◦ Tekanyetso ea ts'ebetsong: GB/T1222-2007.
◦ Boima ba 'mele: 7.85 g/cm3.
• Sebopeho sa lik'hemik'hale
◦ Carbon (C): 0.62% ~ 0.70%, ho fana ka matla a motheo le ho thatafala.
◦ Manganese (Mn): 0.90% ~ 1.20%, ho ntlafatsa ho thatafala le ho matlafatsa boima.
◦ Silicon (Si): 0.17% ~ 0.37%, ho ntlafatsa ts'ebetso ea ts'ebetso le ho hloekisa lijo-thollo.
◦ Phosphorus (P): ≤0.035%, sebabole (S) ≤0.035%, ho laola ka thata lintho tse sa hloekang.
◦ Chromium (Cr): ≤0.25%, nickel (Ni) ≤0.30%, koporo (Cu) ≤0.25%, ho latela likarolo tsa alloying, ho thusa ho ntlafatsa tshebetso.
• Thepa ea mochine
◦ Matla a phahameng: Matla a tensile σb ke 825MPa~925MPa, 'me lintlha tse ling li ka holimo ho 980MPa. E na le bokhoni bo botle ba ho jara 'me e loketse maemo a phahameng a khatello ea maikutlo.
◦ Elasticity e ntle: E na le moeli o phahameng oa elastic, e ka mamella ho senyeha ho hoholo ha rekere ntle le ho senyeha ho sa feleng, 'me e ka boloka le ho lokolla matla ka nepo.
◦ Boima bo phahameng: Ka mor'a phekolo ea mocheso, e ka fihla ho HRC50 kapa ka holimo, e nang le khanyetso e kholo ea ho apara, e loketseng maemo a ho apara.
◦ Boima bo botle: Ha bo tlas'a meroalo ea tšusumetso, bo ka monya matla a itseng ntle le ho robeha ha brittle, e leng ho ntlafatsang botšepehi le bophelo ba tšebeletso tlas'a maemo a thata.
• Litšobotsi
◦ Ho thatafala ho phahameng: Manganese e ntlafatsa haholo ho thatafala, e loketseng bakeng sa liliba tsa tlhahiso le likarolo tse kholo tse nang le bophara bo fetang 20mm.
◦ Tloaelo e tlaase ea ho senya holim'a metsi: Boleng ba bokaholimo bo tsitsitse nakong ea phekolo ea mocheso, ho fokotsa kotsi ea ho hlōleha kapele.
◦ Kutloelo-bohloko e feteletseng le brittleness ea mocheso: Thempereichara ea ho tima e tlameha ho laoloa ka thata, 'me mocheso o fokolang o tlameha ho qojoa nakong ea mocheso.
◦ Ts'ebetso e ntle ea ts'ebetso: e ka etsoa le ho chesetsoa, e loketse ho etsa likarolo tse rarahaneng, empa polasetiki e batang ea deformation e tlase.
• Litlhaloso tsa phekolo ea mocheso
◦ Ho tima: Mocheso oa ho tima 830 ℃ ± 20 ℃, pholiso ea oli.
◦ Tempering: Mocheso oa ho futhumatsa 540 ℃ ± 50 ℃, ± 30 ℃ ha ho hlokahala.
◦ Ho tloaeleha: Mocheso oa 810±10℃, moea o pholileng.
• Libaka tsa kopo
◦ Ho etsa nakong ea selemo: joalo ka liliba tsa makhasi a koloi, liliba tse thibelang ho sisinyeha, li-valve springs, clutch reed, joalo-joalo.
◦ Likarolo tsa mochini: li ka sebelisoa ho etsa likarolo tse boima, tse hohlang haholo joalo ka likere, li-bearings le lipiston.
◦ Lisebelisoa tsa ho seha le ho hatakela lia shoa: ka ho sebelisa boima ba eona bo phahameng le ho se mamelle ha eona, e ka sebelisoa ho etsa lisebelisoa tsa ho seha, litempe li shoa, joalo-joalo.
◦ Mehaho le marokho: li ka sebelisoa ho etsa likarolo tse matlafatsang matla a ho jara a meaho, joalo ka li-bearings tsa borokho, litšehetso tsa meaho, jj.
Nako ea poso: Jul-18-2025