Uyeza ujantshi wokuqala waseChina onqamula ulwandle onesivinini esikhulu phakathi kweFuzhou neXiamen, lapho ibhuloho elixhunywe ngekhebula lakhiwe ngempumelelo ngosizo lweI-PTFE i-polytetrafluoroethylene, inkosi yamapulasitiki.Ake sikhulume ngohlelo lokusebenza lwe-PTFE olwaziwa kancane ngawe.
I-Taicheng Xite Bridge ingelinye lamabhuloho aphakathi kweFujian ne-Xiamen High-speed Railway.Ibhuloho lakhiwe njengebhuloho elingalinganiseli elizungezayo elinekhebula elinesisindo esingamathani angu-38,000.Ubude obuphelele bengxenye ejikelezayo ingamamitha angu-221.3, okuyibhuloho elikhulu kunawo wonke elizungezayo elihlala ikhebula elihlala ujantshi wesivinini esikhulu e-China ngokulingana namathani.
Into enkulu kangaka enamathani anjalo iwuqeda kanjani “uguquko oluhle”?Lokhu ngeke kwenziwe ngaphandle kwe-fluoropolymer esebenza kahle kakhulu: i-teflon sliders.I-slide ye-Teflon encane ingenza kanjani ibhuloho elingamathani ayi-10,000 liphenduke ngokukhululeka?
Umgomo oyisisekelo womzimba ojikelezayo uwukusetha isendlalelo sehinge lebhola phakathi kwesakhiwo esingaphezulu nesingaphansi somzimba ojikelezayo omelana nomfutho ophezulu futhi one-coefficient encane yokungqubuzana.Ihinge lebhola lakhiwe ngehinge lebhola eliphezulu, elilungisiwei-teflon sliderkanye nehinge yebhola ephansi,ngeihinge lebhola eliphezulu neliphansisetholakala ku-turntable ephezulu nangaphansi.
Ngamagama alula, isimiso sifana nediski yokugaya itshe, lapho isisekelo singanyakazi futhi ingxenye engenhla izungeza isikhungo sokugaya.Ngakho amandla okungqubuzana phakathi kwamahinge ebhola adinga ukunqotshwa ngesikhathi sokuzungezisa ukudonsa.Indlela yokunciphisa ukumelana nokungqubuzana kuyinkinga ebalulekile yezobuchwepheshe ekwakhiweni komzimba ojikelezayo.
I-PTFEisilayidiidlala indima ebaluleke kangaka ngenxa yayoukuzithambisa okuhle kakhulu,ephansi kakhului-dynamic and static friction coefficient, nokugugakanye nengcindeziukumelana.Ngemva kokuqeda ukufakwa kwe-PTFEisilayidi,ihinge yebhola engenhla nephansiskanti i-central shaft iboshwe ngayoti-eflon powder grease lubrication medium,okungasenciphisa ifi-riction.Ngaphezu kwalokho, i-shaft ejikelezayo ineI-PTFEithubhu, enganciphisa ukungqubuzana okukhiqizwa ngesikhathi sokuguqula umzimba.Okunjalo aencaneI-PTFEisilayidikufanelehave amandla amangalisayo kangaka!
Izici ze-PTFE
● Ukumelana nezinga lokushisa eliphezulu
Izinga lokushisa layo lokusebenza lingafinyelela ku-250 ℃.
● Ukumelana nezinga lokushisa eliphansi
Inokuqina okuhle kwemishini ekushiseni okuphansi;ngisho noma izinga lokushisa lehlela ku -196 ℃, lingagcina ubude obungu-5%.
● Ukumelana nokugqwala
Ayisebenzi kumakhemikhali amaningi nezincibilikisi, futhi ingamelana nama-asidi aqinile nama-alkali, amanzi kanye nezincibilikisi ezihlukahlukene eziphilayo.
● Ukumelana nesimo sezulu esihle
Inempilo engcono kakhulu yokuguga phakathi kwamapulasitiki.
● Ukugcoba okuphezulu
I-PTFE ine-coefficient ephansi kakhulu yokungqubuzana phakathi kwezinto eziqinile.
● Okunganamatheli
Inokuqina okuphansi kwendawo phakathi kwezinto eziqinile, futhi ayinamatheli kunoma iyiphi into.
Izicelo zenkosi yamapulasitiki
I-PTFE ingenziwa ibe amashidi, amashubhu, izinduku, amafilimu, imicu kanye nezingubo zokumboza ngokusho kokuhlukaniswa komkhiqizo, futhi isetshenziswa kabanzi emikhakheni ehlukahlukene njengamakhemikhali, uphethiloli, izindwangu, ugesi kanye ne-elekthronikhi, ezokwelapha, ezomshini kanye ne-aerospace.
● Ezokwelapha
I-PTFE ayizwani namanzi, inert physiologically, futhi ayinamathiseli, ngakho isetshenziswa ezintweni eziningi zokulungisa izicubu nezinto zesitho sokwenziwa, njengemithambo yegazi yokwenziwa, nolwelwesi olulungisa inhliziyo, njll. I-PTFE ingenziwa inzalo kusetshenziswa noma iyiphi indlela, futhi ungehlisi uma ushiswa ngaphansi kwengcindezi ephezulu noma ulashwa ngama-disinfectants ahlukahlukene.Ngakho-ke, isetshenziswa kakhulu kumishini yezokwelapha efana ne-sutures, ama-pads oyinyumba, nezinaliti zokujova.
