Lirapa tsa brake ke likarolo tse thata ka ho fetisisa tsa polokeho ho sistimi ea brake, e fanang ka karolo ea bohlokoa boleng ba batho le likoloi (sefofane).
Pele, tšimoloho ea lipampiri tsa brake
Ka 1897, HerbertFrood o ile a qapa Pads ea pele ea Brake (a sebelisa khoele ea k'hothone ea k'hothone) 'me a li sebelisa ka har'a khampani ea pele, eo lefatšeng ka bophara e ileng ea thehoa ho eona. Ebe ka 1909, k'hamphani e ile ea qalisa sehlopha sa pele sa linaleli se thehiloeng brebesto se thehiloeng brake e thehiloeng brake e thehiloeng brake e thehiloeng ho bloke Ka 1968, lipampiri tsa pele tsa tšepe tse tsoang ka tšepe li ile tsa qaptjoa, 'me ho tloha ka nako eo, lisebelisoa tsa likhohlano li qalile ho hola ho tloha hosbestos-MAHALA. Lapeng le kantle ho naha e ile ea qala ho ithuta likhoele tse ngata tsa Asbestos, fiber fiber, moferefere oa khatiso le likopo tse ling tsa lisebelisoa tsa khohlano.
Ea bobeli, sehlopha sa likheo tsa brake
Ho na le mekhoa e 'meli e meholo ea ho khetholla lisebelisoa tsa brake. E le 'ngoe e arotsoe ke tšebeliso ea litsi. Ha lisebelisoa tsa brake tsa koloi, terene ea litlolo tsa litlolo le lisebelisoa tsa brake tsa sefofane. Mokhoa oa ho kenyelletsa lintho o bonolo ebile ho bonolo ho o utloisisa. E 'ngoe e arotsoe ho ea ka mofuta oa thepa. Mokhoa ona oa khethollo o na le saense e eketsehileng. Lisebelisoa tsa sejoale-joale tsa brake li kenyelletsa mekhahlelo e latelang e latelang: Thepa ea brake e thehiloeng ho litho tsa mofuta oa li-brake, pampiri
Boraro, Likoloi tsa Likoloi tsa Makoloi
1, mofuta oa lisebelisoa tsa brake tsa lijo tsa makoloi ho latela thepa ea tlhahiso e fapane. E ka aroloa ka pampiri ea tšepe ea asbestos, lakane ea tšepe kapa la tšepe ea tšepe, nao
1.1. Leqephe la leqephe la TOBAND
Ho tloha qalong feela, Asbestos e sebelisoa e le litaba tsa ho tiisa maqheka, hobane Asbestos Fiber e nang le matla a phahameng le mocheso o phahameng oa li-clutch Fiber ena e na le bokhoni bo matla, e ka tsamaisana le tšepe e ngata, 'me e ka mamella lithemparetjha tse 316 tsa C.S e bonolo haholo. E ntšoa ke amphibole ore, e fumanoang ka bongata linaheng tse ngata. Khohlo ea Asbestos Lisebelisoa tsa lisebelisoa tsa Asbestos haholo, li-simanium silicate (3mgoma2 · Filler bakeng sa ho fetola thepa ea likhohlano. Lintho tse entsoeng ka matrix tsa margon tsa margon li fumanoa ka ho tobetsa khomarela ka hlobo e chesang ea mold.
Pele ho bo-1960. Asbestos mofuta oa lishite tsa likhomo li sebelisoa haholo lefatšeng. Mme a busoa ka nako e telele. Leha ho le joalo, ka lebaka la ts'ebetso ea phetoho ea mocheso ea mocheso ea asbestos. Mocheso oa likhomo o ke ke oa qhekelloa ka potlako. E tla etsa hore molumo o matla oa mollo oa likhohlano o oa botena. Eketsa liaparo tse bonahalang. Khabareng. Metsi a kristal a Fiber Fiber a phehiloe ka holimo ho 400 ℃. Thepa ea likhohlano e fokotsehile haholo 'me nyeliso e eketsehile haholo ha e fihla ho 550 ℃ kapa ho feta. Metsi a kristale a lahlehile haholo. Ntlafatso e lahlehile ka botlalo. Ho bohlokoa haholo. E netefalitsoe ka mokhoa o hlakileng. Asbestos ke ntho e nang le tšenyo e kholo ho litho tsa ho hema liapole. JULY 1989. Setsi sa ts'ireletso sa US se ile sa phatlalatsa hore se tla thibela tlhahiso, etsa, e be le lihlahisoa tsa tsona ka 1997.
