Selelekela
Ho khetha gasket e nepahetseng ea rabara ho ka bonahala ho se letho, empa ho bohlokoa liindastering le lits'ebetsong tse fapaneng, joalo kalikhase tsa rabaraetsa mosebetsi oa bohlokoa oa ho tiisa. Haholo-holo tlas'a maemo a feteletseng a kang mocheso o feteletseng, kutu e matla, le khatello e phahameng, khetho e fosahetseng e ka lebisa ho hlōleha ha tiiso, ho lutla, nako ea ho theoha, le litšenyehelo tse phahameng tsa tlhokomelo. Sehlooho sena se tla tšohla mokhoa oa ho khetha gasket e loketseng ka ho fetisisa ea rabara bakeng sa maemo a feteletseng a ho sebetsa.
Maemo a Feteletseng a Ts'ebetso ea Li-Gaskets tsa Rubber
Senotlolo sa ho khetha gasket e nepahetseng ea rabara bakeng sa maemo a fapaneng a feteletseng ke ho utloisisa mathata ao gasket e tla tobana le ona tlas'a maemo a fapaneng a ts'ebetso a feteletseng. Sena se thusa ho fokotsa mokhoa oa ho khetha le ho qoba ho etsa liqeto tse sa reroang. Lits'ebetsong, hangata ho kopana le maemo a latelang a feteletseng a ts'ebetso:
• Lithempereichara tse phahameng le tse tlase haholo
• Libaka tsa ho tiisa{0}ka khatello e phahameng
• Ho kopana le li-acids tse matla, oli, lihlapolli le lisebelisoa tse ling tsa lik'hemik'hale
• Ho pepesehela mahlaseli a kotsi a ka ntle a ultraviolet le ozone
• Ho apara ka matla kapa tšusumetso ea mochine
Lintlha tsa Bohlokoa Ha U Khetha Li-Gaskets tsa Rubber
Ho hanyetsa Mocheso
Liraba tse ngata li theoha mochesong o fetang likhato tse 150 'me li fetoha brittle le ho peperana mocheso o tlase. Bakeng sa lits'ebetso tse kenyelletsang mocheso o phahameng haholo, Viton e khona ho mamella mocheso ho fihla ho likhato tse 250, ha rabara ea silicone e boloka ts'ebetso e ntle mochesong o tlase.
Lik'hemik'hale Media Compatibility
Litikolohong tse nang le lintho tse senyang haholo tse kang oli ea haeteroliki, liesiti tse matla, metheo e matla, le libeso, tse kang tse fumanoang libakeng tsa ho hloekisoa, lik'hemik'hale, le litsing tsa mafura, rabara e ka ruruha le ho theola boemo. Gasket e loketseng ea rabara e tlameha ho khethoa bakeng sa lintho tse fapaneng tsa lik'hemik'hale. Rabara ea nitrile e tsamaellana hantle le lioli tse fapaneng, athe FKM e na le khanyetso e ntle ho mafura, li-acid tse matla, le lihlapolli tse senyang haholo.
Ho hanyetsa UV le Ozone
Leseli la ultraviolet le senya liketane tsa limolek'hule tsa rabara, ho etsa hore bokaholimo bo be thata; ozone e baka ho phatloha hoa rabara. Bakeng sa ho pepeseha ka ntle, ho khetha EPDM, thepa ea rabara e nang le UV e ntle le ozone e hanyetsanang le ozone, e netefatsa hore gasket e sebetsa ka nako e telele-e tsitsitseng ka ntle.
Matla a Mechini le Ts'ebetso e Matla ea Mojaro
Ha maemo a ts'ebetso a kenyelletsa ho sisinyeha ho matla, tšusumetso, kapa ts'ebetso e matla ea ho khutlisa, gasket e tlameha ho ba le matla a phahameng a ho taboha le ho hanyetsa ho roala ho boloka botšepehi ba eona nakong ea motsamao o tsoelang pele le liphetoho tsa mojaro. HNBR e na le khanyetso e matla ea ho apara 'me hangata e sebetsa hantle ka tlas'a meroalo e phahameng kapa motsamao o phetoang.
