BMW M50B25, M50B25TU injini

Kugula galimoto ya BMW kwa ogula ambiri ndi chitsimikizo cha kugula galimoto yabwino yomwe idzakhala yaitali kuposa mpikisano wake.

Chinsinsi cha kudalirika kwa magalimoto ndi kuyang'anira kupanga kwawo pazigawo zonse - kuchokera pakupanga magawo kupita ku msonkhano wawo kukhala mayunitsi ndi misonkhano. Masiku ano, si magalimoto odziwika okha a kampani omwe ali otchuka, komanso injini zopangidwa - zomwe nthawi zambiri zimayikidwa pamagalimoto a anzanu a m'kalasi m'malo mwa injini zoyaka nthawi zonse zamkati.

Zakale za mbiriyakale

Kumayambiriro kwa zaka za m'ma 90, BMW inakondweretsa eni ake a galimoto ndi kutulutsidwa kwa injini yatsopano ya M50B25, yomwe inalowa m'malo mwa M20 yachikale panthawiyo. zida zogwiritsidwa ntchito zopepuka komanso zolimba, zopangidwa ndiukadaulo wapadera kuti muchepetse kulemera.

Mtundu watsopanowu unasiyanitsidwa ndi ntchito yokhazikika - njira yogawa gasi imaphatikizapo ma valve opititsa patsogolo, omwe anali opepuka kwambiri ndipo anali ndi gwero lalitali kuposa M 25. Chiwerengero chawo pa silinda chinali 4 m'malo mwa 2, monga kale. Kuchuluka kwa madyedwe kunali kopepuka kawiri - mayendedwe ake anali ndi ma aerodynamics abwino, omwe amapereka mpweya wabwino kuzipinda zoyaka.

Mapangidwe a mutu wa silinda asintha - mabedi adapangidwamo kuti akhale ndi ma camshafts awiri omwe adatumikira ma valve 24. Oyendetsa galimoto anali okondwa ndi kukhalapo kwa onyamula ma hydraulic - tsopano panalibe chifukwa chosinthira mipata, zinali zokwanira kungoyang'anira kuchuluka kwa mafuta. M'malo mwa lamba wanthawi, unyolo unayikidwa pa ICE kwa nthawi yoyamba, yomwe idayendetsedwa ndi hydraulic tensioner ndipo idafunikira m'malo mwake pokhapokha atadutsa makilomita 250.

Wopangayo adakweza makina oyatsira - zida zamunthu zidawoneka, zomwe zidayendetsedwa ndi Bosch Motronic 3.1 injini yoyang'anira.

Chifukwa cha zonse zatsopano, injiniyo inali ndi zizindikiro zamphamvu za nthawi imeneyo, inali ndi mafuta ochepa, kalasi yapamwamba ya chilengedwe ndipo inali yovuta kwambiri pakukonzekera.

Mu 1992, injiniyo idasinthidwanso ndipo idatulutsidwa pansi pa dzina la M50B25TU. Mtundu watsopanowu unamalizidwa ndikulandira njira yatsopano yogawa gasi ya Vanos, ndodo zamakono zogwirizanitsa ndi pistoni zinayikidwa, komanso Bosch Motronic 3.3.1 control system.

BMW E34 M50B25TU

injini anapangidwa kwa zaka 6, Mabaibulo awiri - 2 ndi 2,5 malita. Kumayambiriro kwa kupanga anaikidwa pa magalimoto a mndandanda E34, ndiye pa E36.

Zolemba zamakono

Madalaivala ambiri amavutika kupeza mbale pomwe mndandanda ndi nambala ya injini zimadinda - popeza malo ake ndi osiyana ndi mitundu yosiyanasiyana. Pa gawo la M50V25, ili kutsogolo kwa chipika, pafupi ndi silinda ya 4.

Tsopano tiyeni tione makhalidwe a galimoto - zazikulu zikuwonetsedwa mu tebulo ili m'munsimu:

Cylinder chipika zakuthupi	chitsulo choponyedwa
Makina amagetsi	jakisoni
mtundu	motsatana
Chiwerengero cha masilindala	6
Mavavu pa yamphamvu iliyonse	4
Pisitoni sitiroko, mm	75
Cylinder awiri, mm	84
Chiyerekezo cha kuponderezana	10.0
10.5 (TU)
Kusamutsidwa kwa injini, masentimita masentimita	2494
Mphamvu zamagetsi, hp / rpm	192/5900
192/5900 (TU)
Makokedwe, Nm / rpm	245/4700
245/4200 (TU)
Mafuta	95
Mfundo zachilengedwe	Yuro 1
Kulemera kwa injini, kg	~ 198
Kugwiritsa ntchito mafuta, l/100 km (kwa E36 325i)
- mzinda	11.5
- kutsatira	6.8
- zoseketsa.	8.7
Kugwiritsa ntchito mafuta, gr. / 1000 km	kuti 1000
Mafuta a injini	Zamgululi 5W-30
Zamgululi 5W-40
Zamgululi 10W-40
Zamgululi 15W-40
Mafuta ake ndi angati, l	5.75
Kusintha kwamafuta kumachitika, km	7000-10000
Kutentha kwa injini, deg.	~ 90
Chida cha injini, makilomita zikwi
- malinga ndi chomeracho	400 +
- pakuchita	400 +

