Li-brake pad ke e 'ngoe ea likarolo tsa bohlokoa tsa polokeho ea sistimi ea mariki a koloi.Li-brake pad li phetha karolo ea bohlokoa tabeng ea ho etsa brake, kahoo ho boleloa hore li-brake pad tse ntle ke tsona tse sireletsang batho le likoloi.
Moropa oa brake o na le lieta tsa brake, empa ha batho ba bitsa li-brake pads, ba bua ka li-brake pads le lieta tsa brake ka kakaretso.
Lentsoe "disc brake pads" le bolela ka ho toba li-brake pads tse kentsoeng holim'a li-disk brakes, eseng li-brake discs.
Li-brake pads li na le likarolo tse tharo tse kholo: tšepe e tšehetsang (backing plate), sekhomaretsi, le block block.Karolo ea bohlokoa ka ho fetisisa ke "friction block", ke hore, foromo ea "friction block".
Foromo ea thepa ea likhohlano ka kakaretso e entsoe ka mefuta e 10-20 ea lisebelisoa tse tala.Foromo e fapana ho ea ho sehlahisoa ho ea ho sehlahisoa, mme nts'etsopele ea foromo e ipapisitse le litekanyo tse ikhethileng tsa mohlala.Baetsi ba thepa ea friction ba boloka liforomo tsa bona e le lekunutu ho batho.
Qalong asbestos e ile ea ipaka e le thepa e sebetsang ka ho fetisisa ea ho apara, empa ka mor'a hore ho tsejoe hore likhoele tsa asbestos li kotsi bophelong, thepa ena e ile ea nkeloa sebaka ke likhoele tse ling.Matsatsing ana, li-brake pads tsa boleng le ka mohla ha lia lokela ho ba le asbestos, 'me eseng hoo feela, li lokela ho qoba tšepe e phahameng, likhoele tse theko e boima le tse sa tsitsang tsa ts'ebetso le li-sulfide ka hohle kamoo ho ka khonehang.Likhamphani tsa thepa ea friction mosebetsi oa nako e telele ke ho tsoela pele ho nts'etsapele lisebelisoa tse ncha ho ntlafatsa ts'ebetso ea lisebelisoa tsa likhohlano, ts'ireletso ea tikoloho le moruo.
Lisebelisoa tsa friction ke lisebelisoa tse kopantsoeng tseo tlhahiso ea eona ea motheo ea motheo e leng: sekhomaretsi: 5-25%;filler: 20-80% (ho kenyeletsoa mofetoleli oa likhohlano);fiber e matlafatsang: 5-60%
Mosebetsi oa binder ke ho kopanya likarolo tsa thepa hammoho.E na le ho hanyetsa mocheso o motle le matla.Boleng ba binder bo na le tšusumetso e kholo ts'ebetsong ea sehlahisoa.Li-binders haholo-holo li kenyelletsa
thermosetting resins: phenolic resin, phenolic resin e fetotsoeng, li-resin tse khethehileng tse thibelang mocheso.
Rubber: rabara ea tlhaho ea rabara ea maiketsetso
Li-resin le li-rubber li sebelisoa hammoho.
Li-filler tsa friction li fana ka le ho tsitsisa thepa ea likhohlano le ho fokotsa ho khathala.
Friction filler: barium sulfate, alumina, kaolin, iron oxide, feldspar, wollastonite, phofo ea tšepe, koporo (phofo), phofo ea aluminium…
Mofetoleli oa ts'ebetso ea friction: graphite, phofo ea khohlano, phofo ea rabara, phofo ea coke
Ho matlafatsa likhoele ho fana ka matla a lintho tse bonahalang, haholo-holo maemong a phahameng a mocheso.
Likhoele tsa asbestos
Likhoele tse seng tsa asbestos: likhoele tsa maiketsetso, likhoele tsa tlhaho, likhoele tse seng tsa diminerale, likhoele tsa tšepe, likhoele tsa khalase, likhoele tsa khabone.
