Keketseho ea tlhokeho ea ho ntlafatsa ts'epo ho indasteri eohle e bolela hore baenjiniere ba tlameha ho nahana ka likarolo tsohle tsa lisebelisoa tsa bona.Litsamaiso tsa ho jara ke likarolo tsa bohlokoa mochining mme ho se atlehe ha tsona ho ka ba le litlamorao tse mpe le tse jang chelete e ngata.Moralo oa ho bea o na le tšusumetso e kholo ho ts'epahalo, haholo-holo maemong a ts'ebetso a feteletseng ho kenyelletsa mocheso o phahameng kapa o tlase, vacuum le li-atmospheres tse senyang.Sengoliloeng sena se fana ka lintlha tse lokelang ho nkuoa ha ho hlakisoa li-bearings bakeng sa tikoloho e thata, kahoo baenjiniere ba ka netefatsa ts'epo e phahameng le ts'ebetso e ntle ea nako e telele ea lisebelisoa tsa bona.

Sistimi ea ho beleha e na le lintho tse ngata tse kenyelletsang libolo, mehele, li-cages le lubrication, mohlala.Li-bearings tse tloaelehileng hangata ha li tobane le maemo a thata a tikoloho, kahoo ho hlokahala hore ho nahaneloe ka ho khetheha likarolo ka bomong.Lintho tsa bohlokoa ka ho fetisisa ke lubrication, thepa, le phekolo e khethehileng ea mocheso kapa liphahlo 'me ka ho sheba ntlha e' ngoe le e 'ngoe ho bolela hore li-bearings li ka hlophisoa hantle bakeng sa kopo.

Ho sebetsa ka mocheso o phahameng

Lisebelisoa tse phahameng tsa mocheso, joalo ka tse sebelisoang lits'ebetsong tsa actuation ka har'a indasteri ea sefofane li ka hlahisa mathata bakeng sa li-bearings tse tloaelehileng.Ho feta moo, lithempereichara li ntse li phahama ka thepa ha lisebelisoa li ntse li fokotseha haholo 'me li ntse li eketseha ka matla a motlakase, 'me sena se baka bothata bakeng sa palo e tloaelehileng.

Lubrication

Lubrication ke taba ea bohlokoa mona.Lioli le mafura li na le mocheso o phahameng ka ho fetisisa oa ho sebetsa nakong eo li tla qala ho senyeha le ho fetoha mouoane ka potlako e lebisang ho hlōleheng ho mamella.Mafura a tloaelehileng a atisa ho lekanyetsoa ho mocheso o ka holimo ho 120 ° C 'me likhase tse ling tse tloaelehileng tsa mocheso o phahameng li khona ho hanyetsa mocheso o fihlang ho 180°C.

Leha ho le joalo, bakeng sa lits'ebetso tse hlokang mocheso o phahameng le ho feta ho na le mafura a khethehileng a fluorinated lubricating le thempereichara e fetang 250°C e ka fihlelleha.Moo ho ke keng ha khoneha ho kenya lubrication, lubrication e tiileng ke khetho e lumellang hore ho be le ts'ebetso e tlaase ea lebelo le tlaase ho mocheso o phahameng le ho feta.Tabeng ena molybdenum disulphide (MOS2), tungsten disulphide (WS2), graphite kapa Polytetrafluoroethylene (PTFE) li khothaletsoa e le litlolo tse tiileng kaha li khona ho mamella mocheso o phahameng haholo ka nako e telele.

Lisebelisoa

Ha ho tluoa tabeng ea mocheso o fetang 300 ° C lesale le khethehileng le lisebelisoa tsa bolo lia hlokahala.AISI M50 ke tšepe e phahameng ea mocheso eo ka tloaelo e khothalletsoang hore e bontše ho apara le ho hanyetsa mokhathala ka mocheso o phahameng.BG42 ke tšepe e 'ngoe ea mocheso o phahameng e nang le bothata bo botle ba ho chesa ho 300 ° C 'me e atisa ho hlalosoa kaha e na le maemo a phahameng a ho thibela kutu 'me e boetse e sa khone ho khathala le ho apara mocheso o feteletseng.

