Duk game da ƙwanƙwasa injin

Injin camshaft

Don kwanciyar hankali aiki na injin konewa na ciki, kowane bangare yana da mahimmin aiki. Daga cikinsu akwai camshaft. Yi la'akari da menene aikinsa, waɗanne laifofi ne ke faruwa, kuma a waɗanne yanayi ne yake buƙatar maye gurbinsa.

Menene camshaft

A cikin injunan ƙonewa na ciki tare da nau'in nau'in bugun jini guda hudu, camshaft wani abu ne mai mahimmanci, wanda ba tare da abin da iska mai dadi ko cakuda mai iska ba zai shiga cikin silinda. Wannan itace da aka ɗora a kan silinda. Ana buƙata don buɗe bawul ɗin sha da shaye-shaye a cikin lokaci.

Kowane camshaft yana da kyamarorin (eccentrics masu siffar hawaye) waɗanda ke turawa da fistan turawa, suna buɗe rami daidai a ɗakin silinda. Injunan bugun bugun jini na gargajiya koyaushe suna amfani da camshafts (akwai biyu, huɗu ko ɗaya).

Yadda yake aiki

Ana gyara abin tuƙi (ko alamar alama, dangane da nau'in tuƙi na lokaci) daga ƙarshen camshaft. Ana sanya bel (ko sarka, idan an sanya alamar alama) a kai, wanda aka haɗa da ƙugiya ko sprocket. A lokacin jujjuyawar crankshaft, ana ba da juzu'i ga tuƙin camshaft ta hanyar bel ko sarka, saboda abin da wannan ramin yana jujjuyawa tare da crankshaft.

A cikin ɓangaren giciye na camshaft, za ku iya ganin cewa kyamarorin da ke kan su suna cikin siffar digo. Lokacin da camshaft ya juya, cam ɗin yana matsawa a kan mai ɗaukar bawul tare da ɓangaren elongated, yana buɗe tashar ci ko shaye-shaye. Lokacin da aka buɗe bawul ɗin sha, iska mai daɗi ko cakuda mai da iska ta shiga cikin silinda. Lokacin da bawuloli masu shayarwa suka buɗe, ana fitar da iskar gas daga silinda.

Siffar ƙirar camshaft tana ba ku damar buɗe / rufe bawuloli koyaushe a daidai lokacin, tabbatar da ingantaccen rarraba iskar gas a cikin injin. Don haka, ana kiran wannan ɓangaren camshaft. Lokacin da jujjuya juyi na shaft (alal misali, tare da bel mai shimfiɗa ko sarkar), bawul ɗin ba su buɗe daidai da bugun jini da aka yi a cikin Silinda, wanda ke haifar da rashin kwanciyar hankali na injin konewa na ciki ko kuma baya ƙyale shi. aiki kwata-kwata.

Ina camshaft yake?

Matsayin camshaft ya dogara da fasalin fasalin motar. A wasu gyare-gyare, yana can ƙasa, ƙarƙashin ginshiƙin silinda. Mafi sau da yawa, ana samun sauye-sauye na injuna, wanda keɓaɓɓen zangonsa yana cikin kan silinda (a saman injin ƙone ciki). A yanayi na biyu, gyara da daidaita tsarin rarraba gas din ya fi sauki fiye da na farko.

Sauye-sauyen injina masu fasalin V an sanye su da bel na lokaci, wanda yake a cikin rugujewar buran silinda, wani lokacin kuma wani fanni daban yake tare da nasa tsarin rarraba gas. An gyara camshaft din kanta a cikin gidaje tare da bearings, wanda ke ba shi damar juyawa gaba ɗaya kuma cikin sauƙi. A cikin injunan dambe (ko ɗan dambe), ƙirar injin konewa na ciki baya bada izinin shigar da camshaft ɗaya. A wannan yanayin, kowane bangare yana da nasa tsarin rarraba gas, amma aikinsu yana aiki tare.

Ayyukan Camshaft

Shaaƙƙarfan ƙirar wani ɓangare ne na lokaci (tsarin rarraba gas). Yana ƙayyade tsari na bugun injina kuma yana aiki tare da buɗewa / rufe bawul ɗin, waɗanda ke ba da haɗin mai da iska zuwa cikin silinda da kuma cire iskar gas.

