DOT 4 Brake Fluid. Brake uketshezi "Castrol" DOT-4: libuyekeza abashayeli

I ukubopha uhlelo disc uhlobo izimoto kakhulu egcwele ukubopha uketshezi DOT 4 - omunye ethandwa kakhulu futhi evamile phakathi ontanga. Umahluko omkhulu phakathi kwala magciwane kucatshangwa abilayo lokushisa, ukwakheka kanye impahla iyavuleka umswakama umusi. Isigaba DOT 4 kubhekwa kakhulu eliphezulu futhi uyisithelo esiyisimanga. Uma iqhathaniswa nezinhloko-DOT 3 bumunca ingxenyana amanzi, aqhubeke abilayo ingashintshiwe isikhathi eside. izici ezinjalo zenza abasebenzi ukunweba isikhathi sakho ukusetshenziswa.

Izinhlobo ukubopha uketshezi

Systematization Brake DOT compounds kwaba sformirulirovana uMnyango wezokuThutha ameriskanskim. izindinganiso zokuphepha FMVSS yasetshenziswa njengesisekelo ukudalwa lezi zilinganiso. ukunciphisa ehunyushiwe DOT imele "Umnyango wezokuthutha zokuphepha." Afakwe binders umswakama, okhethwe inani 4. Certification GOST ejenti enjalo bayahlolwa.

Njengoba DOT 4 akubhekwa umkhiqizo uwoyela, kanye ne-wokugubha wakhe - i ijamo octagonal yellow, izungezwe umugqa omnyama. Maphakathi bangamaphesenti circuit ukubopha. uphawu okunjalo ngokuphambeneyo ewela phandle, ubonisa ukuthi laqanjwa enjalo asikwazi batheleka ohlelweni.

I ukuvala abacaphuni futhi viscosity Okomileyo ayigcwalisa umswakama uketshezi - ezibhekwayo zihlukaniswe izinhlobo ukubopha ukwakhiwa. isisekelo Basic DOT 3 futhi DOT 4 abhekwa polyglycols, kodwa DOT 5 kudalwa ngesisekelo abicah, yingakho lezi zigaba akuhlangani nomunye. Ukwakha izigaba eziwuketshezi Dot 3 futhi DOT 4 wasebenzisa izinto ezifanayo, ngakho zingase zixutshwe bese ezazijikeleziswa.

Labelling kanye nokusungulwa ukubopha uketshezi Dot 4

DOT 4 ukubopha uketshezi database yayo iqukethe polyethers komugqa futhi polyalkylene. Ezimweni eziningi ukukhiqizwa ezifana polyethylene izingoma esetshenziswa, kodwa ngokuvamile iphakethe kuboniswa ngaphansi kwamagama ehlukene njengoba kulotshwe izithasiselo ehlukahlukene kanye polymers ketshezi.

Ngokungafani DOT eyandulela 3, DOT 4 uketshezi oyiyo iqukethe izithasiselo ekhethekile - ngokwesibonelo, borates. Babopha ezingena ngaphansi impahla kusukela emoyeni ngesikhathi ukusebenza amanzi.

Ngo izimoto Dot 5.1 ukubopha uketshezi nezemidlalo ekilasini esetshenziswa, etholwe ngokungeza izithasiselo akhethekile izithasiselo in DOT ketshezi 4 ejwayelekile.

Brake uketshezi DOT 4 ehambisanayo

Ukuze abashayeli abaningi omunye nezindaba eziphuthuma kakhulu futhi ukuphokophela yilona ukuhambisana ukubopha uketshezi amakilasi ezahlukene nezigaba. Ochwepheshe kuvame belulekwa ukusebenzisa eyaziwa brand izingoma - ezifana ukubopha uketshezi "Castrol" noma ukubopha uketshezi "Bosch" DOT 4 kumelwe ilandelwe wokugubha kwengoma.

Ezimakethe Russian imikhiqizo yezimoto eziningi ebanzi ezahlukene ukubopha uketshezi. Hlanganisa ndawonye akukhuthazwa, kodwa ezimweni ezibucayi ke kungenziwa, kodwa kuyatuseka ukuba alandele imithetho ethile.