Likotlolo tsa mocheso o phahameng li boetse lia hlokahala 'me li ka fanoa ka thepa e khethehileng ea polymer ho akarelletsa PTFE, Polyimide, Polyamide-imide (PAI) le Polyether-ether-ketone (PEEK).Bakeng sa mocheso o phahameng oa oli lubricated tsamaiso e jereng koaletsoeng ka boela etsoa ho tloha boronse, koporo kapa silevera-plated tšepe.

Liaparo le phekolo ea mocheso

Liaparo tse tsoetseng pele le liphekolo tsa holim'a metsi li ka sebelisoa ho li-bearings ho loantša ho ferekana, ho thibela kutu le ho fokotsa ho roala, kahoo ho ntlafatsa ts'ebetso ea ho bea ha mocheso o phahameng.Ka mohlala, likoti tsa tšepe li ka koaheloa ka silevera ho ntlafatsa tshebetso le ho tšepahala.Tabeng ea ho hlōleha ha lubricant / tlala, silevera-plating e sebetsa joaloka lubricant e tiileng, e lumellang hore bere e tsoele pele ho sebetsa ka nako e khutšoanyane kapa boemong ba tšohanyetso.

Ho tšepahala ka mocheso o tlase

Ka lehlakoreng le leng la tekanyo, mocheso o tlase o ka ba bothata bakeng sa li-bearings tse tloaelehileng.

Lubrication

Lits'ebetsong tsa mocheso o tlase, mohlala, cryogenic pumping applications le thempereichara sebakeng sa -190 ° C, mafura a oli a fetoha boka 'me a baka ho hloleha ho beha litholoana.Lubrication e tiileng joalo ka MOS2 kapa WS2 e nepahetse bakeng sa ho ntlafatsa ts'epo.Ho feta moo, lits'ebetsong tsena, mecha ea litaba e pompeloang e ka sebetsa joalo ka setlolo, ka hona, li-bearings li hloka ho lokisoa ka ho khetheha hore li sebetse ka mocheso o tlase ho sebelisa lisebelisoa tse sebetsang hantle le mecha ea litaba.

Lisebelisoa

Ntho e 'ngoe e ka sebelisoang ho ntlafatsa bophelo ba mokhathala le ho se mamelle ke SV30® - martensitic e thata ka ho fetisisa, e nang le naetrojene e phahameng, tšepe e sa bolaeeng ke kutu.Libolo tsa ceramic li boetse li khothaletsoa ha li ntse li fana ka ts'ebetso e phahameng.Mehaho ea tlhaho ea thepa e bolela hore e fana ka ts'ebetso e ntle haholo maemong a fokolang a lubrication, 'me e loketse ho sebetsa ka mokhoa o ts'epahalang maemong a tlase a mocheso.

Lisebelisoa tsa cage le tsona li lokela ho khethoa hore li se ke tsa senyeha ka hohle kamoo ho ka khonehang 'me likhetho tse ntle mona li kenyelletsa PEEK, Polychlorotrifluoroethylene (PCTFE) le polasetiki ea PAI.

Phekolo ea mocheso

Li-rings li lokela ho phekoloa ka mocheso o khethehileng ho ntlafatsa botsitso ba lithempereichara tse tlaase.

Moqapi oa ka hare

Ntho e 'ngoe eo ho nahanoang ka eona bakeng sa ho sebetsa mochesong o tlase ke moralo oa kahare oa bering.Li-bearings li entsoe ka boemo ba papali ea radial, empa ha mocheso o ntse o fokotseha, likarolo tse jereng li kena tlas'a mocheso oa mocheso 'me palo ea papali ea radial e fokotsehile.Haeba boemo ba ho bapala ha radial bo fokotseha ho fihlela ho zero nakong ea ts'ebetso sena se tla fella ka ho hlōleha ho beha litholoana.Li-bearings tse reretsoeng ho sebelisoa ha mocheso o tlase li lokela ho etsoa ka ho bapala ka mahlaseli a mangata mochesong oa kamore ho lumella boemo bo amohelehang ba ho bapala radial ka mocheso o tlase.

Ho sebetsana le khatello ea vacuum

Libakeng tsa vacuum tse phahameng haholo tse kang tse teng ha ho etsoa lisebelisoa tsa elektroniki, li-semiconductors le li-LCD, khatello e ka ba tlase ho feta 10-7mbar.Li-vacuum bearings tse phahameng haholo li sebelisoa hangata lisebelisoa tsa actuation ka har'a tikoloho ea tlhahiso.Sesebelisoa se seng se tloaelehileng sa vacuum ke lipompo tsa turbomolecular (TMP) tse hlahisang vacuum bakeng sa tikoloho ea tlhahiso.Ts'ebelisong ena ea ho qetela li-bearings hangata li hlokoa ho sebetsa ka lebelo le phahameng.

