Tlhaloso le mefuta ea brake fluid

Tse ka hare

Sepheo sa brake fluid le litlhoko tsa eona
Brake mokelikeli
Kemiso
Tlhokomelo le phetoho ea brake fluid
fihlela qeto e

Motheo oa "brake system" ea koloi ke "volumetric hydraulic drive" e fetisang khatello ka har'a silindara e kholo ho li-cylinders tse sebetsang tsa mekhoa ea brake ea mabili.

Lisebelisoa tse ling, li-vacuum boosters kapa li-accumulators tsa hydraulic, tse eketsang haholo boiteko ba mokhanni ea hatellang brake pedal, ba laolang khatello le lisebelisoa tse ling ha baa ka ba fetola molao-motheo oa li-hydraulics.

Piston ea master cylinder e ntša mokelikeli, o qobellang li-piston tsa actuator hore li tsamaee le ho hatella li-pads khahlano le bokaholimo ba li-brake disc kapa meropa.

Sistimi ea brake ke sesebelisoa sa hydraulic drive e le 'ngoe, likarolo tsa eona li isoa sebakeng sa pele tlasa ts'ebetso ea liliba tse khutlang.

Sepheo sa brake fluid le litlhoko tsa eona

Sepheo se hlakile ho tsoa ho lebitso - ho sebetsa e le mokelikeli o sebetsang bakeng sa koloi ea hydraulic ea mariki le ho netefatsa ts'ebetso ea bona e ka tšeptjoang ka mefuta e mengata ea mocheso le maemo leha e le afe a sebetsang.

Ho ea ka melao ea fisiks, khohlano efe kapa efe qetellong e fetoha mocheso.

Li-brake pads, tse futhumetseng ka ho ferekana ka holim'a disk (moropa), li futhumatsa likarolo tse li potolohileng, ho kenyelletsa le li-cylinders tse sebetsang le likahare tsa tsona. Haeba mokelikeli oa brake o pheha, mouoane oa oona o tla pepeta li-cuffs le mehele, 'me mokelikeli o tla ntšoa tsamaisong ka khatello e matla haholo. The pedal tlas'a leoto le letona e tla oela fatše, 'me ho ka' na ha se ke ha e-ba le nako e lekaneng bakeng sa "pumping" ea bobeli.

Khetho e 'ngoe - ka serame se matla, viscosity e ka eketseha hoo esita le vacuum booster e ke keng ea thusa pedal ho sutumetsa "brake" e teteaneng.

Ho phaella moo, TJ e tlameha ho finyella maemo a latelang:

E-ba le ntlha e phahameng ea ho bela.
Boloka bokhoni ba ho pompa ka mocheso o tlase.
Ho ba le hygroscopicity e tlase, i.e. bokgoni ba ho monya mongobo moyeng.
E-ba le thepa ea ho tlotsa ho thibela ho roala ha mochini oa bokaholimo ba li-piston le li-cylinders tsa sistimi.

Moralo oa liphaephe tsa brake system ea sejoale-joale o felisa tšebeliso ea li-gaskets le litiiso. Li-brake, li-cuffs le mehele li entsoe ka thepa e khethehileng ea maiketsetso e hanyetsanang le litekanyetso tsa TJ tse fanoeng ke moetsi.

Ela hloko! Lisebelisoa tsa tiiso ha li hanyetsane le oli le peterole, ka hona ho thibetsoe ho sebelisa peterole le li-solvents leha e le life bakeng sa li-brake system kapa likarolo tsa tsona. Sebelisa feela brake fluid e hloekileng bakeng sa sena.

Brake mokelikeli

Likoloi tsa lekholong la ho qetela la lilemo ho ne ho sebelisoa diminerale TJ (motsoako oa oli ea castor le joala ka karolelano ea 1: 1).

Tšebeliso ea metsoako e joalo likoloing tsa morao-rao ha e amohelehe ka lebaka la viscosity ea bona e phahameng ea kinetic (e teteaneng ho -20 °) le ntlha e tlaase e belang (ka tlase ho 100 °).

