Re sebelisa li-cookies ho ntlafatsa boiphihlelo ba hau.Ka ho tsoela pele ho sheba sebaka sena sa marang-rang, o lumellana le ts'ebeliso ea rona ea li-cookies.Lintlha tse ling tse tsoang hoPTFE oli tiiso
Ho fumana litiiso tse sebetsang hantle bakeng sa libaka tse matla e bile phephetso e kholo ka lilemo tse mashome esita le makholo a lilemo, 'me ho bile thata le ho feta ho tloha ha ho hlaha le ho ntlafatsoa ha likoloi, lifofane, le mechini e tsoetseng pele.
Kajeno, li-thermoplastics tse kang polytetrafluoroethylene (PTFE) lip seals (tse tsejoang hape e le rotary shaft seal) li ntse li sebelisoa haholo.
Sehloohong sena, re tla shebisisa bophelo ba PTFE rotary lip seal e sebetsang hantle haholo le ho iphetola ha eona ha nako e ntse e ea.
"Mohale e mong le e mong" o na le pale ea tšimoloho.Hoa tšoana le ho PTFE litiiso tsa molomo.Bo-pula-maliboho ba pele ba ne ba sebelisa lithapo, letlalo le tala, kapa mabanta a teteaneng e le tse ling tsa litiiso tsa pele kapa lintho tse koalang liaseng tsa mabili.Leha ho le joalo, liqibi tsena li tloaetse ho lutla 'me li hloka tlhokomelo ea kamehla.Lik'hamphani tse ngata tsa mehleng ea kajeno tsa elastomeric seal e kile ea e-ba li- tanneries.
Ho elella bofelong ba lilemo tsa bo-1920, litiiso tsa pele tsa molomo oa radial li entsoe ka mabokose a letlalo le tšepe a nang le li-fasteners.Qetellong ea lilemo tsa bo-1940, letlalo le ile la qala ho nkeloa sebaka ke rabara ea maiketsetso.Ka mor'a lilemo tse 40, bahlahisi ba bangata ba qala ho nahana bocha ka mokhoa oa bona oa ho tiisa, hangata ba kopanya sebaka sa ho tiisa ka har'a kopano ea tiiso le ho sebelisa melomo e mengata e nang le lintlha tse otlolohileng le tse rapameng.
Fluorocarbon ke moetsi e mong ea joalo.Ka 1982, Fluorocarbon e ile ea reka SealComp, eo ka nako eo e neng e le khoebo e nyane ea lelapa ea ho etsa li-lip seal e thehiloeng Michigan.Kamora ho nkuoa, Khamphani ea Fluorocarbon e ile ea fallisetsa SealComp femeng e South Carolina ho hlahisa litiiso tsa tšepe bakeng sa liindasteri tsa nyutlelie le petrochemical.
Khoebo ena e ncha ea seal lip seal e sebetsa ka ho khetheha ka lipompo le li-engine tsa khatello e phahameng ea hydraulic, li-alternator tsa sesole le lihlahisoa tse ling tsa khoebo tse kenyelletsang diesel truck crankshaft seals le thermostats.
Bohareng ba lilemo tsa bo-1990, Khamphani ea Fluorocarbon e ile ea fetola lebitso la eona ho Furon 'me ea rekoa ke BD SEALS Solutions™ ka 2001. Sena se eketsa Furon khoebong ea BD SEALS Solutions™ e seng e ntse e le matla nakong ea selemo, e thehiloeng ka 1955.
Ka 1995, tepi ea elastomeric e ile ea eketsoa karolong e ka ntle ea BD SEALS Solutions lip seal.Sena se etsoa e le ho felisa khatello ea tšepe ho ea ho tšepe le ho netefatsa tiiso e tiileng pakeng tsa tiiso le tiiso ea 'mele oa moreki.Likarolo tse ling hamorao li ile tsa kenyelletsoa bakeng sa ho tlosoa ha tiiso le ho emisa ho sebetsa ho bona tiiso le ho thibela ho kenngoa ho fosahetseng.
Ho na le lintho tse ngata tse tšoanang, empa hape le liphapang tse ngata, lipakeng tsa litiiso tsa molomo oa rabara le BD SEALS PTFE litiiso tsa molomo.
Ka mokhoa oa sebopeho, litiiso ka bobeli li tšoana haholo ka hore li sebelisa 'mele oa tšepe o hatelitsoeng ka har'a tiiso ea' mele e emeng le ntho e sa sebetseng ea molomo e hohlang khahlanong le shaft e potolohang.Li boetse li sebelisa sebaka se lekanang ha li sebelisoa.
