He aha te ngongo PTFE whiri maitai kore waikura?
I te tīmatanga, i whakamahia ngā ngongo PTFE i roto i ngā pūnaha waipēhi, hau rānei, i roto rānei i te rāngai rererangi, ā, i tere tonu te rongonui. He pai te mahi a ngā ngongo me ngā ngongo i hangaia ki te polytetrafluoroethylene i raro i ngā āhuatanga taiao me ngā āhuatanga ahumahi uaua, nō reira kei te piki haere te whakamahinga arumoni i roto i te ahumahi. Nā te nui o te wātea arumoni me tōna mahi tino pai, he taonga nui ngā hua PTFE i roto i ngā mākete ahumahi, hauora me te kaihoko, e whakamahia ana i roto i ngā tikanga tuku iho, engari i roto hoki i ngā tikanga kore tuku iho me ngā tikanga rerekē.
He aha te ngongo PTFE kua whakakikoruatia
TeNgongo PTFEhe ngongo i hangaia mai i te arai PTFE o roto me te uhi tiaki o waho. He rite te arai PTFE ki te ngongo PTFE me te uhi tiaki o waho, e whakanui ana i tōna ātete ki te pēhanga. Mā te whakakotahitanga o te uhi o waho me te arai PTFE o roto ka waiho te ngongo hei taputapu nui i roto i ngā tono maha.
Ngā āhuatanga o ngā paipa PTFE
Ko ngā āhuatanga o te paipa PTFE e whai ake nei:
Te ātete wera me te ātete makariri
tiaki
Kāore he paitini, he tino parakore
He tino iti te uruhanga
Ārai-ngenge
Mama te taumaha
He pai mō te patu huakita me te horoi
Ātete ki te UV me te ozone
Kāore i te kaha te mahi matū
Ātete wai
Ātete pānga
ārai-pūmau
te whakakorikori i ngā paipa PTFE
Me whai whakaaro ki ngā āhuatanga e whai ake nei mō ngā ngongo PTFE ina whiriwhiria ana mō tētahi tono motuhake:
Momo pūwero maeneene, momo piko rānei: Ko ngā āhuatanga matua e wehewehe ana i ngā ngongo PTFE ko te pūtoro piko me te rahi. Ko te pūwhera o te kōhao maeneene he iti iho i te kotahi inihi, he ōrite rānei. I taua wā anō, ko te pūtoro piko o te ngongo maeneene ko te 12 inihi te iti rawa, ā, ko te kōhao piko ko te 3 inihi te iti rawa.
Kore-arahi, he arataki rānei: Ko te utu pumau ko te utu e puta mai ana i tētahi reo ina rere te utu i roto i te ngongo PTFE i te tere teitei. Ki te kore koe e aro ki ēnei utu hiko pumau, ka puta pea he āhuatanga morearea pēnei i te pahūtanga. Nō reira, i ētahi wā ka hangaia ngā ngongo PTFE ki ngā rauemi ārai-pumau motuhake hei karo i te kohikohi hiko pumau.
Te matotoru o te pakitara o te ngongo PTFE: he rerekē te matotoru o te pakitara o te ngongo whiri PTFE. I ngā tono e tino piko ana ngā ngongo, ko ngā pakitara matotoru te mea tuatahi hei whiriwhiri nā te mea he pai ake te ātete ki te piko. Ka iti ake hoki te urunga o te hau e ngā pakitara matotoru o te ngongo, engari he nui ake te wāhi e nohoia ana e rātou.
Rauemi whiri: Ko te whiri kowiri tira 304 te rauemi e pai ana te whiriwhiri i te nuinga o ngā wā. Heoi, mō ngā mahi ki tāwāhi, whakamahia te momo whiri kowiri tira 316. Hei tāpiri, ki te whakamahia te ngongo i roto i te taiao tino waikura, me hanga te whiri e whakamahia ana ki te kowiri tira. Hei tāpiri, me hanga te whiri ki te parahi, mehemea ka whakamahia te ngongo i roto i te taiao waku nui nā te mea he pai ōna āhuatanga whakahinuhinu.
