Selelekela
O-mahele, ka mokhoa oa bona o bonolo oa annular, o netefatsa ho tiisoa ho tsitsitseng ha thepa tlas'a khatello e phahameng, lebelo le phahameng, le maemo a rarahaneng a mecha ea litaba. Leha ho le joalo, hangata ts'ebetso ea bona e tobana le liphephetso tse kholo ha ba sebetsa sebakeng se phahameng-mocheso. Ho tsofala ha mocheso, ho thatafala, kapa ho nolofala ha thepa ho ka etsahala, ho lebisa ho hloleheng ha tiiso esita le ho fokotsa nako ea lisebelisoa. Sengoliloeng sena se tla thusa baenjiniere le basebeletsi ba thepa ho utloisisa ka botlalo lintlha tsa bohlokoa mabapi le ho khetha le ho sebelisa{4}}lisebelisoa tsa O{5}} tsa mocheso o phahameng, ho shebana le mekhoa e susumetsang, khetho ea thepa, maemo a ts'ebeliso, le mekhoa ea khetho.
Liphello tsa Mocheso o Holimo ho O{0}}Ring Performance
Tikoloho e phahameng ea mocheso e fetola haholo thepa, botsitso ba lik'hemik'hale, le boitšoaro ba mochini oa O-rings. Sena ha se ame feela katleho ea ho tiisa empa hape se ka potlakisa botsofali le ho lebisa ho hloleheng ho fapaneng.
Liphetoho tsa Thepa ea Lintho
Lithempereichara tse ntseng li eketseha li fokotsa elasticity ea O-rings, e etsa hore li be thata kapa li be bonolo. Sena se etsa hore ho be thata ho O{2}}ring ho hlaphoheloa ka mor'a khatello ea nako e telele, kahoo e fokotsa ts'ebetso ea ho koala.
Nako ea bophelo le ho Fokotsa
Lithempereichara tse phahameng li potlakisa botsofali ba rabara, ho kenyelletsa le ho robeha ha ketane ea limolek'hule, ho phatloha ha mocheso, le liphetoho tsa oxidation. Ha nako e ntse e ea, ts'ebetso ea tiiso ea O{1}}ea fokola, e khutsufatsa bophelo ba bona ba ts'ebeletso.
Liphetoho ho Tšebelisano ea Lik'hemik'hale
Lithempereichara tse phahameng li eketsa ts'ebetso ea lisebelisoa tsa lik'hemik'hale, ho etsa hore rabara e be bonolo haholoanyane ho ruruha, ho phunyeha kapa ho senyeha. Maqhubu a mangata a O-a sa khoneng ho bola-e hana mocheso oa kamore a ka lahleheloa ke botsitso ba lik'hemik'hale sebakeng sa-mocheso o phahameng.
Mekhoa ea ho Felloa ke Mechini
Ka tlas'a mocheso o phahameng le meroalo, O{0}ring e ka 'na ea ba le mathata a ho sebetsa, joalo ka ho fetoha ha lekhalo le koalang ka lebaka la ho ata ha mocheso, khohlano e ntseng e eketseha e bakang hore bokaholimo bo senyehe, kapa khoele e khaohe.
Papiso ea Common High{0}Mocheso O{1}}Ring Materials
Ho bohlokoa ho khetha{0}}lisebelisoa tse nepahetseng tsa mocheso O{1}}tse phahameng tsa mocheso o phahameng bakeng sa ho netefatsa hore ho tšepahala{2}}ka litsamaiso tse phahameng tsa mocheso. Lisebelisoa tse fapaneng li na le melemo le mefokolo ea tsona mabapi le ho hanyetsa mocheso, ho lumellana ha lik'hemik'hale, thepa ea mochine le litšenyehelo. Tafole e latelang e akaretsa lisebelisoa tse tloaelehileng tsa ringing tse phahameng-O-e phahameng le ts'ebeliso ea tsona ho u thusa ho khetha thepa e nepahetseng kapele.
