The Kamewa kusurwa a cikin motocin BMW shine ma'auni mai mahimmanci, wanda aka bi da shi ta hanyar Sensor na Matsayin Camshaft. Wannan firikwensin yana taimakawa sashin sarrafa injin (ECU) ya nuna matsayin Camshaft da lokacinsa, wanda ke da mahimmanci ga injuna tare da tsarin lokaci mai canzawa kamar bawul. VANOS.
Angle Camshaft a Idle
- A yawancin samfuran BMW, kamar su Saukewa: M52B28 a cikin E36 328i, kusurwar Camshaft yawanci 16-20 digiri a zaman banza.
Angle Camshaft A Lokacin Rev
- Yayin da injin RPM ya tashi, kusurwar Camshaft yana canzawa. Domin Saukewa: M52B28, kusurwar Camshaft yana ƙaruwa zuwa kusan 40-45 digiri lokacin da injin ya kai 3-4k RPM.
Tasirin Karatun kusurwar Camshaft mara daidai
- Ba daidai ba karanta kusurwar Camshaft ko rashin canji tare da RPM na iya haifar da abubuwan da ba a iya gani ba na inji:
- Amsa mara kyau
- Rashin iko kasa 3.5k RPM
- Rashin aikin injin
- Matsaloli da ka iya harbe-harbe na allura, wanda zai iya zama kamar ticking.
Tsarin VANOS da Camshaft Angle
- Madaidaicin kusurwar Camshaft yana da mahimmanci ga VANOS tsarin yin aiki yadda ya kamata. Na'urar firikwensin da ba daidai ba zai iya haifar da karatun da ba daidai ba, wanda zai iya hana VANOS aiki, yana haifar da matsalolin aiki.
Maye gurbin Sensor Camshaft mara kyau
- Idan firikwensin Camshaft ya yi kuskure, maye gurbinsa da ainihin ɓangaren BMW ko zaɓi mai inganci na bayan kasuwa na iya gyara matsalar.
- Na asali BMW Camshaft firikwensin galibi ana yin su SWF (Valeo), Vemo, ko AB Electronik. Amintattun samfuran bayan kasuwa kamar VNE or Hella ne mai kyau madadin ga maye.
Ma'ana da Manufar
The kusurwar Camshaft a cikin motocin BMW yana nufin matsayin Camshaft dangane da Crankshaft. Wannan yana da muhimmanci musamman a cikin model tare da Mai canzawa Nockenwellen Steuerung (VANOS) tsarin. VANOS yana haɓaka aikin injin ta hanyar daidaitawa Kamewa lokaci, yana haifar da ingantaccen ingantaccen mai, ƙarin ƙarfi, da rage fitar da hayaki.
Manufar Tsarin VANOS:
- Ingantattun Ayyukan Injin: Daidaita kusurwar Camshaft yana taimakawa haɓaka lokaci, haɓaka aikin injin gabaɗaya.
- Ingantacciyar Ingantaccen Man Fetur: VANOS yana daidaita lokacin Camshaft don rage yawan mai.
- Ƙananan Fitowa: Daidaitaccen gyare-gyaren lokaci yana haifar da konewa mai tsabta, rage fitar da hayaki.
Matsayin na'urori masu auna matsayi na Camshaft:
- Aiki tare: Camshaft Matsayi Sensors aika ainihin-lokaci bayanai zuwa ga Module sarrafa injin (DME) don tabbatar da ingantaccen lokaci tsakanin Camshaft da Crankshaft.
- Gudanar da Lokaci na Valve: Wannan bayanan yana ba DME damar sarrafa lokacin bawul daidai, yana tabbatar da aikin injin mai santsi.
Ƙayyadaddun Ƙungiya
A cikin sarrafa injin BMW, an yi amfani da shi Ƙayyadaddun Ƙungiya shine mabuɗin don inganta aikin injin. The Lantarki na Motoci na Dijital (DME) yana lissafin wannan kusurwa bisa ga Crankshaft matsayi da bayanan firikwensin don cimma iyakar inganci.
