Kusintha kwa valavu VAZ 2107

Valve ndi gawo la injini yomwe ili gawo la njira yogawa gasi (nthawi) ndikuwongolera kuperekedwa kwa kusakaniza kogwira ntchito kwa silinda, komanso kuchotsedwa kwa mpweya wotulutsa mpweya. Zambiri zimatengera magwiridwe antchito olondola a nthawi: mphamvu ya injini, magwiridwe antchito, kuyanjana kwachilengedwe ndi magawo ena. Nkhaniyi ifotokoza kusintha mavavu injini VAZ 2107.

Cholinga cha mavavu mu injini

Pa ntchito yake, injini imadya mpweya ndi mafuta, ndipo imatulutsa mpweya wotulutsa mpweya. Ma valve amalola kuti mpweya wothira mafuta ulowe mu silinda (kupyolera mu valve yolowera) ndikuchotsa mpweya wotulutsa mpweya (kupyolera mu valve). Kusinthana kwa madyedwe ndi utsi wozungulira kumatchedwa injini yantchito. Amakhala ndi mipiringidzo inayi.

1. Cholowa. Valavu yolowera ndiyotseguka. Pistoni imatsika pansi ndipo, chifukwa cha vacuum yomwe imapangidwa mu silinda, imanyamula mafuta osakanikirana ndi mpweya, omwe amalowa kudzera mu valve yotsegula.
2. Kuponderezana. Ma valve onse awiri atsekedwa. Pistoni imasunthira mmwamba (kulowera ku spark plug) ndikukakamiza kusakaniza kwamafuta a mpweya.
3. Kusuntha kogwira ntchito. Ma valve onse awiri atsekedwa. Spark plug imapanga spark yomwe imayatsa kusakaniza kwamafuta a mpweya. Pa kuyaka kwa mpweya-mafuta osakaniza, mpweya wambiri umapangidwa, womwe umakankhira pisitoni pansi.
4. Kumasula. Vavu yotulutsa mpweya yotseguka. Pistoni imasunthira mmwamba ndikukankhira mpweya wotulutsa mu silinda kudzera pa valve yotsegula yotulutsa mpweya.
   
   

   Kuzungulira kwa injini kumakhala ndi mikwingwirima inayi, pomwe kusakaniza kogwira ntchito kumalowa, kukakamiza ndikuwotcha, ndiye kuti mpweya wotuluka umachotsedwa.

Zambiri za chipangizo cha injini ya VAZ 2107: https://bumper.guru/klassicheskie-modeli-vaz/dvigatel/remont-dvigatelya-vaz-2107.html

Video: mfundo yogwiritsira ntchito injini ndi cholinga cha mavavu

Momwe injini imagwirira ntchito

Tanthauzo la kusintha kwa valve

Kutsegula kwa valve kumayendetsedwa ndi camshaft cam. Pamene injini ikuyenda, valavu imatenthetsa ndikutalika, zomwe zingayambitse kutseka kosakwanira. Kuti akwaniritse kutalika uku, pali kusiyana pakati pa valve ndi kamera ya camshaft. Tanthauzo la kusintha ma valve kumatsika ndikuyika mtengo wofunikira wa kusiyana kumeneku.

Zizindikiro za kusintha kosayenera kwa valavu

Zizindikiro za mavavu osasinthidwa bwino ndi:

1. Kugogoda kwachitsulo kuchokera pansi pa chivundikiro cha valve.
2. Kuchepetsa mphamvu ya injini.
3. Fungo la petulo loyera mu utsi.

Vavu kusintha pa galimoto Vaz 2107 ndi kuvomerezedwa pambuyo kukonza makina gasi kugawa, komanso pambuyo kuthamanga makilomita 10-15 zikwi.