|
Lintho tse bonahalang |
Temp Range |
Melemo |
Mefokolo |
Lisebelisoa tse Tloaelehileng |
|
FKM |
-20 likhato ~ 250 likhato |
Boemo bo phahameng-le ho hanyetsa lik'hemik'hale; ho hana oli/mafura |
Relasticity e tlase, ts'ebetso e itekanetseng-ea mocheso o tlase |
Lienjineri, litsamaiso tsa oli, lisebelisoa tsa lik'hemik'hale |
|
FFKM |
-20 likhato ~ 327 likhato |
Mocheso o ikhethang le khanyetso ea lik'hemik'hale |
Theko e phahameng, ho sebetsa ka thata |
Aerospace, li-semiconductors, mecha ea litaba e senyang |
|
FKM-H |
-10 likhato ~ 250 likhato |
E betere{0}}ea maemo a tlase a mocheso, e hanana le lik'hemik'hale |
Litsenyehelo tse phahameng |
-oli ea mocheso o phahameng, li-gas seals |
|
PTFE |
-200 likhato ~ 260 likhato |
E babatsehang corrosion & wear resistance |
Elasticity e fokolang, hangata e hloka selikalikoe sa "backup". |
Liphaephe tsa lik'hemik'hale, li-valve, mecha ea litaba e mabifi |
|
FVMQ |
-60 likhato ~ 200 likhato |
Mefuta e mengata ea mocheso, e mamella mafura |
Khanyetso ea lik'hemik'hale e tlase ho feta FKM |
Mafura a sefofane, oli{0}}ea mocheso o tlase |
|
EPDM/EPM |
-50 likhato ~ 150 likhato |
E hanela mouoane/metsi le oxidation |
Ha e sebetsane le oli / mafura |
Liphaephe tsa mouoane / metsi a chesang |
|
Motsoako / Coated |
E itšetlehile ka motheo |
E kopanya melemo ea lintho tse bonahalang |
E rarahaneng, e theko e boima |
Litiiso tse phahameng-/tse phahameng{1}}, lisebelisoa tse khethehileng |
Maqhubu a-Mocheso O{1} a Holimo a Sebelisang Hokae?
Lisebelisoa tse fapaneng li kenyelletsa mocheso o fapaneng, mecha ea litaba le meroalo ea mochini. Ho bohlokoa ho utloisisa lintlha tsa ts'ebeliso e 'ngoe le e 'ngoe bakeng sa khetho e tšepahalang ea -lisebelisoa tse phahameng tsa mocheso O{2}}.
Lienjineri tsa Likoloi le Sisteme ea Exhaust
Litsamaiso tsa lienjine le mosi hangata li pepesetsoa litlamorao tse senyang tsa oli, mafura le likhase tsa mosi, athe mocheso o ka fihla ho likhato tse 120 ho isa ho tse 250. Katoloso ea mocheso le mocheso o telele oa nako e telele li ka etsa hore O{3}}rings li thatafale kapa li penye. FKM kapa FKM-Lisebelisuoa tsa H li sebelisoa hangata, tse fanang ka ho hanyetsa oli le ho sebetsa-ka mocheso o phahameng.
Aerospace le Li-turbine tsa Khase
Sebakeng sa sefofane le lisebelisoa tsa turbine ea khase, mocheso o ka feta likhato tse 300, 'me likhase tse senyang le mafura li teng. Libakeng tsena, li-O{2}}rings li kotsing ea ho hloleha ka lebaka la ho tsofala ha mocheso le tlhaselo ea lik'hemik'hale. Ho sebelisoa metsoako ea FFKM kapa FVMQ, e fanang ka khanyetso ho mocheso o feteletseng le ho bola ha lik'hemik'hale.
Lisebelisoa tsa Petrochemical le Lik'hemik'hale
Li-acid, alkalis, organic solvents, le{0}}mouoane o phahameng oa mocheso oo hangata o fumanoang liphaepheng tsa petrochemical, li-reactor le li-valve li ka potlakisa katoloso le ho senyeha ha rabara. O-lisebelisoa tse entsoeng ka FKM, PTFE, kapa lisebelisoa tse kopantsoeng li fana ka -mocheso o phahameng le ho hanyetsa lik'hemik'hale tse hlokahalang.
Li-boilers le{0}}Litsamaiso tsa Mocheso o Holimo oa Mouoane
Ka liboiler le lithapong tsa mouoane, O-rings hangata li pepesetsoa-mocheso o phahameng oa metsi le metsi, e leng se ka bakang katoloso ea rabara le ho tsukutleha. Ho sebelisa EPDM kapa FKM e khethehileng ho hanela katoloso le ho thella, ho netefatsa tiiso e tšepahalang.
Tlhahiso ea Semiconductor
Nakong ea ho etsa li-semiconductor, liphaposi tse bakang{0}}mocheso o phahameng hangata li tsamaea le likhase tsa lik'hemik'hale le moea o chesang, e leng ho etsang hore O{1}}lisebelisoa li be bonolo ho thella kapa ho senyeha ha mocheso oa mocheso. Ka hona, lisebelisoa tsa motsoako oa FKM kapa PTFE hangata li sebelisoa ho thibela ho lutla ha khase.
