Renault 2,0 dCi engine - M9R - Motar kujera

Turbines na kasawa akai-akai, matsaloli masu yawa tare da tsarin allura, gazawar lokacin bawul, ƙonawar iskar iskar gas da ke sake sake kewayawa ... Lokacin da Renault ya fahimci cewa injunan dizal ɗin turbo 1,9 dCi (F9Q) ba na goro bane na gaske, kuma rashin nasara akai-akai ya ɓata sunan. automaker, ya yanke shawarar samar da abin da yake da farko sabon, mafi aminci da kuma m inji. Workshops Renault, tare da haɗin gwiwar Nissan, sun haɗu da ƙarfi, kuma sabon rukunin, mai ƙwarin gwiwa, bai daɗe ba. Da gaske ya yi nasara? Ya zuwa yanzu, kwarewa ta nuna cewa haka ne.

Shekarar 2006 ce kuma injin 2,0 dCi (M9R) ya shiga kasuwa. Na biyu Renault Megane da Laguna shine wanda sabon rukunin ya zauna. Da farko akwai sigar 110 kW don zaɓar daga, daga baya 96 kW, an ƙara 127 kW kuma sabon sigar ya tsaya a 131 kW. Ƙungiyar wutar lantarki ta 4 kW ta bi ƙa'idar Euro 4, yayin da madafan iko masu ƙarfi ba su dace da daidaiton Euro XNUMX ba tare da shigar da matattara ta musamman ba. Koyaya, wannan "abin dogaro" na muhalli ba zai hana masu son yin tuƙi da sauri da siyarwa daga siye ba, kamar yadda aka tabbatar ta siyar da sigar kumburin Megane RS.

injin

Ƙarfin ƙarfe na ƙarfe mai ƙarfi tare da huɗu 84 mm da bugun jini 90 mm yana ba da tabbacin dogaro da dorewar injin a cikin ɗakin konewa. An raba katangar baƙin ƙarfe daidai tare da gindin crankshaft, wanda aka ɗora a kan shimfidu masu hawa a wurare biyar. Akwai ƙaramin rami a saman babba na babban jigon, wanda ke aiki don fitar da iskar gas da ke aiki akan injin yayin aikin ta. Tabbas, manyan ɗakunan konewa shima dole ne a sanyaya su da kyau saboda sune mafi girman ƙarfin injin. Ana sanyaya ɗakin ƙonawa ta hanyar tashar man shafawa wanda ke gudana tare da dukkan kewayen piston, inda famfon yake shigar da mai ta bututun ruwa.

Babu wani abu na musamman da aka yi amfani da shi a cikin wanka mai. Babu buƙatar haɗa wani abu zuwa gare shi, don haka ba mahimmin juzu'i bane ko mahimmin maƙala. Gilashin mai na gargajiya, wanda aka yi da ƙarfe mai tambarin ƙarfe, ya zama tushen injin gaba ɗaya kuma mai yiwuwa baya buƙatar ƙarin bayani. An tabbatar, ingantacce, kuma mai rahusa don ƙerawa. Kawai lokacin da ake buƙatar lodin aluminium mai ɗaukar nauyi. Da farko, ba shakka, yana aiwatar da aikin ƙarfafa jiki da kansa, kuma yana ba da kariya ga injin. Koyaya, firam ɗin da kansa kuma yana aiki azaman madaidaitan ma'aunin juyawa biyu masu jujjuyawar da ke motsawa ta hanyar kai tsaye daga crank. An tsara waɗannan shafuka don kawar da duk wani girgizawar da ba a so daga injin.

1,9 dCi injuna yawanci suna fama da rashin kyau mai kyau saboda tace mai ya yi ƙanƙanta don irin wannan babban injin. Ƙananan abin nadi, wanda ya isa ga babur, bai isa ya sa mai irin wannan injin mai buƙata ba, har ma tare da tsawaita sabis (mai sana'anta yana da'awar kilomita 30). Abu ne da ba za a yi tsammani ba. “Tace” karami ne, cikin sauri an toshe shi da gawayi kuma ya rasa ikon tacewa, don haka karfinsa kuma yana raguwa, wanda a karshe ya shafi rayuwar sabis - lalacewa da tsagewar tacewa da yawa.

Sabili da haka Renault ya fito da wata sabuwar dabara da sauran masu kera motoci ke amfani da ita tsawon lokaci. An maye gurbin ƙaramin matattara mara tasiri tare da sabon babban matattara. An maye gurbin tsohuwar matattara mai ƙyallen ƙarfe. Mai riƙe murfin allo mai haske yanzu yana fitowa daga shingen silinda, wanda kawai ake saka abin da ke cikin takarda, wanda koyaushe ake maye gurbinsa da sabon a canjin mai na gaba. Hakanan tsarin kamar mu, alal misali, daga injuna daga VW. Wannan shine tsabtace kuma mai rahusa ga duka masana'antun mota kuma, a ƙarshe, gareji da masu amfani. Hakanan mai sanyaya mai, wanda ake kira mai musayar ruwan zafi na man, yana haɗe da mai tace mai.