Khohlano ke ho hanana le ho sisinyeha lipakeng tsa lintho tse peli tse batlang li tsamaea.
Matla a khohlano (F) a lekana le sehlahisoa sa coefficient ea khohlano (μ) le khatello e ntle (N) ka lehlakoreng le otlolohileng sebakeng sa khohlano, e hlahisoang ke foromo ea fisiks: F=μN.Bakeng sa tsamaiso ea mariki, ke coefficient ea khohlano pakeng tsa brake pad le brake disc, 'me N ke matla a sebelisoang ke caliper piston ho pad.
Ha khohlano e kholoanyane, ho na le matla a maholohali a khohlano.Leha ho le joalo, coefficient ea khohlano pakeng tsa brake pad le disc e tla fetoha ka lebaka la mocheso o phahameng o hlahisoang ka mor'a khohlano, ho bolelang hore coefficient of friction e fetoha ha mocheso o fetoha, 'me pad ka 'ngoe ea brake e na le coefficient e fapaneng ea friction change curve. ka lebaka la lisebelisoa tse fapaneng, li-brake pads li na le mocheso o fapaneng o fapaneng oa ho sebetsa le mefuta e sebetsang ea mocheso oa ho sebetsa.
Pontšo ea bohlokoa ka ho fetisisa ea ts'ebetso ea li-brake pads ke coefficient of friction.Coefficient ea naha e tloaelehileng ea brake e pakeng tsa 0.35 le 0.40.Haeba friction coefficient e le ka tlase ho 0.35, mariki a tla feta sebaka se sireletsehileng sa braking kapa esita le ho hlōleha, haeba friction coefficient e phahametse 0.40, mariki a tla ba le likotsi tsa tšohanyetso tsa ho koala le ho rollover.
Mokhoa oa ho lekanya molemo oa li-brake pads
Polokeho
- Coefficient e tsitsitseng ea Friction
(Matla a tloaelehileng a mocheso oa mocheso, katleho ea mocheso
Ts'ebetso ea Wading, ts'ebetso ea lebelo le holimo)
- Ts'ebetso ea ho hlaphoheloa
Ho hana ho senya le ho senya
Matšeliso
- Boikutlo ba pedal
- Lerata le tlase / tsitsinyeho e tlase
- Bohloeki
Bophelo bo bolelele
- Sekhahla se tlase sa ho apara
- Sekhahla sa moaparo ka mocheso o phahameng oa tikoloho
Fit
- Ho hlongoa boholo
- Sefate sa bokaholimo ba likhohlano le boemo
Lisebelisoa le Ponahalo
- Ho phatloha, ho phatloha, ho phatloha
- Mehala ea alamo le lipampiri tsa ts'okelo
- Ho paka
- Li-brake pads tsa boleng bo holimo: coefficient e lekaneng ea likhohlano, ts'ebetso e ntle ea boiketlo, 'me e tsitsitse matšoao ohle a mocheso, lebelo le khatello.
Mabapi le lerata la mariki
Lerata la Brake ke bothata ba tsamaiso ea braking 'me e ka' na ea amana le likarolo tsohle tsa tsamaiso ea braking;ha ho motho ea e-s'o fumane hore na ke karolo efe ea ts'ebetso ea braking e sutumelletsang moea ho etsa lerata la brake.
- Lerata le ka 'na la tsoa ho khohlano e sa leka-lekaneng pakeng tsa li-brake pads le brake discs le ho hlahisa ho sisinyeha, maqhubu a molumo oa ho sisinyeha hona a ka tsejoa ke mokhanni oa koloi.0-50Hz lerata la maqhubu a tlase ha le lemohuoe ka koloing, bakhanni ba lerata ba 500-1500Hz ba ke ke ba e nka e le lerata la brake, empa bakhanni ba lerata la 1500-15000Hz ba tla e nka e le lerata la brake.Lintho tse ka sehloohong tse khethollang lerata la mariki li kenyelletsa khatello ea mariki, mocheso oa friction pad, lebelo la koloi le maemo a leholimo.