Kufotokozera mwachidule mbali zazikulu zamapangidwe a injini:

• M50V25 ndi mu mzere injini zisanu yamphamvu ndi buku la 2494 cm³. Kapangidwe kake kakuyimiridwa ndi chipika chachitsulo, momwe mizere isanu ndi umodzi yokhala ndi mainchesi 84 mm ili mzere umodzi. injini ali makokedwe wabwino (245 Nm / rpm) ndi mphamvu (192 hp), kukupatsani ulamuliro wathunthu pa galimoto zonse mu kupanikizana magalimoto ndi mumsewu dziko. Ndikofunikira kudziwa kuti zilakolako za magawowa ndizochepa kwambiri - kugwiritsa ntchito mafuta kumachokera ku 8,7 mpaka 11,5 L / 100 Km, kutengera mtundu wagalimoto.
• Dongosolo lozizira ndi lamadzimadzi, kufalikira kumaperekedwa ndi pampu yoyendetsedwa ndi crankshaft pulley. Thermostat imayang'anira kutuluka kwa antifreeze mu bwalo lalikulu kapena laling'ono, kupereka kutentha kwathunthu kwa injini.
• Dongosolo lopaka mafuta limapereka mafuta kumagawo akulu akusisita pogwiritsa ntchito kukakamiza komwe kumapopedwa ndi pampu yamtundu wa giya, yomwe ili mu sump. Kupititsa patsogolo ntchito ya unit, komanso kupewa kutsekeka kwa ngalande zamafuta, fyuluta yapadera imayikidwa mu dongosolo;
• Makina a crank amaimiridwa ndi ndodo zisanu ndi imodzi zolumikizira zopepuka ndi pistoni, kugunda komaliza ndi 75 mm. Pansi pa zochita zawo, crankshaft imazungulira, ndikutumiza torque kumayendedwe agalimoto. The psinjika chiŵerengero cha Baibulo tingachipeze powerenga injini kuyaka mkati ndi 10,0, kwa M50V25TU - 10,5.
• Dongosolo loyatsira limaphatikizapo koyilo imodzi pa silinda iliyonse, yomwe ntchito yake imayang'aniridwa ndi kasamalidwe ka injini ya Motronic 3.1. Kapangidwe kameneka kamatsimikizira kuyatsa kosalekeza kwa kusakaniza kogwira ntchito;
• Njira yogawa gasi imayimiridwa ndi unyolo wanthawi, hydraulic tensioner, ma camshaft awiri ndi ma valve okhala ndi maupangiri awo - silinda iliyonse imakhala ndi 2 yolowera ndi ma valve awiri otulutsa. Crankshaft ikazungulira, unyolo umatsimikizira kusuntha kwa ma camshafts, omwe amatsegula ma valve amodzi ndi amodzi.

Mawonekedwe a injini ya M50B25TU

Mndandanda uwu ndi mtundu wapamwamba kwambiri - zosintha zinayambitsidwa zaka 2 pambuyo pa kutulutsidwa kwa injini yaikulu. Cholinga cha mainjiniya chinali kuchepetsa phokoso, kuwonjezera mphamvu komanso kuchepetsa kugwiritsa ntchito mafuta. Zosintha zazikulu za M50V25TU ndi:

• Kugwiritsa ntchito kachitidwe katsopano ka DME 3.3.1 ndi wowongolera Siemens MS 40.1, omwe amalola kuwongolera koyenera panjira zazikulu za injini. Izi zinapangitsa kuti zikhale zotheka kuwonjezera mphamvu ndi kuchepetsa mafuta;
• Kusintha kwa kapangidwe ka makina opangira crank - mtundu watsopanowu umagwiritsa ntchito zida zapamwamba kwambiri zomwe zimakhala zolimba, zopepuka komanso zokhala ndi moyo wowonjezera. Chiŵerengero cha kuponderezana chawonjezeka, zotsutsana zatsopano zawonekera pa crankshaft kuti muchepetse kuthamanga kwa axial ndi kugwedezeka;
• Nthawi idasinthidwa - mndandanda watsopano umagwiritsa ntchito zonyamulira zopepuka komanso zamphamvu. Kubwerera kwa valve kumalo ake oyambirira kumachitika pogwiritsa ntchito kasupe kamodzi;
• Galimotoyo idalandira mtundu wina wa sensor yothamanga yopanda ntchito, yomwe imasunga njira yoyenera yogwiritsira ntchito injini yoyaka mkati mwachabechabe, malinga ndi magawo osinthidwa.

Chinthu chinanso chodziwika cha injini ndi kukhalapo kwa dongosolo la Vanos, lomwe limayang'anira kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka mpweya kutengera katundu, kutentha kozizira ndi zina.