Saki

Hakanan an maye gurbin madaidaicin bel ɗin bel ɗin tare da bel ɗin sarkar lokaci dangane da injin M9R. Wannan tsarin ba wai kawai ya fi dorewa ba kuma ya fi dorewa, amma kuma yana buƙatar kusan babu kulawa sabili da haka ya fi abin dogaro. Sarkar madaidaiciyar madaidaiciya madaidaiciya tana yin birgima ta hanyar ruwa ta hanyar abin hawa ta hanyar sandunan tashin hankali biyu, kamar yadda muka riga muka sani daga, misali, rarraba 1,2 HTP. Ana karkatar da tashin hankali ta hanyar camshaft da ke gefen shaye -shaye, saboda wannan injin ba shi da keɓaɓɓen camshaft don shaye -shaye da rarrabe don bawul ɗin ci, amma kowane nau'in bawuloli ana bi da su ta kowane shaft. Tun da injin yana da bawuloli 16, kowane bawul ɗin yana sarrafa ci huɗu da bawuloli huɗu masu ƙarewa ta kowane mai juyawa. Ana gyara bawul ɗin ta hanyar amfani da injin rocker guda ɗaya don tabbatar da aiki ba tare da matsala ba, ƙarƙashin tsaka-tsakin kulawa na yau da kullun. Anan ma, ƙa'idar ta shafi: mafi girman ingancin mai, tsawon rayuwar hidimarsa. Kamfanonin suna motsawa ta hanyar watsa gogewa, watau gear tare da iyakancewar baya. Mun riga mun san komai daga ƙirar motocin da suka gabata, amma abu ɗaya ya ɗan bambanta. Ginin aluminium akan kan silinda har yanzu ba wani abu bane na musamman. A zamanin yau, kusan kowa yana amfani da shi, amma idan akwai dizal da ke fitowa daga matattarar matsin lamba, dizal ɗin yana makale a cikin tanki sannan a zubar da shi cikin bututun magudanar ruwa. Sauran jigon silinda ya ƙunshi sassa biyu. An kafa sashinsa na sama ta murfin bawul ɗin, aikin da yake shine tabbatar da matsakaicin matsayinta na sararin sharar da bawul ɗin kuma, a lokaci guda, ma'anar su a matsayin mai ɗaukar nauyi, don haka ke tantance wasan su. Wani abin da ake kira mai raba mai yana samuwa a saman murfin bawul ɗin. Ana tattara man da ya zube a cikin wannan mai rarrabewa, daga inda aka nufa shi zuwa wasu masu rabawar (pre-separators), inda yake shiga cikin babban mai raba, wanda ke da bawul ɗin sarrafawa mai ciki wanda ke da alhakin duk rabewar mai. tsari. Lokacin da aka kai matsakaicin matakin man da aka raba, man yana saukowa kawai zuwa babban da'irar ta bututu biyu. An shayar da bututu a cikin siphon tsotsa. Wannan duka sarari ya cika da mai don hana tarin gas da ba a so daga shingen silinda.

Turbocharger

Kamar kowane injin dizal na zamani, 2,0 dCi (M9R) yana da turbocharged. Renault ya yi canje-canje a nan kuma, kuma masu yawa. Sabon turbocharger yanzu yana sanyaya ruwa (har zuwa yanzu mun ga wannan tsarin tare da injinan mai) kai tsaye daga da'irar ruwa na injin sanyaya toshe, yana tabbatar da kwanciyar hankali a duk tsawon tafiyar. Bayan doguwar tuƙi a kan babbar hanya, ba lallai ba ne a bar motar a ɓoye na ɗan lokaci (kimanin mintuna 1-2) kuma jira turbocharger mai zafi ya ɗan huce. Wannan yana kawar da haɗarin lalacewa wanda zai iya ginawa a kan soot lokacin da turbocharger ya yi zafi kuma ba a sanyaya ba. Mai kera motoci ya maye gurbin turbo mai rauni da ruɓe daga injunan dizal 1,9 dCi da suka gabata tare da turbo mai ƙarfi. "Masu nauyi" na sabon turbocharger sune madaidaicin vanes da ke sarrafa na'urar sarrafawa, masu iya daidaita matsa lamba da inganci kuma a kusan kowane kewayon saurin gudu.

