PTFE Ntama a Ɛwɔ Ɔhyew a Ɛkorɔn – Single-Dip vs. Multi-Dip Impregnation Adeyɛ

PTFE ntama a ɛyɛ hyew kɛse (PTFE-coated fiberglass): Wobetumi de akwan abien a ɛsono emu biara koraa ayɛ nsu a wɔde hyɛ mu pɛnkoro ne nsu a wɔde hyɛ mu pii . Nea wɔpaw wɔ wɔn ntam no na ɛkyerɛ sɛnea ade a wɔde kata so no mu duru, sɛnea ɛyɛ fɛ, sɛnea ɛyɛ adwuma, ne ɛka a wɔbɔ.

Wɔ adeyɛ a wɔde hyɛ mu pɛnkoro mu no, ntama a wɔde fiberglass ayɛ no fa nsu mu-wow-sintering kyinhyia biako pɛ a edi mũ mu. Wɔ multi-dip nhyehyɛe mu no, ɛfa kyinhyia ahorow a wɔtaa yɛ mu – mpɛn pii no 2-3 mmirikatu kosi bɛboro dumien – kyekye PTFE layer by layer.

Aokai PTFE de akwan abien no nyinaa di dwuma a egyina dwumadie no so. Saa akwankyerɛ yi kyerɛkyerɛ nkyerɛaseɛ, dwumadie a ɛkɔ so, ne su, ne dwumadie a wɔtaa de di dwuma wɔ emu biara mu, ne adwumayɛ ntotoho a ɛwɔ nkyɛnkyɛn.

Single-Dip Impregnation Process – Ɛyɛ ntɛm na ɛho ka sua

1. Nkyerɛase ne nhyehyɛe a ɛkɔ so

Nkyerɛase: Fiberglass ntama fa impregnation-drying-sintering kyinhyia biako pɛ a edi mũ mu ma ɛyɛ ntama a wɔawie a wɔde PTFE akata so no.

Adeyɛ a ɛsen:
Fiberglass ntama → impregnation ne PTFE apete → squeeze-off / doctor-blade coating de hwɛ resin pickup → ɔhyew a ɛba fam drying ma nsu yiyi → ɔhyew a ɛkorɔn sintering (360-400 ° C) de melt PTFE ma ɛyɛ film a ɛkɔ so → onwini ne winding-up.

2. Adeyɛ ho su ahorow

• Resin pickup no sua, na ɛma wonya a ɛyɛ tratraa na ɛnyɛ grammage pii ntama

• Wontumi nhyɛ fiberglass a wɔanwene no ma koraa, na ɛma ɛyɛ mmerɛw a ɛwɔ micro-pinholes

• PTFE a enni mũ a wɔde kata so no ma ahoɔden a ɛtwetwe, dielectric ahoɔden, nnuru a ɛkɔ mu a ɛko tia, ne adwumayɛ a ɛnyɛ nea ɛbata ho no ba fam koraa

• Nneɛma a wɔyɛ no yɛ tiawa a ɛyɛ adwuma yiye na ɛba fam wɔ nneɛma a wɔyɛ ho ka so ɛwɔ mfaso a

3. Dwumadi ahorow a wɔtaa de di dwuma

Wɔfa ntama a wɔde hyɛ mu pɛnkoro ma tebea horow a ɛho nhia pii wɔ ne kɛse, nea entumi nkɔ mu, ne sɛnea ɛyɛ mmerɛw wɔ soro no ho:

• Gasket ahorow a wɔde siw mframa ano a ɛba fam

• Bere tiaa mu ntama a ɛnyɛ nea ɛbata ho

• Nneɛma a ɛtumi fa mu fã bi a ɛkora mframa a ɛtumi fa mu fã bi so

• Mfiridwuma mu nneɛma a ɛnyɛ nea ɛho hia a wɔde di dwuma wɔ baabi a ɛka a wɔbɔ ne ade titiriw a ɛde ba

Multi-Dip Impregnation Adeyɛ – Layer-by-Layer Adwumayɛ a Wɔde Sisi

1. Nkyerɛase ne nhyehyɛe a ɛkɔ so

Nkyerɛase: Fiberglass substrate no fa impregnation-drying-sintering kyinhyia ahorow a wɔtaa yɛ no mu, mpɛn pii no efi mmirikatu 2-3 kosi bɛboro kyinhyia dumien. Wɔde ade biara a edi hɔ no gu PTFE a wɔde akata so dedaw no so de ayɛ kɛse, ahyɛ mmeae a ɛda hɔ no ma, na asiesie ɔfasu no so sintɔ ahorow.

