PTFE fini min bɛ funteni caman na, o bɛ thermal shock minɛ ka ɲɛ cogo di?

Industriw ka baarakɛcogo caman na, . PTFE fini tɛ kɛ funteni basigilen na. A bɛ funteni caman yeli teliya la – ka bɔ konfirɛzi la ka taa foro la, ka bɔ presse funteni na ka taa fiɲɛ lamini na, walima ka bɔ funteni datugulan na ka taa nɛnɛyɔrɔ la. O bɛ Weele ko funteni-sɔgɔsɔgɔninjɛ.

Ɲininkali ye nin ye: yala PTFE fini min funteni ka bon, o bɛ se ka kisi funteni jiginni segin-segin, teliya la, k’a sɔrɔ a ma kari, ka a lamini, walima ka a baarakɛcogo bɔnɛ wa?

Jaabi bɛ bɔ funteni hakɛ la. A baarakɛcogo danma kɔnɔ, PTFE fini bɛ baara kɛ ka ɲɛ kosɛbɛ. Nka aw bɛ a digi sanfɛ kojugu, o la, a dacogo bɛna tiɲɛ.

Aokai PTFE ye funteni sɔgɔli kunbɛncogo kɔrɔbɔ an ka fɛn dilannenw bɛɛ kɔnɔ. Nin gafe in bɛ a ɲɛfɔ funteni danfara minnu tɛ mɔgɔ tɔɔrɔ, o fɛn bɛ baara kɛ cogo min na, ani fɛn minnu ka kan ka kɔlɔsi.

Funteni danfara min bɛ se ka muɲu – Mun ye lakana ye?

1. Baarakɛyɔrɔ bɛnnen (-70°C fo 260°C) .

Funteni jiginni teliya la o yɔrɔ in kɔnɔ, o tɛna tiɲɛni jɛlen kɛ fini na. A kɛcogo min bɛ kɛ cogoya la, o ye ka ɲɔgɔn falen-falen kɛ tuma caman na nɛnɛ marayɔrɔ ni -50°C ni digili minɛn funtenimaw cɛ 260°C la. O fɛn bɛ bonya ka dɔgɔya, nka PTFE dacogo bɛ to a cogo la ani fibreglasi substrat tɛ kari.

Misali la, a kɛcogo : Minɛn minnu bɛ kɛ ni nɛnɛ ye, cɛsirilan bɛ ɲɔgɔn falen-falen kɛ nɛnɛ jugumanba (-40°C) ni jalen foro (150°C) cɛ. PTFE fini bɛ o ko ɲɛnabɔ don o don.

2. Funteni danfara jugumanba (250°C delta lamini na) .

PTFE fini ɲumanw bɛ se ka funteni jugumanba muɲu – misali la, u bɛ su ji nɛnɛ 10°C la o yɔrɔnin bɛɛ la u bilalen kɔ 260°C la (250°C jigin). A dacogo tɛna kari walima ka bɔ a la siɲɛ caman kɔfɛ. O tiɲɛna ni Aokai PTFE sɛgɛsɛgɛli ye.

3. Farati bɛ yɔrɔ min na – ka tɛmɛ 300°C kan

Tiɲɛni farati bɛ bonya kosɛbɛ ni funteni danfara bɛ bonya ka taa a fɛ, i n’a fɔ nɛnɛ teliya ka bɔ funteni na ka tɛmɛ 300°C kan. Ni fini tɛmɛna 300°C kan (a ka surun PTFE ka wuliyɔrɔ la min ye 327°C ye), a dacogo bɛ kɛ tilayɔrɔba ye ani a bɛ barika dɔgɔya masin siratigɛ la. O kɔfɛ, nɛnɛ barikama bɛ kɛ sababu ye ka dɔgɔya kosɛbɛ ani ka kari.

Baarakɛcogo sariya – Substrat vs. Coating

Sumaya sɔgɔli baarakɛcogo bɛ dantigɛ ni fibreglasi substrat ni PTFE dacogo dafalenw ye.

1. Fibreglasi substrat – kɔkolo sabatilen

• A nɔgɔyayɔrɔ bɛ tɛmɛ 800°C kan

• Coefficient de expansion thermous ka dɔgɔ kosɛbɛ (a bɛ se ka kɛ 5 × 10−6/°C ye) .

• Funteni-sɔrɔ-cogo jugu

O jogo ninnu kɔrɔ ye ko gilasi fiyɛw tɛ bonya walima ka dɔgɔya kosɛbɛ ni funteni ye. U bɛ hakɛ sabatilenw mara funteni-sɔgɔli kɔrɔ ani ka degun karilenw kɛlɛ ka ɲɛ. Substrat tɛ jɛgɛn barikama ye.