DOT 4 ukubopha uketshezi kungenzeka exutshwe analogs ezifana DOT 3, DOT 4.5, DOT 5.1. Diluting abasebenzeli bayo esekelwe abicah, ezifana DOT 5 futhi DOT 5.1 (ABS), akuvunyelwe.

Brake Fluid DOT 4 - Izici

The main physico-chemical kwemigomo compounds ezithinta izinga yabo, yilezi:

• viscosity;
• abilayo iphuzu;
• ikhono lokwamukela umswakama umusi;
• Ukumelana ukugqwala.

Ngokusho nezidingo standard DOT 4 uketshezi, izinga lokushisa yabo ukubila akumele ibe ngaphansana 250 ° ^C. Le ngxenye kungenziwa sehliselwe 165 ^{° C} kulabo uketshezi lapho ungamunca umswakama kusukela imvelo ngendlela isamba kuze kufinyelele 3.5%.

Viscosity uketshezi kukalwa a viscometer. Lokhu ipharamitha kumele singeqi 750 mm ² / s. Ekusebenteni, esinye sezici eziyinhloko kuyinto viscosity kuphela, kuyilapho ukubopha uketshezi kwabantu cishe ndawo kubhekwe.

Ukuzinza DOT 4 uketshezi ukugqwala incike asidi yayo. Uphiko evamile uku-pH amayunithi 7,0-11,5.

Igama elithi wokusebenza uketshezi ukubopha

Kuye izithasiselo kanye izithasiselo, hygroscopicity nemibandela ingahluka esaphila ejenti. Ngokwesibonelo, yekhwalithi ephansi ukubopha izingxenye zingashintsha izimfanelo uketshezi ukubopha, esithinta umsebenzi walo nezisetshenziswa ukusebenza. Ngenxa yalesi sizathu, uketshezi ukubopha washintsha njalo eminyakeni 2-2.5.

Kungani DOT 4?

Brake uketshezi DOT 4 has okulandelayo izinzuzo sibonga ngalo ingenye ethandwa kakhulu emhlabeni wonke:

• ukuthembeka;
• amanani ezifanele;
• anhlobonhlobo okushisa lapho ingasetshenziswa.

Ebizayo DOT 5.1 cishe ungalokothi esetshenziswa abashayeli, ngoba kuyabiza, kodwa ukusebenza yayo akuhlukile umnyango wezokuthutha 4. Ukuhlola kwenziwe ochwepheshe kanye nayizimfundamakhwela, bonisa ukuthi indinganiso igolide kuyinto ukubopha uketshezi DOT 4 Izibuyekezo kwesokunxele ukubunjwa, uqinisekise linokwethenjelwa high, kanye uhlelo izindleko eyamukelekayo.

abilayo

I energy kinetic wemoto ngesikhathi unyathela amabhuleki uguqulwe ukushisa. Pads, Ukushisa, ayidlulisele le pistons futhi umzimba caliper, okuyinto heats babe uketshezi ukubopha. Kubhekwe le, yokuqala efunekayo lufakwa phambili ukubila eliphezulu wakhe iphuzu, okuyokwenza ukuba bagweme "ukwehluleka" we isinyathelo ukubopha. Imodi ephezulu ijubane izimoto zanamuhla kuye kwasho ukuthi amafomu endala ukwakhiwa okunjalo, asisakwazi ukumelana nalomsebenzi nge imisebenzi yawo, futhi esikhundleni ukubopha uketshezi DOT 4 "Toyota", omunye izinkampani abahlonishwa kakhulu yezimoto emhlabeni, ke elikuyalayo usebenzisa izingoma ezinjalo.

corrosion ukumelana

Eyesibili imfuneko iyona corrosivity ubuncane. pistons namachibi we metal akuyona into embi kakhulu engehlela kuyinto ukugqwala of ukubopha imigqa eziyingozi kakhulu. Nikeza lokushisa eliphezulu ukubopha uketshezi ukubila kwenzeka ngokusebenzisa i-polyethylene glycol base has ezingeni lelisetulu hygroscopicity. Ngenxa yalokhu, DOT 4 izingoma zigcinwa kuphela iziqukathi uvalwe waqiniswa. Liquid, zanqwabelana semali amanzi hhayi kuphela ngesivinini ukugqwala izinqubo ohlelweni unyathela amabhuleki, kodwa futhi amathumba ezingeni lokushisa ephansi kakhulu. Kuvamile isithuthuthu kanye nezemidlalo ekilasini imoto, "ukwehluleka" ngesikhathi unyathela amabhuleki nolaka futhi ushayela imoto ngesivinini esikhulu kungadala ingozi embi.

