M52B20 injini - unit maitiro kubva BMW!
Zviri mukati
Injini yeM52B20 haina kusiya zvitoro zvekugadzira kubvira 2000. Yakatsiviwa neM54 modhi. Chikwata chevakuru chakagadziridzwa mumatatu matatu. Kwemakore ekutengesa, mota yakagadziridzwawo akati wandei. Isu tinokupa iwe nhau dzakakosha nezve drive iyi!
M52B20 injini - data data
Chimiro chakabuda injini dzeM52B20 chaiva Bavarian Plant Group chirimwa, chiri cheBMW, chinoshanda kubvira 1992 uye chiri muMunich. Sezvambotaurwa, simba chikwata akagadzirwa kubva 1994 kusvika 2000.
Iyo M52B20 inline matanhatu-cylinder peturu injini ine mavharuvhu mana pahumburumbira muDOHC system. Panguva imwecheteyo, dhayamita yepiston ndeye 80 mm, uye sitiroko yayo ndeye 66 mm. Nekudaro, iyo yakazara vhoriyamu yekushanda ndeye 1991 cc.
Iyi 2.0-litre inogaroshuvira ina-stroke injini ine 11: 1 compression reshiyo uye inovandudza 148 hp. Kuti uishandise, shandisa 0W-30, 0W-40, 5W-30 kana 5W-40 oiri uye uchinje iyo yega 10-12 km. km kana mwedzi 6.5 yega yega. Iyo tangi yechinhu inokwana marita zviuru zvishanu.
Mienzaniso yemotokari iyo injini yakaiswa
Iyo M52B20 injini yakapa simba E36 yechitatu akatevedzana pamwe neE39 yechishanu akatevedzana. BMW mainjiniya vakashandisawo gungano iri E46 motokari kubvira pakupera 90s, uye injini yakaonekwawo muE38 7 Series uye E36/E37 Z3.
Dhiraivha dhizaini
Iyo 52-litre inline matanhatu-cylinder injini ndeye MX akatevedzana. Nechikonzero ichi, pane zvakawanda zvakafanana mukugadzira pakati peiyi modhi neM52B24, M52B25, M52B28 uye S52B32 akasiyana. Iyo M52B20 block yakatsiva iyo M50B20 modhi.
Vagadziri veBMW vakasarudza kushandisa aluminium cylinder block. Ichi chinyorwa chakashandiswawo kugadzira iyo 32-vharuvhu yeDOHC musoro. Kuenzaniswa neM50B20 mutsauko, mhando nyowani pistons uye 145 mm kureba yekubatanidza tsvimbo inoshandiswa zvakare.
Iyo injini yemidziyo inosanganisirawo inoshanduka yevhavha nguva system VANOS chete pane inopinza camshaft, pamwe neyakapusa manifold, iyo inogadzirwa nepurasitiki. Injini zvakare ine 154cc mafuta majekiseni.
Nzira yekuvandudza sei kupfeka kuramba kwema cylinder liners?
Panyaya yeM52B20, imwe nhanho yeNikasil yakashandiswa kune silinda liners. Iko kupfekedza kunosanganisira chaizvo electrophoretically lipophilic layer ye nickel uye silicon carbide. Kushandiswa kwaro kwakakonzera kusimba kwakanyanya kwezvikamu zvayakaiswa, inofananidzwa nesimbi yakakandwa kana chromium zvikamu.
Mhinduro nyowani muna 1998 - dhizaini yebhasikoro yakagadziridzwa sei?
Makore mana mushure mekunge powertrain yatanga kutengeswa, BMW yakafunga kutora mamwe matanho ekuvandudza dhizaini. Cast iron liners yakawedzerwa kune aluminum cylinder block. Mukuwedzera, matanda ekubatanidza, pistons uye kutonhora system zvakavakwa zvachose.
Yakawedzerwawo yaive Double-VANOS system, DISA inosiyana geometry yekudyara manifold uye yemagetsi throttle body. Kusimudza vheji yaive 9,0 / 9,0 mm, uye iyo yakagadziridzwa magetsi unit yainzi M52TUB20. Muna 2000, yakatsiviwa nemuenzaniso kubva kuM54 series - iyo M2,2B54 unit ine volume ye 22 litres.
Kushanda uye matambudziko akajairika
Kusashanda zvakanaka kwakajairika radiator uye tangi yekuwedzera inodonha. Vashandisi vemota dzine M52B20 vanonyunyutawo nezvepombi yemvura yekukurumidzira uye kusaenzana idling, iyo inowanzokonzerwa nevhavhavha yekudzora isina kunaka. Kune zvakare matambudziko evhavha yevhavha uye kudonha kwemafuta, pamwe neakatyoka maviri ekuyamura mavharuvhu.
Chii chekutarisa pakusarudza injini yeM52B20?
Zvakakosha kucherechedza pano kuti injini dzeM52B20 dzave dzakakura zvidimbu - iyo yekupedzisira ine makore anopfuura makumi maviri. Nokuda kwechikonzero ichi, zvichida, mumwe nomumwe wavo ane mileage yakakwirira. Chinhu chakakosha panguva yakadai ndeyekuongorora kwakadzama kwakadzama uye kuzivikanwa kwezvikamu zvakasakara.
Chinhu chinonyanya kukosha ndeye mamiriro akanaka einjini yekutsigira system. Iyi igadziriro yekutonhodza ine pombi yemvura, radiator uye tangi rekuwedzera. Zvikamu izvi ndizvo zvinonyanya kukanganiswa. Naizvozvo, usati watenga bhasikoro, unofanirwa kutarisa kushanda kwavo.
Kune rumwe rutivi, zvikamu zvemukati zvakadai sevhavha, ketani, matanda ekubatanidza, cranks uye zvisimbiso zvinogona kushanda pasina matambudziko kunyange neanopfuura 200 km yekutyaira. km. Nekugovera imwe bhajeti yekutanga kugadzirisa uye kuunza iyo unit kune yakakwana yehunyanzvi mamiriro, iyo BMW M52B20 injini ichakubhadhara iwe nebasa rakanaka - kunyangwe nezera rayo.
