Engine K20A: Features da kuma sake dubawa

K20A engine - ne mai zamani biyu-lita línea hudu-Silinda fetur engine, wanda aka kera da Honda Motor Co. Ltd. The mota na irin wannan da aka shigar a cikin da yawa zamani model na motoci, "Honda". A lokacin, wannan engine ne mafi high-yi da kuma cikakken serial "zuciya" alama "Honda".

Engine K20A: fasaha bayani dalla-dalla

Kamar yadda riga ya sanar, naúrar aka shigar a cikin mota tare da gaban dabaran drive. A matsawa rabo daga cikin engine iyali dabam daga model Model. Volume - 2.0 lita, yawan bawuloli - 16. Power dogara ne a kan abin hawa yi nufi ga engine kafuwa. "Maƙare" version tasowa 150 HP. . S, alhãli kuwa wani analogue ga aiki da m tuki - 220 l. wani. Matsakaicin karfin juyi ne kusan canzawa da kuma dabam a cikin kewayon daga 179 nm zuwa 206 nm.

Yana samu da bayyana iyakar a daban-daban gudu: daga 4000 r / m da kuma kawo karshen tare da 7000 r / m. Taƙaitattun lantarki 8500 r / m - iyakar gudu a da engine ne iya aiki a biyu-lita K20A. Bayani dalla-dalla wannan naúrar aka dauke su mafi m daga cikin fafatawa a gasa.

location

"Ina K20A engine lamba?" - da yawa masu motoci tambaye wannan tambaya. Da cewa shi ne, ba haka sauki sami lambar. Dole ne ku da wani ilmi. Alal misali, domin mu fahimci inda K20A engine dakin, shi wajibi ne don kula da wani rami a gidan ruwa grille, bayan abin da yake cikin kaho sakata.

Sa'an nan, ta amfani da tocilan kamata haskaka cewa rabo daga engine, wanda aka located tsakanin Silinda kai da lagireto grille, da kuma duba hanyar da rami a raga a wani kwana na 45 digiri. Idan muka gani lambar da ake so na engine ya gaza, tuntuɓi mai Izini Service Center tare da ya dace tambaya.

Engine K20A: na'urar

Engine tsari dangi zuwa ga abin hawa jikin - gicciye amfani da línea hudu-Silinda tsari. Cylinders aka ƙidaya haka cewa na farko da daya da aka located a crankshaft kura. Camshafts, ta hanyar, suna da biyu, an sanya a saman. Used sanyaya ruwa.

All injuna K20A jerin suna sanye take da m bawul lokaci tsarin, VTC da VTEC bawul daga tsawo. VTEC tsarin, bi da bi, za a iya gane duka biyu shafts, kuma kawai domin mashiga. Wannan siga - babban bambanci daga engine K20A K20A6.

A Silinda block da kuma Silinda shugaban

A Silinda block aka jefa daga wani aluminum gami amfani GDC fasaha. Domin ya kara da rigidity daga cikin main naúrar babban bearings na game rufe kasa murfi da cewa an haɗe zuwa block 24 via kusoshi. Don kwantar da Silinda block amfani da musamman tashoshi ta hanyar abin da sanyaya ruwa gudana. Domin sa mai da pistons, crankshaft kuma a haɗa da sandunansu, kazalika da samar da man fetur zuwa man jiragen sama, da dukan tsarin da ake amfani da musamman a kwance tashoshi. Ƙarshen gaban naúra tana sanye take da wani a tsaye tashar domin ya sami damar su yi amfani da man fetur a cikin Silinda kai.

A Silinda shugaban da aka jefa daga wani aluminum gami. Bawul kaya dangane biyu camshafts (DOHC). The motsi na camshafts suna bayar da sarkar haɗa ta crankshaft. A Silinda kai ne kuma mai gado ga camshafts. Kamar yadda ta saka rocker makamai cewa wani bangare ne na VTEC tsarin. A sabon engine yana amfani da m kayan, ta haka ne rage nauyin da spring da alama cewa wani resonant vibrations.

Crankshaft da camshafts

A crankshaft sanya daga karfe da kuma shi ne pyatiopornym. Bayar da yin amfani naúrar balancer shaft ga crankshaft takwas counterweights suna shigar. Idan balancer shaft naúrar ya bace, to, amfani kawai hudu counterweights. The man kawota ga crankshaft via musamman tashar, wanda aka gudanar da babban Silinda. A sock engine crankshaft zubar kaya drive lokaci da kuma fitar da man fetur famfo.

