Fɔ drɛy na impɔtant tin fɔ du PTFE ay-temperature fabrik prodakshɔn. Afta dɛn dɔn impregnate fayv glas fabrik wit PTFE ɛmulshɔn, i kin pas tru wan ɔvin we de drɛy fɔ pul wata ɛn fiuz di PTFE patikyula dɛn to wan kɔntinyu kɔtin.
כltu, di drying prכsεs kin introdכks bכku difεkt dεm – frכm surface krak εn pinhol to delamination εn warpage. dis difεkt dεm de kכmכt frכm di kכmpleks intarakshכn bitwin di emulshכn prכpati dεm, sabstεrayt strכkchכ, εn drying paramita dεm.
Aokai PTFE dɔn ɔptimayz drying prɔses akɔs bɔku prɔdak dɛn. Dis gayd de tɔk bɔt di tɛn tin dɛn we kin apin we pɔsin drɛy, di tin dɛn we kin mek dɛn drɛy, ɛn di tin dɛn we dɛn kin du fɔ sɔlv dɛn.
Coating Krak ɛn Krayz
Di sayn dɛm: Fayn ɔ wayd krak krak dɛn de skata ɔlsay na di klos; if i bad, di kɔtin kin kɔmɔt insay flɛks.
Di rut tin dɛn we kin mek i apin:
di spid we yu de dray fast pasmak – di wata we de kכmכt kwik kwik wan na di sכfa de fכm wan dray skin layεr. di wata we de insay di wata we dɔn vaypa de brok tru di fim we de na di wɔl ɔ i de mek siriɔs shrinkage strɛs.
di hכy PTFE sכlid kכntεnt – de mek mכsiv vכlyum shrinkage di tεm we patikyula akyumyuleshכn de.
di tεmprachכ we di dryin hכy pasmak כ כva strכng כt εya – de rεsult in surface skinning we di insay layεr de stil nכ dry, we de kכnsantreyt strεs εn trigεr krak krak.
Sɔlv dɛn:
Yuz wan gradient drying profayl: low temperechur na di fכs zon, sכmtεm de inkrεs.
Ridyus di initial drying intensity (tɛmpracha ɛn di ayflɔ).
di simptom dεm: Di fabrik sεf gεt bכku rεsin εn i de luk lכs, we di rεsin we nכ bכku de fulכp di gap dεm bitwin di intanεt fayv bכndεl dεm. kros-sekshכn obsכbishכn de sho wan nכ ivin strכkchכ wit dense כta kכt εn spays insay kכt.
Di rut tin dɛn we kin mek i apin:
Fayn PTFE patikyula dεm de muv go na di sכfa wit wata fכ fכlכ as mכsichכ de εvapכret aut.
Slow drying ɔ wan-sayd ɔt de mek dis maykreshɔn wɔs.
Di sayn dɛm: Smɔl smɔl sɛkɔla ol ɔ bɔbul mak dɛn we rayz na di kɔtin sɔfays.
Di rut tin dɛn we kin mek i apin:
rεsidyual maykrobכbul dεm insay di εmulshכn we dεn nכ trit.
Di briz we kin trɔp insay fayv glas klos pores kin bɔku ɛn rɔnawe we i wam.
Shap bɔyl ɛn vaypa we wata de brok de brok tru di kɔtin fim.
lכw-viskositi emulshכn, pwεl sabstεrayt wet, כ rεpid tεmprachכ rayz we dεn de drεy כl dis de mek di pinhol dεfεkt dεm bכku.
Sɔlv dɛn:
Degas di emulshɔn bifo impregnashɔn.
Yuz difoma ɛn mek shɔ se di fayv glas wet gud gud wan.
Kontrol di initial drying temperechur fɔ avɔyd vaylɛnt bɔyl.
Inkrεs di emulshכn viskositi sכmtεm fכ rεsist bכbul rכpchכ.
Wait Spɔt, Hazing, ɛn Chalk
Di simptom dɛm: Lokal ɔ ɔvalayn fɔg wayt pat dɛm na di kɔtin; di pauda rεsidεns dεm de fεl kכmכt na di sכfa insay siriכs kes dεm.
