Litaba tsa Laser
Taolo e Nepahetseng ea Mocheso bakeng sa Litsamaiso tsa Laser le Lisebelisoa tsa Indasteri Ho tloha ka 2002
Puo
Litšitiso tsa laser tse kang mapetsong, porosity, spatter, burn-through, le undercutting li ka bakoa ke maemo a sa lokelang kapa taolo ea mocheso. Litharollo li kenyelletsa ho lokisa li-parameter tsa welding le ho sebelisa li-chillers ho boloka mocheso o tsitsitseng. Li-chiller tsa metsi li thusa ho fokotsa mefokolo, ho sireletsa lisebelisoa, le ho ntlafatsa boleng ba tjheseletso ka kakaretso le ho tšoarella nako e telele.
Laser welding ke mokhoa o sebetsang hantle haholo le o nepahetseng o sebelisoang liindastering tse fapaneng. Leha ho le joalo, liphoso tse ling tse kang mapetsong, porosity, spatter, burn-through, le undercutting li ka etsahala nakong ea ts'ebetso. Ho utloisisa lisosa tsa liphoso tsena le tharollo ea tsona ke senotlolo sa ho ntlafatsa boleng ba welding le ho netefatsa liphetho tse tšoarellang nako e telele. Ka tlase ke liphoso tse kholo tse fumanoang ho welding laser le mokhoa oa ho li rarolla:
1. Mapetso
Lebaka: Hangata mapetsong a hlaha ka lebaka la matla a ho fokotseha ho feteletseng pele letamo la weld le tiea ka ho feletseng. Hangata li amahanngoa le mapetsong a chesang, a kang ho tiisa kapa ho phunyeha ha metsi.
Tharollo: Ho fokotsa kapa ho felisa mapetsong, ho futhumatsa mochine oa mosebetsi le ho eketsa lisebelisoa tsa ho tlatsa ho ka thusa ho aba mocheso ka mokhoa o ts'oanang, kahoo ho fokotsa khatello ea kelello le ho thibela mapetsong.
2. Porosity
Lebaka: Ho cheselletsa ka laser ho etsa letamo le tebileng, le moqotetsane la weld le pholiso e potlakileng. Likhase tse hlahisoang ka letamong le entsoeng ka ho qhibilihisoa ha li na nako e lekaneng ea ho baleha, e lebisang ho thehoeng ha lipokothong tsa khase (li-pores) ka weld.
Tharollo: Ho fokotsa porosity, hloekisa bokaholimo ba mosebetsi hantle pele u tjheseletsa. Ho feta moo, ho lokisa tsela ea khase e sireletsang ho ka thusa ho laola phallo ea khase le ho fokotsa monyetla oa ho theha pore.
3. Spatter
Lebaka: Spatter e amana ka ho toba le matla a matla. Ha matla a matla a le holimo haholo, thepa e fetoha mouoane haholo, e leng se etsang hore ho phatloha ha lintho tse entsoeng ka ho qhibilihisoa ho fofe ka ntle ho letamo la weld.
Tharollo: Fokotsa matla a tjheseletsa mme o lokise lebelo la ho tjheseletsa hore le be boemong bo loketseng. Sena se tla thusa ho thibela mouoane o feteletseng oa thepa le ho fokotsa ho hasana.
4. Ho chesoa
Sesosa: Bothata bona bo etsahala ha lebelo la tjheseletsa le potlakile, mme tshepe e metsi e hlolehe ho abuwa hantle. E ka boela ea etsahala ha lekhalo le kopane le le leholo haholo, le fokotsa palo ea tšepe e qhibilihisitsoeng e fumanehang bakeng sa ho kopanya.
Tharollo: Ka ho laola matla le lebelo la welding ka kutloano, ho chesa ho ka thibeloa, ho etsa bonnete ba hore letamo la weld le laoloa ka mokhoa o lekaneng bakeng sa tlamahano e nepahetseng.
5. Undercuting
Sesosa: Undercutting e etsahala ha lebelo la tjheseletsa le le butle haholo, ho baka letamo le leholo, le sephara la weld. Bophahamo bo ntseng bo eketseha ba tšepe e qhibilihisitsoeng bo etsa hore ho be thata bakeng sa tsitsipano ea holim'a metsi ho tšoara tšepe e metsi sebakeng, e etsa hore e thekesele.
Tharollo: Ho theola boima ba matla ho ka thusa ho qoba ho fokotseha, ho etsa bonnete ba hore letamo le qhibilihisitsoeng le boloka sebopeho le matla a lona nakong eohle ea ts'ebetso.
Karolo ea Li-Chillers tsa Metsi ho Welding ea Laser
Ntle le litharollo tse kaholimo, ho boloka mocheso o nepahetseng oa ho sebetsa oa laser welder ho bohlokoa ho thibela liphoso tsena. Mona ke moo li-chillers tsa metsi li kenang teng. Ho sebelisa chiller ea metsi nakong ea ts'ebetso ea welding ea laser ho bohlokoa hobane ho thusa ho boloka mocheso o tsitsitseng ho laser le workpieces. Ka ho laola mocheso ka katleho sebakeng sa tjheseletsa, li-chillers tsa metsi li fokotsa sebaka se amehileng ke mocheso le ho sireletsa likarolo tsa optical tse nang le kutloelo-bohloko ho senya mocheso. Sena se tiisa botsitso le boleng ba lebone la laser, qetellong se ntlafatsa boleng ba tjheseletsa le ho fokotsa menyetla ea likoli tse kang mapetsong le porosity. Ho feta moo, li-chillers tsa metsi li lelefatsa bophelo ba lisebelisoa tsa hau ka ho thibela mocheso o feteletseng le ho fana ka ts'ebetso e tšepahalang, e tsitsitseng.
Qetello: Ka ho utloisisa lisosa tsa sesosa sa liphoso tse tloaelehileng tsa welding laser le ho kenya ts'ebetsong litharollo tse sebetsang, tse kang ho futhumatsa, ho fetola matla le litlhophiso tsa lebelo, le ho sebelisa li-chillers, u ka ntlafatsa haholo boleng ba tjheseletsa. Mehato ena e netefatsa lihlahisoa tsa boleng bo holimo, tse khahlehang, le tse tšoarellang, ha e ntse e ntlafatsa ts'ebetso le nako ea bophelo ea lisebelisoa tsa hau tsa laser welding.
Bakeng sa tlhaiso-leseling e batsi mabapi le mokhoa oa ho ntlafatsa ts'ebetso ea hau ea laser welding ka litharollo tse tsoetseng pele tsa ho pholisa, ikutloe u lokolohile ho ikopanya le rona.
Re mona bakeng sa hau ha o re hloka.
Ka kopo tlatsa foromo ho ikopanya le rona, 'me re tla thabela ho u thusa.
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TEYU S&A Chiller e thehiloe ka 2002 e na le boiphihlelo ba lilemo tse 23 tsa tlhahiso ea chiller, 'me joale e amoheloa e le pula-maliboho ea mahlale a pholiso le molekane ea tšepahalang indastering ea laser.
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