Sɛnea Wosiw Wrinkles ano wɔ PTFE High-Temperature Cloth bere a Sintering

Jiangsu Aokai New Materials, adwumayɛfo a wɔyɛ PTFE ntama a ɛyɛ hyew kɛse, kyɛ adwumayɛfo nhyehyɛe akwankyerɛ. Nwi a ɛba PTFE ntama a ɛyɛ hyew kɛse (fiberglass ntama a wɔde PTFE akata so) so bere a wɔreyɛ sintering no titiriw fi ɔhyew a ɛnyɛ pɛpɛɛpɛ ne nhyɛso a ɛnkɔ so pɛpɛɛpɛ a ɛwɔ substrate, coating ne nnwinnade a ɛwɔ ɔhyew a ɛkɔ soro ase. Nwi a wosiw ano no ntumi mfa wɔn adwene nsi fononoo a wɔde sintering no nkutoo so; nhyehyɛe a wɔde di dwuma a ɛkata adwumayɛ nhyehyɛe a edi mũ a ɛfa nneɛma a wɔde yɛ nneɛma a wɔde yɛ adwuma, nsu a wɔde gu mu, nea ɛyow, sintering ne onwini ho no ho hia.

Wɔabobɔ control links atitiriw ne ano aduru a mfaso wɔ so sɛnea edidi so yi:

I. Raw Material Substrate Control: Yi Mfinimfini Adwennwen fi hɔ wɔ Fibea

Sɛnea fiberglass substrate no te no na ɛkyerɛ sɛnea ɛbɛyɛ den sɛ wɔbɛyɛ adwuma akyiri yi. Paw fiberglass ntama a ɛwɔ twist a ɛba fam na ɛyɛ pintinn, a ɛda skew kakraa bi ne anoano a ɛyɛ pɛ, a ɛma ɔhyew shrinkage a ɛkɔ so daa bere a wɔayɛ no hyew no.

1. Pre-dewaxing ne ɔhyew nhyehyɛe a edi mũ: Ɛsɛ sɛ substrate no fa ɔhyew a ɛkorɔn dewaxing ne ɔhyew nhyehyɛe mu na ama wɔayi weaving mu nhyɛso afi hɔ koraa na ama ne thermal shrinkage rate no agyina. Ayaresa a ɛnsɛ wɔ saa fã yi mu no bɛma ntama no ayɛ mmerɛw kɛse na ayɛ nwi a wontumi nni so bere a ntama no akɔ fononoo a wɔde sintering mu no.

2. Nhwehwɛmu a ɛba: Fa ntama a ɛyɛ tratraa anaa ntama nhwehwɛmufo hwɛ sɛnea ntama no yɛ petee. Twitwa anaa san batches a anoano yɛ loose, ano a ɛyɛ den ne bulges.

II. Impregnation & Drying Stage: Nya Thin & Uniform Coating

Nneɛma a wɔde kata so no mu duru a ɛnteɛ ma PTFE a wɔabɔ no so tew bere a wɔreyɛ sintering no, na akyinnye biara nni ho sɛ ɛma nwi yɛ nwi.

1. Multiple thin coating passes sen sɛ single heavy coating: Fa impregnation ne drying akwan a wɔyɛ no mpɛn pii a ɛyɛ ketewaa, mpo coating mu duru wɔ pass biara mu na ama woaboaboa PTFE resin ano nkakrankakra. Kwati ade a ɛyɛ den a wɔde kata ade biako so a ɛma ahoɔhare a ɛyow wɔ mu ne akyi a ɛnyɛ pɛpɛɛpɛ.

2. Ɔhyew a ɛkɔ soro brɛoo wɔ fononoo a ɛyow mu: Fi ase fa mmeae a ɛhɔ yɛ hyew a ɛba fam na ama nsu ne nneɛma a ɛboa no ayɛ hyew nkakrankakra, na asiw honam ani honam ani hwɛbea a ɛba ntɛmntɛm a ɛkyere emu nhyɛso a efi emu nneɛma a ɛnyow mu ba no ano.

