Injin 2ZR-FE
ZR jerin injuna bayyana a cikin fall na 2006. A lokacin rani, sun fara serial samar da Valvematic. Daya daga cikinsu, 2ZR-FE engine, wanda aka ɓullo da a 2007, maye gurbin 1ZZ-FE model.
Bayanan fasaha da albarkatu
Wannan motar tana cikin layi "hudu" kuma halayen 2ZR-FE sune kamar haka:
| Yanayi | 1,8 l. |
| Ikon | 132-140 l. Tare da da 6000 rpm |
| Torque | 174 nm a 4400 rpm |
| Matsakaicin matsawa | 10.0:1 |
| Yawan bawuloli | 16 |
| Silinda diamita | 80,5 mm |
| Piston bugun jini | 88,3 mm |
| Weight | 97 kg |
Siffofin rukunin sun haɗa da:
- Tsarin DVVT;
- sigar tare da Valvematic;
- kasancewar masu hawan hydraulic;
- deaxage na crankshaft.
Da albarkatun Toyota 2ZR-FE a gaban babban kan kai ne fiye da 200 dubu km, wanda yawanci ya ƙunshi maye gurbin sawa ko makale fistan zobba.
Na'urar
Ginin silinda an yi shi ne daga allunan aluminum. Hannun hannayen riga suna da gefen waje na ribbed, wanda aka haɗa su zuwa kayan aikin toshe don haɗin gwiwa mai ƙarfi da inganta haɓakar zafi. Saboda kaurin bangon 7 mm tsakanin silinda, ba a yi hasashen sake fasalin ba.
A tsaye axis na crankshaft an biya diyya da 8 mm dangane da gatari na cylinders. Wannan abin da ake kira desaxage yana rage rikici tsakanin piston da layin layi lokacin da aka ƙirƙiri matsakaicin matsa lamba a cikin silinda.
Ana sanya camshafts a cikin wani gida daban wanda aka ɗora akan kan toshe. Ana daidaita sharewar bawul ta hanyar masu ɗaga ruwa da na'urorin na'urorin na'ura. Motar lokaci shine sarkar jeri ɗaya (farar 8 mm) tare da na'ura mai ɗaukar nauyi da aka sanya a wajen murfin.
Ana canza lokacin bawul ɗin ta hanyar masu kunnawa da aka ɗora akan camshafts na bawul. Kusurwoyinsu sun bambanta tsakanin 55° (shigarwa) da 40° (kanti). Bawuloli masu shiga suna ci gaba da daidaitawa a tsayin ɗagawa ta amfani da tsarin (Valvematic).
Fam ɗin mai yana aiki daga crankshaft ta amfani da keɓaɓɓen kewayawa, wanda yake da kyau lokacin farawa a cikin hunturu, amma yana rikitarwa da ƙira. Katangar tana sanye da jiragen mai da ke sanyaya da sa mai pistons.
Ribobi da fursunoni
Tattalin arzikin mota mai injin 2ZR-FE yana da inganci. Yana da ƙarancin amfani akan babbar hanya, duk da haka, dangane da zafin jiki na waje. Har ila yau ana amfani da amfani ta hanyar tarawa tare da bambance-bambancen da ya fi dacewa a wannan batun, kuma an haɗa su tare da watsawa ta atomatik, motar tana nuna "matsakaici" dacewa.
Tare da karuwa a cikin sauri, camshaft yana motsawa ta hanyar kusurwa dangane da ja. Kyamarar siffa ta musamman, lokacin da aka juya shaft, bawul ɗin sha suna buɗewa kaɗan da wuri, kuma suna rufewa daga baya, wanda ke ƙara N da Mcr a cikin babban gudu.
Injin yana da bugun piston na 88,3 mm, don haka Vav = 22 m / s a ƙimar ƙimar. Hatta pistons masu haske ba sa ƙara rayuwar motar. Haka ne, kuma ƙarar da aka yi da man fetur ma yana da alaƙa da wannan.
A kan wannan samfurin, ya zama dole don maye gurbin sarkar lokaci bayan kilomita dubu 150, zai fi kyau tare da sauran sassa, tun da tsofaffin sprockets da sauri sun ƙare sabon sarkar. Amma tun da camshaft sprockets an yi a lokaci guda kamar tsada VVT tafiyarwa kuma ba a maye gurbinsu daban, canza kawai sarkar yi kadan.
Wurin kwance na matatar mai abin takaici ne, tunda mai yana fitowa daga gare ta zuwa cikin akwati lokacin da injin ya kashe, wanda ke ƙara lokacin haɓaka ƙarfin mai a sabon farawa.
Akwai kuma irin wannan rashin amfani:
- farawa mai wahala da kuskure;
- kurakuran EVAP na al'ada;
- leaks da hayaniyar famfo mai sanyaya;
- matsaloli tare da tilasta XX;
- zafi fara wahala, da sauransu.
Rajista na motoci tare da injin 2ZR-FE
Motoci masu zuwa suna da wannan tashar wutar lantarki:
- Toyota Allion?
- Toyota Premium;
- Toyota Corolla, Corolla Altis, Axio, Fielder;
- Toyota Auris;
- Toyota Yaris;
- Toyota Matrix / Pontiac Vibe (Amurka);
- Farashin XD.
Wannan injin yana da alƙawarin: za a shigar da shi akan sabon Toyota Corolla tare da ƙirar 2ZR-FAE.