Kowane camshaft aikin ta aiki: daya aiki da ci bawuloli, da sauran - shaye. Sarrafawa bawuloli da kuma engine K20A rata a su drive aka yi ta hanyar musamman gyara sukurori. Kowane yana da biyar camshaft hali mujallolin. Domin yin lubrication na cams da mujallolin via da engine man fetur, shi da farko ta shiga rocker hannu naúrar for VTEC tsarin, sa'an nan a cikin wani na musamman mai Tsarki wanda aka zubar a kan wani camshaft na biyu banki reference cervix. A lokaci na ci bawul ne atomatik kuma yana da za'ayi via VTC tsarin.

A sarkar drive kuma tensioner lokaci drive sarkar

Bawul kaya a irin wannan engine aka kore via sarkar watsa. Akwai musamman tensioner, wanda aka sarrafa ta karfin man, da kuma ta atomatik adjusts da tashin hankali na lokaci sarkar. Don kawar da ba dole ba kewaye oscillations, akwai musamman ta dampers, wanda aka shigar a saman da kuma gefen. Don rage adadin amo lokacin aiki na lokaci kewaye aiwatar mataki karu a drive jirgin kasa.

sanyaya kuma lubrication tsarin

K20A engine sanye take da wani ruwa sanyaya tsarin na rufaffiyar irin. Sanyaya ruwa ne kẽwayãwa a kan tilas. A bel, abin da hidima ga actuating da hinged raka'a, kuma Yanã kõra coolant famfo. Sauna tare da wani kewaya bawul, tsara don kula da ganiya sanyaya zafin jiki, da aka located a cikin mashiga ruwa bututu domin coolant. Wannan na'urar kayyade a kan wanda wani da'irar, ƙarama kõ babba, bari ruwa su kwantar da lagireto.

The mai hidima ga sa mai da engine, kara cikakken kwarara tsabtace da kuma ciyar da a karkashin matsin a cikin babban motsi sassa da kuma engine sassa. Used mai famfo trochoid irin. Ciki da wannan famfo yana da biyu na'ura mai juyi - da maigida da bawa, da alkawari daga - ƙurewar. Kuma suna juya su a daya shugabanci. A mataki na famfo da aka kore ta sarkar daga crankshaft. The man fetur tace aka located a kasa a kwance matsayi. Mai sanyaya dake tsakanin man tace da engine block, da hidima don rage zafin jiki na mai, wacce ake kawota ga engine lubricating tsarin.

A allura na man fetur a cikin engine K20A: na'urar faye hali da kuma

A man fetur allura tsarin, da ake amfani a wannan engine ne a tsarin PGM - FI (ko PGI - Programmed Fuel Allura), wanda damar bi da bi multipoint allura.

Kafaffen man fetur matsa lamba kayyadewa ya sa ya yiwu don sarrafa matsa lamba a karkashin abin da man fetur ta famfo yana ciyar da ta musamman tace to duk injectors. Domin ya rage wuya da man fetur tsarin, ajiye sarari da kuma inganta AMINCI na man fetur allura tsarin da aiki, man tace lafiya da kuma m tsaftacewa, da haska hidima ga nuna man fetur matakin da man fetur matsa lamba kayyadewa zubar a famfon gidaje.

Bisa ga karatu daban-daban masu auna sigina, da iko naúrar adjusts da adadin daga cikin cakuda da ake bukata domin allura, da abun da ke ciki na cakuda, da kuma ƙonewa lokaci. A daidai da karatu na oxygen haska da abun da ke ciki na cakuda na haska wanda aka shigar cirewa daga mai kara kuzari a cikin shaye tsarin, da iko naúrar iya saita daban-daban qagaggun na man fetur da kuma iska cakuda. Bugu da kari, shi calculates da adadin man fetur kawota ga engine ga K20A aikin sake zagayowar, kuma shi ya aikata haka a cikin wadannan jerin:

