Kodi Chitsulo Chosapanga Dzimbiri Cholukidwa ndi PTFE Paipi ndi Chiyani?
Mapayipi a PTFE poyamba ankagwiritsidwa ntchito m'makina a hydraulic kapena pneumatic kapena m'magawo a ndege ndipo anayamba kutchuka mwachangu. Mapayipi ndi machubu opangidwa ndi polytetrafluoroethylene amagwira ntchito bwino m'malo ovuta komanso m'mafakitale, kotero kugwiritsidwa ntchito kwawo m'mafakitale kukukwera. Chifukwa cha kupezeka kwake kwambiri m'mafakitale komanso magwiridwe antchito ake abwino kwambiri, zinthu za PTFE ndi zinthu zofunika kwambiri m'misika yamafakitale, zamankhwala komanso ya ogula, komwe zimagwiritsidwa ntchito osati m'njira zachikhalidwe zokha, komanso m'njira zosakhala zachikhalidwe komanso zachilendo.
Kodi payipi yolumikizidwa ndi PTFE ndi chiyani?
Thepayipi ya PTFEndi chubu chopangidwa ndi mkati mwa PTFE ndi chivundikiro chakunja choteteza. Chophimba cha PTFE chimafanana ndi chubu cha PTFE chokhala ndi chivundikiro chakunja choteteza, zomwe zimawonjezera kukana kwake kupsinjika. Kuphatikiza kwa chivundikiro chakunja ndi mkati mwa PTFE kumapangitsa payipi kukhala chida chofunikira kwambiri pazinthu zambiri.
Makhalidwe a chitoliro cha PTFE
Chitoliro cha PTFE chili ndi makhalidwe awa:
Kukana kutentha ndi kukana kuzizira
chosungira
Palibe poizoni, kuyera kwambiri
Kutsika kwambiri kwa mpweya
Woletsa kutopa
Kulemera kochepa
Yosavuta kuyeretsa ndi kupha tizilombo toyambitsa matenda
Kulimbana ndi UV ndi ozoni
Mankhwala osagwira ntchito
Kukana madzi
Kukana kugundana
wotsutsa-static
kusungunuka kwa mapaipi a PTFE
Zinthu zotsatirazi ziyenera kuganiziridwa posankha machubu a PTFE kuti agwiritsidwe ntchito pa ntchito inayake.
Bore yosalala kapena mtundu wokhotakhota: Zinthu zazikulu zomwe zimasiyanitsa mapayipi a PTFE ndi radius yopindika ndi kukula kwake. Kubowoka kwa dzenje losalala ndi kochepera kapena kofanana ndi inchi imodzi. Nthawi yomweyo, radius yopindika ya payipi yosalala idzakhala yaying'ono kwambiri ya mainchesi 12, ndipo dzenje lopindika lidzakhala yaying'ono kwambiri ya mainchesi 3.
Yosayendetsa kapena yoyendetsa: Mphamvu yokhazikika ndi mphamvu yomwe imapangidwa ndi njira ina pamene mphamvu ikuyenda kudzera mu payipi ya PTFE pa liwiro lalikulu. Ngati munyalanyaza mphamvu zamagetsi izi, zingayambitse zinthu zoopsa monga kuphulika. Chifukwa chake, mapayipi a PTFE nthawi zina amapangidwa ndi zinthu zapadera zotsutsana ndi mphamvu yokhazikika kuti apewe kusonkhanitsa magetsi okhazikika.
Kukhuthala kwa khoma la payipi ya PTFE: makulidwe a khoma la payipi yolukidwa ndi PTFE ndi osiyana. Mu ntchito zomwe mapayipi amapindika kwambiri, makoma okhuthala ndi omwe amasankhidwa poyamba chifukwa amakhala ndi kukana bwino kugwedezeka. Makoma okhuthala a payipi amaperekanso mpweya wochepa kulowa, koma amatenga malo ambiri.
Zipangizo zolukira: Kulukira kwa chitsulo chosapanga dzimbiri 304 nthawi zambiri kumakhala chinthu chomwe anthu amasankha nthawi zambiri. Komabe, pa ntchito zakunja, gwiritsani ntchito kulukira kwa chitsulo chosapanga dzimbiri 316. Kuphatikiza apo, ngati payipi ikugwiritsidwa ntchito pamalo owononga kwambiri, kulukira komwe kumagwiritsidwa ntchito kuyenera kupangidwa ndi chitsulo chosapanga dzimbiri. Kuphatikiza apo, kulukira kuyenera kupangidwa ndi bronze, ngati payipiyo idzagwiritsidwa ntchito pamalo okangana kwambiri chifukwa cha mafuta ake abwino.