Tsarin rarraba gas yana aiki bisa ka'ida mai zuwa. A lokacin da ake fara injin, mai farawa ya fara aiki cranksshaft... Sarkar, motar ɗamara ce a saman dusar ƙanƙara, ko giya (a cikin tsofaffin motocin Amurka da yawa). Ana buɗe bawul ɗin cin abinci a cikin silinda kuma cakuda mai da iska ya shiga ɗakin konewa. A daidai wannan lokacin, na'urar firikwensin crankshaft tana aika bugun jini zuwa murfin ƙonewa. Ana fitar da ruwa a ciki, wanda ke zuwa walƙiya.

A lokacin da tartsatsin ya bayyana, dukkan rufunan da ke cikin silinda suna rufe kuma an matse cakuda mai. A yayin wuta, ana samar da makamashi kuma fistan yana motsawa zuwa ƙasa. Wannan shine yadda crankshaft ke juyawa yana tafiyar da camshaft. A wannan lokacin, yana buɗe bawul ɗin shaye shaye, ta inda iskar gas ke fita yayin aikin konewa.

Shaungiyar kamshaft koyaushe tana buɗe madaidaicin bawul don takamaiman lokaci kuma zuwa daidaitaccen tsayi. Godiya ga fasalin ta, wannan abun yana tabbatar da karko mai zagayowar zagayowar motar.

Cikakkun bayanai kan sifofin budewa da rufe su, da kuma saitunan su, ana nuna su a wannan bidiyon:

Hanyoyi kan zangon kwalliya, waɗanne abubuwa ne za a tsara su? Menene "lokaci na camshaft"?

Dogaro da gyare-gyaren injin, aya ɗaya ko fiye na iya zama a ciki. A cikin yawancin motoci, wannan ɓangaren yana cikin kan silinda. Ana juya shi ta hanyar juyawa daga crankshaft. Wadannan abubuwa guda biyu suna da alaƙa ta hanyar ɗamara, sarkar lokaci ko jirgin ƙasa.

Mafi yawan lokuta, ana amfani da camshaft guda ɗaya tare da injin konewa na ciki tare da tsarin layi na silinda. Yawancin waɗannan injina suna da bawul biyu a kowace silinda (ɗaya mashiga ɗaya da wata ƙofar). Hakanan akwai gyare-gyare tare da bawul uku a kowace silinda (biyu don mashiga, ɗaya don mashiga). Injiniyoyi tare da bawul 4 a kowane silinda galibi an sanye su da shafuka biyu. A akasin injunan konewa na ciki kuma tare da siffar V, an kuma sanya kwando biyu.

Motors masu ɗauke da ƙirar lokaci guda suna da ƙira mai sauƙi, wanda ke haifar da rage farashin naúrar yayin aikin masana'antu. Waɗannan gyare-gyare sun fi sauƙi don kulawa. Kullum ana sanya su akan motocin kasafin kuɗi.

A kan gyare-gyaren injina masu tsada, wasu masana'antun suna girka kamshaft na biyu don rage kaya (idan aka kwatanta da zaɓuɓɓukan lokaci tare da shaft ɗaya) kuma a cikin wasu ƙirar ICE don samar da canji a cikin matakan rarraba gas. Mafi sau da yawa, ana samun irin wannan tsarin a cikin motocin da dole ne su zama na wasanni.

Gidan kullun koyaushe yana buɗe bawul din takamaiman lokaci. Don inganta ingancin motar a babbar rpm, dole ne a canza wannan tazarar (injin yana buƙatar ƙarin iska). Amma tare da daidaitaccen tsari na aikin rarraba gas, a karin hanzarin crankshaft, bawul din shan ruwan yana rufe kafin adadin iska da ake bukata ya shigo dakin.

