ukuthi ishibilike ngama-amperage aphezulu kunezintambo zokushibilika zensimbi yegesi. Ukwakheka kwe-slag okuyingqayizivele akuvumeli i-weld splash ibe uketshezi. Lokhu kwenza umsebenzisi akwazi ukusebenzisa ucingo oluvikelwe ngegesi ekushibilikeni okuqondile. Ngemva kokuqedwa kokushibilika ukususa i-slag kuwumsebenzi olula uma kuqhathaniswa nowasezintamboni ezivikelwe ngegesi.
Ucingo oluzivikelayo alukhiqizi i-slag ukuze lubambe uketshezi endaweni yokushisela ngakho-ke alukwazi ukusetshenziswa ekushiseleni okuqondile. Ukususa i-slag kuthatha isikhathi esiningi nomzamo omkhulu kumsebenzisi.
Ngokusho kwabaqhubi bokushisela kanye nabakhiqizi bezintambo zensimbi engagqwali, ukubukeka kwe-weld kubaluleke kakhulu ebhizinisini labo. Ukusebenza ngensimbi engaphansi kwamasentimitha angu-3/16 futhi kuyiguqula ibe yishidi lensimbi elincane elinama-gauge angu-24, ucingo oluqinile luzohlinzeka ngokubukeka okuhlanzekile uma kuqhathaniswa nezintambo ze-flux. Endaweni lapho ijubane lomoya lingenakunakwa khona, ucingo oluqinile noma oluvikelwe ngegesi oluvikelwe nge-flux alunakusetshenziswa njengoba luzogcina luveze igesi yokuvikela esivinini somoya okuzothinta ubuqotho bokushisela. Ucingo oluzivikelayo ngokuphambene nalokho lufanelekela ukushisela endaweni engaphandle ikakhulukazi lapho umoya uvunguza ngesivinini esikhulu. Ucingo oluzivikelayo lunokuthwaleka okuphezulu ngoba aludingi igesi yokuvikela yangaphandle. Ukuthwaleka kusiza ukushisela emsebenzini wezolimo lapho ukulungiswa kwemishini yasensimini kungenziwa khona ngokushesha ngosizo lwezintambo ezizivikelayo njengoba indawo yokulungisa izoba ngamakhilomitha ambalwa ukusuka lapho. Lezi zintambo zinikeza ukungena okuhle kakhulu ezinsimbini ezijiyile.
Naphezu kokuba zibiza kakhulu kunezintambo eziqinile, izintambo ezine-flux cored zinikeza umkhiqizo owengeziwe. Ngokungafani nezintambo eziqinile ziyakwazi ukushisela izinto ezinokugqwala okuhlala isikhathi eside, isikali sokugaya noma izinsimbi ezimbozwe ngowoyela. Izinto ezisusa i-oxidizing ezitholakala ezintanjeni ezine-flux cored zisusa lezi zingcolisi ngokuzigcina zimbozwe yi-slag.
Isikhathi sokuthunyelwe: Disemba 23-2022