1. Za a yanke shawara ko za a gudanar da wani da man fetur allura zama dole.
2. Ya fara da definition na yanayin a cikin abin da hawa yana motsi. Wannan yanayin ne a lissafi matsayi, a cikin abin da totur feda. Har ila yau, m abin hawa gudu da kuma kudi a da crankshaft rotates da wani karatu haska sakonni.
3. Farawa na farko lissafi na man fetur allura adadin dangane da mita da abin da crankshaft rotates, da kuma a kan alamomi bayar da cikakkar matsa lamba haska a ci da yawa. A lokacin da wannan shi ne cimma mafi kyau man fetur tattalin arzikin sigogi lokacin da tuki a daban-daban halaye.
4. Ikon naúrar akai-akai karanta sakonni wadda ake kawota na'urori masu auna sigina: maƙura bawul matsayi, da mashiga iska zazzabi, coolant zazzabi, iska matsa lamba na'ura, da oxygen matakin, da abun da ke ciki na cakuda, baturi ƙarfin lantarki electropneumatic bawul bude daga cikin recirculation tsarin. Bisa ga wadannan alamomi faruwa gyara wadanda a baya lasafta man fetur yawa.
5. Ƙarasa da mataki - da kula da tsarin samar da wani alama na nawa man fetur zama dole, mu sallama wa tsarin.

Domin ya kara yadda ya dace, don tabbatar da cikakken konewa na man fetur da kuma musamman nozzles amfani da su fesa shi ne mafi alhẽri, wanda aka located a 8-9 ramukan.

A lura da naúrar karanta bayanai daga masu auna sigina na camshaft da crankshaft, domin a tantance abin da na cylinders wajibi ne don yin cakuda da kwarara a wannan lokacin, da kuma lokacin da allura.

A lura da naúra tana sanye take da aiki na kariya daga ba dole ba cunkoso. Wannan damar ta atomatik karbi man fetur allura a lokacin da crank shaft rotates a wani kudi da ya wuce matsakaicin canja. A sakamakon irin wannan jan engine gudun drop na faruwa.

bincikowa da

Ya kamata a lura da bincikowa da tsarin, da abin da engine K20A. Halaye da kuma aikin aiwatar kunshi wadannan abubuwa:

1. An lantarki iko naúrar (ECU) yana da wani Hadakar bincike tsarin, wanda ya fitar ci gaba da tracking yanayin engine da sakonni na daban-daban masu auna sigina. A hali na matsalar aiki na samfur da tsarin gano shi da kuma fadakar da direba ta kunna Duba Engine nuna alama a kan kayan aiki panel. Kamar wancan akwai wani daidai rikodin scan code ISO 15031-6 misali da manufacturer lambobin kai tsaye zuwa cikin kwamfuta memory.
2. Domin yin karatu na bincike lambobin, kana bukatar ka gama na musamman na'urar daukar hotan takardu zuwa DLC haši. Akwai wani zaɓi don cire lambobin da daskare Frame data karanta ta amfani da na'urar daukar hotan takardu. Mai haši saboda ganewar asali sanya ta Sae misali, da kuma fitarwa № 7 samar daidai da na kasa da kasa ISO misali. Wannan ƙarshe ne goyan bayan musayar bayanai a kan K-LINE.
3. Lokacin da rikodi mafi part lambobin amfani algorithm kunshi biyu, saukarwa. Ana amfani da irin wannan hanyar da a farko alamar damuwa a lokacin da ta code rubuta a kwamfuta memory. Idan wannan matsalar na faruwa sake na gaba aiki zagayowar, a cikin wannan harka, da kuma jawo Duba Engine haske. Tuki № gwajin 2 gudanar a cikin wannan hanya, kuma tare da wannan drive yanayin, amma shi ne ya zama wajibi tsakanin hawan keke bukatar kashe ƙonewa.
4. Idan akwai wani kuskure, to, da yanayi a karkashin wanda shi ya faru, da ke rubuce a cikin kwamfuta memory (daskare Frame).

Air ci tsarin da sakandare iska wadata

A ci da yawa saka a kan engine K20A, located a gaban, tsakanin lagireto da kuma Silinda kai. Yaye - a kan m, a baya, na gaba zuwa wurin zama daga cikin engine daki partitions.

Samar da ƙarin iska da nozzles ne da za'ayi via raba tsarin. The man fetur allura a cikin engine wuce da mataki na hadawa da kawota iska ke taimakawa man fetur zuwa vaporize mafi alhẽri kuma mafi m shirya man fetur-iska cakuda. Tare da wannan za ka iya cimma wani karin uniform konewa tsari, ko da idan cakuda shi ne ramammu. A sakamakon wadannan ayyuka ne don rage adadin hydrocarbons a shaye gas da kuma gudanar da wani sanyi engine farko. A sanyaya bututu Fitted da bawul wanda regulates iska wadata. A matakin na ta bude ne sarrafawa dangane da canji na girma daga cikin kakin zuma, da bi da bi ya dogara da yawan zafin jiki na ruwa hidima don sanyaya.