Motheo oa TF ea sejoale-joale ke polyglycol (ho fihla ho 98%), hangata silicone (ho fihla ho 93%) ka kenyelletso ea li-additives tse ntlafatsang litšobotsi tsa boleng ba motheo, ho sireletsa bokaholimo ba mekhoa ea ho sebetsa ho tsoa ho kutu le ho thibela oxidation ea oxidation. TF ka boeona.

Hoa khoneha ho kopanya li-TJ tse fapaneng hafeela li entsoe ka mokhoa o le mong. Ho seng joalo, ho ka khoneha ho theha li-emulsions tse senyang ts'ebetso.

Kemiso

Sehlopha se ipapisitse le litekanyetso tsa machaba tsa DOT tse ipapisitseng le maemo a mocheso a FMVSS le sehlopha sa viscosity sa SAEJ.

Tumellanong le bona, maro a brake a tšoauoa ka mekhahlelo e 'meli e meholo: viscosity ea kinematic le ntlha e belang.

Ea pele e ikarabella bakeng sa bokhoni ba mokelikeli ho potoloha meleng ka mocheso o sebetsang ho tloha ho -40 ° ho ea ho +100 degrees.

Ea bobeli - bakeng sa thibelo ea liloko tsa mouoane tse etsahalang nakong ea ho belisoa ha TJ le ho lebisa ho hlōleha ha brake.

Ho ipapisitsoe le sena, viscosity ea TF efe kapa efe ho 100°C e lokela ho ba bonyane 1,5 mm²/s le ho -40°C - e se fete 1800 mm²/s.

Lihlahisoa tsohle tse thehiloeng ho glycol le polyglycol li na le hygroscopic haholo, ke. tšekamelo ya ho monya mongobo tikolohong.

Esita le haeba koloi ea hau e sa tlohe sebakeng sa ho paka, mongobo o ntse o kena tsamaisong. Hopola lesoba la "phefumoloho" sekoahelong sa tanka.

Mefuta eohle ea TJ e chefo !!!

Ho latela maemo a FMVSS, ho latela maemo a mongobo, li-TJ li arotsoe ka:

"Omella", ka boemo ba fektheri mme e se na mongobo.
"E kolobisitsoeng", kaha e noetse ho fihlela ho 3,5% ea metsi nakong ea ts'ebeletso.

Ho ea ka litekanyetso tsa DOT, mefuta ea mantlha ea TA e khetholloa:

DOT 3. Mekelikeli ea Brake e thehiloeng ho metsoako e bonolo ea glycol.

Mocheso o belang,^оHO TSOHA:

"omileng" - eseng ka tlase ho 205;
"e kolobisitsoeng" - eseng ka tlase ho 140.

E tiileng e qamathelang, limilimithara²/Ka:

"e kolobisitsoeng" ho +100⁰C - eseng ka tlase ho 1,5;
"e kolobisitsoeng" ka -40⁰C - eseng ho feta 1800.

Ka potlako ba monya mongobo 'me ka lebaka la sena, ntlha e belang e tlaase ka mor'a nako e khutšoanyane.

Mekelikeli ea DOT 3 e sebelisoa likoloing tse nang le mariki a meropa kapa li-disk brake mabiling a ka pele.

Ka karolelano bophelo ba tšebeletso bo ka tlase ho lilemo tse 2. Mekelikeli ea sehlopha sena ha e theko e tlaase mme ka hona e tumme.

DOT 4. E thehiloe holim'a polyglycol e phahameng. Li-additives li kenyelletsa boric acid, e fokotsang metsi a feteletseng.

Mocheso o belang,^оHO TSOHA:

"omileng" - eseng ka tlase ho 230;
"e kolobisitsoeng" - eseng ka tlase ho 150.

E tiileng e qamathelang, limilimithara²/Ka:

"e kolobisitsoeng" ho +100⁰C - eseng ka tlase ho 1,5;
"e kolobisitsoeng" ka -40⁰C - eseng ho feta 1500.