- The Maƙasudin Ƙaƙwalwar Shaft ɗin Target an saita ta DME dangane da yanayin injin. Misali, yayin farawa, DME tana daidaita Shaft ɗin Eccentric zuwa kewaye 45 digiri don ƙarin maƙura ko ɗaga bawul. Bayan farawa, kusurwar ta faɗi zuwa kusan 30 digiri, da kuma kara zuwa 19-20 digiri a lokacin dumi rago. Yana iya tashi zuwa kewaye 26 digiri lokacin da bawul ɗin kwampreso ya kunna.
- Wannan kusurwa kuma yana tasiri lokacin injector. Filin "Angle Specifies" yana saita lokacin allurar zuwa "Ƙarshen Squirt," "Tsakiya na Squirt," ko "Farkon Squirt." Tsohuwar "Ƙarshen Squirt" yana tabbatar da allurar man fetur daidai kafin babban mataccen cibiyar (TDC).
Tasirin RPM akan Lokacin Injector
Gyaran RPM yana haifar da jinkiri a cikin tururin mai, kamar yadda aka gani a ƙasa: - 1000 RPM: 48 digiri - 2000 RPM: 96 digiri - 3000 RPM: 144 digiri - 4000 RPM: 192 digiri - 5000 RPM: 240 digiri - 6000 RPM: 288 digiri - 7000 RPM: 336 digiri
- Daidai saita ƙayyadadden kusurwa yana inganta atomization na man fetur da ingancin injin. Daidaita lokacin allura ta hanyar 30-40 digiri na iya canza ma'aunin iskar man fetur (AFR), don haka daidaitaccen kunnawa yana da mahimmanci don kyakkyawan aiki.
Ainihin kusurwar Camshaft a cikin BM3
The ainihin kwana na Camshaft yana nufin madaidaicin matsayinsa dangane da Crankshaft a kowane lokaci. Wannan dangantakar tana da mahimmanci don aikin injin mai santsi. A ƙasa akwai mahimman bayanai game da Kamewaainihin kwana:
Dangantakar Camshaft da Crankshaft
- Camshaft yana jujjuya sau ɗaya don kowane juyi na Crankshaft guda biyu, yana riƙe da 1:2 rabo ta cikin sarkar lokaci da sprockets. Wannan rabo yana tabbatar da lokacin da ya dace na ɗaukar injin da bututun shaye-shaye.
Babban darajar Camshaft
- Don auna ainihin kusurwa, kuna buƙatar nemo Babban Cibiyar Matattu (TDC) na #1 cylinder ta amfani da a dabaran darajar, a mai nuna tsaye, Da kuma wani alamar bugun kira. Wannan tsari yana taimakawa tabbatar da auna matsayin Camshaft daidai.
Bambance-bambance daga ƙayyadaddun bayanai
- Lokacin Camshaft ba daidai ba yana iya haifar da matsalolin injin kamar m aiki ko kuskure. Alal misali, a cikin wani Porsche 996 engine, sabawa na -12.53 digiri na bankin Camshaft 1 da 3.05 An sami digiri na bankin Camshaft 2, wanda ke haifar da rashin ƙarfi.
Gyara Matsayin Camshaft
- Matsayin Camshaft yakamata ya kasance kusa da shi 0.00 digiri. Bayan daidaita lokaci, makasudin shine samun 0.00 sabawa ga duka Camshaft matsayi don tabbatar da injin yana aiki yadda ya kamata.
Crankshaft Juyawa da Sake dubawa
- Bayan daidaita bankin Camshaft ɗaya, juya Crankshaft 360 digiri kafin duba ko daidaita sauran bankin. Wannan matakin yana hana kurakurai a cikin gyare-gyaren lokaci.
Matsakaicin gyare-gyare da kuma TDC
- Don nemo TDC, juya Crankshaft har sai fistan ya kai matsayi mafi girma, sa'an nan kuma ba da alamar bugun kira kuma ɗauki karatun digiri a ɓangarorin biyu na TDC. Idan karatun ba su daidaita ba, yi gyare-gyare har sai an daidaita Camshaft daidai.