Dziwani zambiri za chipangizo chosinthira nthawi: https://bumper.guru/klassicheskie-modeli-vaz/grm/grm-2107/metki-grm-vaz-2107-inzhektor.html

Kanema: mfundo yogwiritsira ntchito makina ogawa gasi

Mfundo yogwiritsira ntchito njira yogawa gasi

Vavu kusintha pa Vaz 2107

Kusintha mavavu pa Vaz 2107 sikovuta. Komabe, mufunika zida zosinthira ndi zida, komanso malangizo atsatanetsatane.

Zida zofunika komanso zida

Musanayambe kusintha ma valve, muyenera kupeza zida ndi zipangizo zotsatirazi:

1. Seti ya ma probes osinthira mipata (kapena micrometer ndi njanji). Ichi ndi chida chachikulu pa ntchito. Iyenera kukhala yabwino, simuyenera kugula ma probe kuchokera kwa wopanga wokayikitsa.
2. Seti ya ma wrenches otseguka, kukula kwapakati (10-19 mm).
3. Chivundikiro cha valve. Ndikwabwino kusankha gasket kuchokera kwa wopanga wabwino: Corteco kapena Elring.
4. Tsukani nsanza kapena mapepala.
   

   Seti ya feeler gauge ndiye chida chachikulu chosinthira ma valve.

Malangizo a Kusintha kwa Vavu

Ma valve amasinthidwa pa injini ndi kutentha kosapitirira 20 ^oC. Pa injini yotentha, ndizosatheka kupanga kusintha kwapamwamba kwa mavavu - izi zimachitika chifukwa cha kukula kwachitsulo pamene kutentha. Kuti mudziwe kutentha kwa injini, ikani chikhato chanu pachivundikiro cha valve - sichiyenera kutentha, kuziziritsa kuyenera kubwera kuchokera kuchitsulo cha chivundikiro cha valve. Ntchitoyi ikuchitika motere.

1. Chotsani fyuluta ya mpweya pamodzi ndi nyumba, kenaka masulani mtedza 8 woteteza chivundikiro cha valve ku chipika cha injini.
   

   Vavu chivundikiro yomangitsa mtedza zili m'mphepete mwake
2. Titachotsa chophimba cha valve, tikuwona nyenyezi ya camshaft ndi manja a rocker. Musanayambe kusintha mavavu, m'pofunika kukhazikitsa injini yachinayi yamphamvu pamwamba akufa pakati (TDC). Kuti muchite izi, tembenuzirani crankshaft molunjika mpaka chizindikiro cha nyenyezi ya camshaft chikufanana ndi ebb yapadera pansi pa chivundikiro cha valve, ndipo chizindikiro cha crankshaft pulley chikugwirizana ndi chizindikiro chapadera pa injini.
   

   Kuti musinthe ma valve, injiniyo iyenera kuikidwa pamalo omwe zizindikiro zosinthika zapadera zimagwirizana.
3. Titatha kukhazikitsa silinda yachinayi ku TDC, timatenga kafukufukuyo ndikuyang'ana kusiyana pakati pa camshaft cam ndi valve rocker pa makamera No. The matenthedwe chilolezo mavavu pa Vaz 2107 ayenera kukhala 0,15 mm.
   

   Kusiyana kwa makamera achisanu ndi chimodzi ndi asanu ndi atatu kuyenera kukhala 0,15 mm
4. Ngati kusiyana kumasiyana ndi muyezo, ndiye kuti iyenera kusinthidwa. Kuti tichite zimenezi, kumasula m'munsi loko nati, ndi kuika chofunika chilolezo ndi chapamwamba mtedza. Pambuyo pake, yang'anani kusintha koyenera ndi feeler gauge. Chofufumitsa chiyenera kulowa mwamphamvu, koma popanda kupanikizana.
   

   Kusintha kwa gap kumapangidwa ndi mtedza wapamwamba wokhala ndi zomangira zotsekera
5. Tembenuzani crankshaft madigiri 180 ndikusintha mavavu No. 4 ndi 7.
6. Tembenuzani kutembenuka kwa crankshaft theka kachiwiri ndikusintha chilolezo pa mavavu No. 1 ndi 3.
7. Ndipo mutembenuzirenso crankshaft madigiri 180 ndikusintha chilolezo chamafuta pa mavavu No. 5 ndi 2.

