Mu injini za ku Korea Daewoo, monga zina zilizonse, pali zinthu zosindikizira za crankshaft - zosindikizira za mafuta kutsogolo ndi kumbuyo.Werengani zonse za zisindikizo zamafuta a Daewoo, mitundu yawo, kapangidwe kake, mawonekedwe ake ndi momwe angagwiritsire ntchito, komanso kusankha kolondola ndikusintha zisindikizo zamafuta m'ma mota osiyanasiyana m'nkhaniyi.
Kodi Daewoo crankshaft oil seal ndi chiyani?
Chisindikizo chamafuta a Daewoo crankshaft ndi gawo la makina opangira ma injini opangidwa ndi bungwe la South Korea Daewoo Motors;O-ring sealing element (gland seal), kusindikiza chipika cha silinda ya injini pachotulukira chala chala ndi shank ya crankshaft.
Crankshaft ya injini imayikidwa mu chipika cha injini kuti nsonga zake zonse zipitirire kupitirira chipika cha silinda - pulley ya mayunitsi oyendetsa galimoto ndi zida za nthawi zimayikidwa kutsogolo kwa shaft (chala chala), ndi flywheel. wokwera kumbuyo kwa shaft (shank).Komabe, kuti injini igwire ntchito bwino, chipika chake chiyenera kusindikizidwa, kotero kuti crankshaft yotulukamo imasindikizidwa ndi zisindikizo zapadera - zisindikizo zamafuta.
Chisindikizo chamafuta a crankshaft chili ndi ntchito ziwiri zazikulu:
● Kutseka chipika cha injini kuti mafuta asatayike pabowo la crankshaft;
● Kuteteza zonyansa zamakina, madzi ndi mpweya kuti zisalowe mu chipika cha injini.
Kugwira ntchito bwino kwa injini yonse kumadalira momwe chisindikizo chamafuta chilili, chifukwa chake ngati chiwonongeka kapena kutha, gawoli liyenera kusinthidwa posachedwa.Kuti mupange kugula koyenera ndikusintha chisindikizo chatsopano cha gland, ndikofunikira kumvetsetsa mitundu, mawonekedwe ndi momwe zisindikizo zamafuta a Daewoo zimagwirira ntchito.
Mapangidwe, mitundu ndi kugwiritsa ntchito kwa zisindikizo zamafuta za Daewoo crankshaft
Mwamapangidwe, zisindikizo zonse zamafuta a crankshaft ya magalimoto a Daewoo ndizofanana - iyi ndi mphete ya rabara (rabala) ya mbiri yooneka ngati U, mkati mwake yomwe imatha kukhala ndi mphete ya kasupe (kasupe wopindika wopyapyala wokulungidwa mu mphete) kuti mukhale wodalirika kwambiri pa shaft.Mkati mwa chisindikizo chamafuta (pamodzi ndi mphete yolumikizirana ndi crankshaft), ma notche osindikizira amayikidwa kuti awonetsetse kuti dzenje la shaft litsekedwa pakugwira ntchito kwa injini.
Chisindikizo chamafuta chimayikidwa mu dzenje la cylinder block kuti groove yake iyang'ane mkati.Pachifukwa ichi, mphete yake yakunja imakhudzana ndi khoma la chipika (kapena chophimba chapadera, monga momwe zimakhalira kumbuyo kwa chisindikizo cha mafuta), ndipo mphete yamkati imakhazikika mwachindunji pamtengowo.Pakugwira ntchito kwa injini, kupanikizika kowonjezereka kumapangidwa mu chipika, chomwe chimakanikizira mphete zosindikizira mafuta ku chipika ndi shaft - izi zimatsimikizira kulimba kwa kulumikizana, zomwe zimalepheretsa kutulutsa mafuta.