● Ezogesi nezikagesi
I-PTFE inezici ezinhle kakhulu ze-dielectric kanye nokuzinza okuphezulu kakhulu kokushisa, futhi iyinto engenakushintshwa kagesi, edlala indima ebalulekile emkhakheni wokufakwa kukagesi nogesi.Isibonelo, indwangu ye-lacquer yengilazi ye-PTFE isetshenziselwa ukukhiqiza izinga lokushisa eliphezulu kanye nezinto zokufaka imvamisa ephezulu, ezingasetshenziswa kwezokuxhumana ngesathelayithi namakhompyutha;Ifilimu ye-PTFEisetshenziselwa ukwenza ama-capacitor njengesendlalelo se-insulation, i-padding nezintambo phakathi kwezinsimbi;I-PTFE amashubhu anezindonga ezincanyana zamakhaliba ahlukene angasetshenziselwa imikhono yocingo lomthofu, amashubhu ancipha ukushisa namashubhu azungezayo, namapayipi omthofu afakwe afakwa amajeneretha, njll.
Emkhakheni wezokuxhumana we-5G, i-PTFE iphinde isetshenziswe kabanzi kuzihlungi zesiteshi sesisekelo, i-PCB/FPC enesivinini esiphezulu se-high-frequency, inqubo ye-chip ye-5G kanye nezixhumi ze-high-frequency kanye nezintambo.Njengamanje, izihlungi ze-5G ezisetshenziswa abathengisi abakhulu bemishini yokuxhumana zisakhiwe ngezihlungi zensimbi, ezisebenzisa izingxenye eziningi ze-PTFE ukuze zisekele futhi zifake.
● Ezomshini
Kunoma yiluphi uhlobo lomshini nemishini, ukuthambisa kufanele kwenziwe endaweni ehambisanayo eshelelayo ngesikhathi sokusebenza ukuze kuncishiswe isici sokungqubuzana, ukunciphisa ukuguga nokushisa kwezingxenye, kuqinisekiswe umthamo ojwayelekile wokusebenza, ukunemba kanye nokusetshenziswa kwamandla komshini nemishini.I-PTFE's low coefficient of friction and self-lubricating properties ivumela ukuthi isetshenziswe ekwenziweni kwamabheringi, amasongo episton, imihlahlandlela yamathuluzi omshini nezinto zokuvala, kodwa ngokuvamile isetshenziswa kumathuluzi anembayo noma ezindaweni ezimelana ne-asidi ne-alkali ngoba kuyabiza.
● Indwangu
I-PTFE enwetshiwe(i-e-PTFE) ifilimu i-laminated ngezindwangu ezivamile ukuze zenze izindwangu ezinamanzi ezinamanzi ezingenamanzi kanye nomswakama.Izici zayo ezinhle kakhulu zamandla aphezulu, ukushwabana okuphansi, ukunganaki kanye nokuguga kwe-UV kwenza i-e-PTFE ifake indwangu yokuzikhethela yezingubo zemidlalo yangaphandle.Ngaphezu kwalokho, kuvame ukwenziwa amasudi okucisha umlilo, amasudi kasomkhathi, amasudi okuvikela ezempilo, amasudi okulwa ezempi, izikhwama zokulala namatende angasindi.
● Ezezimoto nezokuthutha
Kumpahla yophawu lwezimoto zezimoto, ingahlukanisa izingxenye ezidinga ukugcotshwa ezingxenyeni zokudlulisela ezingxenyeni eziphumayo ukuvimbela ukuvuza kukawoyela wokugcoba.Ifilimu ephefumulayo ye-PTFE isetshenziswa ezibani zezimoto ukulinganisa ingcindezi ngaphakathi nangaphandle kwezibani futhi ivimbele ukungcoliswa okulethwa amanzi, uthuli, noketshezi lwezimoto, njll.
● Amakhemikhali
I-PTFE, ngenxa yokumelana nokugqwala kwayo, isetshenziswa njengezinto ezilwa nokugqwala ukwenza izingxenye ezihlukahlukene zokulwa nokugqwala, njengamapayipi, amavalvu, amaphampu nokufakwa kwamapayipi.Emishinini yamakhemikhali, ingenza ulayini kanye nokunamathelisa ama-reactors, imibhoshongo ye-distillation kanye nemishini yokulwa nokugqwala.
Thola umkhiqizi we-PTFE ongcono kakhulu
Ukuze usebenzise kakhulu imikhiqizo ye-PTFE, ungakhetha okungcono kakhulu umkhiqizi we-PTFE, kanye ne-SuKo, yaseShayina eyaziwa kakhulu.Umkhiqizi wamashubhu we-PTFE, uyisinqumo esingcono kakhulu.Ingcweti kwe-PTFE/UHMWPE extrusion kanye nemikhiqizo ngezinhlobo namamodeli ahlukahlukene, u-Suko uhlala ehamba phambili embonini ye-Tetrafluorohydrazine ngokusungula izinto zobuchwepheshe, ubungcweti nobunhloli kokubili ngaphakathi nangaphandle.
Isikhathi sokuthumela: Aug-05-2022