Khetho ea li-electrode tsa welding ho latela sebopeho sa lik'hemik'hale, thepa ea mochini, litlhoko tsa ts'ebetso ea anti-cracking, ka nako e ts'oanang, ho nahanoa ka sebopeho sa welding, botenya ba tšepe, maemo a ts'ebetso, khatello ea maikutlo, ts'ebetso ea welding le lintlha tse ling tlhahlobo e felletseng.Ha ho hlokahala, etsa tlhahlobo ea welding, etsa litekanyo tse tsamaellanang tsa tekheniki, ebe u khetha khetho ea electrode.
The carbon steel welding electrode e tla sebelisoa ka kakaretso le matla a limaraka tsa tšepe, ha ho nahanoa ka sebopeho se rarahaneng, poleiti, ho satalla ho hoholo, mojaro o matla, tjheseletsa e mpe, hangata e sebelisoang ka polasetiking, matla a matla a matla, ts'ebetso ea ho hanyetsa crack e ntle ea elektrode e tlase ea hydrogen. , mohlalaE7018,E7016.Haeba ho na le litlhoko tse khethehileng bakeng sa boemo ba ho tjheseletsa, ho sebelisa electrode e khethehileng e tsamaellanang, joalo ka eleketrode, eleketrode ea fatše ea tjheseletsa e theohileng fatše joalo-joalo mohlala. E6011, E6010.Bakeng sa ho ntlafatsa ts'ebetso ea tjheseletsa, ho ka sebelisoa elektrode ea phofo ea tšepe.
Ntle le lebelo la ho pholisa weld ka potlako, matla a eketsehileng, mapetsong a weld a bonolo ho hlahisoa.Ka nako e tšoanang, ka khetha matla ho feta tšepe botlaaseng boemo ba eleketrode;tlaase carbon tšepe le tlaase alloy tšepe pakeng tsa dissimilar tšepe tjheseletsa, tšepe ka kakaretso sebelisoa ka maemo a tlaase matla a tsamaisanang le eleketrode le ho nahana ka tlaase-alloy tšepe ntlha, ho khetha tlaase mofuta hydrogen ke loketseng.
Bakeng sa tjheseletsa ea tšepe ea carbon, ka lebaka la tšepe e nang le lik'habone tse phahameng, ho eketsa tšekamelo ea ho cheselletsa ho phatloha, hangata e sebelisoang ka li-electrode tse tlaase tsa haedrojene le preheating, mokhoa oa ho pholile butle le mehato e tsamaisanang le ts'ebetso ea welding, u ka khetha.E6013, J422le joalo-joalo..
Mabapi le tšepe ea tšepe e entsoeng ka tšepe, e nang le litaba tse phahameng tsa carbon, li-workpieces tse boima, mohaho o rarahaneng, o bonolo ho hlahisa ho phatloha ha tšepe, ha ntho ea tšepe e le nako e telele, e hlahella haholoanyane.Khetho e akaretsang ea mofuta o tlase oa hydrogen welding electrode, 'me u nke preheating, ho pholile butle le mekhoa e meng le ts'ebetso e ts'oanang ea welding le mehato e meng.
Na ke ho etsa bonnete ba hore tjheseletsa boleng le ka workpiece tjheseletsa e tla hloeka, ha ho oli, mafome, mongobo, lipente le litšila, joalo-joalo, ka tshebediso ya li-electrode haedrojene tlaase ke ea bohlokoa ka ho khetheha.
(Ka li-electrode tse tlase tsa haedrojene, li-electrode tsa welding li tla ba ka 350 DEG C bakeng sa hora e le 'ngoe,' me ka ho omisa ka tšebeliso, kapa ho bonolo ho hlahisa porosity, slag, mapetsong le liphoso tse ling. Electrode ea cellulose hangata ha e hloke ho apehoa. , haeba mongobo, ho ea ka litaelo pukwanana mocheso tjheseletsa pele ho baka, empa mocheso o phahameng haholo o tla senya tshebetso tjheseletsa tshebetso.
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Nako ea poso: Jul-07-2021