Chisindikizo chakumbuyo chamafuta mumakina opangira ma injini a Daewoo
Zisindikizo zamafuta a Daewoo crankshaft zimagawidwa m'mitundu ingapo malinga ndi zomwe zimapangidwira, kukhalapo kwa boot ndi kapangidwe kake, komwe kazungulira kachipangizoka, komanso cholinga, kukula kwake komanso momwe angagwiritsire ntchito.
Zisindikizo zamafuta zimapangidwa ndi mphira wapadera (elastomers), pamagalimoto a Daewoo pali magawo opangidwa ndi zinthu zotsatirazi:
● FKM (FPM) - fluororubber;
● MVG (VWQ) - mphira wa organosilicon (silicone);
● NBR - rabala ya nitrile butadiene;
● ACM ndi rabala ya acrylate (polyacrylate).
Mitundu yosiyanasiyana ya mphira imakhala ndi kukana kutentha kosiyanasiyana, koma kutengera mphamvu zamakina ndi antifriction, sizosiyana kwenikweni.Zomwe zimapangidwa ndi chisindikizo chamafuta nthawi zambiri zimawonetsedwa polemba mbali yake yakutsogolo, zimawonetsedwanso palemba la gawolo.
Mafuta osindikizira amatha kukhala ndi ma anthers amitundu yosiyanasiyana:
● Petal (m'mphepete mwa fumbi) mkati mwa chosindikizira mafuta (kuyang'ana ku crankshaft);
● Anther yowonjezerapo ngati mphete yolimba.
Nthawi zambiri, zisindikizo zambiri zamafuta a Daewoo crankshaft zimakhala ndi anther yooneka ngati petal, koma pali magawo pamsika okhala ndi nsapato zomverera zomwe zimapereka chitetezo chodalirika ku fumbi ndi zonyansa zina zamakina.
Malinga ndi kayendedwe ka crankshaft, zisindikizo zamafuta zimagawidwa m'mitundu iwiri:
● Kugwedezeka kudzanja lamanja (kuzungulira koloko);
● Kuzungulira kumanzere (kuzungulira koloko).
Kusiyanitsa kwakukulu pakati pa zisindikizo zamafuta izi ndikuwongolera ma notche kuchokera mkati, iwo amakhala diagonally kumanja kapena kumanzere.
Malingana ndi cholinga, pali mitundu iwiri ya zisindikizo za mafuta:
● Kutsogolo - kusindikiza chotulukira cha shaft kuchokera ku mbali ya chala;
● Kumbuyo - kuti asindikize tsinde kuchokera kumbali ya shank.
Zisindikizo zamafuta zakutsogolo ndizocheperako, chifukwa zimangosindikiza chala chokha cha shaft, pomwe zida zanthawi ndi zowongolera zamayunitsi zimayikidwa.Zisindikizo zakumbuyo zamafuta zimakhala ndi mainchesi ochulukirapo, chifukwa zimayikidwa pa flange yomwe ili pa shank ya crankshaft yomwe imagwira flywheel.Nthawi yomweyo, mapangidwe a zisindikizo zamafuta amitundu yonse ndi ofanana.
Ponena za miyeso, mitundu yambiri yamafuta osindikizira amagwiritsidwa ntchito pamagalimoto a Daewoo ndi mitundu ina yokhala ndi injini za Daewoo, koma zodziwika bwino ndi izi:
● 26x42x8 mm (kutsogolo);
● 30x42x8 mm (kutsogolo);
● 80x98x10 mm (kumbuyo);
● 98x114x8 mm (kumbuyo).
Chisindikizo cha mafuta chimadziwika ndi miyeso itatu: m'mimba mwake (m'mimba mwake wa shaft, womwe umasonyezedwa poyamba), m'mimba mwake (m'mimba mwake wa dzenje lokwera, losonyezedwa ndi lachiwiri) ndi kutalika (kusonyezedwa ndi chachitatu).