Adeyɛ a ɛsen:
Fiberglass ntama → 1st impregnation → drying → sintering → cooling → 2nd impregnation → drying → sintering → cooling → 3rd impregnation ... Winding-up a etwa to bere a wɔanya botae no mu duru, grammage, ne adwumayɛ ho nkyerɛkyerɛmu no.

Ɔkwan a wɔfa so yɛ adwuma no mu nsakrae:

• Mfitiaseɛ kyinhyia: Low-viscosity, high-penetration PTFE dispersion – ɛhyɛn fiber bundles mu koraa

• Akyiri yi: Nneɛma a ɛpetepete a ɛyɛ den kɛse anaasɛ ɛyɛ den kɛse – ɛkyekye sini ahorow a ɛwɔ soro na ɛkata pinholes ano

2. Adeyɛ ho su ahorow

• Wobetumi ahyɛ thickness ne PTFE loading ho nhyehyɛe pɛpɛɛpɛ

• PTFE kyɛfa betumi adu 50-70% anaa nea ɛboro saa mpo

• Nsu a wɔde hyɛ mu mpɛn pii ne sintering no hyɛ nhama a ɛda nhama ntam no ma na eyi pinholes fi hɔ, na ɛma ɛyɛ mmerɛw na ɛyɛ ketewaa a wɔde kata so

3. Adwumayɛ a ɛkorɔn

• Excellent non-stick na release agyapade

• Nneɛma a ɛda nsow a ɛko tia nnuru a ɛmma nsɛe na ɛmma nsu ntumi nkɔ mu

• Dielectric ahoɔden ne volume resistivity a ɛkɔ anim kɛse

• Nkyekyɛmu mudi mu kura a ɛyɛ pintinn a bere tenten som hyew a ɛkɔ soro kodu 260°C

Nneɛma a wɔde di gua: Bere a wɔde yɛ nneɛma a wɔyɛ no trɛw, ahoɔden a wɔde di dwuma kɛse, nneɛma a wɔyɛ no sohwɛ a emu yɛ den, ne nneɛma a wɔyɛ nyinaa ho ka a ɛkɔ soro.

4. Dwumadi ahorow a wɔtaa de di dwuma

Multi-dip ntama som premium-grade, high-end mfiridwuma akuw a adwumayɛ ma ɛfata sɛ ɛka no:

Adwumayɛ mu Ntotoho Titiriw – Side by Side

Nsɛm a Wɔaboaboa Ano – Ɔkwan a Ɛfata a Wobɛpaw ama Wo Abisade no

Single-dip impregnation yɛ ntɛmntɛm thin-film coating kwan a ɛda nneɛma a wɔyɛ no kyinhyia ntiantiaa ne ɛka a ɛba fam, nanso anohyeto wɔ rough surface finish ne ahobammɔ adwumayɛ a ɛba fam.

Multi-dip impregnation yɛ layer-by-layer infiltration ne build-up kwan a ɛkata fiberglass substrate no so koraa. Ɛyɛ ntama a ɛyɛ torotoro na ɛyɛ den a wɔde PTFE akata so a ɛyɛ adwuma a ɛyɛ fɛ a ɛbɔ adwumayɛ nhyehyɛe a ɛyɛ den ne ɛka a ɛkɔ soro ho ka.

Aokai PTFE yɛ PTFE ntama a wɔde gu mu biako ne nea wɔde gu mu pii. Wɔ mfiridwuma mu dwumadie a ɛyɛ den mu no, ɛkame ayɛ sɛ wɔde fiberglass ntama a ɛyɛ adwuma yie nyinaa a wɔde PTFE ahyɛ mu ma no nyinaa nam multi-dip kwan no so. Di yɛn ho nkɔmmɔ na yɛnsusu abasobɔdeɛ a ɛfata wo akwammisa ahwehwɛdeɛ ho.

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