unctuousness

Okuhle yezihlanganisi izakhiwo - lena Imfuneko yesithathu ngenxa ukubopha uketshezi. Lezi zimo zokuma kusize ekunciphiseni bafake ku kokubili ABS kanye cuffs isilinda ukubopha uhlelo. DOT okujwayelekile 4 yilezi imingcele Kuthi kunabayeni PVT 5 entsha, leli temu eliphakeme ukuvala abacaphuni futhi ezisezingeni eliphansi hygroscopicity, ingasetshenziswa i-ukushayela okusheshayo. DOT 5.1 uketshezi eyenzelwe izimoto eline anti-lock uhlelo. Kwakusho ukwethulwa esincane glycolic isisekelo antifriction izithasiselo. Mayelana nezimoto eziningi, kuba efiselekayo ukusebenzisa uketshezi alesi sigaba esithile, njengoba kukhona iyahambisana zamanzi, okuyinto zibalwa owedlule amazinga uketshezi.

viscosity okusezingeni eliphezulu

High viscosity ezingeni - imfuneko wesine ukuthi uketshezi ukubopha. Igcina viscosity uketshezi ivumela uhlelo ukubopha ukusebenza ngokujwayelekile ngasiphi ezingeni lokushisa elifanele. Lokhu kukhetha kubaluleke kakhulu izimoto ne -ABS uhlelo. Ngemva solidification ketshezi kungadala ukwehluleka iyunithi wokubacindezela emotweni lapho ESP kuboshelwe uhlelo anti-lock. Lokhu kungenzeka futhi ihlanganisa crossovers yesimanje futhi: ukwehluleka traction uhlelo ukusatshalaliswa kuzokwenza drivability abampofu.

Brake Fluid Hambayo

Izithako Kunconywa ngumkhiqizi ukuze isetshenziswe isigubhu, disk kanye ASR ukubopha izinhlelo efakwe medium ngamandla izimoto.

Brake uketshezi "Hambayo" DOT 4 sisetshenziswa ngokuhambisana iziqondiso ezilandelayo:

• Yavala kuphela ifomu kanzulu kusuka iphakheji elisha noma uphawu.
• Ngokushesha ngemva ukusetshenziswa, ibhodlela kufanele kube uvalwe waqiniswa, kusukela Ukwakheka ubamba ngokushesha umswakama imvelo, okuyinto Uphatha kabi ukuphila zenkonzo yalo.
• Fusion ukubopha uketshezi akakwazi ukusetshenziswa.
• Ukwakheka ezichithekile ngokushesha asuswe, njengoba angase adle upende zomzimba.
• Isikhathi esikhundleni uketshezi ukubopha - njalo eminyakeni emibili noma zonke amakhilomitha ayinkulungwane 40.
• Ngokugcwele DOT zomkhalazi 4 futhi ingasetshenziswa ABS izinhlelo.
• Kwangathi exutshwa ukubopha uketshezi of DOT 4 izigaba 3 futhi DOT.

Brake uketshezi "Castrol"

Naphezu kweqiniso lokuthi uketshezi ukubopha kuyinto "Castrol" DOT 4 certified ngokusho DOT 4 ejwayelekile, izinga lokushisa yayo ukubila idlula nezidingo futhi 265 ^{° C,} nabo amanzi - 175 ° ^C. Ngokusho izincomo yomenzi, kufanele ushintshe njalo eminyakeni emibili, ngokulandelana yayo kungenziwa wathela nezimoto ezemidlalo.

"Castrol" Brake Fluid DOT 4 luyasetshenziswa ngendlela emaphaketheni esingesihle kakhulu: ibhodlela 1 ilitha ezitholakala ezitolo yezimoto akunakwenzeka. Ngenxa yalesi sizathu, uketshezi esikhundleni kuyodingeka ukuthenga ambalwa isigamu-litre iziqukathi, overpaying upakisha. Kuyaqapheleka kubanikazi abaningi imoto.