A lokaci guda, idan kun girka camshaft na wasanni (cams suna buɗe bawul ɗin shan abinci na tsawon lokaci kuma a wani tsawan daban), a ƙananan injina na sauri, akwai babban damar cewa bawul ɗin shigarwar zai buɗe tun kafin maɓallin shayewar ya rufe. Saboda wannan, wasu cakuda zasu shiga tsarin shaye shaye. Sakamakon shine asarar ƙarfi a ƙananan gudu da ƙaruwar hayaki.

Makirci mafi sauki don cimma wannan tasirin shine shigar da ƙwanƙwasa ƙwanƙwasa a wani kusurwa dangane da crankshaft. Wannan tsarin yana ba da damar rufewa da buɗewa da buɗewa da buɗe bawul da shaye shaye. A rpm har zuwa 3500, zai kasance a wuri ɗaya, kuma lokacin da aka shawo kan wannan ƙofar, shaft ɗin ya juya kaɗan.

Kowane masana'anta da ke kera motocin sa da irin wannan tsarin yana nuna alamar sa a cikin takaddun fasaha. Misali, Honda ta ƙayyade VTEC ko i -VTEC, Hyundai ta ƙayyade CVVT, Fiat - MultiAir, Mazda - S -VT, BMW - VANOS, Audi - Valvelift, Volkswagen - VVT, da sauransu.

Zuwa yau, don haɓaka haɓakar rukunin wutar lantarki, ana haɓaka tsarin rarraba lantarki mai amfani da lantarki da iska mai ƙarancin iska. Duk da yake irin waɗannan gyare-gyare suna da tsada sosai don ƙerawa da kiyaye su, don haka ba a shigar da su kan motocin kerawa ba tukuna.

Baya ga rarraba bugun jini, wannan ɓangaren yana tura ƙarin kayan aiki (gwargwadon gyare-gyaren injin ɗin), misali, famfunan mai da mai, da kuma ramin mai rarrabawa.

Tsarin Camshaft

Ana yin ƙera ƙera ƙira ta hanyar ƙirƙira, da ƙera simintin gyare-gyare, da simintin gyaran gwal da gyare-gyaren tubular kwanannan. Dalilin canza fasahar halitta shine sanyaukaka tsarin don samun iyakar ingancin motar.

An yi camshaft a cikin sifa, wanda a kan sa akwai abubuwa masu zuwa:

• Sock. Wannan shine gaban shaft inda ake yin babbar hanya. Lokacin shigar lokaci ana sanyawa anan. A cikin yanayin sarkar sarkar, ana sanya alama a wurin ta. An gyara wannan ɓangaren daga ƙarshe tare da maƙalli.
• Man wuyan hatimin. An liƙa hatimin man don hana man shafawa daga cikin aikin.
• Tallafa wuya. Adadin waɗannan abubuwan sun dogara da tsawon sanda. Ana ɗora bearings na tallafi akan su, wanda ke rage ƙarfin iya ɓarkewa yayin juyawar sanda. An shigar da waɗannan abubuwan a cikin ramuka masu dacewa a cikin silinda.
• Cams. Waɗannan su ne tsinkaya a cikin hanyar daskararre. Yayin juyawa, suna tura sandar da ke haɗe da dutsen bawul (ko maɓallin bawul kanta). Adadin cams ya dogara da adadin bawuloli. Girman su da sifar su yana shafar tsayi da tsawon lokacin buɗewar bawul din. Thearin ƙarshen tip, da sauri bawul ɗin zai rufe. Sabanin haka, gefen da ba shi da zurfi yana buɗe bawul ɗin kaɗan. Thearfin sandar cam shine, ƙananan bawul ɗin zai sauka, wanda zai ƙara ƙarar mai da hanzarta cire iska mai shaye shaye. Nau'in lokacin bawul an ƙaddara shi da fasalin cams (kunkuntar - a ƙananan hanzari, faɗi - a babban gudu). 
• Tashoshin mai. Ana yin rami ta cikin mashin wanda ake samarda mai a cikin cams (kowannensu yana da ƙaramin rami). Wannan yana hana shafewar lokaci na sandunan turawa da sawa akan jiragen cam.

