Waya wozungulira wa Fluxndi njira yothandiza komanso yothandiza kwambiri yowotcherera zitsulo za carbon zochepa za 18-20% Cr/8-12% Ni. Mtundu uwu wa waya wapangidwa kuti upereke kusinthasintha kwabwino komanso mphamvu zabwino kwambiri zamakanika pansi pa mikhalidwe yowotcherera. Kupezeka kwa ferrite mu chitsulo chowotcherera kumachepetsa kusweka, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsa ntchito mitundu yosiyanasiyana ya kuwotcherera. Kuphatikiza apo, kuchuluka kochepa kwa kaboni kumathandiza kulimbitsa kukana kwa dzimbiri la intergranular, zomwe zimapangitsa kuti ikhale chisankho chodalirika pamapulojekiti omwe amafuna ma weld apamwamba.
Polumikiza chitsulo chofewa, kusankha waya wothira ndi flux-core ndikofunikira kwambiri. Kapangidwe kapadera ka waya wothira ndi komwe kamathandizira kuti chitsulo chofewacho chisamasweke mosavuta, vuto lomwe limachitika kawirikawiri pogwira ntchito ndi chitsulo chofewa. Izi zimapangitsa kuti chigwiritsidwe ntchito bwino komwe kufewa ndikofunikira kwambiri, monga malo omangidwa kapena mafakitale.
Chimodzi mwa ubwino waukulu wogwiritsa ntchito waya wozungulira polumikiza chitsulo chofewa ndi momwe amagwirira ntchito bwino kwambiri. Waya uwu wapangidwa kuti upange ma weld okhala ndi mphamvu zabwino kwambiri zamakanika pansi pa mikhalidwe yolumikizira, zomwe zimapangitsa kuti pakhale mgwirizano wolimba komanso wodalirika. Izi ndizofunikira kuti zitsimikizire kuti zigawo zolumikizidwa zimakhala ndi moyo wautali komanso kulimba, zomwe zimapangitsa kuti ikhale chisankho choyamba pa ntchito zosiyanasiyana zolumikizira.
Kuwonjezera pa kukhala ndi mphamvu zabwino kwambiri zolumikizira, waya wofewa wachitsulo chofewa umalimbananso ndi dzimbiri la intergranular chifukwa cha kuchuluka kwa kaboni kochepa. Izi ndizofunikira kwambiri makamaka pamene zinthu zolumikizidwa zimakumana ndi malo ovuta kapena zinthu zowononga. Kuchuluka kwa kaboni kochepa kumathandiza kusunga umphumphu wa weld, kuonetsetsa kuti ikugwira ntchito bwino komanso kudalirika kwa nthawi yayitali.
Mwachidule, waya wolumikizidwa ndi flux ndi njira yabwino kwambiri yolumikizira zitsulo za 18-20% Cr/8-12% Ni zomwe zimakhala ndi mpweya wochepa. Kapangidwe kake kapadera komanso mawonekedwe ake zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito zomwe zimafuna kusinthasintha kwabwino, mphamvu zamakanika komanso kukana dzimbiri. Posankha waya wolumikizidwa ndi flux yoyenera, olumikizira amatha kupeza ma weld apamwamba omwe amakwaniritsa miyezo yapamwamba kwambiri ya magwiridwe antchito komanso kulimba.
Nthawi yotumizira: Marichi-18-2024
