Ho jara litlhoko tsa ts'ebetso ea tšepe, lisebelisoa tse tloaelehileng bakeng sa ho jara tšepe

Ho roala tšepe ho sebelisoa haholo-holo ho etsa lintho tse rollang le mehele ea li-bearings.Hobane ho beleha ho lokela ho ba le bophelo bo bolelele, ho nepahala ho phahameng, moloko o tlase oa mocheso, lebelo le phahameng, ho tiea ho phahameng, lerata le tlase, ho hanyetsa ho roala holimo, joalo-joalo, tšepe e nang le tšepe e lokela ho ba le: boima bo phahameng, boima bo lekanang, moeli o phahameng oa elastic, mokhathala o phahameng oa ho kopana Matla, ho tiea ho hlokahalang, ho thatafala ho itseng, ho hanyetsa ho bola ha mafura sepakapakeng.E le ho finyella litlhoko tse ka holimo tsa ts'ebetso, litlhoko tsa ho lumellana ha lik'hemik'hale tsa tšepe ea tšepe, likahare le mofuta oa li-inclusions tse se nang tšepe, boholo le kabo ea carbides, le decarburization li thata.Ho jara tšepe hangata ho nts'etsapele boleng bo holimo, ts'ebetso e phahameng le mefuta e mengata.Ho jara tšepe e arotsoe ka tšepe e phahameng ea carbon chromium, tšepe ea carburizing, tšepe e nang le mocheso o phahameng, tšepe e sa hloekang le lisebelisoa tse khethehileng tsa ho jara ho latela litšobotsi le tikoloho ea kopo.E le ho finyella litlhoko tsa mocheso o phahameng, lebelo le phahameng, mojaro o phahameng, ho hanyetsa kutu le ho hanyetsa mahlaseli, letoto la litšepe tse ncha tse nang le thepa e khethehileng li lokela ho ntlafatsoa.Bakeng sa ho fokotsa boemo ba oksijene ea tšepe e nang le tšepe, ho entsoe mahlale a ho qhibilihisa a tšepe a kang vacuum smelting, electroslag remelting, le electron beam remelting.Ho qhibilihisoa ha litšepe tse ngata tse nang le tšepe ho entsoe ho tloha seboping sa motlakase sa arc ho ea ho mefuta e fapaneng ea libopi tsa mantlha tsa ho qhibilihisa le ho hloekisa sebōpi sa kantle.Hona joale, ho jara tšepe e nang le matla a lithane tse fetang 60 + LF / VD kapa RH + ho lahla ho tsoelang pele + mekhoa e tsoelang pele ea ho roala e sebelisetsoa ho hlahisa tšepe e belehang e le ho finyella morero oa boleng bo phahameng, bokhoni bo phahameng le tšebeliso e tlaase ea matla.Mabapi le ts'ebetso ea kalafo ea mocheso, sebōpi se ka tlase sa koloi le sebopi sa hood se entsoe hore e be sebōpi se lulang se laoloa ka mokhoa o tsoelang pele bakeng sa phekolo ea mocheso.Hona joale, mofuta oa sebōpi o tsoelang pele oa phekolo ea mocheso o na le bolelele bo boholo ba 150m, 'me sebopeho sa nodular sa tšepe e jereng se tsitsitse ebile se tšoana, lera la decarburization le lenyenyane,' me tšebeliso ea matla e tlaase.

Bearing steel e lokela ho ba le dintho tse latelang:

1. Matla a mokhathala a phahameng a kopana.
2. Khanyetso e phahameng ea abrasion.
3. Moeli o phahameng oa elastic le matla a ho hlahisa.
4. Boima bo phahameng le bo ts'oanang.
5, tshusumetso e itseng toughness.
6. Botsitso bo botle ba dimensional.
7, ts'ebetso e ntle ea corrosion inhibition.
8. Ts'ebetso e ntle ea ts'ebetso.

Ho jara lisebelisoa tse tloaelehileng tsa tšepe:

Khetho ea thepa ea tšepe e nang le tšepe e boetse e hloka theko e khethehileng.Bakeng sa thepa ea thepa e sebetsang tlas'a maemo a khethehileng, ho ea ka litlhoko tsa bona tse khethehileng, ba lokela ho ba le thepa e khethehileng e lumellanang le maemo a bona, joalo ka: ho hanyetsa mocheso o phahameng, ho hanyetsa mocheso o tlase, ho hanyetsa kutu, Anti-radiation, anti-magnetic le litšobotsi tse ling.

Tšepe e tšetseng ka botlalo ke tšepe ea chromium e phahameng haholo, joalo ka GCr15, e nang le khabone e ka bang 1% le chromium e ka bang 1.5%.E le ho ntlafatsa ho thatafala, ho hanyetsa le ho thatafala, li-silicon tse ling, manganese, molybdenum, joalo-joalo, tse kang GCr15SiMn, li eketsoa ka nepo.Mofuta ona oa tšepe o nang le tšepe o na le tlhahiso e kholo ka ho fetisisa, e ikarabellang ho feta 95% ea lihlahisoa tsohle tse nang le tšepe.

Carburizing bearing steel ke chromium, nickel, molybdenum alloy structural steel e nang le carbon content ea 0.08 ho isa ho 0.23%.Karolo e ka holimo ea karolo e jereng ke carbonitrided ho ntlafatsa ho thatafala ha eona le ho apara ho hanyetsa.Ts'epe ena e sebelisetsoa ho etsa li-bearings tse kholo tse jereng meroalo e matla, joalo ka libere tse kholo tsa leloala, li-bearings tsa likoloi, li-bearings tsa mochini oa merafo le likoloi tsa terene.

Litšepe tse sa jeleng li kenyelletsa litšepe tse nang le khabone e phahameng ea chromium, joalo ka 9Cr18, 9Cr18MoV, le litšepe tsa carbon chromium tse sa jeleng paate, joalo ka 4Cr13, joalo-joalo, tse sebelisetsoang ho etsa li-bearings tse se nang letheba le tse sa jeng.

Mocheso o phahameng o nang le tšepe o sebelisoa ka mocheso o phahameng (300 ~ 500 ℃).Ho hlokahala hore tšepe e be le boima bo itseng bo bofubelu le ho apara ho hanyetsa mocheso oa tšebeliso.Bongata ba bona ba sebelisa lisebelisoa tse phahameng tsa lisebelisoa tsa tšepe, tse kang W18Cr4V, W9Cr4V, W6Mo5Cr4V2, Cr14Mo4 le Cr4Mo4V.


Nako ea poso: Jul-21-2021