Inuwa

Hakanan an canza tsarin allurar dogo, wanda Renault ke amfani da sabon ƙarni na EDC 16 CP33 daga Bosch, shima an canza shi. An sami sabon famfon ciyar da sabon famfon CP3 a cikin tankin mai. Tsarin ya kasance kusan iri ɗaya, kawai sabon famfo yana allura akan ƙa'idar tsotsa, kuma ba allurar matsin lamba ba, kamar yadda yake a tsohuwar tsarin. Sashin kula da kwararar mai yana nuna iya gwargwadon girman da yakamata a buɗe mai allurar da kuma yadda yakamata a samar da mai daga tanki ta famfon abinci. Bugu da ƙari, ana bayar da allura ta hanyar daidaita matsin lamba a cikin layin allura. Nan da nan bayan farawa, kawai ba za a sami cikakken adadin mai a cikin tsiri ba, amma kaɗan ne kawai, don injin zai iya tuna nan da nan bayan farawa da sannu a hankali. Hakanan ana amfani da sarrafa matsi na dogo lokacin da aka saki fatar hanzari yayin tuki, don haka babu wani sakamako mai yawa. Kawai cewa lokacin da kuka saki feda, motar ba ta yi ragi ba. Ana tabbatar da sake dawo da iskar gas ɗin ta hanyar bawul ɗin sake dawo da iskar gas, wanda injin lantarki ke sarrafawa kuma ba huhu ba (injin). Don haka, bawul ɗin EGR na iya canza matsayinsa koda yanayin bai buƙace shi ba. Wannan motsi yana tabbatar da cewa ba a toshe bawul ɗin tare da hayaƙi mai ƙonewa da man shafawa na injin.

An sake yin allurar keɓaɓɓen allurar kuma an maye gurbinsu da sabbin allurar piezoelectric, waɗanda suka fi aminci fiye da allurar solenoid, waɗanda za su iya kaiwa ga matsin lamba mafi girma, wanda ya tsaya har zuwa mashaya 1600, bayan haka man ɗin ya ma fi ƙanƙanta. fesa cikin ɗakin konewa. A cikin bugun fiston guda ɗaya, allurar tana hanzarta lalata mai sau biyar. Mai ƙera ya bayyana cewa galibi saboda ƙoƙarin rage amo na waje na duk rukunin dizal.

Renault koyaushe yana ƙoƙarin samar da abin da ake kira ƙirar yanayi. Sabili da haka, a cikin kera da haɓaka sabbin motoci, koyaushe yana tunanin yanayin da kiyaye albarkatun da ba a sabuntawa. Fitar da keɓaɓɓiyar dizal ta atomatik tare da sabuntawa na yau da kullun kowane kilomita 500-1000, dangane da toshewar matattarar, kuma yana kula da rage gurɓataccen iska. Idan na’urar sarrafa injin ta gano cewa matsin da ke sama da kasa na keɓaɓɓen abin tace ba ɗaya ba ne, aikin konewa yana farawa nan da nan, wanda zai ɗauki kusan mintuna 15, gwargwadon matakin murƙushe matatar. A lokacin wannan tsari, ana shigar da mai cikin allurar tacewa ta hanyar keɓaɓɓen injector, yana haɓaka zafin jiki zuwa kusan 600 ° C. Idan kuna yawan tuƙi a kusa da gari, to muna ba da shawarar ku gudanar da motar ku a kan babbar hanya a cikin mafi girma daga lokaci zuwa lokaci don akalla minti 20. Injin zai amfana ne bayan doguwar tafiya a cikin gari.

Kwarewar Aiki: Lokaci ya nuna cewa yayin da wannan injin ɗin ke da ƙaƙƙarfan ginin ƙarfe na simintin ƙarfe da sarƙar da aka ambata ba tare da kulawa da turbocharger mai sanyaya ruwa ba, ba abin dogaro ba ne. Yana iya zama wani lokacin abin mamaki tare da fashe hatimi a karkashin Silinda shugaban, akwai kuma an samu wani man famfo gazawar da kuma akwai kuma an san lokuta na crankshaft seizures a cikin abin da haɗa sanda bearings ne undersized (gyara a cikin 2010) amma gaba ɗaya a kan-kyau. canjin mai. - 30 dubu kilomita, wanda aka ba da shawarar a rage zuwa max. 15 km. 

Cutar kamuwa da cuta

An haɗa injunan jerin dci na 2,0 dCi (M9R) tare da akwatin wuta mai haske don isar da har zuwa 360 Nm na karfin juyi. Gears shida da shafuka uku suna ba da shawarar cewa injin da kansa ya fito ne daga sigar da ta gabata, mai suna PK6.

Nauyin ƙirar motar yayi amfani da wannan tsohuwar watsawa, mafi kuskure ne. Gyaran shinge mai ɗaukar nauyi, galibi batun batun kayan aikin da aka ambata akan dandalin tattaunawa, na iya zama wani abu na baya kuma za mu iya yin imani kawai cewa sabon watsawar Renault Workshop Retrofit (PK4) ya kawar da batutuwan da ke sama gaba ɗaya.