Vanos - mawonekedwe apangidwe, ntchito

Dongosololi limasintha mawonekedwe a kuzungulira kwa shaft yolowera, kupereka njira yabwino yotsegulira ma valve olowera pa liwiro la injini. Chotsatira chake, mphamvu ikuwonjezeka, kugwiritsira ntchito mafuta kumachepa, mpweya wa chipinda choyaka moto ukuwonjezeka, injini imalandira kuchuluka kofunikira kwa kusakaniza koyaka mumayendedwe awa.

Vanos system design:

• Chipangizo cha hydraulic chosinthira malo a camshaft;
• Kusintha kwa electromagnetic;
• Mzere wa mafuta ndi valve;
• Electronic controller.

Kugwira ntchito kwa dongosololi ndikosavuta komanso kothandiza - sensa yowongolera imasanthula magawo a injini ndipo, ngati kuli kofunikira, imatumiza chizindikiro ku switch yamagetsi. Chotsatiracho chimalumikizidwa ndi valve yomwe imatseka mafuta. Ngati ndi kotheka, valavu imatsegulidwa, imagwira ntchito pa chipangizo cha hydraulic chomwe chimasintha malo a camshaft ndi kuchuluka kwa kutsegula kwa ma valve.

Kudalirika kwagalimoto

BMW injini ndi ena odalirika, ndi M50B25 wathu ndi chimodzimodzi. Zomwe zimapangidwira zomwe zimawonjezera moyo wautumiki wamagetsi ndi:

• Kugwiritsa ntchito unyolo m'malo mwa lamba - kusinthira kumafunika nthawi zambiri, ndipo kudalirika ndikokwera;
• Kuyika ma hydraulic lifters - palibe kusintha komwe kumafunikira;
• Kugwiritsiridwa ntchito kwa machitidwe atsopano oyendetsa injini (DME 3.3.1, Siemens MS 40.1, Vanos) - kumawonjezera gwero la zida zosinthira, monga momwe zimakhalira bwino ndi injini yoyaka moto;
• Zigawo zambiri zimapangidwa ndi aloyi amphamvu kwambiri.

Zomwe wopanga amapanga ndi makilomita 400 zikwi. Koma malinga ndi ndemanga za oyendetsa galimoto - malinga ndi momwe angagwiritsire ntchito ndi kusintha kwa mafuta panthawi yake, chiwerengerochi chikhoza kuchulukitsidwa ndi nthawi 1,5.

Mavuto Oyamba ndi Kuthetsa Mavuto

Pali zilonda zochepa pa injini, apa ndizofala kwambiri mwazo:

• Kutentha kwakukulu - kulephera kumeneku ndibwino kuti tisamayesedwe, chifukwa sikumapita popanda zotsatira zake. Ndi bwino kuyang'ana mkhalidwe wa kuzirala, kukhalapo kwa antifreeze ndi mwayi wa matumba a mpweya;
• Injini ya Troit - nthawi zambiri vuto limakhala pamakoyilo oyatsira;
• Kuthamanga kosagwirizana - nthawi zambiri, wowongolera liwiro wopanda pake ndiye wolakwa. Iyeretseni ndi madzi apadera ndi mpope. Ngati vutoli likupitirirabe - chifukwa chake chikhoza kukhala throttle sensor kapena lambda probe, tikulimbikitsidwanso kuyeretsa phokoso ndikuyang'ana kukhulupirika kwa madyedwe ambiri;
• Kuchepetsa mphamvu nthawi zambiri ndi chifukwa cha kulephera kwa Vanos dongosolo. Vutoli limathetsedwa ndikusintha, chifukwa chake ndikofunikira kulumikizana ndi oyendetsa galimoto.

Izi ndizo zofooka zazikulu za injini yathu. Nthawi zambiri pali zovuta tingachipeze powerenga mu mawonekedwe a kutayikira mafuta, kulephera kwa masensa osiyanasiyana amene amafuna m'malo.

Ndi mafuta otani oti atsanulire?

Kusankha mafuta nthawi zonse kumakhala kovuta kwambiri kwa wokonda galimoto. Mumsika wamakono, mwayi wothamangira mu fake ndi wokwera kwambiri, ndipo mutha kupha mtima wa chilombo chanu mutalowa m'malo amodzi. Ndicho chifukwa chake akatswiri amalangiza kuti musagule mafuta ndi mafuta m'masitolo okayikitsa kapena ngati pali kuchotsera kotsika mtengo.

Mafuta otsatirawa ndi oyenera pamindandanda yathu ya injini:

• 5W-30;
• 5W-40;
• 10W-40;
• 15W-40.

Ndikofunika kukumbukira kuti molingana ndi bukhuli - kugwiritsa ntchito mafuta a lita imodzi pa 1 km kumaonedwa ngati kwachilendo, koma malinga ndi ndemanga, chiwerengerochi ndi chachikulu kwambiri. M'pofunika kusintha mafuta ndi fyuluta iliyonse makilomita 1000-7 zikwi.

Mndandanda wa magalimoto amene anaika M50V25

• BMW 325i E36;
• BMW 525i E34.