Ho Hanyetsa Khatello
Sehokelo sa ho tiisa hangata se mamella khatello ea kahare kapa kantle. Ka har'a{1}seseteme ea khatello e phahameng, ha gasket e sitoa ho mamella phapang ea khatello, e tla ntšoa kapa e felisoe. FKM ka kakaretso e na le khanyetso e ntle le botsitso ba sebopeho, e leng se etsang hore e lokele{3}} lits'ebetso tse phahameng tsa khatello. Ka linako tse ling, selikalikoe sa "backup" se sebelisoa hammoho le gasket ea rabara e tsamaellanang.
Litekanyo le Mamello
Ehlile, ho ikamahanya le maemo a fapaneng a feteletseng, re hloka ho sebelisa lisebelisoa tse fapaneng tsa rabara, empa ho netefatsa tiiso e ntle ho boetse ho ipapisitse le litekanyo. Ho tiisa haholo ho ka lebisa ho deformation ea ho instola, athe ho hlephileng haholo ho ke ke ha theha matla a lekaneng a clamping.
Papiso ea Lisebelisoa tsa Rubber bakeng sa Maemo a Feteletseng
Tafole e ka tlase e akaretsa thepa ea lisebelisoa tse fapaneng tsa rabara le maemo a fapaneng a ts'ebetso ao li a loketseng.
|
Lintho tse bonahalang |
Mocheso Range |
Molemo ka ho Fetisisa Likopo |
Ho hanyetsa oli |
Khanyetso ea Lik'hemik'hale |
Ho hanyetsa Ozone le UV |
Abrasion Resistance |
Compress Set |
Bofokoli bo ka Sehloohong |
|
NBR (Nitrile Rubber) |
-40 likhato ~ 120 likhato |
Sistimi ea mafura, litiiso tsa oli, lisebelisoa tsa hydraulic |
E kgabane |
E lokileng |
Mafutsana |
E ntle |
E itekanetseng |
Khanyetso e mpe ea botsofali ebile ha e tšoanelehe bakeng sa ho pepesetsoa ka ntle kapa ozone |
|
EPDM (Ethylene Propylene Rubber) |
-50 likhato ~ 150 likhato |
Ho tiisa ka ntle, lisebelisoa tsa mouoane, lisebelisoa tsa metsi a nooang |
Mafutsana |
E ntle |
E kgabane |
E lokileng |
E ntle |
Ha e loketse libaka tsa oli kapa mafura |
|
Rabara ea Silicone |
-60 likhato ~ 200 likhato |
Lithempereichara tse tlase/holimo, lijo-le ho tiisoa ha bongaka |
E lokileng |
E lokileng |
E kgabane |
Mafutsana |
E kgabane |
Matla a fokolang a ho taboha le ho se mamelle ha ho hlaba |
|
FKM (Viton / Fluoroelastomer) |
-20 likhato ~ 250 likhato |
Mocheso o phahameng, lik'hemik'hale tse mabifi, ho hanyetsa mafura |
E kgabane |
E kgabane |
E ntle |
E ntle |
E kgabane |
Theko e phahameng le ho fokotsa ho fetoha ha maemo mocheso o tlase haholo |
|
HNBR (Rabara ea Nitrile e nang le Hydrogenated) |
-40 likhato ~ 150 likhato |
{0}likhatello tse phahameng, lisistimi tsa enjine ea makoloi, lihatsetsi |
E kgabane |
E ntle |
E ntle |
E kgabane |
E ntle |
Litšenyehelo tse holimo, empa li fana ka{0}}lisebelisoa tse holimo tsa ts'ebetso |
Tataiso e Feletseng ea Ts'ebetso ea ho Khetha Li-Gasket tsa Rubber Libakeng tse Feteletseng
Maemong a feteletseng a ts'ebetso, khetho e nepahetseng ea li-gaskets tsa rabara e ama ka kotloloho nako ea bophelo, polokeho le ts'epahalo ea sistimi ea ho tiisa. Ts'ebetso e latelang e tla u thusa ka saense ho khetha gasket e loketseng ka ho fetisisa ea rabara bakeng sa maemo a feteletseng.
