M52B25 injini kubva BMW - hunyanzvi hunhu uye kushanda kweiyo unit
Zviri mukati
Injini yeM52B25 yakagadzirwa kubva muna 1994 kusvika muna 2000. Muna 1998, shanduko dzakawanda dzekugadzira dzakaitwa, semugumisiro wekuti kushanda kwechikwata kwakagadziridzwa. Mushure mokunge kugoverwa kweM52B25 modhi kwapera, yakatsiviwa neM54 version. Iyo unit yaifarira kucherechedzwa, uye humbowo hweiyi yaive nzvimbo yechigarire mune rondedzero yegumi akanakisa injini dzeiyo inoremekedzwa magazini yeWard - kubva 10 kusvika 1997. Kuunza iyo inonyanya kukosha ruzivo nezve M2000B52!
M52B25 injini - data data
Kugadzirwa kweinjini iyi modhi kwakaitwa nemugadziri weBavaria Munich Plant muMunich. Injini yeM52B25 kodhi yakagadzirwa mune mana-madhizaini ane masilinda matanhatu akaiswa mumutsara wakatwasuka parutivi rwe crankcase uko mapiston ese anofambiswa neakajairika crankshaft.
Iko kusimuka chaiko kweinjini yepeturu ndeye 2 cm³. Mafuta ejekiseni system yakasarudzwawo, iyo yekupfura yehumburumbira yega yega yaive 494-1-5-3-6-2 uye yekumanikidza reshiyo ye4: 10,5. Huwandu huremu hweM1B52 injini ndeye 25 makirogiramu. Iyo M52B25 injini zvakare yakashongedzerwa neimwe VANOS system - Variable Camshaft Nguva.
Ndeapi mhando dzemotokari dzakashandisa injini?
Iyo 2.5 litre injini yakaiswa paBMW 323i (E36), BMW 323ti (E36/5) uye BMW 523i (E39/0) modhi. Iyo unit yakashandiswa nekunetsekana kubva 1995 kusvika 2000.
Kuvaka nzira yedhiraivha unit
Dhizaini yemota yakavakirwa pane cylinder block yakakandwa kubva kune aruminiyamu alloy, pamwe nemasilinda liners akaputirwa neNikasil. Iyo Nikasil coating musanganiswa wesilicon carbide pane nickel matrix, uye zvinhu pazvinoiswa zvinogara zvakanyanya. Sechokwadi chinonakidza, tekinoroji iyi inoshandiswawo mukugadzira mota dzeF1 mota.
Cylinders uye dhizaini yavo.
Musoro wecylinder wakagadzirwa nealuminium alloy. Chain-driven twin camshafts uye mavharuvhu mana pacylinder akawedzerwawo. Zvinonyanya kukosha, musoro unoshandisa muchinjika-kuyerera dhizaini kune rimwe simba uye kugona.
Nheyo yekushanda kwayo ndeyokuti mhepo inopinda inopinda mukamuri inopisa kubva kune rumwe rutivi, uye magasi emhepo anobuda kubva kune imwe. Valve clearance inogadziriswa ne-self-adjusting hydraulic tappets. Nekuda kweizvi, ruzha panguva yekushanda kweM52B25 injini haina yakakwira frequency. Iyo inobvisawo kudiwa kwekugadziriswa kwevhavha nguva dzose.
Silinda kuronga uye piston mhando
Dhizaini yeyuniti yakagadzirwa nenzira yekuti masilinda anoratidzwa kune inotenderera inotonhorera kubva kumativi ese. Mukuwedzera, iyo M52B25 injini ine mabheji makuru manomwe uye yakadzikama yakakanda simbi crankshaft inotenderera mumakamuri akatsemuka anogona kutsiva mabhengi makuru.
Zvimwe zvimiro zvekugadzira zvinosanganisira kushandiswa kwesimbi yakaumbwa yekubatanidza tsvimbo ine inotsiviwa mabearings ayo akatsemurwa padivi pecrankshaft uye anorema bushings padivi pepiston. Mapistoni akaiswa ane mhete katatu ane zvindori zviviri zvepamusoro zvinochenesa mafuta, uye mapini episton anogadziriswa nemacirclips.
Dhiraivha kushanda
BMW M52 B25 injini dzakanakidzwa neongororo yakanaka yemushandisi. Vakavati vakavimbika uye vane mari. Zvisinei, mukushandiswa, mamwe matambudziko akamuka, anowanzobatanidzwa nekushanda kwakajairika.
Izvi zvinosanganisira kukundikana kwezvikamu zvehutano hwekubatsira kwechikwata chemagetsi. Iyi inotonhorera system - inosanganisira pombi yemvura, pamwe neradiator kana tangi yekuwedzera.
Kune rumwe rutivi, mativi emukati akanzi akasimba zvikuru. Izvi zvinosanganisira mavharuvhu, maketani, madzinde, tsvimbo dzinobatanidza uye zvisimbiso. Vakashanda zvakatsiga kwemakore anopfuura 200 XNUMX. km. mileage.
Tichifunga nezvezvinhu zvose zvine chokuita nekushandiswa kweinjini yeM52B25, tinogona kutaura kuti yakanga iri simba rakanyanya kubudirira. Mienzaniso yakanyatsochengetedzwa ichiripo pamusika wechipiri. Nekudaro, usati watenga chero ipi zvayo, zvinodikanwa kunyatso tarisa mamiriro ayo ehunyanzvi.
