Indlela Yokuphephetha Yegesi Evikelayo

Njengamanje, kunezindlela ezimbili eziyinhloko zokuphefumula kwegesi evikelayo: enye igesi evikelayo ye-paraxial side-blowing, njengoba kuboniswe kuMfanekiso 1; Enye igesi yokuvikela i-coaxial.Ukukhethwa okuqondile kwezindlela ezimbili zokushaywa kucatshangelwa ezicini eziningi. Ngokuvamile, kunconywa ukusebenzisa ukuvuthela ohlangothini ukuze uvikele igesi

i-paraxial blowing igesi yokuvikela

igesi evikelayo ephephetha i-coaxial

Okokuqala, kufanele kucace ukuthi lokho okubizwa ngokuthi i-weld "oxidized" yigama elivamile kuphela. Ngokwethiyori, kubhekiselwa ekuphenduleni kwamakhemikhali phakathi kwe-weld kanye nezithako eziyingozi emoyeni, okuholela ekuwohlokeni kwekhwalithi ye-weld. Kuvamile ukuthi insimbi yokushisela isabelane nomoya-mpilo, i-nitrogen ne-hydrogen emoyeni ezingeni lokushisa elithile.

Ukuvimbela i-weld ekubeni "i-oxidized" ukunciphisa noma ukugwema ukuthintana kwezithako ezinjalo eziyingozi ngensimbi ye-weld esimweni sokushisa okuphezulu. Lesi simo sokushisa okuphezulu akusona nje insimbi encibilikisiwe ye-pool, kodwa yonke inqubo yesikhathi kusukela esikhathini lapho insimbi ye-weld incibilika ekuqinisweni kwensimbi ye-pool futhi izinga lokushisa layo liyancipha libe lokushisa elithile elingezansi.

Isibonelo, i-titanium alloy welding, lapho izinga lokushisa lingaphezu kuka-300 ℃ lingakwazi ukumunca ngokushesha i-hydrogen, ngaphezu kuka-450 ℃ lingakwazi ukumunca umoya-mpilo ngokushesha, ngaphezu kuka-600 ℃ lingakwazi ukumunca ngokushesha i-nitrogen, ngakho-ke i-titanium alloy Welding seam emva kokuqiniswa nokunciphisa izinga lokushisa kuya ku-300 ℃ ngaphansi kwalesi sigaba kufanele ibe nomphumela wokuvikela, ngaphandle kwalokho kuzoba nomphumela wokuvikela.

Kusukela encazelweni engenhla akunzima ukuyiqonda, ukuvikelwa kwegesi evunguzayo akudingi nje kuphela ngesikhathi esifanele ukuvikela i-weld pool encibilikisiwe, futhi kudingeka ukuthi ifakwe endaweni eqandisiwe yokuvikela, ngakho-ke ngokuvamile yamukele i-paraxial eboniswe esithombeni 1 igesi elivikelayo, ngoba le ndlela ihlobene nezindlela zokuvikela uhla lokuvikela lwe-coaxial indlela yokuvikela yesibalo, indawo yokuvikela iqinile kakhulu, indawo i-2 iqiniswe kakhulu.

I-Paraxial side evuthela izicelo zobunjiniyela, akuyona yonke imikhiqizo engasebenzisa indlela yegesi yokuvikela ephephetha uhlangothi lwe-shaft side, kweminye imikhiqizo ethile, ingasebenzisa kuphela igesi yokuvikela i-coaxial, izidingo ezithile ezivela esakhiweni somkhiqizo kanye nokukhetha okuhlosiwe kwefomu elihlanganyelwe.

1. Ama-welds aqondile

Njengoba kukhonjisiwe kuMfanekiso 3, ukuma kokushisela komkhiqizo kuwumugqa oqondile, futhi ifomu elihlanganyelwe lingaba ilunga le-butt, i-lap joint, ilunga lekhona elingalungile noma ijoyinti lokushisela eleqayo. Ngalolu hlobo lomkhiqizo, kungcono ukusebenzisa indlela yegesi yokuvikela ohlangothini lwe-sideshaft njengoba kukhonjisiwe kuMfanekiso 1.

2. I-flat ivaliwe i-weld yesithombe

Njengoba kukhonjisiwe kuMdwebo 4, umumo we-weld womkhiqizo uyisiyingi sendiza, umumo wendiza ohlangene ngezinhlangothi eziningi, umumo wendiza onezigaba eziningi nezinye izimo ezivaliwe. Ifomu elihlanganyelwe lingaba yi-butt joint, i-lap joint, i-welding eyeqayo nokunye. Kulolu hlobo lomkhiqizo, kungcono ukusebenzisa imodi yegesi evikelayo e-coaxial eboniswe kuMfanekiso 2.

Ukukhethwa kwegesi yokuvikela kuthinta ngqo ikhwalithi yokushisela, ukusebenza kahle kanye nezindleko zokukhiqiza, kodwa ngenxa yokwehlukahlukana kwezinto zokushisela, enqubweni yokushisela, ukukhethwa kwegesi yokushisela kuyinkimbinkimbi, kudinga ukucatshangelwa okubanzi kwezinto zokushisela, indlela yokushisela, isikhundla sokushisela, kanye nezidingo zomphumela we-welding, ngokuhlolwa kwe-welding ukukhetha imiphumela efanelekile yokushisela ukuze kuzuzwe kangcono imiphumela yokushisela.

Umthombo: Welding Technology