Hlalosa Li-Parameters tsa Ts'ebetso ea Bohlokoa
Khetho leha e le efe ea gasket ea rabara e tlameha ho qala ka kutloisiso e pharaletseng ea maemo a sebele a ts'ebetso, ho kenyelletsa mocheso o tsoelang pele oa ts'ebetso, mocheso oa tlhōrō, khatello ea tsamaiso, ho kopana le oli kapa li-solvents tsa acid / alkaline, le hore na tiiso e tsitsitse kapa e matla. Maemo a fapaneng a ts'ebetso a hloka litšobotsi tse fapaneng tsa ts'ebetso ea gasket; ka hona, gasket ea rabara e loketseng e tlameha ho khethoa ho latela maemo a bohlokoa ka ho fetisisa a ts'ebetso.
Khetha Thepa e Matching Rubber Thehiloeng ho Medium Contact
Tšebelisano ea lik'hemik'hale ke ntlha ea mantlha ea hore na rubber gasket e ka sebetsa nako e telele-. Khetho e fosahetseng ea thepa e ka lebisa ho kokobetsa ha rabara, ho ruruha, kapa ho thatafala, kahoo e lahleheloa ke matla a eona a ho tiisa kapele.
Netefatsa Khanyetso ea Mocheso
Lithempereichara tse phahameng li ka potlakisa botsofali ba rabara le ho thatafala, ho etsa hore e lahleheloe ke elasticity; mocheso o tlaase o ka etsa hore rabara e brittle 'me e lahleheloe ke bokhoni ba eona ba ho lumellana le bokaholimo ba ho tiisa. Ka hona, ha u khetha gasket, ke habohlokoa ho etsa bonnete ba hore mocheso oa ho hanyetsa mocheso oa thepa ea rabara o phahame haholo ho feta litlhoko tsa ts'ebetso.
Khetha boima bo nepahetseng
Rubber hardness ka ho toba etsa qeto ea eona compression deformation bokgoni. Boima bo tlase haholo bo ka etsa hore gasket e hatelle kapa e holofale ka mokhoa o feteletseng, athe boima bo phahameng haholo bo tla thibela ho tiisoa ka katleho. Ho thatafala ho nepahetseng ho thibela ka katleho tšenyo ea ho lutla le extrusion.
Netefatsa Maemo a Tšoanang, Tekanyetso ea Tekanyo, le Sebopeho sa ho Tiisa
Esita le haeba thepa e khethiloe ka nepo, haeba boholo ba gasket kapa compression ratio e sa finyelle litlhoko tsa sebopeho, e tla lebisa ho hloleheng ho tiisa. Maemo a phahameng{{1}kapa maemo a feto-fetohang, botenya bo ts'oanang, karo-karolelano e loketseng, le moetso o khahlanong le{2}}extrusion ke tsa bohlokoa.
Nahana ka Lintho Tsa Botsofali
Bakeng sa lisebelisoa tse sebetsang nako e telele, ho tsofala ho tlameha ho nahanoa. Mehaho e metle e thibelang{1}botsofali e ka lelefatsa bophelo ba tiiso haholo, kahoo ea fokotsa nako ea ho sebetsa ha thepa.
Etsa tlhahlobo ea netefatso ha ho hlokahala
Bakeng sa lisebelisoa tse nang le khatello e phahameng, kutu e matla, kapa likotsi tsa polokeho, ho kgothaletswa ho etsa tlhahlobo pele ho khetho ea ho qetela ea gasket ea rabara ho qoba ho lutla ho sa lebelloang kapa ho senyeha ha thepa nakong ea ts'ebetso ea 'nete.
Qetello
Ho khetha rabara e nepahetseng ea gasket tlas'a maemo a feteletseng a ts'ebetso ho hloka kutloisiso ea mefuta e fapaneng ea liraba tse fapaneng, ho kenyeletsoa ho hanyetsa ha tsona ho phahameng le ho tlase{0}}mocheso, ho lumellana le lik'hemik'hale, ho tsofala ha tsona, le matla a mochine. Ke feela ka ho khetha thepa e loketseng ea rabara ea gasket le boholo bo ipapisitseng le maemo a sebele a ts'ebetso ho ka bang le phello e telele-ea tiiso ea nako e telele.
Zhonggao ke moetsi ea ka u fang{{0}likhasete tsa rabara tsa boleng bo holimo. Ka kopoiteanye le ronaho fumana li-gaskets tse tloaelehileng tsa rabara bakeng sa maemo a hau a ho sebetsa a feteletseng.