Table: ndondomeko yosinthira ma valve pa injini za VAZ

Ngodya Crankshaft	Cylinder ku TDC	Nambala ya ma valve osinthika (makamera)
0о	4	8 ndi 6
180о	2	4 ndi 7
360о	1	1 ndi 3
540о	3	5 ndi 2

Zisindikizo za ma valve

Pokonza ma valve, ndizotheka kuti simunadziwe kuti muli pafupi ndi chinthu china chofunikira kwambiri pa makina ogawa gasi - zisindikizo za valve.

Zovala zamafuta zopaka mafuta zili pazitsulo za valve za njira yogawa gasi

Cholinga cha zisindikizo za mafuta

Injini ikamathamanga, camshaft, mikono ya rocker, akasupe a valve ndi nsonga za valve zimagwira ntchito mumtambo wamafuta. Mafuta amayikidwa pazigawo zonse ndi njira zomwe zili pansi pa chivundikiro cha valve. Mwachibadwa, zimatheranso pamwamba pa ma valve, otchedwa zimayambira.

Mothandizidwa ndi mphamvu yokoka, mafuta amatha kulowa muchipinda choyaka. Monga mukudziwa, siziyenera kukhalapo. Zophimba zamafuta zimapangidwira kuti mafuta asathamangire pansi pa tsinde la valve kupita kuchipinda choyaka injini.

Kuwonongeka kwa injini komwe kumayenderana ndi zipewa zakale

Cholinga chokhacho cha chisindikizo cha valve ndikuletsa mafuta kuti asalowe m'chipinda choyaka cha injini.. Pakapita nthawi, mphira wa chinthu ichi amataya ntchito zake ndikugwa chifukwa cha malo aukali. Izi zimapangitsa kuti mafuta alowe mu mpweya wa mafuta osakaniza, kumene amawotcha bwino.

Kwa injini yogwiritsira ntchito, mafuta ayenera kukhala pafupifupi malita 0,2 - 0,3 pa makilomita 10 zikwi. Ndi zisindikizo za tsinde za valve, zimatha kufika lita imodzi pa kilomita chikwi.

Kuwotcha mafuta mu masilinda:

• kutseka ndi kuwononga otembenuza catalytic ndi zosefera particulate (zida zimene kuchepetsa zili zinthu zoipa mu mpweya utsi), amene paokha ndi okwera mtengo kwambiri;
• zimayambitsa kutenthedwa ndi kulephera msanga kwa mavavu otulutsa injini;
• kumawonjezera kwambiri opacity ya utsi;
• kumawonjezera chiopsezo cha njala yamafuta a injini chifukwa chosowa mafuta.

Zida zosindikizira za valve pamagalimoto apanyumba zimasinthasintha pafupifupi makilomita 80 zikwi. Izi zimatengera kwambiri mtundu wa zisoti zokha komanso mafuta omwe amagwiritsidwa ntchito.

Zomwe zili bwino kugwiritsa ntchito

Pakali pano, zogulitsa zamtundu wodziwika bwino monga Corteco ndi Elring ndizodalirika kwambiri pakati pa oyendetsa galimoto ndi zimango - mitundu iyi yadziwonetsera yokha kuchokera kumbali yabwino yopanga ma gaskets, zisindikizo za mafuta, zisindikizo, zisindikizo za valve.

Pali zinthu zopangidwa ndi opanga pakhomo pamsika. Ubwino wawo umasiyana kwambiri, koma umakhala wopanda pake pazogulitsa zamakampani otsogola.

Momwe mungasinthire zisindikizo zamafuta

Mutu wosinthira zisindikizo za tsinde la valve ndi wokulirapo komanso woyenera nkhani ina. Mwachidule, zimachitika motere.