Idan ana amfani da camshaft guda a cikin ƙirar injin, to, cams ɗin a ciki suna nan ta yadda saiti ɗaya zai motsa bawul ɗin shigarwar, kuma saiti mai ɗan kaɗan yana motsa shafunan shaye-shaye. Injiniyoyi masu silinda sanye take da mashiga biyu da bawul biyu na fitarwa suna da kamfani biyu. A wannan yanayin, ɗayan yana buɗe bawul ɗin shan abinci, ɗayan kuma yana buɗe mafitar iskar sharar iska.

Iri

Ainihin, camshafts ba su da bambance-bambance na asali daga juna. Hanyoyin rarraba iskar gas sun bambanta da gaske a cikin injuna daban-daban. Misali, a cikin tsarin ONS, ana shigar da camshaft a cikin kan silinda (a sama da toshe), kuma kai tsaye yana fitar da bawuloli (ko ta hanyar turawa, masu ɗaukar ruwa).

A cikin nau'ikan hanyoyin rarraba iskar gas na nau'in OHV, camshaft yana kusa da crankshaft a ƙasan toshewar silinda, kuma ana tura bawul ɗin ta hanyar turawa. Dangane da nau'in lokaci, ana iya shigar da camshafts ɗaya ko biyu a jere na silinda a cikin kan Silinda.

camshafts sun bambanta da juna ta nau'in kyamarori. Wasu suna da ƙarin elongated "digogi", yayin da wasu, akasin haka, suna da ƙarancin elongated siffar. Wannan ƙirar tana ba da girman motsi daban-daban na bawuloli (wasu suna da tsayin buɗewa, yayin da wasu suna buɗewa don tsayi). Irin waɗannan fasalulluka na camshafts suna ba da damammaki masu yawa don daidaita motocin ta hanyar canza lokacin da adadin wadatar VTS.

Daga cikin camshafts don kunnawa, akwai:

1. Tushen ciyawa. Suna ba da motar tare da matsakaicin karfin juyi a ƙananan revs, wanda ke da kyau ga tuƙin birni.
2. Kasa-tsakiyar. Wannan ita ce ma'anar zinariya tsakanin ƙananan juyi da na tsakiya. Ana amfani da irin wannan camshaft sau da yawa akan motocin tsere.
3. Hawa. A cikin injuna tare da irin wannan camshafts, ana samun matsakaicin karfin juzu'i a matsakaicin saurin gudu, wanda ke da tasiri mai kyau akan matsakaicin saurin mota (don tuki akan babbar hanya).

Baya ga camshafts na wasanni, akwai kuma gyare-gyare waɗanda ke buɗe ƙungiyoyin bawuloli (duka ci da shaye-shaye a lokacin da ya dace). Don wannan, ana amfani da ƙungiyoyi biyu na kyamarori akan camshaft. A cikin tsarin lokaci na DOHC, ana shigar da camshafts guda ɗaya don ci da bawul ɗin shayewa.

Menene firikwensin camshaft ke da alhakin?

A cikin injina tare da carburetor, mai rarrabawa yana haɗuwa da camshaft, wanda ke ƙayyade wane aikin da aka yi a farkon silinda - ci ko shaye.

Babu mai rarrabawa a cikin injunan ƙonewa na ciki, saboda haka firikwensin matsayi na camshaft ke da alhakin ƙayyade fasalin silinda na farko. Aikinta bai yi kama da na na crankshaft firikwensin. A wani sauyi guda daya na shaftar lokacin, crankshaft zai juya jujjuyawarta sau biyu.

DPKV yana gyara TDC na piston na farkon silinda kuma yana ba da shawara don samar da fitarwa don walƙiya. DPRV ya aika sigina zuwa ECU a wane lokaci ya zama dole don samar da mai da walƙiya zuwa silinda na farko. Hawan keke a cikin ragowar silinda ya faru a madadin ya dogara da ƙirar injin.

Sashin firikwensin camshaft ya ƙunshi maganadisu da semiconductor. Akwai alamar tunani (ƙaramin haƙori na ƙarfe) a kan shaft ɗin lokaci a yankin shigarwar firikwensin. A yayin juyawa, wannan sinadarin ya wuce ta na'urar firikwensin, saboda hakan ne aka rufe filin maganadisu a ciki kuma aka samar da bugun jini da ke zuwa ECU.