Tu difrɛn we dɛn we dɛn kin du am:
Wait spat / hazing: .
Ultra-fast drying de mek maykrokrak we de skata layt.
di sכfaynt dεm de muv εn akumulet pan di sכfa, we de mek di mכsichכ de wayt.
If yu drɛy am kɔmplit wan, i kin lɛf wata we lɛf ɛn i kin mek wayt blemish dɛn we tan lɛk watamak.
Chalk we yu de yuz:
we di tεmprachכ hכy pasmak כ dayrekt hot εya impak de mek di PTFE patikyula dεm we de na di sכfayz nכ de fכs insay wan intagreted film, we de lεf lכs pauda.
di emulshכn we nכ stebul kin brok εn agglomerate insay pauda kכlכm dεm we i de drεy.
Sɔlv dɛn:
Nɔ yuz di tɛmpracha we yu de drɛy pasmak.
Mek shɔ se yu dɔn sinta kɔmplit wan – nɔto jɔs fɔ drɛy.
Kontrol surfactant konten in di emulshɔn fɔmyulashɔn.
Yɔlɔ ɛn Kɔk
Di sayn dɛm: Di kɔtin kin tɔn yɔlɔ, ivin wit brawn skɔch mak dɛm.
Di rut tin dɛn we kin mek i apin:
כva hεy drying tεmprachכ כ lכng rεsidεns tεm de trigεr tεmכl כksidεtiv dεkכmכshכn fכ sכfaynt, tikna dεm na di εmulshכn, εn rεsidyual fayvglas sayzin ejen dεm.
PTFE insɛf gɛt fayn fayn ɔt rɛsistɛns, bɔt ɔgzilari aditiv dɛn nɔ kin ebul fɔ bia wit ɔt we pasmak.
Infrared ɔt we nɔ ivin de mek lokal ɔva ɔt zon dɛn.
Sɔlv dɛn:
Set drying temperechur dכn di dikomposishכn thrεshold fכ כl di aditiv dεm (tipikli <380°C fכ PTFE sintering, bכt avכyd sustained >350°C).
Mek shɔ se yu gɛt wanwɔd ɔt akɔdin to di ɔvin wit.
Yuz aditiv dɛn we gɛt ay klin ɛn we nɔ de chenj di wam.
H2: 6. Kotin Liftin ɛn Delaminɛshɔn
di simptom dεm: di kכt de separet frכm di fayv glas sabstεrayt intafεys, i kin kכl insay big sheet כ i kin kכl am bay we i de rכb.
Di rut tin dɛn we kin mek i apin:
Dray shrinkage strεs pas intafεshal bכndin fכs.
Fayba glas sɔfays we nɔ klin ɔ we dɛn nɔ trit kin mek di emulshɔn wet fayn.
Ivin shrinkage frɔm wan-sayd fast drying.
rεsin dεplεshכn na di sabstεrayt intafεys we kכz bay kכt maygrεshכn de fכm wan wik bכnda layεr.
Sɔlv dɛn:
Mek shɔ se yu klin di say we yu de yuz fayn fayn wan ɛn yu dɔn trit di fayv glas bifo tɛm (ɛgz., fɔ klin wit ɔt fɔ pul di sayz).
Singl-sayd drying כ big tεmprachכ grεdiεnt de mek difrεnt shrinkage na tu sayd dεm na di fabrik.
Sɔlv dɛn:
Mentɛn balans wɔp/weft tɛnsiɔn we yu de drɛy.
Yuz tu-sayd ɔt fɔ balans shrinkage.
Pri-shrink di fayv glas fabrik bifo yu kɔt am.
Surface Dry Bɔt Intɛriɔ Wet – Rol Blɔk
Di sayn dɛm: Di kɔtin kin fil dray we yu tɔch am yet i kin kip di wata we de insay. Di layers we dɛn kɔt kin stik to dɛnsɛf afta dɛn dɔn waynd, wit lawd peel nɔys ɔ di kɔt damej we dɛn de unwind.
