Apho kufumaneka khona amatywina anesantya esiphezulu
Isantya esiphezulu se-rotary shaft seals sifumaneka kwizicelo ezininzi.Imizekelo inokubandakanya izixhobo zokudambisa i-cryogenic, iimpompo zokufunxa, izitywina ze-torpedo shaft, iziqalisi ze-injini ye-injini yegesi, kunye neempompo ze-dredge ezingaphantsi kwamanzi.Iinjini ze-AC/DC zihlala zifuna ukutywinwa kwe-shaft yesantya esiphezulu, kwaye inokufumaneka kwizinto ezifana nezixhobo zokuphotha zesixhobo se-CNC kunye nezixhobo zamazinyo okanye zotyando.
Ukusebenza okungenamagingxigingxi
Omnye umba ongundoqo onamatywina anesantya esiphezulu yimfuneko yokusebenza kakuhle, nto leyo ethetha ukuphepha iingxaki ezifana nokutyibilika kwentonga.I-PTFE sisixhobo esifanelekileyo sokuthintela ukutyibilika kwintonga, kwaye ixhasa ukusebenza okugudileyo, okuzolileyo.
Ukukhuhlana
I-friction inokwenza okanye iphule i-high-speed seal.Ngezantya eziphezulu, iziphumo zokukhuhlana zinempembelelo enkulu ekusebenzeni kwetywina.Amatywina e-Shaft kufuneka abe nokukhuhlana okuphantsi kakhulu, kwaye kuba ezinye izicelo zinokukuthintela ukusetyenziswa kwezithambiso, kukho ithuba elihle lokuba imathiriyeli yepolymer efanelekileyo yesitywina esinesantya esiphezulu iya kuzithambisa ngokwazo.
I-PTFE ilungele ukujongana nalo mngeni kuba ine-coefficient esezantsi yokukhuhlana kwayo nayiphi na imathiriyeli eyaziwa ngumntu, kwaye ikwazithambisa ngokwazo.
Amaqondo obushushu anyusiweyo
Omnye wemingeni ephambili kwi-high speed shaft seals kukulawula amaqondo obushushu.Isantya esiphezulu sikhokelela ekwandeni kokuveliswa kobushushu.Ukuveliswa kobushushu kukhokelela ekutshintsheni kwe-dimensional, oku kuthetha ukuba i-high-speed seal kufuneka ibe ne-coefficient encinci yokwandiswa kwe-thermal ukuqinisekisa ukuzinza kwe-dimensional.
Enye injongo kukuqhuba ubushushu kude ne-seal, oku kuthetha ukuba kunye ne-coefficient encinci yokwandiswa kwe-thermal kufuneka izinto zokutywina zibe ne-coefficient ephezulu ye-thermal conductivity.Noko ke, asibubo bonke ubushushu obunokuqhutywa.Isitywina esinesantya esiphezulu kufuneka senziwe ngezinto ezinokubamba amaqondo obushushu aphezulu.
I-PTFE inokusebenza kakuhle kumaqondo obushushu ukuya kuma-500°F.Ine-conductivity entle ye-thermal enokuphuculwa kakhulu kusetyenziswa i-carbon fillers, kwaye ine-coefficient ephantsi yokwandiswa kwe-thermal enokuthi iphuculwe ngokufakela okufana neglasi kunye nekhabhoni.
Ukusebenza kakuhle
Njengoko sele kukhankanyiwe, izitywina zeshaft zesantya esiphezulu zihlala zisetyenziswa ngeenjini ze-AC/DC.Ezi zihlala zincinci kwaye zinokuba namandla ebhetri, zenza ukusebenza kakuhle kube yinto ebaluleke kakhulu.Ukuba ilahleko inokuncitshiswa, ukusebenza kakuhle kunokwandiswa kwaye kube nefuthe elihle kubomi bebhetri.Imathiriyeli yokukhuhlana ephantsi ekhuthaza ukusebenza kakuhle ibalulekile kwezi ntlobo zezicelo, kwaye i-PTFE ngokuqinisekileyo iyalifanela elo tyala.
Ixesha lokuposa: Nov-18-2018