Sɛnea Wɔbɛma PTFE Ntama a Ɛwɔ Ɔhyew Kɛse no ayɛ tratraa Bere a Wɔreyɛ Sintering no

Sintering yɛ anammɔn a ɛho hia a PTFE nneɛma nketenkete no nwene, ɛsen, na ɛfrafra kɔ sini a ɛkɔ so. Nanso ɛyɛ gyinabea a ɛnyɛ den koraa sɛ nea ɛyɛ petee no yera nso. Nhyɛso a ɛnteɛ, ɔhyew a ɛsakra ntɛmntɛm, anaasɛ ahosodi a ɛnsɛ betumi ama nwi a wontumi nsakra, n’afã horow a ɛyɛ asorɔkye, ne nwi a ɛyɛ nwininwini a wontumi nsiesie wɔ ɛno akyi.

Nnyinasosɛm titiriw a ɛbɛma wɔakura petee mu ne sɛ wodi nhyɛso, ɔhyew, ne akwan a wɔfa so siw ano no so pɛpɛɛpɛ – ɛma wotumi yɛ fiberglass substrate ne molten PTFE coating no nsusuwii a wɔayɛ no biako.

Aokai PTFE  (PTFE fiberglass cloth ) ayɛ sintering akwan a ɛyɛ den a ɛbɛma ayɛ petee bere nyinaa. Saa akwankyerɛ yi ka nneɛma anum a ɛho hia a wɔde di dwuma ma ɛyɛ petee a ɛyɛ den wɔ nneɛma a wɔyɛ pii mu ho asɛm.

Nnwinnade a Wɔde Siesie – Stenter Afiri Yɛ Ahyɛde

Eyi ne ano aduru titiriw a wɔde besiw weft shrinkage ne wavy selvedges ano. Ɛsɛ sɛ wɔde pin stenter (anaasɛ clip stenter) hyehyɛ sintering fononoo no mu.

1. Nsusuwii a wɔde crosswise yɛ

Pin mprɛte tow ntama anoano. Ɛdenam nsakrae a wɔyɛ wɔ conveyor nkɔnsɔnkɔnsɔn no track trɛw mu so no, wɔde transverse tension a ɛyɛ mmerɛw di dwuma – anaasɛ anyɛ yiye koraa no, wɔhwɛ mfitiase ntama no trɛw so de ko tia ɔhyew a ɛtwetwe nhyɛso a ɛwɔ substrate no mu wɔ ɔhyew kɛse ase. Sɛ wɔanhyɛ saa anohyeto yi a, ntama no trɛw so tew na anoano yɛ asorɔkye.

2. Nneɛma a wɔde di dwuma bere tenten

Pɛpɛɛpɛ ahoɔhare nsonsonoe a ɛda anim ne akyi rollers ntam plus closed-loop tension control de ultra-low ne steady longitudinal nhyɛso ma:

• Nhyɛso a ɛboro so – ɛpaapae coating no mu anaasɛ ɛkanyan post-cooling shrinkage ne warpage

• Nhyɛso a ɛnnɔɔso – ɛma nwi a ɛyɛ tenten (ntama no 'bunches up') .

Nyansahu mu Ɔhyew Ho Nsɛm – Gradient Heating ne Slow Cooling

a ɛkɔ soro brɛoo, ɛyɛ hyew koraa, na ɛyɛ nwini brɛoo na ama wɔayi ɔhyew a ɛyɛ hu ne ɔko a adwennwen de ba no afi hɔ. Ɛho hia sɛ wɔyɛ ɔhyew

1. Ɔhyew beae

Ɔhyew kɔ soro nkakrankakra twa PTFE nwene (327°C) ho hyia de kari pɛ wɔ ntama no mu ne nea ɛwɔ soro no hyew. Mpɔtam hɔ ɔhyew a ɛboro so anaasɛ ɔhyew a ɛkɔ soro ntɛmntɛm no ma ɛyɛ ketewaa a ɛnteɛ na ɛma ɛyɛ mmerɛw daa. Botae no ne sɛ wɔbɛma ɔhyew no akɔ ntama no mu pɛpɛɛpɛ ansa na afi ase ayɛ hyew koraa.

2. Sintering a wɔde kura beae

Ɔhyew a ɛkɔ so daa a wɔhwɛ so yɛ 380-400°C ma bere a ɛdɔɔso a wɔde tra hɔ. Wei:

• Koraa melts PTFE asinasin ma ɛyɛ sini a ɛkɔ so

• Gyae residual emu nhyɛso a fiberglass wɔ restrained flat tebea

• Ɛhwɛ hu sɛ fusion ne densification koraa

3. Cooling zone – wɔtaa bu ani gu so, nanso ɛho hia

Eyi ne bere a ɔko taa ba. Ɛho hia sɛ wɔma onwini brɛoo bere a wɔkora stenter restraint so kosi sɛ ɔhyew bɛkɔ fam asen PTFE crystallization point (bɛyɛ 310°C ).

Mmara a ɛho hia: Mframa a wɔhyɛ no ma ɛyɛ nwini ntɛmntɛm no ma shrinkage a ɛnhyia ba coating ne substrate ntam – ɛde warping a ɛkɔ so yɛ warping anaasɛ curling selvedges a wontumi nyɛ flattened wɔ ɛno akyi ba. Ma ntama no nsiw ano kosi sɛ PTFE no bɛyɛ ahwehwɛ koraa na akɔto ne nsusuwii a etwa to no mu.