Kugwiritsa ntchito chitoliro cha PTFE
Malo oyeretsera mafuta ndi gasi
Chomera cha Zitsulo
fakitale yamagetsi
Mpweya wopangira mapepala
Makampani opanga mankhwala
Makampani opanga feteleza
Makampani opanga mankhwala
Boiler ya mafakitale
Mpweya wozizira komanso woziziritsa
Malo opangira zida za nyukiliya
makampani opanga magalimoto
Madoko ndi malo opangira zombo
Posankha payipi yoyenera ya PTFE, makampaniwa angagwiritse ntchito bwino kwambiri PTFE ndikupeza zabwino zambiri kuchokera pamenepo. Kusankha zipangizo zoyenera kumabweretsa magwiridwe antchito abwino komanso mtengo wotsika wa umwini, mosasamala kanthu komwe chinthucho chikugwiritsidwa ntchito.
Paipi ya PTFE yolukidwa ndi chitsulo chosapanga dzimbiri (core conductive)
Paipi ya PTFE yolukidwa ndi chitsulo chosapanga dzimbiri(conductive core) PTFE yolimbana ndi mankhwala ilibe mankhwala onse ogulitsa, ma acid, ma alcohols, ma coolants, ma elastomers, ma hydrocarbons, ma solvents, ma synthetic compounds ndi mafuta a hydraulic. Yolimbana ndi kutentha kwambiri, imatha kuthana ndi chilichonse kuyambira kutentha kochepa mpaka nthunzi yonse mu payipi imodzi. Kutentha kwake ndi -65°~450°. Chifukwa cha mphamvu ya PTFE yoletsa kuuma, kuthamanga kwa madzi ambiri komanso kupsinjika kochepa, simudzakumana ndi kutsika kwa mphamvu kochepa komwe kumachitika chifukwa cha kuyika kwa mphamvu pakati. Yosavuta kuyeretsa, kulola payipi imodzi kugwiritsidwa ntchito m'njira zosiyanasiyana. Yosinthasintha komanso yopepuka, ndi yosavuta kusuntha, kugwira ndi kuyika kuposa ma hose a rabara, ndipo ili ndi kupanikizika kofanana. Imatha kupindika mosalekeza komanso kugwedezeka popanda kulephera chifukwa cha kutopa kopindika. Yosanyowa, yosagwira hygroscopic, yoyenera kwambiri pa michira ya nkhumba mu makina ogwiritsira ntchito mpweya wambiri komanso pneumatic, mame ochepa ndiye chinsinsi. Ndi yosavuta kugwira zinthu zosamata monga zomatira, asphalt, utoto, mafuta, guluu, latex, lacquer ndi utoto. Kusagwira ntchito kwa mankhwala sikudzawola kapena kuwonongeka mukamagwiritsa ntchito. Palibe ukalamba, wosakhudzidwa ndi nyengo, womwe ungasungidwe kwa nthawi yayitali popanda kukalamba. Sudzakalamba ukagwiritsidwa ntchito. Wosagwedezeka, wosakhudzidwa ndi kupindika kosalekeza, kugwedezeka kapena kukakamizidwa ndi mphamvu, ndipo amatha kupirira kuzizira ndi kutentha kosinthasintha.
Polytetrafluoroethylene ndi fluoropolymer yopangidwa mwaluso. Chimodzi mwa makhalidwe ake akuluakulu ndi kukana kwake mankhwala; kutentha kwakukulu kwa -100F mpaka 500F (-73C mpaka 260C) kumapangitsa izi. Zipangizo za payipi ndizoyenera madzi ambiri ndi kutentha kwapakati m'makampani; coefficient yotsika kwambiri (0.05 mpaka 0.20) ingapereke malo osamatirira; kuyamwa kwa madzi kwa PTFE n'kochepa, ndipo mayeso a ASTM ndi ochepera 0.01%. Kuphatikiza apo, yavomerezedwa ndi FDA kuti igwiritsidwe ntchito muzakudya ndi mankhwala. Paipi yamkati ya PTFE "PTFE" yokhala ndi mabowo osalala imafinyidwa molunjika kuti isunge mawonekedwe apamwamba kwambiri. Yopangidwa ndi utomoni wapamwamba kwambiri wa polytetrafluoroethylene, 304 yolimba ya waya wosapanga dzimbiri, kuchuluka kwa kaboni wakuda kumawonjezedwa ku polytetrafluoroethylene (PTFE) core kuti ipereke njira yopitilira yoyendetsera zitsulo, ndikutulutsa mu nthunzi kapena ntchito zoyenda kwambiri. Magetsi osasunthika. Kugwiritsa ntchito mosalekeza: -65°~450°(-54°~ 232°) Kugwiritsa ntchito nthawi ndi nthawi: -100°~ 500°(-73°~ 260°) Kukwaniritsa kapena kupitirira zofunikira za SAE 100R14. PTFE ikukwaniritsa FDA 21 CCFR 177.1550
Kusaka kokhudzana ndi payipi ya ptfe:
Nthawi yotumizira: Marichi-23-2021