Daewoo Matiz
Kumbuyo Crankshaft Mafuta ChisindikizoKuwona kwa Front Crankshaft Oil Seal
Zisindikizo zambiri zamafuta a Daewoo ndi zapadziko lonse lapansi - zimayikidwa pamitundu ingapo ndi mizere yamagetsi, yomwe ili ndi mitundu yosiyanasiyana yamagalimoto.Chifukwa chake, pamtundu womwewo wagalimoto wokhala ndi magawo osiyanasiyana amagetsi, zisindikizo zamafuta osafanana zimagwiritsidwa ntchito.Mwachitsanzo, "Daewoo Nexia" ndi injini 1.5-lita, kutsogolo mafuta chisindikizo ndi m'mimba mwake 26 mm, ndi injini 1.6-lita ntchito chisindikizo cha mafuta ndi m'mimba mwake 30 mm.
Pomaliza, ziyenera kunenedwa za kugwiritsidwa ntchito kwa zisindikizo zamafuta a Daewoo pamagalimoto osiyanasiyana.Mpaka 2011, Daewoo Motors Corporation anatulutsa zitsanzo zingapo zamagalimoto, kuphatikizapo otchuka kwambiri m'dziko lathu Matiz ndi Nexia.Panthawi imodzimodziyo, kampaniyo inapanga zitsanzo za Chevrolet Lacetti zosachepera, ndipo injini za Daewoo (ndipo) zinayikidwa pazithunzi zina za General Motors (kampaniyi idapeza gawo la Daewoo Motors mu 2011) - Chevrolet Aveo, Captiva ndi Epica.Choncho, lero zisindikizo za mafuta a Daewoo crankshaft zamitundu yosiyanasiyana zimagwiritsidwa ntchito pazithunzi za "classic" za mtundu wa Korea, komanso pamitundu yambiri ya Chevrolet yakale komanso yamakono - zonsezi ziyenera kuganiziridwa posankha magawo atsopano a galimoto.
Radial (L-woboola pakati) PXX ili ndi mawonekedwe ofanana, koma imatha kugwira ntchito ndi injini zamphamvu kwambiri.Zimachokeranso pa injini ya stepper, koma pa olamulira a rotor (armature) pali nyongolotsi, yomwe, pamodzi ndi zida zowonetsera, imatembenuza ma torque ndi madigiri 90.Kuyendetsa tsinde kumalumikizidwa ndi zida, zomwe zimatsimikizira kufalikira kapena kubweza kwa valve.Nyumba yonseyi ili m'nyumba yooneka ngati L yokhala ndi zinthu zokwera komanso cholumikizira chamagetsi cholumikizira ku ECU.
PXX yokhala ndi valavu ya gawo (damper) imagwiritsidwa ntchito pa injini zamagalimoto ochulukirapo, ma SUV ndi magalimoto ogulitsa.Maziko a chipangizocho ndi stepper motor yokhala ndi zida zokhazikika, pomwe stator yokhala ndi maginito okhazikika imatha kuzungulira.Stator imapangidwa mu mawonekedwe a galasi, imayikidwa muzitsulo ndipo imagwirizanitsidwa mwachindunji ndi gawo lachiwombankhanga - mbale yomwe imatseka zenera pakati pa mipope yolowera ndi kutuluka.RHX ya kapangidwe kameneka imapangidwa mofanana ndi mapaipi, omwe amagwirizanitsidwa ndi msonkhano wa throttle ndi wolandila pogwiritsa ntchito hoses.Komanso pamlanduwu pali cholumikizira chamagetsi chokhazikika.
Kusankha koyenera ndikusintha kwa Daewoo crankshaft oil seal
Pakugwira ntchito kwa injini, zisindikizo zamafuta a crankshaft zimayikidwa pazambiri zamakina komanso zotentha, zomwe zimatsogolera pang'onopang'ono kuvala komanso kutaya mphamvu.Panthawi ina, gawolo limasiya kugwira ntchito zake nthawi zonse - kulimba kwa dzenje la shaft kumasweka ndipo kutulutsa kwamafuta kumawonekera, komwe kumakhudza kwambiri magwiridwe antchito a injini.Pankhaniyi, chisindikizo cha mafuta a Daewoo crankshaft chiyenera kusinthidwa.