Ƙarshe Calibration
- Da zarar Camshaft ya daidaita kuma an gyara karkacewa, ba da izinin DME (Naúrar sarrafa injin) don sake koyan sabbin saitunan Camshaft. Wannan yana taimakawa injin yayi aiki da kyau.
Wurin Magana
The Wurin Magana a cikin injin BM3 shine Kamewa kwana lokacin da solenoid ke cikin yanayin tsaka tsaki. Wannan yana faruwa lokacin da matsin mai yayi daidai a bangarorin biyu na piston VANOS.
Ƙungiya ta tushe
Angle Reference shine gindi kusurwa, a kusa da wasu muhimman kusurwoyi-kamar su Ainihin kusurwa da Ƙayyadaddun Ƙungiya- bambanta a lokacin aikin injin. Ana auna waɗannan kusurwoyi dangane da kusurwar Magana.
Matsakaicin Matsakaici
Wannan kusurwa kuma na iya zama matsayin Camshaft lokacin da injin ke kashe, kuma solenoid ya koma tsaka tsaki. A cikin wannan jihar, tsarin VANOS baya daidaitawa da rayayye Kamewa.
Lissafi
The Ainihin kusurwa da kuma Ƙayyadaddun Ƙungiya na iya canzawa mai kyau ko mara kyau daga kusurwar Magana, yana nunawa Kamewa motsi a lokacin aikin injin.
Magance Matsalolin
Idan Haƙiƙanin kusurwoyi da Ƙayyadaddun kusurwoyi suna kusa da juna amma nesa da kusurwar Magana, yana iya nuna matsala tare da tsarin VANOS ko firikwensin Camshaft. Misali: - Matsakaicin Matsakaici na Gaskiya: 112.5° Ƙayyadaddun Ƙungiya: 112.2° Wurin Magana: 123.1 °
Wannan babban gibi daga kusurwar Magana yana nuna cewa Camshaft bazai kasance cikin yanayin tsaka-tsakin da ake tsammani ba, maiyuwa yana nuna rashin aiki.
kwatanta
Idan Haƙiƙa da Ƙayyadaddun kusurwoyi sun dace sosai, na'urorin firikwensin Camshaft da tsarin VANOS suna iya aiki da kyau. Koyaya, babban bambance-bambance tsakanin waɗannan kusurwoyi da kusurwar Magana na iya buƙatar ƙarin bincike don hana matsalolin injin.
Darajar Flank
The darajar gefe a cikin firikwensin Matsayi na Camshaft da lokacin injin yana nufin bambanci tsakanin ainihin matsayin Camshaft da ake tsammani. Misali, a cikin injin Porsche, an N050_Bambancin Camshaft of -3.00 digiri yana nuna bambanci 3-digiri daga matsayin da ake tsammani akan Bankin 2.
Matsalolin Lokacin Injini
- Idan binciken jiki ya nuna cewa kayan aikin kamar crank fil ko sandar lebur ba sa daidaitawa da ramukan Camshaft, yana nuna matsalar lokaci, mai yuwuwa mai alaƙa da ƙimar gefe. Kuskure yana nuna Camshaft ɗin ba a sanya shi daidai ba.
Mutuncin Lantarki da Matsalolin Sensor
- Duba firikwensin Camshaft don kowane katsewa. Dole ne ci gaba tsakanin firikwensin firikwensin da na'urorin Kula da Injin (DME) su kasance cikakke. Shorts ko tsangwama na iya haifar da karkatar da matsayi na Camshaft.
- Idan firikwensin Camshaft yana ba da sigina mara kyau, yana iya haifar da lambobin kuskure kamar P0341. Sigina mai girma ko ƙasa zai iya haifar da P0342 or P0343 kurakurai, wanda kuma zai iya haɗawa da karkatar da ƙimar gefe.
Gwaji da Maye gurbin Camshaft Sensors
- Yi amfani da na'urar multimeter don bincika juriya a cikin filayen firikwensin ( saita zuwa 20k ohms) don tabbatar da yanayin firikwensin. Idan babu karatu, na'urar firikwensin na iya yin kuskure kuma ya haifar da ƙimar gefen da ba daidai ba.