3. Synchronous active drive rollers wɔ drying section: Akwankyerɛ rollers nyinaa yɛ motor-driven na synchronized ne ntama line ahoɔhare na wɔakwati longitudinal stretching fi passive twetwe.

4. Direct inline transfer to sintering fononoo bere a wɔayow akyi na wɔayi winding indentations afi hɔ. Sɛ mfinimfini twitwa yɛ ahyɛde a, di kan ma ntama no dwo koraa na fa mframa a ɛba fam ne roll diameter kɛse ma na wɔakwati daa creases a wɔde bɛkɔ sintering stage.

III. Sintering Furnace: Ɔhyew, Mframa ne Nhyɛso a ɛne ne ho hyia pɛpɛɛpɛ

Eyi ne core control fã a wɔde siw wrinkle ano.

1. Tension Control: Fa Baabi a Ɛfata Sie Ma Ɔhyew a Ɛtwetwe Nneɛma

Sɛ PTFE nwene boro ne nwene (~327°C) a, substrate ne coating nyinaa ma ɔhyew shrinkage. Nhyɛso a ɛboro so de ahoɔden trɛw ntama no mu, na ɛtow nwi a ɛyɛ mmerɛw a ɛtra hɔ daa no mu bere a ayɛ nwini awie no; nhyɛso a ɛnnɔɔso ma nwi a ɛyɛ mmerɛw na ɛyɛ mmerɛw.

· Fa overfeed rollers si fononoo no mu: Fa ntama kɔ fononoo no mu a 1%~3% overfeed wom na ama woakora allowance ama thermal shrinkage.

· Closed-loop micro-tension control mu fononoo: Bere ankasa mu feedback via tension sensors sesa motor ahoɔhare a ɔfã biara, kura nhyɛso ketewaa bi pɛ a ɛho hia na ama ntama akɔ so ayɛ tratraa wɔ beae a ɔhyew kɛse no nyinaa, a ntama no kɔ so yɛ mmerɛw a wɔmfa stacking.

2. Ɔhyew a Ɛyɛ Pɛpɛɛpɛ: Yi Transverse Shrinkage Discrepancy fi hɔ

Ɔhyew a ɛkɔ soro kɛse wɔ fononoo no mu no ma ntama no mfinimfini ne n’afã horow no twetwe a ɛnkɔ so pɛpɛɛpɛ, na ɛno titiriw na ɛma n’afã horow a ɛyɛ asorɔkye a ɛware ne mfinimfini a ɛyɛ kurukuruwa ba.

· To transverse temperature tolerance ano hye wɔ ±5°C mu: Fa multi-zone independent upper/low temperature control ne mframa a ɛyɛ hyew a ɛkyinkyini no tom na ama ayɛ ɔhyew afuw a ɛyɛ pɛ.

· Nteaseɛ mu sintering curve: Fa gradient a ɛyɛ preheating → high-temperature sintering → brɛoo cooling na ama nkakrankakra melting na leveling PTFE a instantaneous thermal shock.

· Fa mframa-flotation sintering fononoo di kan: Wɔde ntama sɛn na wɔde fa mframa a ɛyɛ hyew a ɛho tew a ɛbɔ soro ne fam a ɛbɔ a enni contact rollers, titiriw yi nwi a mfiri friction ne adhesion de ba, ano aduru a eye sen biara ma ntama a ɛyɛ hyew a ɛkorɔn a ɛyɛ fɛ no fi hɔ.

3. Airflow Control: Siw Ntama Nsakrae & Stabilize Leveling

Ɛnsɛ sɛ mframa a ɛkyinkyini no ahoɔhare yɛ kɛse dodo, na ɛsɛ sɛ wɔsiesie mframa a ɛsen no na wɔakwati ntama a ɛwosow denneennen mfi mframa a ɛbɛbɔ tẽẽ no mu. Mframa a ɛwɔ soro ne ase a wɔahyehyɛ no foforo no ma mframa a ɛkɔ soro pɛpɛɛpɛ na ama ɔhyew a ɛsesa a ɛrenhaw ntama no ani.