2. PTFE dacogo – o ye dantigɛli ye

• Sumaya bonya hakɛ bɛ se fibreglasi ta siɲɛ 30 fo 40 ma (100-150 × 10−6/°C) .

• Ni funteni ni nɛnɛ teliya la, finimugu bɛ bonya ani ka dɔgɔya kosɛbɛ ka tɛmɛ a dugumalan kan

• O bɛ degunba lase jɛɲɔgɔnya yɔrɔ la

Mun na a bɛ baara kɛ hali bi: PTFE dacogo ka fin (a ka ca a la 10-30 μm) ani a bɛ se ka wuli. Impregnation (jidoncogo) b’a siri kosɛbɛ fibreglasi la. Funteni hakɛ bɛnnen kɔnɔ, finimugu bɛ se ka wuli ka segin a cogo kɔrɔ la ka sɔrɔ a ma kari. Ni funteni ka bon walima ni a dilanni man ɲi, degun bɛ tɛmɛ finimugu fanga kan.

Aokai PTFE kɔlɔsili: An ka fini min ka bon kosɛbɛ, o bɛ baara kɛ ni impregnation passes caman ye, o b’a to PTFE ka don ka don fibreglas weave kɔnɔ ka taa a fɛ. O bɛ 'ankɔri' masin dɔ da min bɛ delamination kɛlɛ funteni cycle waati la – danfaraba don ni finiw ye minnu ka dɔgɔn minnu sigilen bɛ sanfɛ dɔrɔn.

Fɛn kolomaw minnu bɛ nɔ bila funteni sɔgɔli kunbɛnni na

PTFE finiw bɛɛ tɛ kelen ye. Fɛn saba b’a jira ko fɛn kɛrɛnkɛrɛnnen dɔ bɛ se ka funteni sɛgɛsɛgɛli muɲu cogo min na.

1. Sɛnɛfɛnw dilanni fɛɛrɛ – impregnation quality (jidoncogo) nafa ka bon

fini minnu ka ɲi kosɛbɛ , olu bɛ kɛ ni impregnation ni sintering kɛcogo caman ye . PTFE bɛ don fiɲɛ bilayɔrɔw la ka taa a fɛ, ka kɛ jirisunba ye min bɛ jɔ. Nin 'locked-in' bond in bɛ delamination kɛlɛ funteni-sɔgɔli waati.

Fɛn minnu ka dɔgɔn, olu bɛ baara kɛ ni finimugu ye min bɛ tɛmɛ siɲɛ kelen. PTFE sigilen bɛ sanfɛla dɔrɔn de kan. Ni funteni yeli teliya la, finimugu bɛ bɔ i n’a fɔ stika lafiyalen.

2. Datugulan janya – a finman ka fisa

Datugulan minnu ka fin, olu bɛ se ka u yɛrɛ labɛn ka ɲɛ ni substrat deformation ye. 5-10 μm dacogo bɛna flexion ni galasi fiyɛw ye. Ni finimugu 30-50 μm ye, o ka gɛlɛn, wa a ka teli ka kari.

3. Substrate grade – finimugu dense, filamanw fanga ka bon

Fibreglasi fini minnu sirilen don kosɛbɛ, minnu fanga ka bon, olu tɛ yɔrɔ lakolonw dɔgɔya ani u bonya sabatili ka ɲi. U fana bɛ dugukolo yɔrɔ caman Di PTFE jɔli kama. Fini minnu man ɲi, minnu dabɔlen don, olu ka teli ka kɛ dakunw sɔgɔsɔgɔli ye ani ka finiw bɔnɛni na funteni cycle (sɔgɔsɔgɔninjɛ) kɔrɔ.

Muɲuli kɛcogo waleyali la – Min ka kan ka makɔnɔ

Minɛn minnu bɛ segin-ka-bɔnye ni nɛnɛ wajibiya, i n’a fɔ:

• Sumaya sigilanw (sɛgɛsɛgɛli segin damadɔ o segin damadɔ) .

• Isolation pads minnu bɛ digi funteni na

• Welding lakanani fɛnw

• Freeze-thaw bisikili minɛnw

Premium PTFE finiw minnu ka funteni ka bon, olu bɛ se ka funteni sɛgɛsɛgɛli ba tan ni tan muɲu k’a sɔrɔ u ma dɛsɛ.

1. Dɛsɛ bɛ kɛ cogo min na – sɛgɛn dɔɔni dɔɔni

Dɛsɛ tɛ kɛ yɔrɔnin kelen ye. A bɛ Kɛ senfɛ-senfɛ:

1. Micro-cracks bɛ sɔrɔ PTFE dacogo la (a tɛ ye ɲɛ na) .

2. Datugulan bɛ daminɛ ka bɔnɛ a la min tɛ nɔrɔ yɔrɔ minnu na degun bɛ yɔrɔ minnu na

3. Dawolo sɔgɔli bɛ ye kurukuruw walima da tigɛlenw na

4. Coating delaminates, ka fibre de verre bɔ kɛnɛ kan

5. Fibreglasi frays ani fini ɲɛjibɔ

Sɛgɛsɛgɛli tuma bɛɛ (sɛgɛsɛgɛli ba damadɔ o ba damadɔ) bɛ se ka kari joona ka sɔrɔ ka dɛsɛ kojugu.

