PTFE fini min bɛ funteni caman bɔ, o bɛ kɛ ka caya i n’a fɔ kuran fɛnɲɛnamafagalanw nɛgɛw sirili la, transformateur layɛrɛw la, motɛriw ka windingɛw la, ani sɛrɛkiliw la minnu bɛ kɛ ni frequence caman ye. Nka funteni caman yeli – k’a ta nɛnɛba la ka taa a bila funteni jugumanba la – o b’a ka insulasi kɛcogo Changer. Yala aw bɛ se ka aw jigi da PTFE fini kan 200°C la wa? Mun bɛ kɛ 260°C sanfɛ?
Jaabi ye nuancɛ ye. PTFE ka molekiyɔmu jɔcogo b’a to a bɛ se ka fɛnw tanga kosɛbɛ a ka baarakɛyɔrɔ fanba la, nka ni a tɛmɛna 260°C kan, o bɛ tiɲɛni daminɛ min tɛ se ka segin kɔ. Wa hali ni nɛnɛ bɛ kuran nafa bonya, o bɛ finimugu kɛ ka tiɲɛ.
Aokai PTFE ye insulasi jogo kɔrɔbɔ funteni hakɛ dantɛmɛnenw bɛɛ la. Nin barokun in bɛ baarakɛcogo tila ka kɛ yɔrɔ saba ye: baarakɛcogo nɔgɔman (-180°C ka se 260°C ma), a ka bon kosɛbɛ (>260°C), ani funteni dɔgɔyalen (<0°C), ni kunnafoni jɔnjɔnw ye minnu bɛ tali kɛ rezistiviti, dielektriki fanga, ani a nɔfɛkow la.
O seko in kɔnɔ, PTFE fini min bɛ funteni caman na, o bɛ kuran sɛnɛcogo ɲuman ni sabatilen mara – nafa jɔnjɔn min b’a dɛmɛ ka baara kɛ ni izini caman ye.
Fɛɛrɛ : Rezisti bɛ jigin dɔɔni dɔɔni ni funteni bɛ ka wuli bawo funteni caman bɛ PTFE molekiyɔmu cakɛdaw ka funteni lamagacogo fanga bonya ani ka nɔgɔ taamasiɲɛw tabaga teliya. Nka hali ni a bɛ 200°C la, PTFE bɛ baara kɛ ka tɛmɛ ɛntɛrinɛti plastiki fanba kan so funteni na.
Kɔlɔsili kɛ dugukolo sanfɛla kɛlɛli kan: Sanfɛla kɛlɛli bɛ se ka kɛ ni lamini nɛnɛ ye kosɛbɛ. PTFE bɛ ɲini ka kɛ jiko ye; dugukolo sanfɛla nɔgɔ bɛ wuli ni funteni kɔrɔtalen don, o bɛ dugukolo sanfɛla lamini sabatilen di ka tɛmɛ so kɔnɔ nɛnɛ ka bon.
2. Dielektriki fanga (Breakdown Voltage) .
A bɛ dɔgɔya ni funteni bɛ ka wuli. Molecules thermal movement jugumanba bɛ kɛ sababu ye ka fɛn in kɛ fɛn ye min bɛ se ka tiɲɛni kɛ kuran-yɔrɔ la.
K’a ta so funteni na ka se 200°C ma, waati kunkurunnin dielektriki fanga bɛ jigin ni 20%–40% ɲɔgɔn ye ..
Hali n’o kɛra, fini ɲuman min janya bɛ milimɛtɛrɛ 0,1 lamini, o bɛ kilovolti caman muɲu hali bi (walima kilovolti tan ni tan ni a girinya ka bon) 200°C la – insulasi seko barikama bɛ mara.
Mun na nin nafa ka bon : PTFE ka molekiyɔmu jɔcogo simetriki kosɛbɛ ani a ka polarisation ultra-low bɛ taamasiyɛnw cicogo sabatilen garanti ani ka funteni bɔli ultra-low lase baara ma min bɛ kɛ ni frequency high & high-temperature ye. O b’a to PTFE bɛ se ka kɛ fɛn ɲuman ye min bɛ se ka fɛnw tanga, minnu bɛ se ka kɛ ni fɛn caman ye , RF ni mikrowɛn baara kama.