4. Anti-Wrinkle Roller Components ma nipadua mu trɛw

Fa banana spreader rollers a ɛyɛ kurukuruwa anaa crown spreader rollers gu mmeae atitiriw wɔ fononoo no mu ne outlet no mu. Camber a ɛwɔ curved rollers no de tumi a ɛtrɛw wɔ afã horow fi mfinimfini kosi anoano di dwuma de yi nwi a ɛyɛ fɛ a ɛtrɛw no fi hɔ yiye. Ɛsɛ sɛ wɔyɛ carrier rollers nyinaa calibrated ma horizontal ne parallel pɛpɛɛpɛ daa a mfomsoɔ nnu 0.1mm/m.

IV. Cooling & Setting Stage: Tow Flat Surface Daa

Ntama kɔ so yɛ thermoplastic bere a afi sintering fononoo no mu no; onwini a ɛmfata no bɛpow mmɔden a wɔadi kan abɔ sɛ wɔbɛyɛ ho adwuma no nyinaa.

1. Onwini a ɛyɛ brɛoo nkakrankakra: Kwati sɛ mframa a ɛyɛ nwini bɛdum tẽẽ ntɛm ara wɔ mmeae a ɛhɔ yɛ hyew kɛse akyi. Twam fa insulated slow cooling section na ama PTFE coating ne substrate hyew no akɔ fam brɛoo wɔ melting point ase ma emu adwennwen gyae koraa.

2. Kɔ so trɛw na fa aduan boro so bere a ɛredwo: Ntama kɔ so tew bere a ɛrenwini no, enti ɛda so ara hia sɛ wɔde aduan a ɛboro so kakra ne spreader rollers ma kosi sɛ ntama no hyew bɛkɔ fam asen 100°C.

3. Onwini a edi mũ ansa na woabɔ no awiei: Hwɛ hu sɛ ntama no hyew bɛn dan mu hyew a ɔhyew a aka no nboaboa ano, afei fa mframa a ɛba fam bere nyinaa ma nhoma mmobɔwee a ɛyɛ tratraa a ɛyɛ pɛ.

V. Intanɛt so Nhwehwɛmu & Nsakrae a Wɔyɛ wɔ Bere Bere Mu

Fa adwumayɛfo a wɔatu wɔn ho ama ma wɔnhwɛ ntama no ani a hann a ano yɛ den wom wɔ fononoo no kwan a ɛkɔ mu ne mmeae a ɛma onwini no. Fine-tune tension, temperature anaa line speed ntɛm ara bere a wɔahu micro-wrinkles no. Fa infrared scanning systems a ɛnyɛ nkitahodi hyehyɛ mu de hwɛ bere ankasa mu transverse temperature distribution a automatic alarms ma tebea horow a ɛnyɛ tolerance. Wobetumi asiesie nwi nketenkete a ɛtra hɔ daa wɔ Intanɛt so denam kalenda a wɔde rollers a ɛyɛ hyew so, nanso siw ano da so ara yɛ ade titiriw.

Nnyinasosɛm Titiriw a Wɔaboaboa Ano

Fata a ɛyɛ den substrate ɔhyew nhyehyɛe + teateaa uniform multi-layer coating + a ɛdɔɔso overfeed & micro tension bere a sintering + daa transverse fononoo hyew + aboafo spreader rollers = wrinkle-free sintered PTFE ntama.

Wobetumi ayi nwi mu sintɔ dodow no ara afi hɔ denam nhyɛso ne ɔhyew a ɛyɛ pɛ a wɔhwɛ so pɛpɛɛpɛ so. Mframa-flotation fononoo mpo betumi ama wrinkles sɛ process parameters nhyia substrate su, a ɛkyerɛ sɛ nhyehyɛe a edi mũ-process management boro adwinnade biako optimization.

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