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Maano a Khetho le Ts'ebeliso bakeng sa Li-Rolling Bearings Maemong a Khethehileng a Ts'ebetso

 

Mekhoa ea indasteri ea sejoale-joale, ts'ebeliso ealibere tse bilikanange se e atolohile ka nqane ho ditshebediso tse tlwaelehileng tsa phetiso ya mechini, e atolohela maemong a ikgethang a tshebetso a kang dithempereichara tse phahameng le tse tlase, meroalo e phahameng, mafome, vacuum, le ho thothomela ho matla. Di-bearing tse tlwaelehileng hangata di thatafallwa ke ho fihlela ditlhoko tsena tse feteletseng tsa tshebetso, e leng se hlokang dintlafatso tse hlophisehileng ntlafatsong ya thepa, moralo wa sebopeho, theknoloji ya ho tlotsa le ditharollo tsa ho kwala ho fihlella tshehetso e tshepahalang.

 

Mocheso o phahamengTikoloho e atile haholo indastering ea tšepe, tlhahiso ea khalase, le mechini ea turbo, moo li-bearing li lokelang ho sebetsa ka ho tsoelang pele ka holim'a 200°C. Tlas'a maemo ana, kotsi ea ho nolofala ha tšepe e tloaelehileng ea ho bea e ea eketseha, 'me lihoko li kotsing ea ho senyeha. Hangata litharollo li sebelisa tšepe e halefisitsoeng ke mocheso o phahameng (joalo ka SUJ2-HT), tšepe e thatafalitsoeng ke case (joalo ka JIS-SCM420H), kapa li-alloy tse hanelang mocheso (joalo ka M50 le Inconel 718), tse kopantsoeng le likarolo tsa ceramic rolling (Si₃N₄) ho fokotsa katoloso le boima ba mocheso. Bakeng sa ho tlotsa, liphahlo tsa lubricant tse tiileng tse sebetsang hantle (joalo ka MoS₂ le DLC) kapa mafura a mocheso o phahameng hangata lia sebelisoa. Maemong a mang, litsamaiso tsa ho pholisa potoloho ea oli le moea lia sebelisoa. Libakeng tse nang le cryogenic kapa cryogenic, joalo ka lipompo tsa khase ea tlhaho e metsi (LNG) le litsamaiso tsa ho tsamaisa sepakapaka, ho qhibiliha ha thepa le ho tiisa lubricant ke liphephetso tse kholo. Hangata dibering di etswa ka tshepe e sa hlwekang ya austenitic (jwalo ka AISI 440C e tshwarwang ka cryogenically) kapa di-alloy tse thehilweng ho nickel, tse tlotsitsweng ka oli ya ester e nang le viscosity e tlase kapa ditlolo tsa perfluoropolyether (PFPE) ho netefatsa tshebetso e ntle haholo esita le mochesong o ka tlase ho -196°C.

 

Bakeng sa libaka tse boima le tse nang le tšusumetso e matla, tse kang mechini ea merafo, li-rolling mill le li-gearbox tse kholo, li-bearings li hloka ho tiea ho hoholo haholo le bophelo ba mokhathala.Li-bearing tsa roller tse nang le mela e 'meli tse nang le cylindrical, li-bearing tsa roller tse nang le mela e mene tse tenyetsehangkapalibere tsa rolara tse chitjahangata di sebediswa ditshebedisong tsena. Bokgoni ba mojaro bo eketswa ka diprofaele tse ntlafaditsweng tsa dirolara, taolo ya pele ho mojaro, le dikalafo tsa ntlafatso ya bokahodimo tse kang ho kenya khabone.

 

Libakeng tse senyang, tse kang lipompo tsa lik'hemik'hale le lisebelisoa tsa kalafo ea metsi a leoatle, li-bearing tsa tšepe tse tloaelehileng li ka hlaseloa ke mafome. Litharollo li kenyelletsa li-bearing tsa tšepe e sa ruseng (tse kang X65Cr13 le 1.4122),libere tsa letsopa tse tsoakiloeng, kapa masela a sa senyeheng (a kang electrophoresis kapa PVD coating) masaleng a ka hare le a ka ntle, a kopantsoeng le meaho e koetsoeng ka botlalo ea ho tiisa (a kang litiiso tsa rabara tse hokahaneng kapa litiiso tsa tšepe tsa labyrinth) ho arola ho kenella ha mecha ea phatlalatso.

 

Ho feta moo, lits'ebetsong tse potlakileng joalo ka li-spindle tsa motlakase tse lebelo le phahameng le li-compressor tsa centrifugal, li-bearings li tlameha ho leka-lekanya khohlano e tlase, tlhahiso e tlase ea mocheso le botsitso bo matla.Li-bearing tsa bolo ea ho ikopanya le angular(haholo-holo tse nang le libolo tsa letsopa tse kentsoeng esale pele) e se e le khetho e kholo, e kopantsoeng le setlolo sa oli-moea kapa theknoloji ea ho pholisa ka spray ho laola ho phahama ha mocheso ka katleho.

 

Ho bohlokoa ho hlokomela hore khetho ea libere bakeng sa maemo a khethehileng a ts'ebetso e ke ke ea itšetleha feela ka liparamente tse tloaelehileng; tlhahlobo e hlophisitsoeng e tlameha ho etsoa ho latela maemo a sebele a ts'ebetso, ho kenyeletsoa le spectrum ea mojaro, liphetoho tsa lebelo, ho lekana ha ho kenngoa, liphoso tsa ho hokahanya, le linako tsa tlhokomelo. Palo e ntseng e eketseha ea lits'ebetso e amohela mohopolo oa "boenjiniere ba litsamaiso tsa libere," moo bahlahisi ba fanang ka moralo o ikhethileng, tlhokomelo ea boemo bo kopaneng, esita le lits'ebeletso tse felletseng tsa potoloho ea bophelo.

 

Ha lisebelisoa tsa indasteri li ntse li tsoela pele ho ea ho bokhoni bo phahameng, bophelo bo bolelele le tlhokomelo e fokolang, li-rolling bearings bakeng sa maemo a khethehileng a ts'ebetso li ntse li fetoha ho ea ho thepa e kopaneng, meaho e bohlale le setlolo se kopaneng, se fanang ka tšehetso ea bohlokoa bakeng sa ts'ebetso e tsitsitseng ea lisebelisoa libakeng tse feteletseng.

Haeba o batla ho tseba tlhahisoleseling e eketsehileng e amanang le eona, ka kopo ikopanye le rona:

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