Injin M52B20 - njirimara otu sitere na BMW!
Ihe
Igwe M52B20 ahapụbeghị ụlọ ahịa mmepụta kemgbe 2000. Ejiri ụdị M54 dochie ya. E mepụtara ngalaba ndị agadi na mgbanwe atọ. N'ime afọ nke ire ere, moto ahụ emewokwa ọtụtụ nkwalite. Anyị na-ewetara gị isi akụkọ gbasara mbanye a!
M52B20 engine - data teknụzụ
Osisi ahụ nke engines M52B20 si pụta bụ ụlọ ọrụ Bavarian Plant Group, nke BMW nwere, na-arụ ọrụ kemgbe 1992 ma dị na Munich. Dị ka e kwuru na mbụ, ike unit e mepụtara site na 1994 ruo 2000.
M52B20 bụ inline isii cylinder petrol engine nwere valves anọ kwa cylinder na usoro DOHC. N'otu oge ahụ piston dayameta bụ 80 mm, na ọrịa strok - 66 mm. N'aka nke ya, ngụkọta olu ọrụ bụ 1991 cc.
Nke a 2.0-liter sitere ndammana aspirated anọ-strok engine nwere 11: 1 mkpakọ ratio na ịzụlite 148 hp. Iji jiri ya, jiri 0W-30, 0W-40, 5W-30 ma ọ bụ 5W-40 mmanụ ma gbanwee ya kwa 10-12 km. km ma ọ bụ ọnwa 6.5 ọ bụla. Ihe tankị ihe nwere ikike nke lita XNUMX.
Ụdị ụgbọ ala nke arụnyere engine
Igwe M52B20 kwadoro usoro nke atọ nke E36 yana usoro E39 nke ise. Ndị injinia BMW ejirila mgbakọ a na ụgbọ ala E46 kemgbe ngwụcha afọ 90, injin ahụ pụtakwara na E38 7 Series na E36/E37 Z3.
Nhazi ụgbọala
Inline isii cylinder engine nke 52 lita bụ nke usoro MX. N'ihi nke a, e nwere ọtụtụ myirịta na imewe n'etiti ihe nlereanya a na M52B24, M52B25, M52B28 na S52B32 variants. Ihe mgbochi M52B20 dochie ụdị M50B20.
Ndị na-emepụta BMW kpebiri iji ngọngọ cylinder aluminum. A na-ejikwa ihe a mee 32-valve DOHC isi. Tụnyere ụdị M50B20, a na-ejikwa pistons ọhụrụ na mkpanaka njikọ ogologo 145 mm.
Akụrụngwa injin ahụ na-agụnye usoro oge valvụ na-agbanwe agbanwe VANOS naanị na camshaft oriri, yana ihe oriri dị mfe, nke ejiri plastik mee. Igwe ahụ nwekwara injectors mmanụ ụgbọala 154cc.
Kedu ka esi emeziwanye nguzogide mkpuchi nke cylinder liners?
N'ihe banyere M52B20, a na-etinye ihe mkpuchi ọzọ nke Nikasil na cylinder liners. Ihe mkpuchi ahụ nwere kpomkwem nke electrophoretically lipophilic oyi akwa nke nickel na silicon carbide. Ojiji ya mere ka ihe ndị a na-etinye ya na-adịte aka karịa ka nkedo ígwè ma ọ bụ chromium.
Ngwọta ọhụrụ na 1998 - olee otú e si zụlite ụdị igwe kwụ otu ebe?
Afọ anọ ka powertrain na-aga ire ere, BMW kpebiri ime ihe ndị ọzọ iji melite imewe ahụ. A gbakwụnye ihe nkedo ígwè na ngọngọ cylinder aluminum. Tụkwasị na nke ahụ, a na-ewughachi mkpanaka njikọ, pistons na usoro jụrụ oyi kpamkpam.
Agbakwunyekwara bụ sistemu Double-VANOS, ụdị ihe oriri dị iche iche nke geometry DISA na ahụ ọkụ eletrik. Valve ebuli bụ 9,0/9,0 mm, na a na-akpọ unit ike emelitere M52TUB20. N'afọ 2000, a gbanwere ya site na ihe nlereanya nke usoro M54 - unit M2,2B54 na olu nke 22 lita.
Arụ ọrụ na ọtụtụ nsogbu
Ihe na-adịghị mma a na-ahụkarị bụ radiator na mgbawa tankị mgbasawanye. Ndị na-eji ụgbọ ala nwere M52B20 na-eme mkpesa maka mgbapụta mmiri mberede na mberede na-enweghị isi, nke valvụ njikwa na-adịghị mma na-ebutekarị. Enwekwara nsogbu mkpuchi valvụ na mpụta mmanụ, yana valvụ enyemaka gbajiri agbaji.
Kedu ihe ị ga-achọ mgbe ị na-ahọrọ engine M52B20?
Ọ dị mma ịmara ebe a na engines M52B20 bụ nkeji ochie - nke ikpeazụ karịrị afọ 20. N'ihi nke a, ma eleghị anya, onye ọ bụla n'ime ha nwere nnukwu ike. Isi ihe dị n'oge dị otú a bụ nyocha zuru oke na njirimara nke akụkụ kachasị eyi.
Ihe kachasị mkpa bụ ọnọdụ dị mma nke usoro nkwado engine. Nke a bụ usoro jụrụ oyi nke nwere mgbapụta mmiri, radiator na tankị mgbasawanye. Akụkụ ndị a bụ ihe kacha emetụta ọdịda. Ya mere, tupu ịzụrụ igwe kwụ otu ebe, ịkwesịrị ịlele ọrụ ha.
N'aka nke ọzọ, ihe ndị dị n'ime ya dị ka valves, yinye, njikọ njikọ, cranks na akàrà nwere ike ịrụ ọrụ n'enweghị nsogbu ọbụna karịa 200 km nke ịnya ụgbọ ala. km. Site na-ekenye ụfọdụ mmefu ego maka mbụ Ndozi na-eweta unit na ezigbo teknuzu ọnọdụ, BMW M52B20 engine ga-akwụghachi gị na ezi ọrụ - n'agbanyeghị afọ.