Ci da kuma shaye manifolds, shaye gas tsarin

A ci da yawa ne, Ya sanya daga aluminum gami da za a iya sanye take da tsarin lissafi canje-canje. Shaye da yawa da aka yi da karfe, abin da hidima rage nauyi.

A wasanni version na mota, "Honda" yana da wani musamman bawul saka a ciki da zanen wuya. Ana amfani domin rage da juriya a lokacin da baya da shaye gas saki. Buɗewa da bawul a matsa lamba da ta taso a high kudaden da juyawa daga cikin crankshaft gudun. A wannan yanayin, da shaye gas bar zanen wuya ba tare da wani juriya.

A zabi na man fetur

Kila kowane mota mai sha'awar wannan tambaya na mai sauyawa. Wanne mai cika? K20A engine mafi m "janye" a kan gida man shafawa.

Tun da iyali K injuna ne vysokooborotisty kamata a lura cewa da bakan mai dace da amfani da aka rage girmanta. A general, kamar wani manufacturer, "Honda" bada shawarar cika a man na ta kansa samar. Halayyar zuba mai dogara a kan zafin jiki fuska a da abin hawa da aka sarrafa. Amma idan ba za ka iya zuba man factory, wasu mota masu bayar da shawarar Mitasu kamfanin ta kayayyakin ko Zeppro Idemitsu kamar yadda mai kyau madadin.

Idan ba zato ba tsammani akwai wani buga a kan engine sump K20A, babu wani dalili to shakka a tuntube da cibiyar sabis ko mafi kusa m sabis tashar. Mafi sau da yawa, matsalar shi ne kawai a daidai zabi na man fetur, da kuma a bai dace da yanayi na engine.

ra'ayi na mota masu

Saboda gaskiya cewa alama "Honda" injuna ne mashahuri domin AMINCI da high yi, da motoci da kansu yi tsiwirwirinsu m shahararsa tsakanin daban-daban shekaru kungiyoyi da kuma sassan na yawan fadin duniya.

Idan wani mai amfani da bukatar wani m minivan, za ka iya saya "Honda Stream". K20A engine, wanda sake bitar mafi kyau, shi ne kawai da "zuciya" na mota. Dynamic yi da kuma tuki halaye na mota alama ya sanya shi daya daga cikin rare iyali motoci a duniya. Shi ne cikakke ga iyali tafiye-tafiye zuwa fikinik, kuma wata ziyara da wani dogon tafiya.

Wani babban mota ga iyali tare da wani ƙara damar yin amfani da wannan engine - "Honda Stepvagon". K20A damar ko da irin wannan babban nauyi da kuma minivan amincewa tsaya a kan hanya, da kuma bayar da abokan adawar wani shugaban farko.

Idan mota mai - wani matashi da m mutum, ko kawai fi son da gudun da kuma fitar da wani m tafiya, to, shi ne mai sauki shige "Honda Integra" ko "Honda Civic" tare da shahararrun alama ce Type R. Wadannan motocin an san AMINCI, ta ƙara jiki rigidity da ganiya kwanciyar hankali. Dagagge matakan ƙarfafa muhimmancin sa da shigarwa na 220-karfi K20A.

Kamar yadda mai iko ne kuma abin dogara engine da ake amfani a cikin abin hawa ga wani dadi nesa tafiya - "Honda bisa" tare da 'yan wasa hali da kuma sa hannu Yuro-R. A wannan sanyi da abin hawa iya hanzarta lashe "daruruwan" na kasa da takwas seconds!

Bugu da kari, ya kamata a lura da cewa engine "Honda" K20A - yana da babban damar bunkasa damar kusan duk wani gaban dabaran drive mota. A halin yanzu, ya fi so shi ne ga kayan aiki da kafuwa a cikin motoci Vaz goma iyali. Mafi sau da yawa, ma'abũcin wani m abin hawa saya kwangila K20A engine kuma shigar da shi ta hanyar canza fastening tsarin da adapting karkashin fasaha bukatun motarka.