Melemo ea Lienjineri Tsa Aluminium Tsohle Ha li Bapisoa le Enjine ea Cast-iron ke Efe?
Silinda block ea enjene ea peterole e arotsoe ka tšepe e entsoeng ka tšepe le aluminium e entsoeng. Bapisa melemo le likotsi tsa cylinder ea aluminium le silindara ea tšepe e entsoeng ka tšepe:
1) Boima ba 'mele
Matla a khoheli a khethehileng a aluminium a nyane ho feta a tšepe e entsoeng ka tšepe, 'me aluminium cylinder block e bobebe haholo tlasa motheo oa ho fihlela litlhoko tsa matla. Enjene e bobebe, e nang le phello e ntle ho kabo ea boima ba koloi, 'me boima ba koloi le bona bo bobebe. Ka hona, nakong ena, li-cylinders tsa aluminium li laola.
2) Molumo
Ka lebaka le tšoanang, matla a khoheli a aluminium a nyane, 'me matla a sebopeho sa aluminium ka molumo oa yuniti a tlase ho feta a tšepe e entsoeng ka tšepe, kahoo li-cylinders tsa aluminium hangata li kholoanyane ka molumo. EA113/EA888's cylinder block e na le sebaka se bohareng ho isa ho silinda ea 88mm, ha mofuta o teng o na le bophara ba cylinder ho fihla ho 82.5mm. Ntle le mocha oa metsi a pholileng, lerako la silinda le hlile le tšesaane haholo. Ka tsela ena, enjene eohle e kopane haholo ebile e nyane ka boholo. Li-cylinders tsa aluminium li thata haholo ho fihlela phello ena. Mothating ona, sekontiri sa cylinder block ke sona se hlahelletseng. [Tla tlatsetso: Matla a thata a tšepe ea ductile cast e ka ba ho feta 1000MPa, ha matla a ho fofa a 7075 aluminium alloy ke 524MPa, boima ba tšepe ke 7.85, 'me boima ba aluminium ke 2.7. Ka hona, e le hore u fumane matla a tšoanang, molumo oa motsoako oa aluminium o hloka ho eketseha ka hoo e ka bang e le 'ngoe. Linako, empa boima bo batla bo le bobebe ka 40%]
3) Ho hanyetsa kutu le matla
Aluminium e sebetsa habonolo ka lik'hemik'hale ka metsi a hlahisoang nakong ea mollo, 'me ho hanyetsa ha eona ha kutu ha ho hantle joaloka li-cylinder cylinder blocks, haholo-holo bakeng sa lienjiniere tse nang le mocheso o phahameng le khatello e phahameng. Le sephetho se fetileng mabapi le bophahamo ba modumo, ka lehlakoreng le leng, ha litlhoko tsa bophahamo ba enjene ea hau li batla li le nyane, hangata ho thata ho fihlela matla a li-cylinder block tse nang le silindara ea aluminium block. Ka hona, lienjineri tse ngata tse phahameng haholo li sebelisa li-block tsa tšepe tse entsoeng ka tšepe, joalo ka (pele ho moloko oa 9) EVO's 286hp 2.0L I4 (4G63), e lulang e le li-block tsa tšepe. Moeli oa eona o phahameng oa ho fetola o boetse o tsejoa haholo. Haeba ho sebelisoa cylinder ea aluminium, ho ka 'na ha se ke ha e-ba bonolo. Mothating ona, sekontiri sa cylinder block ke sona se hlahelletseng.
4) Litšenyehelo
Litsenyehelo ke ka tlhaho hore aluminium cylinder e theko e boima haholo, 'me ha ho letho le ka hlalosang. Mothating ona, sekontiri sa cylinder block ke sona se hlahelletseng.
5) Ho hanyetsa ho phatloha le ho senya mocheso
Aluminium e tsamaisa mocheso ka potlako, kahoo e na le ts'ebetso e ntle ea ho pholisa, e ka thusang enjene ho fokotsa monyetla oa ho tuka ho sa tloaelehang. Ka karo-karolelano e tšoanang ea compression, lienjineri tsa aluminium cylinder li ka sebelisa peterole ea boemo bo tlase ho feta lienjine tsa licylinder tsa tšepe. Nakong ena, aluminium cylinder block ke eona e ka sehloohong.
6) Coefficient ea likhohlano
E le ho fokotsa inertia ea likarolo tse khutlisetsang le ho eketsa lebelo la ho potoloha le lebelo la karabo, boholo ba li-pistons li sebelisa motsoako oa aluminium e le thepa. Haeba lerako la cylinder le boetse le entsoe ka aluminium, coefficient ea khohlano pakeng tsa aluminium le aluminium e batla e le khōlō, e amang haholo ts'ebetso ea enjene. Tšepe ea tšepe ha e na bothata bo joalo. Mothating ona, li-cylinder tsa tšepe tsa tšepe li atile. [ Tlatsetso: lienjine tse bitsoang "all-aluminium" le tsona li sebelisa li-cylinder liner tsa tšepe]
ha re phethela:
Melemo ea aluminium: boima bo bobebe, mocheso o motle oa ho senya;
Melemo ea tšepe: theko e tlaase ebile e tšoarella.