Li-gasket le li-o-rings ke litiiso tse tloaelehileng tsa mochini tse behiloeng lipakeng tsa li-substrates tse arohaneng e le ho thibela ho lutla ha li-substrates li hokahane. Litiiso tse nang le mocheso o phahameng li ka 'na tsa tsebahala ho feta mocheso o tlaase, empa maemong ao ka bobeli, sealant se tlameha ho finyella litlhoko tsa thepa ho mamella mocheso o feteletseng, khatello e matla le ho apara kamehla. Ka hona, ho bohlokoa ho tseba hore na mocheso o ama joang li-gaskets, li-o-rings, le mefuta e meng ea litiiso ho netefatsa hore ts'ebeliso ea tsona e matla hoo e ka sebetsang joalo ka ha ho reriloe libakeng tse fapaneng.
Lisebelisoa le Lisebelisoa tsa Li-Sealants tsa Mocheso o Phahameng
Ka sebele, thepa ea mechine ea li-gaskets le o-rings e hlalosoa ke kopo ea bona. Tšebeliso ea bona hangata e amahanngoa le lienjineri tsa liindasteri tse joalo kakoloi,sefofane,tsa metsing, le tsa temo , empa li- sealant le tsona li teng ka har'a mechini e sebelisoang lifemeng, lifemeng le litsing tsa tlhahiso. Ho ka etsahala hore ebe kae kapa kae moo enjene kapa mochini o sebetsang o tiisitsoe ka sealant e tlase kapa e phahameng ea mocheso e tlamehang ho ba le thepa ea mochini e hlokahalang ho sebetsa ka katleho maemong a feteletseng.
Lisebelisoa tsa litiiso li tsoa ho rabara, kapa ho feta, elastomers, polymer ea maiketsetso ea elastic. Polima e ka phekoleha ho ntlafatsa thepa ea mochini e ikhethileng ts'ebetsong ea eona. Lintho tsa mochini li ka kenyelletsa tlhoko ea ho feto-fetoha ha maemo, ho monya, matla a ho tsitsa, le ho hana meokho, tikoloho e senyang, kapa bokhoni ba ho mamella mocheso o feteletseng kapa serame. Mohlala, lisebelisoa tsa elastomeric bakeng sa selikalikoe sa o-thempereichara e phahameng li ka etselitsoe ho sebetsa ts'ebelisong e tlas'a kutu le mocheso o feteletseng, kapa tse etselitsoeng mocheso o tlase, ts'ebetso e thibelang ho taboha. Boemong bo bong le bo bong, baenjiniere ba tlameha ho tseba hore na lisebelisoa tsa mochini oa tiiso li tla arabela joang ho matla a karabelo, ke hore, mocheso le hore na o tla ama tiiso joang e le ho netefatsa botšepehi ba karolo.
Lithempereichara tse Phahameng le tse Tlaase li Ama Litiiso Hakae?
Boitsebiso bo bong le bo bong bo na le moeli o phahameng kapa o tlaase oa mocheso oo, hang ha o fihletsoe, thepa e tla hlōleha. E laoloa ke coefficient of thermal expansion (CTE), ho fokotseha kapa ho atolosoa ha thepa ho etsahala ha thepa e pholile kapa e futhumala. Likhatello tse hlahang mochesong o tlase li ka 'na tsa se ke tsa etsahala maemong a phahameng a mocheso le ka tsela e fapaneng. Ho thibela ho hloleha, li-gaskets, li-o-rings le lisebelisoa tse ling tsa ho tiisa elastomeric li tlameha ho ba le metsoako e itseng e kenyelletsoeng ho netefatsa hore thepa ea eona ea mechine e ka mamella mocheso o hlokahalang. Ho bohlokoa ho tseba moeli oa mocheso oa seal pele o kenya kopo ho qoba ho hloleha ha karolo.
Litiiso tsa Mocheso o Tlase
Lisebelisoa tsa mocheso o tlase bakeng sa liqibi li bohlokoa ho liindasteri tse 'maloa.Meriana, meriana, sepakapaka, petrochemical, oli, le gase, lijo le lebese kaofela li itšetlehile ka li-sealants tse tlamehang ho sebetsa maemong a mocheso o tlase. Ha tiiso e fihla moeling oa eona oa mocheso o tlase e tla thatafala, e satalla, e qala ho lahleheloa ke matla a eona a ho thetheha le ho tenyetseha, le ho peperana. Ha mocheso o theoha, ka nako e 'ngoe e tla kena karolong ea phetoho ea khalase' me e be khalase le brittle. Haeba boemo ba phetoho ea khalase bo etsahala, le hoja ho ka 'na ha e-ba le elasticity e itseng, tiiso e ke ke ea hlola e sebetsa. Hang ha tsela e lutlang e entsoe ka har'a tiiso, esita le ka mor'a hore mocheso o khutlele ho "tloaelehileng," tsela ea ho lutla e tla sala.
Litiiso tsa Mocheso o Phahameng
Lisebelisoa tsa mocheso o phahameng bakeng sa litiiso, joalo ka lienjineng, le tsona li hloka thepa e nepahetseng ho thibela ho lutla le ho hloleha. Maemo a tikoloho kapa mocheso o feteletseng le o feteletseng o tla fokotsa butle-butle lisebelisoa tsa elastomeric mme boemo ba ts'ebetso bo tla senyeha. 'Nete ke hore matla a elastomer a ho hanela ho senyeha ha mocheso o bapala karolo ea bohlokoa ho matla a eona a ho sebetsa ka katleho e le tiiso ha nako e ntse e ea. Ho netefatsa botsitso ba mocheso, thepa e khethiloeng bakeng sa kopo ea sealant e phahameng ea mocheso e lokela ho lekoa ka botsofali ba mocheso.
Ho hlakile hore lienjiniere tsa meralo li tseba hantle hore ho feto-fetoha ha mocheso ho ka fetola sebopeho sa mochini oa elastomer. Mmarakeng oa kajeno, li-elastomer li lekoa ho fihlela litlhoko tsa ts'ebetso ea mocheso. Li-gaskets, li-o-ring le litiiso tse ling li etselitsoe libaka tse itseng tsa mosebetsi. Leha ho le joalo, ke boikarabello ba moreki ho tseba kapa ho hlokomela hore ha se "sela" "sela" feela se tla lekana ho tiisa. Ho qoba mathata le ho lutla lits'ebetsong tsa ho tiisa, le hore tiiso ea hau ea rabara e tla sebetsa ka botlalo,buisana le morekisi oa hau'me u ba lumelle hore ba u tataise ka mokhoa oo.
Nako ea poso: Dec-17-2019