Aokai PTFE fini min bɛ funteni caman bɔ, o ɲɛfɔlen don kiliyanw fɛ ka ɲɛsin transformateur insulation ma min bɛ kɛ ni frequence caman ye k’a sababu kɛ a Dk sabatilen ye (2,05±0,05) ani tanδ min ka dɔgɔ kosɛbɛ (0,0002-0,0005) -50°C fo 200°C cɛ. An bɛ dielektriki nafa sɛgɛsɛgɛli rapɔɔriw di ni ɲinini kɛra.
Funteni hakɛ min ka bon kosɛbɛ: A bɛ tɛmɛ 260°C kan – Tiɲɛni min tɛ se ka wuli
Ni aw tɛmɛna PTFE ka baarakɛyɔrɔ funteni min bɛ se ka kɛ waatijan kɔnɔ, o bɛ farikolo ni kemikaliya tiɲɛni bila senkan min tɛ se ka segin kɔ – a tɛ kɛ sababu ye ka nafolo caman ɲɔgɔnna caman wuli.
Funteni hakɛ (funteni hakɛ) hakɛ
Materiel State (Materiel État).
Insulasi cogoya
260°C – 327°C ye
PTFE dacogo bɛ nɔgɔya; masin fanga bɔnɛna kosɛbɛ. Kɛnɛma degun walima kuran doni bɛ kɛ sababu ye nɔgɔya la ka kɛ sababu ye ka finimugu sɔgɔsɔgɔ ani ka a sɔgɔ → masin ni kuran dɛsɛ faralen ɲɔgɔn kan hali ni kuran paramɛtiriw kolomaw tora ka sɔn
Da a tɛ se ka da a kan – farati min bɛ sɔrɔ sɔgɔsɔgɔninjɛ la
Sanfɛ 327°C
A bɛ Se PTFE ka kristali wuliyɔrɔ ma. PTFE gɛlɛn bɛ wuli ka kɛ cogo la min bɛ se ka wuli kosɛbɛ walima ka kɛ jeli ye, o bɛ bɔnɛ a jɔcogo dafalen na
A bɛ se ka fɔ ko a bɛɛ bɛ dɛsɛ
A ka ca ni 400°C ye
Ni funteni tiɲɛni jugumanba bɛ gazi faratilenw bɔ. Karɔbɔli ni tɛmɛsira minnu bɛ taa ni fɛnw ye, olu bɛ kɛ fɛn kɔnɔ → volume resistivity bɛ jigin kosɛbɛ, insulation bɛ tiɲɛ kudayi
Dɛsɛ dafalen – sira minnu bɛ taa ni fɛnw ye, olu bɛ sɔrɔ
Lakɔlɔsili gɛlɛn : Hali ni basigi fibreglasi fini bɛ se ka 550-750°C muɲu sani a ka nɔgɔya, fibreglasi lankolon min ma datugu, o bɛ ji minɛ joona PTFE dacogo dɛsɛlen kɔfɛ, wa a tɛ se ka kɛ a yɛrɛma ka kɛ insulasi ye min bɛ kɛ ni tensionba ye.
Funteni dɔgɔyalen hakɛ: 0°C duguma – Kuranko ɲɛnabɔlen nka masin min bɛ se ka tiɲɛ
Ta
A nɔ bɛ 0°C duguma
A jiracogo min bɛ se ka kɛ
Volume (volume resistivity) bɛ se ka kɛ
Dɔ farala – funteni dɔgɔyali bɛ molekiyɔmu cakɛda lamagacogo datugu, ka tabaga jiginni bali
Kuran sɔgɔli ka fisa ni so funteni ye
Dielektriki fanga
Dɔ bɛ fara a kan – fɛn min bɛ se ka tiɲɛ kosɛbɛ
A ka ɲi kosɛbɛ insulasi kɛli la ni kiriyɔzɛni ye
Masinaw ka sɛgɛsɛgɛli
PTFE bɛ kristalɛ fasa jiginni kɛ ~19°C la; bɛ kɛ fɛn ye min bɛ se ka tiɲɛ kosɛbɛ -79°C duguma
Kɔrɔta walima a gosi bɛ se ka PTFE dacogo kari → a bɛ insulasi nafamafɛnw bila
Fɛn min bɛ taa ni a ye: Hali ni kuran sɔgɔli bɛ bonya funteni dɔgɔyalen na, PTFE dacogo bɛ kɛ kari. Ni aw bɛ a kɛ ni kiriyɔzɛni ye (misali la, azote jilamaw, magnets superconducteurs), aw bɛ aw jija fini ma kɛ ni kurukuruni ye walima ka a kɛ ni masin ye min bɛ -79°C duguma. Ni a karilen don, insulasi dafalen bɛ tunun kuran cogoya mana kɛ min o min ye.