Thepa e khethehileng ea indasteri
Lisebelisoa tse ling tse khethehileng tsa indasteri li sebetsa maemong a rarahaneng, joalo ka mocheso o phahameng, likhatello tse phahameng kapa libaka tse senyang haholo. Masale a O-a koahetsoeng a kopanya melemo ea lisebelisoa tse ngata ho sebetsana ka katleho le mocheso, lik'hemik'hale, le khatello ea mochine, ha e ntse e ntlafatsa ho hanyetsa mocheso o phahameng, ho senyeha le ho hola.
Hodimo{{0}Mocheso O{1}}Malebela a ho Khetha Lesale
Ho khetha selikalikoe se nepahetseng sa-mocheso O{1}}se nepahetseng ha se ame feela ho tšepahala ha tiiso empa hape le nako ea bophelo ea thepa le litšenyehelo tsa tlhokomelo. Lintlha tse latelang li ka sebetsa e le tataiso ho u thusa ho etsa liqeto tse nang le tsebo:
Hlalosa Maemo a Tšebetso
Ntlha ea pele, nahana ka tsamaiso ea kakaretso 'me u hlalose ka ho hlaka mocheso oa ts'ebetso, lebelo la khatello, mofuta oa mecha ea litaba le motsamao. Mekhahlelo ena e ama ka kotloloho khetho ea thepa, ka hona ho bohlokoa ho thathamisa maemo ohle a ts'ebetso ho thusa khetho e latelang ea lisebelisoa.
01
Khetho ea Lintho
Ho khetha lisebelisoa tse nepahetseng ho latela maemo a ts'ebetso ke senotlolo sa ho ts'epahala ha ring e phahameng-O{1}}. Lisebelisoa tse tloaelehileng li kenyelletsa fluoroelastomer (FKM), tse loketseng ho hanyetsa oli le litšebeliso tse akaretsang{3}} tsa mocheso o phahameng, le rabara ea fluorosilicone (FVMQ), e fanang ka elasticity le k'hemik'hale e hanyetsanang le lik'hemik'hale. Ha u khetha lisebelisoa, nahana ka mocheso, lisebelisoa tsa lik'hemik'hale, le litšenyehelo-ho netefatsa hore li finyella litlhoko tsa kopo.
02
Khetho ea Mathata
Ho thatafala ha selikalikoe sa O{0}}ho ama ka kotloloho tšebetso ea eona ea ho tiisa le bophelo ba ts'ebeletso. Thempereichara e phahameng e thatafatsa rabara, kahoo ho thata ho khetha ho ba bonolo ho feta mocheso oa kamore ho netefatsa hore ho sebetsa ha khatello tlas'a{2}}maemo a phahameng a mocheso.
03
Litekanyo le Mamello
Litekanyo tse nepahetseng le ho mamella{0}karolo ea likarolo li bohlokoa bakeng sa ts'ebetso ea tiiso. Nakong ea ho kenya, O{2}}rings e tlameha ho hatelloa ka hoo e ka bang 10-30%. Notch le litekanyo li lokela ho lumella ho hola le ho fokotseha ha mocheso.
04
Ho Khetha Mofani ea Tšepahalang oa Tlhahiso
Bakeng sa litlhoko tsa tloaelo kapa tse khethehileng, khetha mofani oa thepa ea nang le bokhoni ba R&D le boiphihlelo bo batsi. Ba ka boela ba fana ka likhothaletso tsa khetho ea thepa, lintlha tsa tšebetso, le ka mor'a-tšehetso ea thekiso ho u thusa ho fumana ka potlako e loketseng ka ho fetisisa-thempereichara ea O{3}}ring e loketseng.
05
Qetello
Maemo a phahameng a-mocheso a baka mathata a maholo ho O{1}}rings. Ha u khetha selikalikoe se phahameng- sa O-, u tlameha ho nahana ka botlalo ka lintlha tse kang thepa, ho thatafala, boholo, le maemo a ho sebetsa ho fumana O{5}}ring e loketseng ka ho fetisisa.
Haeba o hloka ho fumana ka potlako selikalikoe se nepahetseng sa-mocheso o phahameng oa O{1}}, Ningbo Zhonggao, joalo ka moetsi oa O{2}}ea hloahloa oa O{2}}, o fana ka lisebelisoa tse khethehileng.ditshebeletso customization. Ka kopoiteanye le ronaho ithuta ho eketsehileng ka{0}}lisebelisoa tsa O{1}} tsa mocheso o phahameng kapa ho kopa tharollo e ikhethileng.
