Li-Fasteners tsa Mocheso o Phahameng: Ke Lisebelisoa life tse Pholohang mocheso?

Bothata ba li-Fasteners tse tloaelehileng

Li-fasteners tse ngata 'marakeng li entsoe ka tšepe ea carbon kapa tšepe e tlaase ea alloy. Li sebetsa hantle maemong a tloaelehileng empa li qala ho felloa ke matla mochesong o ka holimo ho 300°C (572°F). Ha lithempereichara li ntse li nyoloha, liboutu tsa setso li ka khopama, tsa hola ka tsela e sa leka-lekaneng, kapa tsa ba tsa peperana tlas'a khatello e sa khaotseng ea mocheso.

Libakeng tsa mocheso o phahameng joalo ka matlo a turbine kapa manifolds a ho felloa ke matla, ho hloleha hona ho ka lebisa ho senyeha ho hoholo ha sistimi-ho beha likotsi ho polokeho, nako ea bophelo ba lisebelisoa, le litekanyetso tsa ho lokisa.

Lisebelisoa tse Emeng Mocheso

Ho sebetsana le sena, baenjiniere ba itšetlehile ka lisebelisoa tse khethehileng tse etselitsoeng ho boloka botšepehi ba sebopeho le tlas'a meroalo e feteletseng ea mocheso. Tse atileng haholo li kenyelletsa:

Lisebelisoa tsa tšepe tse se nang tšepe

• Limaraka tse kang 304 le 316sebetsa hantle ho fihla ho ~800°C

• E fana ka khanyetso e matla ea kutu-e loketseng mocheso o mongobo kapa ho pepesehela asiti

• E sebelisoa ho: liphaephe tsa petrochemical, lisebelisoa tsa ho qeta, li-boilers tsa mouoane

Inconel (Nickel-Chromium Alloys)

• Ho mamella mocheso ho fihlela ho 1100 ° C

• E boloka matla tlas'a tsitsipano le ho thothomela

• Hangata e sebelisoa lienjineng tsa moea le tsa metsing

Motsoako oa A-286

• Matla a phahameng a matla ho fihla ho 700°C

• E loketse liboutu ka har'a turbine le meaho ea lifofane

• Litšenyehelo tse lekantsoeng le ts'ebetso bakeng sa ho pepesehela mocheso oa mahareng

Lisebelisoa tsa Titanium

• Sebetsa hantle ho 400-600°C

• E bobebe ebile ha e na makenete

• E tloaelehile lisebelisoa tsa bongaka, likoloi tsa ts'ebetso, le theknoloji ea sesole

Likopo tse Tloaelehileng tsa Li-Fasteners tsa Mocheso o Phahameng

U tla fumana lisebelisoa tsena li sebetsa ka thata liindastering moo ho hloleha e seng khetho:

• Moloko oa Matla: Li-turbine tsa mouoane, likepe tsa khatello, casing ea jenereithara

• Tsa makoloi: Li-turbocharger, li-exhaust manifolds, litsamaiso tsa braking

• Oli le Khase: Lisebelisoa tsa mocheso oa ho hloekisa, li-flare stacks, lithapo tsa khatello

• Sepakapaka: Lienjine tsa jet, matlo a li-afterburner, li-gear tsa ho lulisa

Ke Hobane'ng ha ho Le Bohlokoa Seqhoala se Nepahetseng

Ho sebelisa sekontiri se fosahetseng ts'ebetsong ea mocheso o phahameng ha se taba e nyane feela - ho ka lebisa ho:

• Mokhathala oa tšepe le ho qhoma tlas'a moroalo

• Ho hloleha ha tiiso le ho lutla lits'ebetsong tse hatelletsoeng

• Ho koaloa ha chelete e ngata le ho lokisa maemo a tšohanyetso

Sesime se nang le mocheso o phahameng se ka bitsa makhetlo a 2-5 ho feta likhetho tse tloaelehileng, empa nako ea sona ea bophelo le ts'epahalo li lokafatsa matsete a pele - haholo libakeng tse kang Middle East, moo lithempereichara, khanya ea UV le lerōle li ka eketsang khatello ea maikutlo.

Malebela a ho Fumana

Ha u khetha li-fasteners tse nang le mocheso o phahameng:

• Batla litifikeiti tse kang ASTM A453, B637, kapa ISO 898-1

• Kopa barekisi hore ba u fe lintlha tsa tlhahlobo ea creep le tensile

• Bapisa lirafshoa le liphetho tse pepesehileng tikolohong (mohlala, mocheso o omileng khahlano le mouoane o senyang)

Mabapi le Fasto

Fasto e fana ka li-fasteners tse sebetsang hantle tse hahiloeng bakeng sa maemo a feteletseng. Thepa ea rona e kenyelletsa Inconel, tšepe e sa hloekang, le liboutu tsa A-286 tse netefalitsoeng ho latela maemo a machabeng. Ho sa tsotellehe hore na u boloka li-turbine tsa leholimo lehoatateng kapa liphaepheng tsa limela tsa lik'hemik'hale, re u thusa ho fumana lisebelisoa tse nepahetseng bakeng sa mosebetsi - ka potlako, ho lekoa, le ho tšepahala.

Re boetse re tšehetsa mefuta e mengata ealikopo tsa ho iketsetsa, ho kenyeletsoa litekanyo tse sa tloaelehang, lijalo tse khethehileng, le likhetho tsa ho paka tse tsamaellanang le litlhoko tsa projeke ea hau.
Ikutloe u lokolohile ho ikopanya le ronabakeng sa tataiso ea litsebi kapa ho buisana ka lintlha tsa hau - re mona ho etsa bonnete ba hore khokahano e 'ngoe le e 'ngoe e etselitsoe ho tšoarella.

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