Li-Elastomeric lip seal ke tsona tse tloaelehileng ka ho fetisisa tsa shaft seal 'marakeng' me li bōptjoa ka ho toba ka tlung ea tšepe ho fana ka ho tiea ho hlokahalang.Boholo ba litiiso tsa molomo oa rabara tsa elastomeric li sebelisa sethala sa katoloso e le mokhoa oa ho jarolla ho netefatsa tiiso e tiileng.Ka tloaelo selemo se fumaneha ka holim'a ntlha ea ho kopana pakeng tsa tiiso le sefate, ho fana ka matla a hlokahalang ho senya filimi ea oli.
Maemong a mangata, litiiso tsa molomo tsa PTFE ha li sebelise spring e atolositsoeng ho tiisa.Ho e-na le hoo, litiiso tsena li arabela mojaro leha e le ofe o sebelisoang ho otlolla molomo o koalang le radius e kobehang e entsoeng ke 'mele oa tšepe.PTFE lip seals sebelisa mokhoa o pharaletseng oa ho ikopanya pakeng tsa molomo le shaft ho feta elastomeric lip seal.Litiiso tsa molomo tsa PTFE le tsona li na le mojaro o itseng o tlase, empa li na le sebaka se pharaletseng sa ho ikopanya.Morero oa bona o ne o reretsoe ho fokotsa litekanyetso tsa ho apara 'me liphetoho li entsoe ho fokotsa boima ba lisebelisoa, tse tsejoang hape e le PV.
Tšebeliso e khethehileng ea PTFE lip seals ke ho tiisoa ha li-shafts tse pota-potileng, haholo-holo li-shaft tse potolohang ka lebelo le phahameng.Ha maemo a le phephetso le ho feta bokhoni ba bona, ke khetho e ntle ka ho fetisisa ea li-elastomeric rubber lip seal.
Ha e le hantle, litiiso tsa molomo tsa PTFE li etselitsoe ho koala lekhalo lipakeng tsa litiiso tsa molomo tsa elastomeric le litiiso tsa sefahleho tsa khabone.Li ka sebetsa ka likhatello tse phahameng le lebelo ho feta boholo ba li-elastomeric lip seal, tsa li etsa khetho e ntle haholo.
Ts'ebetso ea bona ha e amehe hampe ke tikoloho e thata e nang le mocheso o feteletseng, mecha ea litaba e senyang, lebelo le holimo, likhatello tse phahameng kapa khaello ea mafura.Mohlala o babatsehang oa bokhoni bo phahameng ba PTFE ke li-compressor tsa moea tsa indasteri, tse lekantsoeng ho sebetsa lihora tse fetang 40,000 ntle le tlhokomelo.
Ho na le maikutlo a fosahetseng mabapi le tlhahiso ea litiiso tsa molomo tsa PTFE.Litiiso tsa molomo oa rabara tsa Elastomeric li hatella rabara ka ho toba khahlanong le matlo a tšepe.'Mele oa tšepe o fana ka boima bo hlokahalang,' me elastomer e nka karolo e sebetsang ea tiiso.
Ka lehlakoreng le leng, litiiso tsa molomo tsa PTFE li ke ke tsa akheloa ka kotloloho ntlong ea tšepe.Boitsebiso ba PTFE ha bo kene boemong ba mokelikeli kapa boemo bo lumellang thepa hore e phalle;Ka hona, litiiso tsa molomo tsa PTFE li entsoe ka ho lokisa tiiso, ebe e e kopanya ka tlung ea tšepe, ebe e e koala ka mochini.
Ha u khetha tharollo ea tiiso e nepahetseng bakeng sa lits'ebetso tse potolohang, lintlha tsa bohlokoa tse kenyelletsang lebelo la shaft, lebelo la holim'a metsi, mocheso oa ts'ebetso, mokhoa oa ho tiisa, le khatello ea sistimi li tlameha ho nahanoa ka hloko.Ho na le maemo a mang a mangata a ts'ebetso a lokelang ho nahanoa ha u etsa qeto ea hau, empa tse thathamisitsoeng ka holimo ke tsona tse ka sehloohong.
Ka litokelo ho tla le boikarabelo bo boholo.Ha nako e ntse e ea, sepheo sa BD SEALS Solutions™ se fetohetse lits'ebetsong tse hlokang litiiso tsa molomo tsa PTFE tse batloang haholo.E 'ngoe ea melemo ea bohlokoa ea tiiso ke bokhoni ba eona ba ho sebetsa maemong a thata lits'ebetsong tsa indasteri, tsa likoloi le tsa sefofane.