Izinzuzo lolu ketshezi ukubopha:

• ukuzinza abilayo ngisho nalapho umswakamo kwengoma.
• Ukuhambisana nezindinganiso ezibophayo kakhulu.
• Ideal for izimoto ne-ABS - has ezinye izakhiwo ezinhle viscosity.

Brake uketshezi "URosa"

Brake uketshezi "URosa" DOT 4 - ingxube sakhiwa izithasiselo anticorrosive kanye antioxidant kanye polyester boron-aqukethe. It ahluke ngempela okuhle abilayo ifomu eyomile noma ezimanzi - 260 ^C no 165 ^C, ngokulandelana. It kungenziwa eziqhutshwa at okushisa ambient esukela -40 ^o C +45 ^o C.

Brake uketshezi "URosa" DOT 4 ukubopha izinhlelo esetshenziswa izimoto ezithwala kanye nezimoto bezentengiselwano, kuhlanganise imishini phambili isondo production ezifuywayo.

Operating ketshezi sekuyiminyaka emithathu. Kungaba exutshwa izingoma ezifana "iNeva" futhi "Tom", ngaphandle ukusebenza ukulahlekelwa.

Brake uketshezi Sintec

Mhlawumbe omunye ezingabizi kakhulu uhlelo intengo (Imininingwane 100 p), ukubopha uketshezi ekhiqizwa kumazwe. Manufactured ukubopha uketshezi "Super" DOT 4 at "Obninskorgsintez". Naphezu production ezifuywayo, ngokuvumelana izici zayo, kungaba zikufice analogue abaningi bezinye izizwe: abilayo iphuzu 240 ^{° C} ifomu eyomile, futhi 155 ^{° C} - yemvula. Ideal for travel kulinganiswa, umehluko omncane viscosity lapho umuntfu ashayela akuyona wazizwa.

I ethile kuphela izici ukuntengantenga: lonke uvivinyo, eyaqala ukubopha uketshezi Obninsk, wabonisa imiphumela ehlukile. Yiqiniso, lokhu akuphazamisi nezidingo standard Nokho, alisho lutho okuhle mayelana nomkhiqizi.

Brake uketshezi Liqui Moly

Brake uketshezi Liqui Moly izici zayo ilahlekelwa analogs yayo: lokushisa for the nesasehlobo inguqulo yakhe ka 230 ^C no 155 ^C, ngokulandelana abilayo, ngezindleko eziphansi lokushisa viscosity 1800 mm ² / s. Ukwakheka izici Lifanele DOT amazinga 4, kodwa musa uyeqe. intengo ezingabizi 300 k. ngokwezinga elithile ivala isikhala lesi, kodwa ukusebenzisa uketshezi sezulu lwethu izimoto ne-ABS akuyona neze zinkulu.

Kufanele futhi usho kakhulu indawo yezihlanganisi anti-ukugqwala izakhiwo Liqui Moly, eye kugcizelelwe umenzi. Ngokwemvelo yayo, lolu ketshezi ukubopha ilungele abashayeli abakhetha isigqi nokuzola ukushayela futhi abahlala zone phakathi ezweni lethu.

Izinzuzo kwabhoboka uketshezi Liqui Moly:

1. Excellent anti-ukugqwala izakhiwo.
2. Ukuvikela ukubopha hoses nezimpawu zenjoloba.

Kukhethwa ukubopha uketshezi

A ukubopha uketshezi efanelekayo kuyakhethwa ngokuvumelana nemingcele imoto. Thola ukuthi hlobo luni isakhiwo sesivalekile efektri, futhi yini ungasebenzisa esikhathini esizayo, kungase kube kuleli bhukwana ukulungisa kanye nokusebenza emotweni. Ungaphinde ucele nomthengisi wakho ogunyaziwe.

Kuyadingeka ukuba banake ukubopha uketshezi nemingcele ezifana izinga lokushisa ukubila we nesasehlobo isimo, viscosity futhi ejwayelekile. DOT 4 izigaba ngezansi akufanele asetshenziselwe nezimoto ezifakelwe anti-lock braking system, njengoba lokhu kungadala umonakalo kokubili ABS wazihlephula uhlelo.

Ungakwazi ubheke esiteshini e- umthengisi olusemthethweni for uhlelo ukuhlola futhi sigcwale entsha ukubopha uketshezi.