1. Chotsani chophimba cha valve.
2. Chotsani camshaft sprocket.
   

   Kuti muchotse nyenyezi ya camshaft, ndikofunikira kumasula bawuti ndikuyigwira ndi makina ochapira loko
3. Chotsani camshaft pamabedi awo.
   

   Kuti muchotse camshaft, muyenera kumasula ma bolts omwe amateteza nyumba za mayendedwe ake.
4. Thandizani ma valve ndi ndodo ya malata kudzera pa spark plug bwino.
   

   Kuti ma valve asagwe, amafunika kuthandizidwa ndi malata.
5. Yamitsani valavu.
   

   Kupondereza kasupe wa valve, crackers ayenera kuchotsedwa pa poyambira
6. Sinthani chisindikizo chamafuta.
   

   Chisindikizo chakale chamafuta chimachotsedwa ndi screwdrivers ziwiri.

Video: kusintha zisindikizo za valavu pa "classic"

KUSINTHA KWA MAFUTA CAPS VAZ CLASSIC

Chivundikiro cha valve

Chophimba cha valve chimateteza njira yogawa gasi kuchokera kuzinthu zakunja, komanso imalepheretsa kutuluka kwa mafuta. Chivundikiro cha valve chapangidwa kuti chisindikize polumikizira chivundikiro cha valve ndi mutu wa silinda. Ndi mphira, wopangidwa ndendende motsatira mizere ya chivundikiro cha valve.

Kusintha gasket yophimba valavu

Ngati pali kutuluka kwa mafuta kuchokera pansi pa chivundikiro cha valve, gasket iyenera kusinthidwa. Kuti muchite izi, muyenera kuchotsa chivundikiro cha valve (mukudziwa kale momwe mungachitire izi kuchokera pagawo la kusintha ma valve) ndi gasket. Gasket yatsopano imayikidwa popanda zida zapadera kapena zida.

Gasket yophimba valavu imayikidwa pamwamba pa mutu wa silinda ndi dzanja, popanda zida zilizonse.

Malo oyikapo ayenera kutsukidwa bwino kuchokera ku zotsalira za gasket yakale ndi zizindikiro za sealant. Timayika gasket yatsopano ndikuyika chivundikiro cha valve pa injini.

Kuyimitsa chivundikiro cha valve

Mukayika chivundikiro cha valve pa injini, chiyenera kutetezedwa ndi mtedza kumutu wa silinda. Pofuna kupewa kupotoza, kusamuka komanso kuwonongeka kwa gasket, pali njira yapadera yolimbikitsira mtedza. Chofunikira cha njirayi ndikumangitsa zomangira kuchokera pakati mpaka m'mphepete.

1. Mangitsani mtedza wapakati.
2. Mangitsani chachiwiri chapakati mtedza.
3. Mangitsani mtedza wakunja mbali imodzi ya chivundikirocho.
4. Mangitsani mtedza wakunja mbali ina ya chivundikirocho.
5. Mangitsani nati pa tabu yophimba valavu.
   

   Mtedza wophimba valavu uyenera kumangirizidwa mwadongosolo kuti tipewe kupotoza ndi kusinthika kwa gasket.

Potsatira ndondomeko yolimba ya mtedza, mumatsimikiziridwa kuti musapewe mavuto otsatila ndi kutuluka kwa mafuta kuchokera pansi pa chivundikiro cha valve.

Werenganinso za kusintha kwa gudumu pa VAZ 2107: https://bumper.guru/klassicheskie-modeli-vaz/hodovaya-chast/razval-shozhdenie-svoimi-rukami-na-vaz-2107.html

Kanema: kukhazikitsa chivundikiro cha valve VAZ 2101-07

Kuyika chivundikiro cha valve gasket VAZ 2101-07.

Kusintha mavavu pa VAZ 2107 sikovuta kwenikweni, sikufuna chidziwitso chapadera (kupatula nkhaniyi) kapena chida chapadera. Ndi mphamvu ya amateur auto mechanic kuti agwiritse ntchito m'galaja yake. Musaope kupanga galimoto yanu, ndithudi mudzapambana.