Li ka sebetsa ka likhatello tse phahameng le lebelo la li-shafts tse potolohang ho feta li-elastomeric lip seal, 'me melemo ha e felle moo.Melemo e meng ea litiiso tsa molomo tsa PTFE li kenyelletsa:
BD SEALS Solutions™ Litiiso tse peli tse tloaelehileng tsa molomo ke BD SEALS PTFE 'mele oa tšepe o potolohang litiiso tsa molomo le DynaLip polymer seals, tseo ka bobeli li ka fapanyetsanoang.Phapang e ka sehloohong pakeng tsa bona ke moralo oa bona.Metal housing seal e sebelisa sheet metal ho etsa ntlo e tiisitsoeng ebe e kenya molomo o tiisang ho tiisa tiiso ka mochini.
E qapiloe mathoasong a lilemo tsa bo-1970, BD SEALS li-lip seals li etselitsoe ho sebetsa libakeng tse thata ho tloha ho -53 ° C ho isa ho 232 ° C, libaka tse thata tsa lik'hemik'hale, le libaka tse omeletseng le tse senyang.Litiiso tsa rotary tsa Dynamic PTFE li sebelisoa lits'ebetsong tse latelang:
Litiiso tsa DynaLip li bile teng pele ho litiiso tsa rotary tsa BD SEALS ka lilemo tse ka bang leshome.Popo ea bona e ile ea hlokahala ha BD SEALS Solutions ™ e qala ho sebetsa ho kopanya le ho kopanya lisebelisoa tse phatlohang bakeng sa lits'ebetso tsa sesole.Litiiso tsa molomo tse entsoeng ka tšepe li nkoa li sa tšoanelehe ka ho feletseng bakeng sa morero ona ka lebaka la monyetla oa hore li kopane le sefate se potolohang sa seqhomane se tsoakiloeng.Ke ka lebaka leo lienjineri tsa meralo tsa BD SEALS Solutions ™ li hlahisitseng tiiso ea molomo e se nang tšepe ha e ntse e boloka melemo ea eona ea bohlokoa.
Ha u sebelisa litiiso tsa DynaLip, tlhokahalo ea likarolo tsa tšepe e felisoa ka ho feletseng hobane tiiso eohle e entsoe ka thepa e tšoanang ea polymer.Maemong a mangata, elastomericO-ringe sebelisoa pakeng tsa bophara ba bokantle ba tiiso le bore ea matlo a mating.Li-O-rings li fana ka tiiso e tiileng e tsitsitseng le ho thibela ho potoloha.Ka lehlakoreng le leng, BD SEALS litiiso tsa molomo li ka etsoa ka lisebelisoa tse fetang tse tharo tse fapaneng 'me li koaletsoe ka tlung ea tšepe.
Kajeno, tiiso ea pele ea DynaLip e hlahisitse mefuta e mengata e fapaneng eo hape e leng e loketseng bakeng sa ho kenya tšimo kaha ha e hloke lisebelisoa tse khethehileng bakeng sa ho kenya hape e loketse lits'ebetso tse hlokang hore tiiso e tlosoe bakeng sa ho hloekisa.Ka lebaka la moralo oa tsona o bonolo, litiiso tsena hangata li na le chelete e ngata.
BD SEAL PTFE lip seals, DynaLip polymer seals le tse ling tsa molomo tse tsoang ho bd seals Solutions™ li fetola bophelo ba rona ba letsatsi le letsatsi joang?
PTFE li-lip seals li fana ka thepa e phahameng ea ho tiisa le khohlano e tlase libakeng tse omeletseng kapa tse hlabang.Hangata li sebelisoa lits'ebetsong tse rarahaneng moo ho hlokahalang lebelo.
Mmaraka oa compressor oa moea ke mohlala o motle oa kamoo PTFE li-lip seal li nkang sebaka sa elastomeric le carbon mechanical lial.BD SEALS Solutions™ e qalile ho sebetsa le boholo ba lik'hamphani tse kholo tsa compressor ea moea bohareng ba lilemo tsa bo-1980, e nkela litiiso tsa molomo oa rabara tse dutlang le litiiso tsa sefahleho sa carbon.
Moqapi oa pele o ne o thehiloe holim'a setiiso sa setso sa khatello e phahameng, empa ha nako e ntse e ea, ha tlhokahalo e ntse e eketseha 'me ho hlokahala ts'ebetso e phahameng, tiiso e ne e etselitsoe hore e be le zero leakage le bophelo bo atolositsoeng ba tšebeletso.