Te whakamahinga o te paipa PTFE
Te whare whakapūkara hinu me te hau
Te Whare Hanga Rino
te tipu hiko
Mira pepa
Ahumahi rongoā
Ahumahi tongi
Ahumahi matū
Pūwero ahumahi
Te hauhautanga me te pouaka whakamātao
Te whare karihi
umanga motuka
Ngā tauranga me ngā wāhi hanga kaipuke
Mā te whiriwhiri i te ngongo PTFE tika, ka taea e te umanga te whakamahi i te kounga pai o te PTFE me te whiwhi i ngā painga maha mai i a ia. Mā te whiriwhiri i te rauemi tika ka pai ake te mahi, ā, ka iti ake te utu o te mana pupuri, ahakoa kei hea te hua e whakamahia ana.
Ngongo PTFE whiri kowiri tira (uho kawe hiko)
Ngongo PTFE whiri kowiri tira(upoko kawe) ātete matū PTFE, tata kore rawa i ngā matū arumoni katoa, waikawa, waipiro, whakamatao, elastomers, hauwaiwaro, whakarewa, matū hangai me ngā hinu waipēhi. He ātete pāmahana teitei, ka taea e ia te whakahaere i ngā mea katoa mai i te pāmahana iti ki te mamaoa i roto i te ngongo kotahi. Ko te awhe pāmahana he -65°~450°. Nā ngā āhuatanga ārai-piri o te PTFE, te tere rere teitei me te waku iti, kāore koe e pāngia e ngā hekenga pēhanga iti i puta mai i ngā putunga ki te upoko. He ngāwari ki te horoi, ka taea te whakamahi i te ngongo kotahi i roto i ngā tono maha. He ngāwari me te mama, he ngāwari ake te neke, te whakahaere me te tāuta i ngā ngongo rapa, ā, he rite te whakatauranga pēhanga pakū. Ka taea te tu atu ki te piko tonu me te wiri me te kore e rahua nā te ngenge piko. He ātete makuku, kāore e hygroscopic, he pai mō ngā pigtails i roto i te whakahaere hau nui me ngā pūnaha hau, ko te iti o te tohu tomairangi te mea nui. He ngāwari ki te whakahaere i ngā matū kore-piri pērā i te piripiri, te uku, ngā tae, te hinu, te kāpia, te rapa, te laketa me te peita. Kāore te koretake o te matū e pirau, e heke rānei i te wā e whakamahia ana. Kāore e tawhito, kāore e pāngia e te rangi, ka taea te penapena mō te wā roa me te kore e tawhito. Kāore e tawhito i te wā e whakamahia ana. Ātete ki te ru, kāore e pāngia e te piko tonu, te wiri, te pēhanga pānga rānei, ā, ka taea te tu atu i ngā huringa taupatupatu o te makariri me te wera.
He fluoropolymer hangarau te Polytetrafluoroethylene. Ko tētahi o ōna āhuatanga matua ko tōna ātete tino pai ki ngā matū; he whānui te awhe pāmahana mai i te -100F ki te 500F (-73C ki te 260C) e hanga ana i tēnei. He pai te rauemi ngongo mō te nuinga o ngā wai me ngā āhuatanga pāmahana taiao i roto i te umanga; he iti rawa te tauwehenga waku (0.05 ki te 0.20) ka taea te whakarato i te mata kore-piri; he iti noa te mimiti wai o te PTFE, ā, he iti iho i te 0.01% te whakamātautau ASTM. I tua atu, kua whakaaetia e te FDA mō te whakamahi i roto i te kai me te rongoā. Ko te ngongo matua o roto o te PTFE "PTFE" he kōhao maeneene ka pēhia poutū kia mau tonu te kounga teitei o te kōpikopiko. He mea hanga ki te kapia polytetrafluoroethylene kounga teitei, he whakakaha whiri waea kowiri tira 304, ka tāpirihia he nui o te pango waro ki te matua polytetrafluoroethylene (PTFE) hei whakarato i te ara kawe tonu mō ngā hononga pito whakarewa, me te tuku i te hiko pumau i roto i ngā tono mamaoa, rere nui rānei. Te whakamahinga tonu: -65°~450°(-54°~ 232°) Te whakamahinga wā poto: -100°~ 500°(-73°~ 260°) Ka tutuki, ka hipa rānei i ngā whakaritenga o te SAE 100R14. Ka tutuki te PTFE i te FDA 21 CCFR 177.1550
Ngā rapunga e pā ana ki te ngongo ptfe:
Wā tuku: Maehe-23-2021