Li-electrode tsa ho cheselletsa

Weldingelectrode e na le likarolo tse peli, ea mantlha le e koahelang.Metal core tjheseletsa li-electrode li ka ntle ho pente (coating) junifomo khatello ea sebelisoa ka hloko solder konokono.Mefuta e fapaneng ea welding, welding core e fapane.tjheseletsa electrode konokono tšepe konokono, e le ho etsa bonnete ba hore boleng le tshebetso ya tjheseletsa, butt dikahare tsa mantlha tsa element tšepe e na le melao e thata, haholo-holo bakeng sa dikahare tsa litšila tse kotsi (tse kang sebabole, phosphorus, joalo-joalo), ho na le lokela ho e be lithibelo tse thata ho feta thepa ea motheo.Mokotla oa meriana oa electrode o ne o bitsoa weld metal core coated core.Welding core terata ka kakaretso e na le bolelele le bophara bo itseng.Ha soldering, welding core e na le litlamorao tse peli: Ea pele, ho tsamaisa motlakase, matla a arc a fetoloa mocheso, terata ea bobeli ea mantlha ka boeona e sebelisoa e le tšepe ea ho tlatsa e nang le mokelikeli o qhibilihisitsoeng oa tšepe o entsoeng.

Khatello e sebelisoang holim'a seaparo se bitsoang core solder coating.Ho roala ka electrode ho phetha karolo ea bohlokoa haholo ts'ebetsong ea ho cheselletsa.Ts'ebeliso ea tjheseletso ea li-electrode e se nang lithethefatsi ea letlalo, ts'ebetso ea tjheseletsa, oksijene le naetrojene moeeng e tla ba ho kenella ho hoholo ha tšepe e qhibilihisitsoeng, tšepe ea tšepe le likarolo tse molemo tsa carbon, silicon, manganese oxide le sebopeho sa nitride sa li-oxide tse fapaneng. nitrides, 'me e sala e le ka har'a weld, weld slag, kapa e baka mapetsong.Ho qhibiliha ka har'a puddle ea khase ho ka 'na ha baka palo e kholo ea weld porosity, lintlha tsena li ka etsa hore thepa ea mochine ea weld (matla, bohlokoa ba ts'ebetso, joalo-joalo) e fokotsehe haholo, ha weld brittle.

Li-electrode tsa ho tjheseletsa tsa SMAW tse sebelisoang ke ho roala le ho tjheseletsa mantlha tse entsoeng ka likarolo tse peli.Ha tjheseletsa, eleketrode tjheseletsa e le letsoho le leng, 'me ho tloha mofofisi arc hona joale conduction phello, e le hore pakeng tsa li-electrode le tšepe botlaaseng ka arc e tsoelang pele, e tsitsitseng, ho fana ka mocheso o hlokahalang ho qhibiliha solder.Ka hlakoreng le leng, 'me e le tjheseletsa filler tšepe phaella ka ho re ho weld ho fetoha karolo e khōlō ea tšepe weld.Ka hona, ho hlophisoa ha boleng ba tjheseletsa le tjheseletsa, sebopeho sa lik'hemik'hale tsa tšepe ea weld se ama ka kotloloho thepa ea mochini le thepa ea 'mele.Ho feta moo, eleketrode e boetse e na le tšusumetso e kholo ho botsitso ba ponahalo ea boleng ba weld, ts'ebetso ea welding joalo ka tlhahiso ea welding.


Nako ea poso: Aug-23-2021