Ho Hloka Mokhathala: Kamoo Rolling Contact Stress Lebisang Maqhetsoana le Spalling

Ho hloleha ha mokhathala e ntse e le sesosa se ka sehloohong sa tšenyo ea pele ho nako, e ikarabellang bakeng sa ho hloleha ho fetang 60% lits'ebetsong tsa indasteri. Li-rolling element-bearings-tse nang le selikalikoe sa ka hare, selikalikoe sa ka ntle, lintho tse pota-potileng (libolo kapa lirolara), 'me cage-e sebetsa tlas'a cyclic loading, e nang le likarolo tse pota-potileng tse tsoelang pele ho fetisetsa matla pakeng tsa mehele.

Ka lebaka la sebaka se senyenyane sa ho ikopanya pakeng tsa likarolo tsa rolling le raceways, sephethoKhatello ea maikutlo ea Hertziane phahame haholo, haholo tlasa maemo a lebelo le phahameng kapa a boima. Sebaka sena sa khatello ea kelello se tsepamisitsoeng se lebisa hokhatello ea maikutlo, e hlahang ka holim'a sekoti, mapetsong, 'me qetellong a qhekelle.

Khatello ea Kelello Mokhathala ke Eng?

Khatello ea maikutlo mokhathala o bua katshenyo ya sebopeho sa lehaee bakoang ke ho kenya li-cyclic khafetsa ka tlase ho matla a ho qetela a thepa. Ha a ntse a bongata babehange lula e holofetse, libaka tse nyane li ba le deformation ea polasetiki ha nako e ntse e ea, 'me qetellong e qala ho hloleha. Hangata mokhoa ona o etsahala ka mekhahlelo e meraro e tsoelang pele:

1. Ho qala ha Microcrack

• E etsahala maemong a ka tlas'a lefatše (0.1-0.3 mm ka tlase ho sebaka sa peiso).

• E bakoa ke cyclic stress concentrations at microstructural imperfections.

2. Crack Propagation

• Mapetso a hola butle-butle litseleng tsa khatello e phahameng ea ho kuta.

• E susumetsoa ke bofokoli ba lintho tse bonahalang le lipotoloho tsa ho kenya tšebetsong.

3. Ho robeha ha Qetello

• Tšenyo ea bokaholimo e bonahala e lespalling or pitting.

• Hang ha mapetsong a fihla boholong ba bohlokoa, thepa e arohana ho tloha holimo.

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Mehopolo ea Mokhathala bakeng sa Likoloi tsa Motlakase tse Boima

In likoloi tse kholo tsa thepa (LGVs)lelikoloi tsa thepa e boima(HGVs)-haholo-holo mefuta e fapaneng ea motlakase - ho hanyetsa mokhathala ho bohlokoa le ho feta ka lebaka la:

• Phapang ea RPM Range: Li-motor tsa motlakase li sebetsa ho pholletsa le lihlopha tsa lebelo le pharaletseng ho feta lienjineri tse tukang, li eketsa maqhubu a ho beleha.

• Phaello e Phahameng ea Torque: Phetiso ea torque e boima e hloka li-bearings tse nang le matla a matla a mokhathala.

• Tšusumetso ea Boima ba Battery: Bongata bo ekelitsoeng ba libeteri tsa traction bo phahamisa khatello ho likarolo tsa drivetrain, haholoholomabili le likoloi bering.

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Bafani ba ka Sehloohong ba Khatello ea Maikutlo Mokhathala

√ Meroalo e fapanyetsanang

Li-bearings litsamaisong tse matla li lula li pepesehetse ho fapanameroalo ea radial, axial le e kobehang. Ha li-rolling elements li ntse li potoloha, khatello ea maikutlo e fetoha khafetsa, e baka khatello e matla ea khatello ha nako e ntse e ea.

√Mefokolo ea Lintho

Li-inclusions, li-micro-cracks, le li-voids ka har'a thepa e jereng li ka sebetsa joalo kali-concentrators tsa khatello ea maikutlo, ho potlakisa mokhathala ho qala.

√Mafutsana Lubrication

Lubrication e sa lekaneng kapa e senyehileng ea eketsehakhohlano le mocheso, ho fokotsa matla a mokhathala le ho potlakisa ho apara.

√Kenyelletso e Fosahetseng

Ho se lumellane, ho lekana ka tsela e fosahetseng, kapa ho tiisa ho feta tekano nakong ea ho kenya ho ka hlahisa khatello e sa lebelloang, ho senya ts'ebetso ea ho jara.

Ho utloisisa le ho fokotsa mokhathala oa khatello ea maikutlo ho bohlokoa bakeng sa ho netefatsa bophelo bo bolelele ba ts'ebeletso lits'ebetsong tse boima-haholo-holo likoloi tsa motlakase tse boima. Le hoja tsoelo-pele ea thepa le theknoloji ea ketsiso e matlafalitse ho hanyetsa mokhathala, ho nepahetsee nang le khetho, ho kenya, le tlhokomeloe ntse e le senotlolo sa ts'ebetso le ts'epo.

Ho sebelisana le bahlahisi ba nang le boiphihleloe ka fanalitharollo tse ntlafalitsoengho sesebelisoa sa hau se ikhethileng. Haeba morero oa hau o hloka ts'ebetso e phahameng, e sa khathalengdibering, sehlopha sa rona se teng ho tla thusatšehetso ea tekheniki le likhothaletso tsa sehlahisoa.

Haeba u hloka ho fetabehangtlhahisoleseding, le ho botsa lipotso, amohelehileiteanye le ronafumana Quote & Tekheniki Tharollo!