- Idan firikwensin ya yi kuskure, sauyawa da sake gyarawa na iya zama dole. The CASE (Kuskuren Sensor Sensor Crank Angle) sake koyo Hakanan ana iya buƙatar yin hanya ta amfani da na'urar daukar hotan takardu ta OBD-II don sake saita matsayin Camshaft.
Amfani da Bincike
Binciken kusurwa na Camshaft a cikin BM3 suna da mahimmanci don gano batutuwa tare da tsarin VANOS da Sensor na Matsayin Camshafts. Bambanci sananne tsakanin ainihin kusurwoyin Camshaft da ƙayyadaddun kusurwoyin sau da yawa yana nuna rashin aiki.
Lambobin Bincike na gama gari da Alamun
- P1520, P1523, P1397: Waɗannan lambobin suna ba da shawarar al'amurran da suka shafi VANOS solenoids ko Camshaft Matsayi Sensors a cikin injuna kamar N52, N54, N55, da N62.
- P0011 zuwa P0025: Na kowa a cikin sababbin injuna masu dual VANOS da Valvetronic, waɗannan lambobin suna nuna matsaloli tare da VANOS solenoids ko na'urori masu auna firikwensin Camshaft.
- Lambobin 2A82 da 2A87: Nuna kuskuren VANOS solenoids, wanda zai iya buƙatar maye gurbin.
- Lambobin P0012 da P0015: Waɗannan suna ba da shawarar batutuwa tare da ko dai Camshaft Matsayi Sensor (CMP) ko VANOS solenoids. Musanya solenoids na iya taimakawa wajen nuna kuskuren ɓangaren.
Hanyoyin Bincike
- Gwajin Sensor Matsayin Camshaft:
- Yi amfani da voltmeter don bincika sigina da wayoyi na ƙasa. Karatun da ya dace ya kamata ya nuna siginar siginar 5-volt da waya 12-volt. Lokacin da wani ƙarfe yana kusa da firikwensin, ƙarfin lantarki ya kamata ya faɗi zuwa sifili, yana nuna yana aiki da kyau.
- Idan babu sigina, na'urar firikwensin na iya yin kuskure, ko kuma a busa fis.
- Canza VANOS Solenoids: Sauya abin sha da shaye-shaye VANOS solenoids don bincika idan mutum ya yi kuskure. Tun da suna musanyawa, wannan na iya ragewa ko warware matsalar.
Kayan aiki da Kudin
- BMW Scan Tool: Kayan aiki na musamman na BMW na iya samar da cikakkun lambobin da suka danganci tsarin VANOS, yana taimakawa wajen bambanta tsakanin solenoid da al'amurran firikwensin.
- Sauyawa Kuɗi: Na gaske BMW VANOS solenoids farashin kusan $300 kowanne. Jimlar farashin canji na iya bambanta-daga kaɗan kamar $20 don ƙananan gyare-gyare zuwa $1500 don ƙarin hadaddun gyare-gyare.
Ta bin waɗannan matakan, zaku iya tantancewa da warware matsalolin kusurwar Camshaft a cikin tsarin BM3 yadda ya kamata.
Binciken bincike na yau da kullun, kamar gwada firikwensin Matsayi na Camshaft da duba VANOS solenoids, na iya taimakawa hana al'amurran da suka shafi aiki kamar ɓarna, rashin amsawar magudanar ruwa, da rashin ƙarfi. Idan matsaloli sun taso, maye gurbin firikwensin lokaci da daidaita tsarin suna da mahimmanci don tabbatar da aiki mai santsi.
Don amintattun na'urori masu auna firikwensin Camshaft da sassa masu maye, la'akari da ainihin abubuwan haɗin BMW ko amintattun zaɓuɓɓukan bayan kasuwa daga samfuran kamar SWF, Vemo, da Hella. Ziyarci Volgen Power don bincika sassan injuna masu inganci, tabbatar da cewa BMW ɗinku ya ci gaba da yin aiki a mafi kyawun sa.
