Mosebetsi oa ho lokisa pele ho tjheseletsa o bohlokoa joalo ka ts'ebetso ea welding, e amanang ka kotloloho le boleng le phello ea sehlahisoa se felileng.
1. Ho omisa electrode
Sepheo sa ho omisa eleketrode pele tjheseletsa ke ho tlosa mongobo ka eleketrode e metsi le ho fokotsa haedrojene ka letamong le entsoeng ka ho qhibilihisoa le weld ho thibela pores le mapetsong a batang.Mokhoa oa ho omisa oa li-electrode tse nang le mefuta e fapaneng ea ho roala o fapane, 'me mokhoa oa ho omisa o etsoa ho ea ka mokhoa o boletsoeng bukeng ea litaelo ea electrode.Ho kgothaletswa ho omella ho latela litaelo tsa sephutheloana sa li-electrode tsa welding tsa Tianqiao.
2. Ho hloekisa pele ho tjheseletsa
E bolela ho tlosoa ha oli, mafome, pente le metsi holim'a groove e kopanetsoeng le haufi le eona (ka hare ho 50mm) pele ho cheselletsa.Ha ho tjheseletsa ka li-electrode tsa alkaline, litlhoko tsa ho hloekisa li thata ebile li hlakile, ho seng joalo li-pores le mapetsong a liehang li hlahisoa habonolo.Li-electrode tsa asiti ha li utloele mafome haholo.Haeba mafome a batla a le bobebe 'me boleng ba weld ha bo phahame, e ka' na ea se ke ea tlosoa.
3. Ho futhumatsa pele
E bua ka mehato ea ts'ebetso ea ho futhumatsa hantle kapa karolo ea weldment pele ho tjheseletsa.Morero oa eona o ka sehloohong ke ho fokotsa sekhahla sa ho pholile ha lenonyeletso ka mor'a ho tjheseletsa, ho qoba ho hlahisa sebopeho se thata, le ho fokotsa khatello ea welding le deformation.Ke mokhoa o atlehang oa ho thibela mapetsong a tjheseletsa.Tlhokahalo ea preheating le boemo ba mocheso oa preheating ho itšetlehile ka thepa ea tšepe ea motheo, electrode e sebelisitsoeng le thibelo ea motsoako.
Bakeng sa meaho e akaretsang ea litšepe tsa khabone e tlase tse thata-thata le litšepe tse matla tse tlase tsa alloy tse nang le matla a tlase, ho futhumatsa pele hangata ha ho hlokahale.Leha ho le joalo, bakeng sa meaho e nang le boima bo phahameng kapa cheldability e fokolang e atisang ho ba le mapetsong, preheating e hlokahalang pele ho tjheseletsa.Lisebelisoa tsa ho tjheseletsa tse nang le conductivity e phahameng ea mocheso, tse kang koporo, aluminium le li-alloys tsa tsona, ka linako tse ling li hloka ho futhumatsa, ho ka fokotsang motlakase oa hona joale le ho eketsa botebo ba ho kenella, hape ho bebofatsa ho kopanngoa ha tšepe ea weld le tšepe ea motheo.
E tlameha ho totobatsoa hore preheat welding hase feela tšebeliso ea matla, tlhahiso e tlaase, empa hape le maemo a futsanehileng a mosebetsi.Welding e lokela ho etsoa ntle le preheating kapa tlaase mocheso preheating neng kapa neng ha ho khoneha.Tšebeliso ea li-electrode tsa mofuta oa haedrojene e tlaase e ka fokotsa mocheso oa preheating, ka lebaka la ho hanyetsa ha eona hantle, empa metsi a motlakase a tlameha ho ba tlaase haholo.Hafeela e lumelloa, elektrode e ka khethoa ho ea ka molao-motheo oa motsoako o tlaase, ke hore, matla a tšepe e behiloeng e tlaase ho feta ea tšepe ea motheo, 'me polasetiki le ho tiea ha electrode li molemo ho feta tseo. ea tšepe ea motheo bakeng sa welding, e le hore mocheso oa preheating o ka fokotsoa kapa ha ho na preheating e ka sebelisoang.
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Nako ea poso: Feb-25-2022 