Unitungiyar sarrafa lantarki tana yin rikodin bugun bugun jini. Yana jagorantar su lokacin da aka kawo cakuda mai kuma aka kunna shi a cikin silinda na farko. Dangane da sanya shafuka biyu (daya don bugun kirji, dayan kuma ga shaye shaye), za'a saka firikwensin a kowannensu.

Menene zai faru idan firikwensin ya kasa? Wannan bidiyon an sadaukar da ita ga wannan batun:

MAGANAR FASSARA WAJEN YANA DA ALAMOMIN CIKAWA DPRV

Idan injin yana sanye da tsarin lokaci mai canzawa, to ECU zata yanke shawara daga mitar bugun jini a wanne lokaci ya zama dole a jinkirta buɗewa / rufe bawul din. A wannan yanayin, injin din zai kasance tare da ƙarin na’ura - mai saurin sauyawa (ko haɗarin ruwa), wanda ke juya ƙwanƙolin don canza lokacin buɗewa. Idan firikwensin Hall (ko camshaft) bai yi daidai ba, lokacin bawul ba zai canza ba.

Ka'idar aikin DPRV a cikin injunan dizal ya bambanta da aikace-aikacen analogues na mai. A wannan yanayin, yana gyara matsayin dukkan piston a saman matacciyar cibiyar a lokacin matsewar cakuda mai. Wannan yana ba da damar ƙayyade matsayin camshaft daidai da crankshaft, wanda ke daidaita aikin injin dizal kuma ya sauƙaƙe farawa.

Beenarin alamun alamomi an ƙara su zuwa ƙirar irin waɗannan na'urori masu auna firikwensin, wanda matsayinsa a kan faifan maɓallin yana dacewa da sha'awar wani bawul a cikin silinda daban. Na'urar waɗannan abubuwan na iya bambanta dangane da haɓakar mallakar masana'antun daban.

Nau'in sanya camshaft a cikin injin

Ya danganta da nau'in injin, yana iya ƙunsar ɗaya, biyu ko ma huɗu masu rarraba gas. Don sauƙaƙa don ƙayyade nau'in lokaci, ana amfani da alamomi masu zuwa ga murfin silinda:

• SOHC. Zai zama injin in-layi ko V mai siffofi da bawul biyu ko uku a kowace silinda. A ciki, camshaft zai zama daya ne a jere. A sandarta akwai cams waɗanda ke kula da lokacin ɗaukar abinci, kuma waɗanda ba su cika aiki ba suna da alhakin lokacin shaye-shaye. Game da injina da aka yi sura ta V, za a sami irin waɗannan shafuka guda biyu (ɗaya a jere a kowane silinda) ko ɗaya (an sanya shi a cikin raƙumi tsakanin layuka).

• DOHC. Wannan tsarin ya banbanta da wanda ya gabata ta hanyar kasancewar kwalliya biyu ta bankin silinda. A wannan yanayin, kowane ɗayansu zai ɗauki alhakin matakin na daban: ɗaya don mashiga, ɗayan kuma don sakin. Za a sami raɗaɗɗan lokaci guda biyu a kan motoci masu layi ɗaya, kuma huɗu a kan masu siffofin V. Wannan fasaha tana ba da damar rage kaya a kan shaft, wanda ke ƙaruwa da albarkatunta.

Hanyoyin rarraba gas sun kuma bambanta a wurin sanya shaft:

• Gefe (ko kasa) (OHV ko injin "Pusher"). Wannan tsohuwar fasaha ce da aka yi amfani da ita a cikin injunan carburetor. Daga cikin fa'idodin wannan nau'in shine sauƙi na lubrication na abubuwa masu motsi (wanda ke tsaye a cikin crankcase na injin). Babban hasara shine rikitarwa na kulawa da sauyawa. A wannan yanayin, cams suna danna kan masu turawa, kuma suna watsa motsi zuwa bawul ɗin kanta. Irin waɗannan gyare-gyare na motoci ba su da tasiri a babban saurin gudu, tun da yake sun ƙunshi adadi mai yawa na bawul ɗin buɗewar lokaci. Saboda karuwar rashin ƙarfi, daidaiton lokacin bawul ɗin yana wahala.