Kuma surun – Aw bɛ to 260°C kɔnɔ walasa ka insulasi dafalen sɔrɔ
Funteni hakɛ (funteni hakɛ) hakɛ
Insulasi baarakɛcogo
Mekaniki jamana
Ladilikan min bɛ kɛ
-180°C fo 260°C
A ka ɲi kosɛbɛ – a sabatilen don, a ka resistivity ka bon, a bɔnɛ ka dɔgɔn
A bɛ se ka wuli (aw bɛ a kɔlɔsi ni a bɛ kari -79°C duguma) .
A lakananen don walasa ka baara kɛ ni a ye tuma bɛɛ
260°C – 327°C ye
Tiɲɛni – finimugu nɔgɔlen bɛ se ka tiɲɛ/ka sɔgɔsɔgɔ
Ka nɔgɔya
Dan tɛ min na – aw bɛ aw yɛrɛ tanga a tali ma min bɛ mɛn sen na
327°C – 400°C ye
Dɛsɛ kɛrɛfɛ – wuli, jɔli bɔnɛ
Jeli/jilama
A tɛ kɛ kuran baara kama
>400°C ye
Dɛsɛ banbali – karɔbɔli bɛ siraw da minnu bɛ taa ni fɛnw ye
A tolilen don
Balawu – aw bɛ a falen joona
Kuma surun na , baarakɛyɔrɔ funteni ladilikan min bɛ to senna (≤260°C) kɔnɔ, funteni bɛ nɔ juguba bila PTFE fini funtenimanba ka kuran sɔgɔli la. Volume resistivity bɛ to 10⊃1;⊃3 sanfɛ; Ω·cm ni 200°C ye; dielektriki basigilen bɛ to 2,0-2,1 la; dissipation factor min bɛ 0,001 duguma. O b’a to PTFE ye fɛn sabatilenw dɔ ye minnu bɛ sɔrɔ funteni caman na – kɛrɛnkɛrɛnnenya la, a nafa ka bon kosɛbɛ baarakɛcogo la, yɔrɔ minnu na polimɛri tɔw bɛ bɔnɛba sɔrɔ.
Ni a sumana kojugu ka tɛmɛ 260°C kan, insulasi dɛsɛ bɛ daminɛ ka bɔ masinw nɔgɔyali ni a bɔgɔbɔli la, a laban na, a bɛ wuli ka kɛ kuran tiɲɛni ye pewu. Ni 400°C sanfɛ, karɔbɔli bɛ sira banbaliw dilan minnu bɛ taa ni fɛnw ye. 0°C duguma, kuran nafa bɛ ɲɛ, nka masinw ka tiɲɛni bɛ farati la ka finimugu kari.
Aw mago bɛ PTFE fini na min ka funteni ka bon, ni a bɛ se ka a tanga cogo garanti la aw ka funteni hakɛ la wa? Aokai PTFE bɛ dielektriki sɛgɛsɛgɛli kunnafoniw dafalen di ka bɔ -70°C la ka se 260°C ma. Aw ye anw sɔrɔ ni aw ka baarakɛcogo funteni, tension ani frequency wajibiyalenw ye.
Ni aw ka kan ka fɛɛrɛ wɛrɛw ɲini, ka baarakɛcogo ɲɛnabɔ, ani ka fɛnw dilanni kɛ ka kɛɲɛ ni aw yɛrɛ sago ye, i n’a fɔ PTFE fini min bɛ funteni caman bɔ, PTFE kasɛti nɔrɔlen, PTFE mesh conveyor belt, seamless fusing machine belt, single-side coated PTFE fabric and high-temperature resistant conveyor & fibreglass cloth , aw bɛ se ka anw sɔrɔ:
An bɛ tugu baarakɛcogo ɲuman ni danbe la walasa ka izini furaw di minnu bɛ kɛ ka kɛɲɛ ni yɔrɔ kelen ye ani ka dɛmɛ don feereli kɔfɛ min bɛ kɛ ni hakili ye.