Mofuta o tloaelehileng oa TJ likoloing tsa morao-rao tse nang le li-disk brakes "ka selikalikoe."

Tlhokomediso. Li-TJ tsohle tse thehiloeng ho glycol le tse nang le polyglycol li mabifi ho ea ho pente.

DOT 5. E hlahisitsoe motheong oa silicone. Ha e lumellane le mefuta e meng. E pheha ka likhato tse 260^оC. E ke ke ea senya pente kapa ho monya metsi.

Ka likoloi tsa serial, e le molao, ha e sebelisoe. TJ DOT 5 e sebelisoa mefuteng e khethehileng ea likoloi tse sebetsang ka mocheso o feteletseng.

DOT 5.1. E thehiloe ho li-glycols le polyester. Ntho e belang ea mokelikeli o "omileng" 260^оC, "e kolobisitsoeng" ka likhato tse 180. Kinematic viscosity ke e tlaase ka ho fetisisa, 900 mm2 / s ho -40^оC.

E sebelisoa likoloing tsa lipapali, likoloi tsa maemo a holimo le lithuthuthu.

DOT 5.1/ABS. E etselitsoe likoloi tse nang le anti-lock braking system. E entsoe ka motsoako o motsoako o nang le li-glycols le silicone tse nang le sephutheloana sa li-anti-corrosion additives. E na le lintho tse ntle tsa ho tlotsa, sebaka se belang se phahameng. Glycol setsing se etsa sehlopha sena sa TJ hygroscopic, kahoo bophelo ba bona ba tšebeletso bo lekanyelitsoe ho lilemo tse peli ho isa ho tse tharo.

Ka linako tse ling u ka fumana marotholi a malapeng a nang le mabitso a DOT 4.5 le DOT 4+. Litšobotsi tsa maro ana a teng litaelong, empa letšoao le joalo ha le fanoe ke tsamaiso ea machaba.

Ha u khetha brake fluid, u tlameha ho latela litaelo tsa moetsi oa koloi.

Ka mohlala, lihlahisoa tsa sejoale-joale tsa "AvtoVAZ" bakeng sa "tlatsa pele", lihlahisoa tsa TJ DOT4, SAEJ 1703, FMSS 116 tsa mofuta oa ROSDOT ("Tosol-Sintez", Dzerzhinsk) li sebelisoa.

Tlhokomelo le phetoho ea brake fluid

Boemo ba mokelikeli oa brake bo bonolo ho bo laola ka matšoao a max le min ho mabota a polokelo a fumanehang holim'a moqomo o moholo oa brake.

Ha boemo ba TJ bo fokotseha, bo tlameha ho phahamisoa.

Ba bangata ba pheha khang ea hore mokelikeli leha e le ofe o ka tsoakoa. Sena ha se nnete. DOT 3 class TF e tlameha ho tlatswa ka e tshwanang, kapa DOT 4. Metswako efe kapa efe e meng ha e kgothaletswe, mme e thibetswe ka maro a DOT 5.

Lipehelo tsa ho nkela TJ sebaka li khethoa ke moetsi 'me li bontšitsoe litaelong tsa ts'ebetso ea koloi.

"Ho phela" ha lino tse thehiloeng ho glycol le polyglycol ho fihla lilemo tse peli ho isa ho tse tharo, ha e le hantle li-silicone li tšoarella ho isa ho tse leshome le metso e mehlano.

Qalong, li-TJ leha e le life li na le pepenene ebile ha li na 'mala. Ho fifala ha mokelikeli, tahlehelo ea pepenene, ponahalo ea sediment ka letamong ke sesupo se tiileng sa hore brake fluid e hloka ho nkeloa sebaka.

Tšebeletsong ea koloi e nang le thepa e ntle, tekanyo ea hydration ea brake fluid e tla khethoa ke sesebelisoa se khethehileng.