• Sama (OHC). Ana amfani da wannan ƙirar ƙirar lokaci a cikin injunan zamani. Wannan naúrar ya fi sauƙi don kulawa da gyarawa. Ofaya daga cikin abubuwan rashin nasara shine tsarin saukowar mai wuya. Dole famfon mai ya haifar da matsi mai karko, saboda haka, ya zama dole a sanya ido sosai a kan mai da kuma tazarar canji (ana ba shi labarin abin da za a mai da hankali a kansa lokacin tantance jadawalin irin wannan aikin a nan). Wannan tsari yana ba da damar partsan ƙarin sassan amfani. A wannan yanayin, cams suna aiki kai tsaye a kan masu ɗaga bawul.

Yadda ake nemo nakasar camshaft

Babban dalilin gazawar camshaft shine yunwar mai. Zai iya tashi saboda mummunan tace jihohi ko man da bai dace da wannan motar ba (don wane zaɓi aka zaɓa mai shafawar, karanta a ciki dabam labarin). Idan ka bi tazarar lokacin gyarawa, tokafin lokacin zai dauki tsawon lokacin da injin din yake.

Hankula matsaloli na camshaft

Saboda lalacewar halittu na sassa da kuma lura da mai motar, ayyukan da zasu biyo baya na ramin mai rarraba gas din na iya faruwa.

• Rashin haɓakar sassan da aka haɗe - gear drive, bel ko sarkar lokaci. A wannan halin, shaft ɗin ba zai iya amfani da shi ba kuma dole ne a sauya shi.
• Kamawa akan ɗaukar mujallu da sawa akan cams. Psan kwakwalwan kwamfuta da tsagi suna haifar da lodi mai yawa kamar gyaran bawul ɗin da ba daidai ba. Yayin juyawa, thearfin tashin hankali tsakanin cams da katako ya haifar da ƙarin dumama na taron, yana fasa fim ɗin mai.

• Yattsen mai. Hakan na faruwa ne sakamakon rashin dogon lokaci na motar. A tsawon lokaci, hatimin roba ya rasa ƙarfinsa.
• Gyarawar shaft Saboda zafin jiki na motar, ƙarfe na ƙarfe na iya tanƙwara ƙarƙashin nauyi. Ana bayyana irin wannan matsalar ta bayyanar ƙarin vibration a cikin injin. Yawancin lokaci, irin wannan matsala ba ta daɗewa - saboda girgiza mai ƙarfi, sassan da ke kusa da su za su kasa da sauri, kuma motar za ta buƙaci a aika don gyarawa.
• Shigar da ba daidai ba A cikin kansa, wannan ba matsala ba ce, amma saboda rashin bin ƙa'idodi don ƙarfafa ƙusoshin da daidaita fasalin, injin ƙonewa na ciki da sauri zai zama mara amfani, kuma zai buƙaci "haɓaka".
• Rashin ingancin kayan ka iya haifar da lalacewar shaft kanta, saboda haka, yayin zabar sabon camshaft, yana da mahimmanci a kula ba kawai ga farashinsa ba, har ma ga ƙirar mai ƙira.

Yadda za a iya ƙayyade gani na cam - wanda aka nuna a bidiyon:

Sanya Camshaft - yadda ake tantance gani?

Wasu masu ababen hawa suna ƙoƙari su gyara wasu matsaloli na shaft ta hanyar yashi yankunan da suka lalace ko shigar da ƙarin layuka. Babu ma'ana a cikin irin wannan aikin gyaran, saboda lokacin da aka aiwatar dasu, ba zai yuwu a cimma daidaito da ake buƙata don sassaucin aiki na ƙungiyar ba. Idan akwai matsala tare da shinge, masana suna ba da shawarar maye gurbin shi da sabo nan da nan.