Substrate Pretreatment ne Coating a Ɛyɛ Pɛ

Sɛnea ntama no bɛyɛ petee bere a wɔreyɛ sintering no gyina nea ɛba ansa na ntama no akɔ fononoo no mu so.

1. Pre-shrinking a ɛwɔ nnyinaso ntama

Ansa na PTFE impregnation, fiberglass ntama no fa ɔhyew a ɛkorɔn dewaxing ne pre-shrinking de yi weaving residual stress. Eyi brɛ shrinkage a ɛto so abien ase kɛse bere a sintering no na ɛto fapem ma ɛyɛ petee a ɛkorɔn.

Aokai PTFE hyɛ no nsow: Sɛ ɛnyɛ pre-shrinking, fiberglass no bɛbɔ mmɔden sɛ ɛbɛtwetwe bere a sintering – ako atia stenter restraint na ɛde adwennwen kyekyɛ a ɛnteɛ aba.

2. Uniform coating thickness

Ɛsɛ sɛ PTFE impregnated layer no da ne kɛse a ɛkɔ so daa adi wɔ ntama no nyinaa mu. Nneɛma a wɔde kata so a ɛnteɛ no ma nsonsonoeɛ ba bere a ɛbɔ – mmeaeɛ a ɛyɛ tratraa no nwene ntɛmntɛm sene mmeaeɛ a ɛyɛ den – ɛma nhyɛsoɔ asorɔkye a ɛte sɛ orange peel texture na ɛsɛe flatness.

• Ɛho hia sɛ wɔbɛhyɛ nsu a wɔde hyɛ mu, oduruyɛfo agyan a wɔde kata so, ne sɛnea wɔde squeeze rolling akwan horow no ho nhyehyɛe a edi mu.

• Nsakrae nketenkete mpo wɔ ne kɛse mu (0.01mm) betumi de sintɔ ahorow a wotumi hu aba wɔ soro.

Mframa a Ɛsen Nhyehyɛe ne Pɛpɛɛpɛ Akwankyerɛ Rollers

1. Mframa a ɛyɛ hyew a ɛkyinkyini ho nhyehyɛe

Fa top-and-bottom counter-blow anaa uniform circulating air hot air inside the furnace na kwati sɛ mframa a ano yɛ den a ɛwɔ ɔfã biako no bɛbɔ ntama no tẽẽ – a ɛde flutter marks ba. Mframa a ɛyɛ den a wɔde gyina fononoo a ɛda fam mu no mma ntama no ntumi nkɔ fam wɔ span atenten a ɛsensɛn hɔ so.

2. Nsɛdi a ɛyɛ katee a ɛfa rollers ho

Ɛsɛ sɛ akwankyerɛ rollers ne tension rollers nyinaa kura ultra-high parallelism mu na ɛho tew a nkae a ɛyɛ nnam nka ho:

• Ntama nketenkete a ɛtwetwe no ma nhyɛso a ɛnyɛ pɛ ba afã abien no nyinaa na ɛyɛ nwi a ɛyɛ nwi wɔ ɔfã biako

• Ɛsɛ sɛ wɔde nhyehyɛe a wɔde teɛteɛ ano a ɛyɛ adwuma ankasa sisi hɔ

• Sɛ wɔhohoro daa a, ɛmma nneɛma a wɔde nkata so no ntumi nkɔ baabiara a ɛde nsakrae a ɛba wɔ baabi a nhyɛso ba no ano

Nsɛm a Wɔaboaboa Ano – Flatness Formula no

Ɛnyɛ tumi a efi akyi a wɔde mia so na ɛma ɛyɛ petee koraa. Mmom no, wɔ stenter afiri no planar anohyeto pɛpɛɛpɛ ase no, ɔhyew ne nhyɛso a ɛyɛ pɛ no nwene na ɛka PTFE a wɔde kata so ne fiberglass substrate bom yɛ no afrafra a ɛyɛ mmerɛw, a nhyɛso a aka nyinaa fi hɔ koraa denam onwini a wɔde nkakrankakra yɛ so.

Deviation wɔ process link biako biara mu no awiei koraa no ɛbɛda adi sɛ ntama ani a ɛnyɛ pɛpɛɛpɛ.

Aokai PTFE di saa parameters yi nyinaa so de PTFE ntama a guaranteed flatness ma. Wɔ dwumadie a ɛhia sɛ wɔde ntama a ɛyɛ tratraa paa (sɛ nhwɛsoɔ no, PCB laminating, owia laminators), yɛde tighter flatness specifications ne flattening akwan foforɔ ma.

Mfiridwuma ho nsɛm a ɛwɔ atifi hɔ no, wɔde ma Jiangsu Aokai Nneɛma Foforo Mfiridwuma Co., Ltd.

Sɛ wopɛ sɛ wusua nsɛm a ɛkɔ akyiri, dwumadie tebea ne ano aduru a wɔayɛ ama yɛn nneɛma nyinaa, a PTFE ntama a ɛyɛ hyew a ɛkorɔn, PTFE ɔhyew a ɛkorɔn adhesive tape, PTFE ɔhyew a ɛkorɔn mesh abɔso, seamless ɔhyew press abɔso, ɔfã biako PTFE ntama, ɔhyew a ɛkorɔn a ɛko tia conveyor belt ne ɔhyew-resistant fiberglass ka ho ntama, yɛsrɛ sɛ fa akwan a edidi so yi so ne yɛn nni nkitaho:

• Owura Guo: +86 18944819998

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