1.2, pampiri ea tšepe ea tšepe
Ke mofuta o mocha oa lintho tse ncha tse qapiloeng motheong oa thepa ea meriana le litlolo tsa setso tsa phofo ea setso ea phofo ea setso. E sebelisa likhoele tsa tšepe sebakeng sa likhoele tsa asbestos. Ke litaba tsa likhohlano tse se nang tsa asbestos tse thehiloeng ke k'hamphani ea Bendis ea Amerika mathoasong a bo-1970.
"Semi-metal" Asbestos le lipampiri tsa 'mino tse seng tsa asbestos (Nao) li ka khetholloa habonolo ho ponahalo (likhoele tse ntle le likaroloana tse itseng tsa makenete.
Lisebelisoa tsa litone tsa metallic tsa metallic li na le litšobotsi tse ka sehloohong tse latelang:
(l) e tsitsitse haholo ka tlase ho khohlano ea likhohlano. Ha e hlahise ho bola. Botsitso bo botle ba botsitso;
(2) Ho roala ho hanyetsa. Bophelo ba tšebeletso ke makhetlo a 3--5 ho ea ho lisebelisoa tsa asbestos lisebelisoa;
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(4) Phello e ntle ea ho futhumatsa. Mocheso oa mocheso o monyane. Haholo-holo e loketseng lihlahisoa tse nyane tsa brake;
(5) Noise e nyane ea ho sesa.
United States, Europe, Japane le linaheng tse ling ba ile ba qala ho khothaletsa tšebeliso ea libaka tse kholo ka bo-1960. Ho hanyetsa ha pampiri ea tšepe ea masela a matloana ho fetang 25% e phahame ho feta ea leqephe la asbestos. Hajoale, e lula boemong bo hlahelletseng mmarakeng oa brake ho China. Le likoloi tse ngata tsa Amerika. Haholo-holo likoloi le baeti le likoloi tsa thepa. Semi-tšepe ea li-brake tse ngata li ikarabella ho feta 80%.
Leha ho le joalo, sehlahisoa se boetse se na le mefokolo e latelang:
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(4) letsoalo le phahameng.
Le ha "tšepe" ha e na mefokolo e nyane, empa ka lebaka la botsitso ba eona bo botle, theko ea eona e ntle, e ntse e le thepa eo e khethiloeng bakeng sa li-piketive brake.
1.3. Movie ea Nao
Mathoasong a 1980, ho ne ho e-na le mefuta e mengata ea shaber e matla e matlafalitsoe ke asbestos Morero oa ona ke ho etsa lits'ireletso tsa thepa ea tšepe e le 'ngoe ea matllic, Craming Fiber, Frib Couber, FROBN FRIB, fiber ea liminerale, fiber ea liminerale. Ka lebaka la ts'ebeliso ea likhoele tse ngata, likhoele tse ka har'a brake li tla thusana ka ts'ebetsong, 'me ho bonolo ho rala foromo ea brake e nang le ts'ebetso e ntle haholo. Monyetla o ka sehloohong oa leqephe la Nao ke ho boloka phello e ntle ea ho phefunya ka mocheso o tlase kapa o phahameng, o fokotsa lerata, o emetse tataiso ea kholo ea litloloko. Lits'oants'o tsa likhohlano tse sebelisoang ke lihlahisoa tsohle tse tummeng tsa Sraked tsa Benz / Floodos
1.4, pampiri ea khabone ea khabone
Lintho tsa khabone tsa khano tsa khase ke mofuta oa thepa e nang le khase ea khabone e matlafatsang kharbon matrix. Maqhubu a eona a likhomo a matle haholo. Letsoalo le tlase (tšepe feela); Boemo bo phahameng ba bophahamo. E na le bophahamo ba mocheso bo phahameng haholo ho feta lisebelisoa tsa metallirgy le tšepe; Mocheso o phahameng oa mocheso; Ha ho na bo-ralitamo, Moetsi oa bohahlauli. Ho sebetsa mocheso ho fihlela 200 ℃; Khohlano e ntle le ts'ebetso ea hau. Bophelo bo bolelele ba tšebeletso. Motsoako oa likhohlano o tsitsitse ebile o tsitsitse nakong ea ho qhekella. Maqephe a khabone a Carbon-Carbon a ile a qala ho sebelisoa lifofane tsa sesole. Hamorao e ile ea amoheloa ka har'a makoloi a 1 a matha, e leng feela kopo ea lisebelisoa tsa khabone tsa khabone ka mekotleng ea litlolo.