Yadda zaka zabi camshaft

Dole ne a zaɓi sabon camshaft bisa ga dalilin sauyawa:

• Sauya ɓangaren da ya lalace tare da sabo. A wannan yanayin, an zaɓi irin wannan maimakon samfurin da bai yi nasara ba.
• Zamani na zamani. Don motocin motsa jiki, ana amfani da ƙera kamshaft na musamman tare da tsarin lokaci mai canzawa. Hakanan ana haɓaka Motors don tuki na yau da kullun, misali, ƙaruwa da ƙarfi ta hanyar daidaita matakan ta hanyar girka kamfunan da ba na yau da kullun ba. Idan babu gogewa a cikin yin wannan aikin, to ya fi kyau a danƙa shi ga ƙwararru.

Me yakamata ka mai da hankali yayin zabar camshaft mara daidaituwa ga injina na musamman? Babban ma'aunin shine cam cam, matsakaicin ɗaga bawul da kusurwa ta zoba.

Don yadda waɗannan alamun ke shafar aikin injiniya, duba bidiyo mai zuwa:

Yadda ake zaban kamshaft (kashi na 1)

Kudin sabon camshaft

Idan aka kwatanta da gyara injin gabaɗaya, farashin maye gurbin camshaft bashi da fa'ida. Misali, sabon shaft na motar gida yakai dala 25. Don daidaita lokacin bawul a cikin wasu bita zai ɗauki $ 70. Don babban sake fasalin motar tare da kayan gyara, zaku biya kusan $ 250 (kuma wannan yana cikin tashar sabis na gareji).

Kamar yadda kake gani, yana da kyau ka aiwatar da kulawa akan lokaci kuma kada a bijirar da motar zuwa lodi mai yawa. Sannan zai yi wa ubangidansa hidima na tsawon shekaru.

Waɗanne nau'ikan da za a ba da fifiko ga

Abubuwan aiki na camshaft kai tsaye ya dogara da irin kayan aiki masu inganci da masana'antar ke amfani da su yayin ƙirƙirar wannan ɓangaren. Karfe mai laushi zai kara tsufa, kuma ƙarfe mai zafi sosai zai iya fashewa.

Mafi inganci kuma mafi amintaccen zaɓi shine kamfanin OEM. Yana da masana'antun kayan aiki na asali daban-daban, waɗanda za'a iya siyar da samfuransu da sunaye daban daban, amma takaddun za su nuna cewa ɓangaren shine OEM.

Daga cikin samfuran wannan masana'anta, zaku iya samun yanki don kowane mota. Gaskiya ne, farashin irin wannan zangon zai zama mai tsada sosai idan aka kwatanta da analogues na takamaiman samfura.

Idan kuna buƙatar tsayawa akan raƙumi mai rahusa, to zaɓi mai kyau sune:

• Alamar Jamusawa Ruville;
• Kamfanin ET Engineteam na Czech;
• Alamar Burtaniya AE;
• Kamfanin Ajusa na kasar Spain.

Abubuwan rashin amfani yayin zabar kamshaft daga masana'antun da aka lissafa shine cewa a lokuta da yawa basa kirkirar sassa don takamaiman tsari. A wannan yanayin, kuna buƙatar ko dai sayi asali, ko tuntuɓi mai juyo amintacce.

Tambayoyi & Amsa:

Ta yaya crankshaft da camshaft ke aiki? Ƙaƙwalwar crankshaft yana aiki ta hanyar tura piston a cikin silinda. Ana haɗa camshaft na lokaci zuwa gare shi ta bel. Don juyin juya halin crankshaft guda biyu, jujjuyawar camshaft ɗaya yana faruwa.

Menene bambanci tsakanin crankshaft da camshaft? Ƙwaƙwalwar ƙwanƙwasa, tana juyawa, tana motsa ƙwanƙwasa a cikin jujjuyawar (sannan karfin juyi yana zuwa watsawa da kuma ƙafafun tuƙi). Camshaft yana buɗewa / rufe bawul ɗin lokaci.

Menene nau'ikan camshafts? Akwai tushen ƙasa, hawa, kunnawa da camshafts na wasanni. Sun bambanta da lamba da siffar kyamarori masu sarrafa bawuloli.