Theknoloji e ncha e ntlafalitsoe ho feta bophelo ba tiiso e habeli ha e ntse e boloka taolo e tiileng ea ho lutla ka linako tsohle.Ka lebaka leo, Omniseal Solutions™ PTFE lip seals e nkuoa e le maemo a indasteri, e fana ka lihora tse fetang 40,000 tsa ts'ebeletso e sa hlokeng tlhokomelo.
Litiiso tsa molomo tsa PTFE li fana ka taolo e phahameng ea ho lutla 'me li khona ho sebetsa ho tloha ho 1000 ho isa ho 6000 rpm ka mefuta e fapaneng ea mafura le nako e telele (lihora tse 15,000), ho fokotsa likopo tsa tiisetso.bd seals Solutions™ e fana ka litiiso tsa shaft bakeng sa indasteri ea compression ea screw ka bophara ho tloha ho 0.500 ho isa ho 6000 inches (13 ho isa ho 150 mm).
Li-mixer ke sebaka se seng sa indasteri moo ho etsoa ha li-seal ho atile.Bareki ba BD SEALS Solutions™ indastering ena ba hloka litiiso tse ka sebetsanang le ho kheloha ha shaft le ho tsoa ho fihla ho 0.300 in. (7.62 mm), e leng palo e kholo ea ho phalla ha shaft.Ho rarolla bothata bona le ho ntlafatsa lebelo la ts'ebetso, BD SEALS Solutions™ e fana ka moralo o nang le patented lip seal seal.
bd seals li-lip seals li bonolo ho kenya, li kopana le litlhoko tse thata tsa ho lutla tsa EPA, 'me li na le oli le li-coolant tse lumellanang bakeng sa ho sebelisoa libakeng tse koaletsoeng bophelo bohle ba pompo.
Ntle le moo, Solutions ™ lip seals e etselitsoe maemo a tiileng a ho tiisa, lebelo le feteletseng, khatello le mathata a mocheso, le lits'ebetso tse ling tse ngata.
Litiiso tsa bona li boetse li sebelisoa lisebelisoa tse hlokang lisebelisoa tse lumelletsoeng ke FDA hore li sebelisoe mechini e kang:
Lisebelisoa tsena kaofela li hloka ho hanyetsa likhohlano tse tlase haholo ho fokotsa mocheso.Ntle le ho kopana le litekanyetso tsa FDA, litiiso li tlameha ho se be le likheo tse ka bakang ho ts'oaroa ha thepa e tiisitsoeng, 'me li tlameha ho tsamaellana le li-acids, alkalis le lisebelisoa tsa ho hloekisa.Hape ba tlameha ho mamella ho hlatsuoa ha khatello e phahameng le ho feta tlhahlobo ea IP69K.
bd seals Solutions ™ li-lip seals li sebelisoa ho li-auxiliary power units (APU), lienjineri tsa turbine tsa khase, li-starter, li-alternator le lijenereithara, lipompo tsa mafura, li-turbine tsa khatello (RAT) le li-flap actuators, e 'ngoe ea limmaraka tse kholo ka ho fetisisa.
APU e ile ea kengoa tšebetsong ho US Airways Flight 1549 (“Miracle on the Hudson”) ho fana ka matla ho sefofane hore se lule se sireletsehile.BD SEALS Solutions™ li-lip le spring seal li kentsoe setsing sa mantlha sa sefofane sena, se nkoang e le sa bohlokoa haholo ha se fofa 'me se tlameha ho sebetsa ka 100% ha se romelloa.
Ho na le mabaka a mangata a etsang hore baetsi ba lifofane ba itšetlehe ka litiiso tsena tsa molomo.Litiiso tsa molomo tsa BD SEALS tse etselitsoeng ka ho khetheha li fana ka tiiso e tiileng le ts'ebetso e ntlafalitsoeng ho feta litiiso tse bapisoang tsa elastomeric.Li boetse li hloka sebaka se senyane ho feta litiiso tsa mochini oa carbon mechanical shafts le li-gearbox tsa kantle.
Li ka mamella mocheso ho tloha -65 ° F ho 350 ° F (-53 ° C ho 177 ° C) le likhatello ho fihlela ho 25 psi (0 ho 1.7 bar), ka lebelo le tloaelehileng la holim'a 2000 ho ea ho 4000 maoto ka motsotso (10 ho isa ho 1.7). 20 m/s).Litharollo tse ling tsa bd seals Solutions™ sebakeng sena li ka sebetsa ka lebelo le fetang maoto a 20,000 ka motsotso, e lekanang le limithara tse 102 ka motsotsoana.