Lintho tse ling tsa khase la Carbon Carbon ke thepa e khethehileng ka botsitso ba mollo, ho hanyetsa matla a motlakase, esticity e ikhethang le litšobotsi tse ling tse ngata. Leha ho le joalo, lisebelisoa tsa likhomo tsa khabone le tsona li na le mefokolo e latelang: Moferefere o boima o sa tsitsa. E angoa haholo ke mongobo;
Khanyetso e futsanehileng ea oxidation (oxidation e matla e etsahala ka pela 50 ° C ka moea). Litlhokahalo tse Sebetsa bakeng sa tikoloho (omileng, e hloekileng); E theko e boima haholo. Tšebeliso e lekantsoe le masimo a ikhethang. Ena hape ke lona lebaka le ka sehloohong leo ho leng thata ho ba le lisebelisoa tsa khabone tsa khabone haholo.
1.5, likotoana tsa Ceramici
Joalo ka sehlahisoa se secha sa lisebelisoa tsa khohlano. Marame a braelic Brake a na le melemo ea lerata, ha ho na molora oa lebili, bophelo ba tikoloho le tse ling. Mabenkele a bramic braked a ile a qalisoa ke lik'hamphani tsa Pakeda tsa Brake tsa Japane ka 1990s. Butle-butle e ba moratuoa ea mocha oa 'maraka oa Brake pad.
Moemeli ea tloaelehileng oa lisebelisoa tsa Ceramici tse thehiloeng ho C ea Ceramici, ke hore,,, khabone ea khabone e matlafatsang silicon carbide Matrix c / sic compotes. Bafuputsi ba tsoang Univesithing ea Stuttgart le setsi sa lipatlisiso sa Aerospace ba ithutile ts'ebeliso ea likhomo, 'me ba e-na le lipampiri tsa C / C-SIC bakeng sa likoloi tsa Porsche. Oak Ridge Laboratory e nang le honeywell e kopaneng ho nts'etsapele lipampiri tsa tšepe tse theko e tlase tsa tšepe tse sebelisoang likoloi tse boima.
2, Carbon Ceramic Melemo le Melemo e Melemo:
1, bapisoa le 'mala oa setso sa sebopeho sa sebopeho sa khase, boima ba carbon Ceramic bo fokotseha ka 60%, mme boima bo sa emisong bo fokotsehile ka lik'hilograma tse ka bang 23;
2, Cookil Coricit o na le keketseho e phahameng haholo haholo, lebelo la bolotsana le eketseha 'me maikutlo a bloke a fokotseha;
3, e leng nako ea tenche ea thepa ea khabone e tsoang ho 0,1% ho isa ho 0.3%, e leng boleng bo holimo haholo bakeng sa lisebelisoa tsa ceramic;
4, maqhubu a ceramic a disc
5, e le hore u hanela mocheso o phahameng, ho na le tlhaiso ea mocheso o phofo pakeng tsa brake piston le brake ea brake;
6, Crarake Breake Disk o na le ho hloka botsitso, haeba ts'ebeliso e tloaelehileng ke phetohelo ea bophelo ba tšepe, 'me ka kakaretso ea tšepe ea tšepe ea tšepe e sebelisoa ka kakaretso bakeng sa lilemo tse' maloa ho nka sebaka.
Nako ea poso: Sep-08-2023