Lubrication

Lubrication maemong ana ke ea bohlokoa.Libakeng tse phahameng joalo tsa vacuum, mafura a tloaelehileng a lubrication a fetoha mouoane hape a tsoa, ​​'me khaello ea mafura a sebetsang a ka baka ho hloleha ho mamella.Ka hona, ho lokela ho sebelisoa lubrication e khethehileng.Bakeng sa libaka tse phahameng tsa vacuum (ho fihla ho hoo e ka bang 10-7 mbar) li-grease tsa PFPE li ka sebelisoa kaha li na le khanyetso e phahameng haholo ea ho fetoha mouoane.Bakeng sa libaka tsa vacuum tse phahameng haholo (10-9mbar le ka tlase) litlolo tse tiileng le liphahlo li hloka ho sebelisoa.

Bakeng sa maemo a mahareng a vacuum (a pota-potileng 10-2mbar), ka moralo o hlokolosi le khetho ea mafura a khethehileng a vacuum, lits'ebetso tse tsamaisang nako e telele ea bophelo ba lihora tse fetang 40,000 (hoo e ka bang lilemo tse 5) tsa ts'ebeliso e tsoelang pele, 'me li sebetsa ka lebelo le phahameng. fihlelletsoe.

Khanyetso ea kutu

Li-bearings tse reretsoeng ho sebelisoa sebakeng se senyang li hloka ho hlophisoa ka mokhoa o khethehileng kaha li ka pepesetsoa li-acids, alkalis le metsi a letsoai har'a lik'hemik'hale tse ling tse senyang.

Lisebelisoa

Lisebelisoa ke lintlha tsa bohlokoa bakeng sa tikoloho e senyang.Litšepe tse nang le litšepe tse tloaelehileng li hola habonolo, e leng se lebisang ho hloleheng ho jereng kapele.Tabeng ena, thepa ea selikalikoe ea SV30 e nang le libolo tsa ceramic e lokela ho nkoa e le e hanyetsanang haholo le kutu.Ebile, liphuputso li bonts'itse hore thepa ea SV30 e ka tšoarella nako e telele ho feta litšepe tse ling tse hanang ho bola tikolohong ea setlolo sa letsoai.Litekong tse laoloang tsa ho fafatsa letsoai SV30 tšepe e bontša feela matšoao a fokolang a ho bola ka mor'a lihora tse 1,000 tsa tlhahlobo ea setlolo sa letsoai (sheba setšoantšo sa 1) le khanyetso e phahameng ea SV30 e bonoa ka ho hlaka meheleng ea teko.Lisebelisoa tse khethehileng tsa bolo ea ceramic joalo ka Zirconia le Silicon Carbide le tsona li ka sebelisoa ho eketsa khanyetso ea li-bearings ho lintho tse senyang.

Ho fumana ho eketsehileng ho tlotsa media

Tikoloho ea ho qetela e phephetsang ke lits'ebetso moo mecha ea litaba e sebetsang e le setlolo, mohlala lihatsetsi, metsi, kapa maro a haeteroliki.Lits'ebetsong tsena kaofela lisebelisoa ke tsona tse bohlokoa ka ho fetisisa, 'me hangata SV30 - li-ceramic hybrid bearings li fumanoe li fana ka tharollo e sebetsang ka ho fetisisa le e ka tšeptjoang.

Qetello

Libaka tse feteletseng li hlahisa mathata a mangata a ts'ebetso ho li-bearings tse tloaelehileng, kahoo li etsa hore li hlolehe pele ho nako.Lits'ebetsong tsena, li-bearings li lokela ho hlophisoa ka hloko hore li lokele morero 'me li fane ka ts'ebetso e ntle ea nako e telele.Ho etsa bonnete ba ho tšepahala ho phahameng ha li-bearings, tlhokomelo e khethehileng e lokela ho lefshoa ho lubrication, lisebelisoa, ho roala holim'a metsi le phekolo ea mocheso.