Mmaraka o mong o moholo ke litiiso tsa enjine ea lifofane, moo li-lip seal li sebelisoang litiisong tsa phetiso ea kantle ke baetsi ba lienjene tsa lifofane tse kholo.bd seals Solutions ™ li-lip seals le tsona li sebelisoa lienjineng tsa jete tsa turbofan.Mofuta ona oa enjene o na le sistimi ea gear e arolang fan ea enjene ho komporo ea khatello e tlase le turbine, e lumellang mojule ka mong ho sebetsa ka lebelo le nepahetseng.
Kahoo, li ka fana ka katleho e eketsehileng.Sefofane se tloaelehileng se chesa hoo e ka bang halofo ea lilithara ea mafura k’hilomithara e ’ngoe le e ’ngoe, ’me ho lebeletsoe hore lienjene tse sebetsang hantle haholoanyane li boloke chelete e kaalo ka liranta tse limilione tse 1,7 tsa litšenyehelo tsa ho sebetsa sefofane ka seng ka selemo.
Ntle le ho tšehetsa liindasteri tsa khoebo, PTFE li-lip seals li boetse li sebelisoa sesoleng, haholo-holo ke Lefapha la Tšireletso.Sena se kenyelletsa tšebeliso ea lifofane tsa ntoa, likoloi tsa lifofane le li-helicopter.
Litiiso tsa molomo tsa PTFE li sebelisoa haholo lifofaneng tsa sesole;Ka mohlala, ho li-fan lifens tse otlolohileng, li-helicopter gearbox motor seal le li-seal tsa tsona tse tletseng selemo li boetse li sebelisoa bakeng sa likarolo tsa rotor head seal, li-flaps le li-slats, le lisebelisoa tsa bohlokoa tsamaisong ea braking e sebelisoang ho tšoara sefofane.E lutse mokatong.Ho bohlokoa ho netefatsa hore lisebelisoa tse sebelisoang molemong ona ha li sebetse hantle.
BD SEALS Solutions™ li-lip seals li loketse tse ling tsa lisebelisoa tse thata ka ho fetisisa tse kang li-crankshafts, li-distributors, lipompo tsa peterole le li-cam seal tse fumanoang indastering ea mabelo, moo ka tlhaho lienjineri li atisang ho sutumelloa ho fihlela meeli ea tsona.
Boholo ba lihlopha tsa NASCAR le lienjineri tsa Indianapolis Motorsports li sebelisa BD SEALS Solutions™ li-lip seals.Hoo e ka bang motho e mong le e mong ea tšoanelehang le ea qetellang a le Indianapolis ka 2019 o ile a sebelisa litiiso tsa molomo bonyane li-crankshafts tsa bona tse ka pele le tse ka morao.bd seals Solutions ™ e boetse e na le moralo o nang le tokelo ea molao o entsoeng ka ho khetheha bakeng sa NASCAR ho felisa mathata a tloaelehileng a bakang ho hlōleha ha tiiso ea PTFE.
Ha enjene ea throttle crankshaft oil seal e cha ka lebelo le phahameng nakong ea peiso ea morao-rao ea Daytona Superspeedway, moetsi ea ka sehloohong oa enjene ea NASCAR o ile a fetohela ho bd seals Solutions ™ lip seals.Sephetho e bile tlhōlo ho bohle: Brad Keselowski le No. 2 Penske Ford ba hapile peiso ba sebelisa li-bd seals Solutions™ lip seals.Ho tsoela pele ho ntlafatsa ketsahalo ena e atlehileng, ba bane ho ba bahlano ba ka holimo ba ile ba khanna likoloi tse nang le lienjine tse etellang pele tsa moetsi tse ruileng molemo ho li-lip seal.
Kopo e 'ngoe ea mabelo bakeng sa BD SEALS Solutions ™ lip seals e ka lienteng tsa mafura tse holimo.Lienjine tsena li tlas'a maemo a feteletseng moo karolo e 'ngoe le e 'ngoe e kobehang, e sisinyeha le ho sotha, e leng se bakang ho kopana pakeng tsa likarolo tseo ka tloaelo li sa lokelang ho etsahala.Ka hona, nako e tloaelehileng ea bophelo ba ente ea mafura a holimo e tlase ho metsotso e mehlano ha e sebelisoa ka lebelo la mabelo.
Nako ea poso: Oct-10-2023