Di rut tin dɛn we kin mek i apin:
di hכy drying tεmprachכ we dεn pe wit sכt rεsidεns tεm de fכm wan sכfayz skin we de blכk intanεt wata vapour dischaj.
If yu nɔ kol afta yu kɔmɔt na di ɔvin we yu de drɛy, i de lɛf ɔt we lɛf ɛn i de mek di sɔfaynt dɛn tak.
If yu drɛy am kɔmplit wan, i kin lɛf wata we lɛf ɛn ad tin dɛn fɔ mek stika fim dɛn.
Sɔlv dɛn:
Yuz lɔwa drying tɛmpracha wit lɔng tɛm fɔ de – alaw mɔstɔ fɔ kɔmɔt smɔl smɔl.
Mek shɔ se di briz de blo fayn ɛn mek di ɔvin nɔ gɛt wata.
Gi inof kol bifo yu waynd (target <40°C).
Tik Selvedges ɛn Uneven Kɔtin Tiknɛs
di simptom dεm: di kכt we de na di fכs ed dεm de tik klia wan pas di sεntral εria, כ difrεns bitwin strεp tik we de apin kכs di wεb.
Di rut tin dɛn we kin mek i apin:
Fast mכsichכ evaporeshכn na sεlvεd dεm de drεb emulshכn akyumyuleshכn εn maygrεshכn tכwεd edj dεm we dεn de dry – di 'kכfi ring ifekt.'
Di distribyushɔn we di ɔt ɛya nɔ ivin de mek difrɛn difrɛn drying rɛt dɛn.
Sɔlv dɛn:
Impruv di yunifom we di briz flɔ akɔdin to di ful fabrik wit.
Yuz ed-zon tɛmpracha kɔntrol ɔ baf fɔ ridyus di ed drying rit.
Adjɔst kɔtin tɛknik fɔ aplay mɔ yunifom wet film tiknɛs.
Sɔma – Ki Dray Paramita fɔ Kɔntrol
Difɛkt
Di Praymari Kɔz
Fɔ mek dɛn nɔ gɛt dis sik
Krak krak krak
Tu fast initial drying, skinin
Gradient tɛmpracha; slow initial zon
Di we aw pipul dɛn de muf go ɔdasay
Slow drying, wan-sayd ɔt
Fasta initial set; tu-sayd fɔ ɔt
Pinhol dɛn we dɛn kin yuz fɔ mek tin dɛn
Trap di briz/stim bɔbul dɛn
Degas emulshɔn we dɛn kin yuz; di ɔt we dɛn kin kɔntrol
Wait spat/hazing
Surfaktant maykreshɔn, maykrokrak
Modaret drying; gud kɔntrol fɔ di sɔfaynt
Yɔlɔ/kɔk we de mek pɔsin kɔk
Atikul dɛn we de ɔva ɔt
Di tɛmpracha we smɔl; yunifom ɔt
Delaminɛshɔn
Shrinkage strɛs > adheshon
Sɔfayz tritmɛnt; ridyus strɛs
Ɔrɛnj peel
Poor levelling
Lɔwa initial temp; ridyus di we aw di briz de flɔ
Warpage we dɛn kɔl
Tɛnshɔn/shrinkage we nɔ ivin
Balans tɛnsiɔn; tu-sayd fɔ ɔt
Rol blok we yu de blok
Dray surface, wet kor
Lɔwa temp + lɔng tɛm; kol bifo yu wind am
Tik ed dɛn
Kofi-ring ɛfɛkt
Yunifɔm we di briz de flɔ; edj tɛmpracha kɔntrol
Aokai PTFE de tek tɛm kɔntrol di drying paramita dɛn – tɛmpracha profayl, di ayflɔ, di tɛm we dɛn de de, ɛn tɛnsiɔn – fɔ mek dɛn prodyuz PTFE fabrik we nɔ gɛt dɛn difrɛns ya. Fɔ kɔstɔm kɔtin aplikeshɔn, wi kin ɔptimayz drying kɔndishɔn fɔ yu spɛshal prɔdak rikwaymɛnt dɛn.
