Ho na le mefuta e mengata ea ho tjheseletsa ha motlakase (erw), 'me ho na le mefuta e meraro ea welding, seam welding, butt welding le projection welding.

Ntlha ea pele, ho tjheseletsa letheba
Spot tjheseletsa ke mokhoa oa ho tjheseletsa ho hanyetsa ka motlakase moo tjheseletsa e bokellwang ka hara lenonyeletso le ho hatetswa pakeng tsa di-electrode tse pedi tsa columnar ho qhibilihisa tšepe ea motheo ka ho hanyetsa motlakase ho theha motsoako oa solder. Spot welding e sebelisoa haholo-holo bakeng sa ho cheselletsa poleiti e tšesaane.

Mokhoa oa ho cheselletsa Spot:
1. Preloading ho etsa bonnete ba hore ho kopana e ntle le workpiece.
2. Matla a matla, e le hore weld e thehoe ka nugget le lesale la polasetiki.
3. Matla a ho tima, e le hore nugget e pholile 'me e khanye ka tlas'a khatello,' me e thehe motsoako o nang le welded ka mohaho o teteaneng, ha ho na lesoba la ho fokotseha le ho phunyeha.

Ea bobeli, seam welding
Seam welding e sebelisoa haholo-holo bakeng sa li-welds tse batlang li le teng khafetsa 'me li hloka ho tiisoa. Botenya ba lenonyeletso hangata bo ka tlase ho 3 mm.

Ea boraro, ho cheselletsa butt
Butt welding ke mokhoa oa ho tjheseletsa oa ho hanyetsa moo tube ea 35Crmo alloy e chesetsoang holim'a sebaka sohle sa khokahano.

Ea bone, ho cheseletsa projection
Projection welding ke mofuta o mong oa ho cheselletsa letheba; ho na le li-bumps tse entsoeng esale pele holim'a sesebelisoa sa mosebetsi, 'me nuggets e le' ngoe kapa ho feta e ka etsoa ka lenonyeletso ka nako.