M'malo mwake, muyenera kusankha zisindikizo zamafuta zomwe zili zoyenera kukula ndi magwiridwe antchito - apa mtundu wa injini ndi chaka chopangira galimoto zimaganiziridwa.Chisamaliro chapadera chiyenera kuperekedwa kuzinthu zopangira chisindikizo cha mafuta.Mwachitsanzo, pamagalimoto omwe akugwira ntchito m'malo otentha, zida zoyambira FKM (FPM) za fluororubber ndizoyenera - zimagwira ntchito molimba mtima mpaka -20 ° C ndi pansi, ndikusunga kulimba komanso kukana kuvala.Komabe, kumadera akumpoto ndi madera ozizira ozizira, ndi bwino kusankha MVG silikoni zisindikizo mafuta (VWQ) - iwo kusunga elasticity mpaka -40 ° C ndi pansi, zomwe zimatsimikizira chiyambi molimba mtima injini popanda zotsatira za kudalirika kwa zisindikizo za mafuta.Kwa injini zodzaza pang'ono, chisindikizo chamafuta chopangidwa ndi mphira wa nitrile butadiene (NBR) chidzakhalanso yankho labwino - amasunga kusungunuka mpaka -30 ... -40 ° C, koma sangathe kugwira ntchito pa kutentha pamwamba pa 100 ° C.
Kukana kutentha kwa zisindikizo zamafuta a crankshaft zopangidwa ndi zinthu zosiyanasiyana
Ngati galimotoyo ikugwiritsidwa ntchito mu fumbi, ndiye kuti ndizomveka kusankha zisindikizo za mafuta ndi boot yowonjezera yowonjezera.Komabe, muyenera kumvetsetsa kuti palibe omwe amapangidwa ndi Daewoo kapena OEM omwe amasindikiza zisindikizo zotere, izi ndizinthu zomwe sizinali zoyambirira zomwe zimaperekedwa ndi ena opanga mphira akunyumba ndi akunja.
M'malo chisindikizo crankshaft mafuta ikuchitika motsatira malangizo kukonza ndi ntchito lolingana injini ndi magalimoto Daewoo ndi Chevrolet.Nthawi zambiri, ntchito imeneyi sikutanthauza disassembly wa injini - ndi zokwanira dismantle galimoto ya mayunitsi ndi nthawi (ngati m'malo chisindikizo cha mafuta kutsogolo), ndi flywheel ndi zowalamulira (ngati kusintha mafuta kumbuyo). chisindikizo).Kuchotsa chisindikizo chakale chamafuta kumangochitika ndi screwdriver kapena chida china cholozera, ndipo ndi bwino kuyika chatsopano pogwiritsa ntchito chipangizo chapadera ngati mphete, yomwe chisindikizo chamafuta chimayikidwa pampando (kuyikapo). bokosi).Pamitundu ina ya injini, m'malo mwa chosindikizira chamafuta chakumbuyo kungafunike kugwetsa chivundikiro chonse (chishango), chomwe chimasungidwa pa block ndi mabawuti.Panthawi imodzimodziyo, tikulimbikitsidwa kuyeretsa kale malo oyika chisindikizo cha mafuta kuchokera ku mafuta ndi dothi, mwinamwake kutulutsa kwatsopano ndi kuwonongeka kungawoneke mwamsanga.
Ndi kusankha bwino ndi m'malo Daewoo crankshaft chisindikizo mafuta, injini ntchito modalirika popanda kutaya mafuta ndi kukhalabe makhalidwe ake mu mikhalidwe yonse.
Nthawi yotumiza: Jul-26-2023