- Khokahano ea likhohlano lipakeng tsa li-brake pads le brake discs ke ho kopana le ntlha, ts'ebetsong ea likhohlano, ntlha e 'ngoe le e' ngoe ea likhohlano ha e tsoelepele, empa e fapanyetsana lipakeng tsa lintlha, phetoho ena e etsa hore ts'ebetso ea likhohlano e tsamaisane le thothomelo e nyane, haeba sistimi ea braking e ka khona. ka katleho monya thothomelo, e ke ke ea baka lerata la brake;ho fapana le hoo, haeba tsamaiso ea braking e tla matlafatsa ho thothomela, kapa esita le resonance, e ka 'na Ho fapana le hoo, haeba tsamaiso ea brake e matlafatsa ho sisinyeha ka katleho, kapa e hlahisa resonance, e ka hlahisa lerata la brake.
- Ho ba teng ha lerata la brake ke ntho e sa reroang, 'me tharollo ea hajoale ke ho fetola sistimi ea brake kapa ho fetola ka mokhoa o hlophisehileng sebopeho sa likarolo tse amehang, ho kenyeletsoa, ehlile, sebopeho sa li-brake pads.
- Ho na le mefuta e mengata ea lerata nakong ea braking, e ka khetholloang ka: lerata le hlahisoa nakong ea braking;lerata le tsamaisana le ts'ebetso eohle ea braking;lerata le hlahisoa ha mariki a lokolloa.
Santa Brake, joalo ka feme ea profeshenale ea ho etsa li-brake pad naheng ea China, e ka fa bareki lihlahisoa tsa boleng bo holimo tsa ho etsa li-brake pad tse kang semi-metallic, ceramic le low metal.
Likarolo tsa sehlahisoa sa semi-metallic brake pads.
Tshebetso e phahameng
Sebopeho se tsoetseng pele se seholo sa likaroloana
Coefficient e phahameng ea likhohlano ebile e tsitsitse, e netefatsa polokeho ea mariki a hau esita le ka lebelo le phahameng kapa braking ea tšohanyetso
Lerata le tlase
Ho tsamaea ka boiketlo le ho arabela
Abrasion e tlase, e hloekile ebile e nepahetse
Foromo e se nang asbestos ea semi-metallic, e phetseng hantle le ts'ireletso ea tikoloho
Latela maemo a TS16949
Likarolo tsa sehlahisoa sa brake pad ea ceramic formula.
Boleng ba pele ba feme.Amohela foromo ea machaba e tsoetseng pele e se nang tšepe le tšepe e tlase ho fihlela litlhoko tsa mantlha tsa feme ea sebaka sa ho becha
Anti-vibration le anti-stirring attachments ho thibela lerata le jitter ho isa tekanyong e kholo
Kopana le maemo a European ECE R90
Boikutlo bo botle ba braking, bo arabelang, bo khotsofatsa ka botlalo litlhoko tsa boiketlo ba braking ea likoloi tse mahareng le tse phahameng
Ho tsamaea ka mokhoa o bonolo le o sireletsehileng esita le metseng e phetheselang le libakeng tse matsaranka tse lithaba
Ho fokotsa ho sila le ho hloeka
Bophelo bo bolelele
Latela maemo a TS16949
Mefuta e tloaelehileng ea brake pad 'marakeng
Hona joale FERODO ke letšoao la FEDERAL-MOGUL (USA).
TRW Automotive (Trinity Automotive Group)
TEXTAR (TEXTAR) ke e 'ngoe ea lihlahisoa tsa Tymington
JURID le Bendix ka bobeli ke karolo ea Honeywell
DELF (DELPHI)
AC Delco (ACdelco)
British Mintex (Mintex)
Korea Believe Brake (SB)
Valeo (Valeo)
Golden Kirin ea lapeng
Xinyi
Nako ea poso: Feb-14-2022