Submerged baka waldikarkace karfe bututuyana amfani da waya mai ci gaba da waldawa azaman lantarki da ƙarfe mai filler. A lokacin aiki, an rufe yankin waldawa da Layer na granular flux. Ƙarƙashin bututu mai girman diamita yana ƙonewa a ƙarƙashin ɗigon ruwa, yana narkar da ƙarshen wayar walda da ɓangaren ƙarfe na tushe. Karkashin aikin zafi na baka don samar da walda, ruwan sama yana narkar da slag kuma yana amsa karfe tare da karfen ruwa. Narkakkar tufar tana yawo a saman tafkin narkakken karfen. A gefe guda kuma, yana iya kare ƙarfen walda, da hana gurɓacewar iska, da kuma haifar da halayen jiki da sinadarai tare da narkakken ƙarfe, da inganta tsari da aikin ƙarfen walda. A daya bangaren kuma, yana iya sanya karfen weld din ya yi sanyi a hankali. Submerged baka waldi iya amfani da ya fi girma waldi halin yanzu, da kuma abũbuwan amfãni ne mai kyau weld ingancin da high waldi gudun. Saboda haka, shi ne musamman dace da waldi manyan-diamita karkace karfe bututu. Yawancinsu sun ɗauki walƙiya mai sarrafa kansa, wanda aka yi amfani da shi sosai a cikin walda na ƙarfe na carbon, ƙaramin tsari na ƙarfe, da bakin karfe.

High-mita waldi hanya ce mai ƙarfi juriya na walƙiya. Za'a iya raba walda mai ƙarfi zuwa babban walƙiya mai lamba mai girma da shigar da walda mai ƙarfi dangane da yadda babban mitar halin yanzu ke haifar da zafi a cikin kayan aikin. A lokacin da tuntuɓar high-mita waldi, high-mita halin yanzu ana daukar kwayar cutar a cikin workpiece ta inji lamba tare da workpiece. Lokacin shigar da babban walƙiya, babban mitar halin yanzu yana haifar da haɓakar halin yanzu a cikin aikin aikin ta hanyar haɗakar da na'urar shigar da ke wajen aikin. Babban walƙiya hanya ce ta musamman ta walƙiya, kuma dole ne a samar da kayan aiki na musamman bisa ga samfurin. Babban yawan aiki, saurin walda zai iya kaiwa 30m/min. Yin amfani da m juriya zafi a matsayin makamashi tushen, da juriya zafi generated da high-mita halin yanzu a cikin workpiece da ake amfani a lokacin waldi don zafi da surface na waldi yankin na workpiece zuwa narkakkar ko kusa da wani roba jihar, sa'an nan upsetting karfi. ana amfani da shi (ko ba a yi amfani da shi) don cimma haɗin gwiwar karafa ba.