Baarakɛcogo kunnafoniw & Jaan minnu bɛ sɔrɔ tuma caman na – Fɛn minnu ka kan ka kɔlɔsi

Hali PTFE fini ɲuman bɛ se ka tiɲɛ ni baara kɛcogo jugu ye.

1. Aw kana nɛnɛ joona abada funteni jugumanba fɛ (>300°C) .

Ni fini sumana ka tɛmɛ 300°C kan (a ka surun a wuliyɔrɔ la 327°C) ka sɔrɔ ka nɛnɛ yɔrɔnin kelen (misali la, ka a faga ji la walima hali ka a bila so funteni fiɲɛ dɔrɔn na), PTFE dacogo bɛna dɔgɔya kosɛbɛ, wa a bɛ se ka daminɛ yɛrɛ ka toli. O bɛ na ni a karilen ye joona, ka a sɔgɔ, ani ka tiɲɛni banbali kɛ . O opereli in ka kan ka bali kosɛbɛ.

Lakanali hakɛ : Walasa ka ɲɛnamaya jan kɛ, aw bɛ fini funteni to 260°C duguma. Taama surun minnu bɛ kɛ ka se 280-300°C ma, olu bɛ se ka muɲu kalasi dɔw la, nka u tɛ nɛnɛ abada ka bɔ o funteni na.

H3: Aw bɛ aw yɔrɔ janya fɛn nɔgɔlenw na ani ka aw kɔrɔta kojugu

Funteni sɔgɔli ni masinw tiɲɛni faralen ɲɔgɔn kan – i n’a fɔ kurukuruw, sɔgɔsɔgɔninjɛ, walima kurukuruniw – o bɛ tiɲɛni teliya kosɛbɛ. Datugulan min sɔgɔlen don, o barika dɔgɔyara kaban; o kɔfɛ, thermal cycling bɛ faraw jɛnsɛn ka bɔ fɛn fɔlɔ la.

Fɛɛrɛ ɲuman: Aw bɛ to ka fini in sɛgɛsɛgɛ. Aw bɛ a falen ni aw ye sɔgɔsɔgɔninjɛ yelenw ye, kurukuruw taamasiɲɛw, walima dawolo kɔrɔta sani thermal cycling ka taa ɲɛ.

Kuma surun – Ladilikanw ka ɲɛsin PTFE fini ma

Aokai PTFE bɛ PTFE fini ɲuman dilan min funteni ka bon, ni impregnation tɛmɛsira caman bɛ a la ani fini finmanw, minnu bɛ se ka wuli, minnu bɛ ɲɛ walasa ka funteni sɔgɔsɔgɔninjɛ kunbɛn. Ni aw b’a fɛ ka baara kɛ ni funteni jiginni jugumanba ye (misali la, nɛnɛ teliya la ka bɔ 260°C la), aw bɛ se ka anw sɔrɔ walasa ka sɛgɛsɛgɛli kunnafoniw kɛrɛnkɛrɛnnenw sɔrɔ ani ka kalasi ladilikanw sɔrɔ.

Sanfɛ kɔnɔkow bɛ di Jiangsu Aokai Kura Materiel Teknoloji Co., Ltd.

Ni aw mago bɛ kunnafoni wɛrɛw la fɛn ɲɛfɔlenw kan, baarakɛcogo misaliw ani furaw kan minnu bɛ kɛ ka kɛɲɛ ni aw sago ye an ka fɛn dilannenw bɛɛ lajɛlen na, i n’a fɔ PTFE finiw minnu bɛ funteni caman bɔ, PTFE kasɛti minnu bɛ funteni caman bɔ, PTFE cɛsirilanw, sirilan masinw cɛsirilanw, PTFE fini min bɛ kɛ fan kelen fɛ, fɛnɲɛnamafagalanw minnu bɛ se ka funteni caman kɛlɛ ani finiw minnu bɛ se ka funteni caman kɛlɛ, aw bɛ se ka ɲɔgɔn sɔrɔ anw:

• Cɛ Guo: +86 18944819998 ye

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An bɛ tugu baarakɛcogo hakilila la min ye baarakɛcogo ɲuman ni tilennenya ye, wa an b’an jija ka fɛɛrɛw di aw ma yɔrɔ kelen na ani baara minnu bɛ jateminɛ kɛ.