Aragtida: 0 Qore: Tifaftiraha Goobta Waqtiga Daabacaadda: 2026-06-25 Asal ahaan: Goobta
A Cajaladda PTFE ee dhuujisa, laalaabata, ama gariirta inta lagu jiro isticmaalku waa guul-darrooyinka goobta caadiga ah. Sababta xididku waxay inta badan dib ugu noqotaa halbeeg: heerka kulaylka yaraanta substrate fiberglass.
Inta lagu jiro PTFE sintering at 360-400 ° C iyo daawaynta xabagta at 150-200 ° C, Dharka fiberglass-ku waxa uu maraa balaadhinta kulaylka iyo, aad uga sii daran, hoos u dhac aan laga noqon karin oo ka imanaya culayska haraaga tolida. Haddi diiqadaan aan la baabi'in ka hor daahan, waxay noqotaa cilad qarsoon - taasoo keenaysa in cajaladdu ay yaraato, duuduubto, ama bakhtiso marka la kululeeyo.
Aokai PTFE waxay isticmaashaa substrates fiberglass kuleyl leh si loo baabi'iyo dhibaatadan. Maqaalkani waxa uu sharxayaa sababta asaasiga ah ee hoos u dhigista kulaylka, saameyntiisa marxalad kasta oo farsamaynta, iyo xalka asaasiga ah: dhar-kuleyl hore loo dejiyay oo leh <0.5% hoos u dhaca 400 ° C.
Yaraynta kulaylku asal ahaan waxay ka timaadaa culayska haraaga gudaha ee soo ururay inta lagu guda jiro sawirista faybarka dhalada iyo tolnimada dharka. Maro fiberglass ah oo aan lahayn meel kuleyl buuxa ah waxay yeelan doontaa hoos u dhac aan la beddeli karin marka la kululeeyo heerka sii daynta walaaca (dhimista cajiibka ah waxay ka bilaabataa wax ka sarreeya 300 ° C).
Dhibaato kasta oo si aan dhammaystirnayn loo sii daayay ama culays la'aanta yaraynta culaysku waxay noqotaa mushkiladda qarsoon ee xudunta u ah taasoo keenta cabbiro cajalado aan degganayn. Cadaadiskan waa 'ku xidhan yahay' qaabka dharka inta lagu jiro tolitaanka oo kaliya wuxuu sii daayaa marka la kululeeyo heerkul ku filan.
Heerkulka PTFE ee sintering wuxuu gaaraa 360-400 ° C, oo aad uga badan heerkulka bilawga ah ee kulaylka fiberglass, taasoo ka dhigaysa marxaladan qodobka ugu muhiimsan ee waxqabadka cabbirka.
Haddii lagu farsameeyo xiisad hoose, marada fiberglassku si xor ah ayay u yaraanaysaa, taas oo keenta dherer iyo ballac aan fiicneyn. Haddii xiisad xad-dhaaf ah lagu dabaqo xakamaynta dhimista, fiilooyinka dhalada si qasab ah ayaa loo dheereeyaa. Qiyaastii 380°C, PTFE ee dhalaalaysa ayaa soo dhex gashay oo duubta fiilooyinka fidsan; qaboojinta iyo qaabaynta ka dib, u janjeera yaraanta daahsoon ayaa si joogto ah ugu xidhan substrate-ka iyada oo ah walbahaar adag oo haraaga ah. Marka cajaladda dib loo kululeeyo hababka dambe, walbahaarkan haraaga ah wuxuu kiciyaa hoos u dhaca substrate wuxuuna si toos ah u burburiyaa xasilloonida cabbirka.
Heerarka yaraynta kulaylka aan joogtada ahayn ee aagagga dharka kala duwan (tusaale, cidhifka vs. aagga dhexe) inta lagu jiro qalloocinta kicinta kicinta oo ay ku jiraan cidhifyada hirdan, geesaha la daboolay, iyo bararka dusha sare . Dusha sare ee aan sinnayn waxay keentaa dhumucda dahaarka aan sinnayn ee hababka xiga, si fudud u keenaya goobooyin hawo ama adhesion liidata inta lagu jiro lamination, iyo si dadban u sii xumaanaya xasiloonida cabbirka iyo shaqeynta ee cajaladaha la dhammeeyey.
Nidaamyada xabagta (xabagta cadaadiska-silicone-xasaasiga ah, xabagta acrylic, iwm.) waxay ku daaweeyaan 150-200 ° C. Heerkulkani waa uu ka hooseeyaa kala duwanaanshaha kala-soocidda, haddana waa ku filan in la dhaqaajiyo culayska qufulan ee hadhaaga ah ee gudaha substrate-ka, taasoo keenaysa cawaaqib xumo badan.
Markaad gelayso foornada wax lagu dawaynayo, culayska haraaga oo yaraada ee ku jira substrate-ka ayaa sii daaya oo sababa hoos u dhac la cabbiri karo. Tani waxay keenaysaa:
Dhimista ballaca xad dhaafka ah
Dildilaaca yar yar, qaabka diirka liimiga ah, ama fashilka isku xiran ee dusha koollada (sida hoos u dhac ku yimaada isku mar marka la daaweynayo)
Isbeddellada dhaadheer ee dhumucda xabagta iyo laalaabka xadhkaha sii daaya (sababtoo ah is-wakhti-la'aanta u dhaxaysa xawaaraha yaraynta dharka iyo xawaaraha toosan ee rullaluistudhka)
Lakabka substrate-ka ayaa si firfircoon u heshiiya culeyska haraaga ah ee kulul, halka lakabka koollada oo si buuxda loo daweeyay uu leeyahay isugeyn kala duwan oo balaarinta kulaylka, taasoo abuuraysa ismaandhaaf daran oo u dhexeeya labada lakab. Cajalada ayaa isla markiiba laalaaba marka laga soo fiiqo xadhkaha la sii daayo ama ay soo gaadho kulaylka inta lagu jiro isticmaalka - ku guul daraystay in ay si siman u jiifsato oo ay lumiso xakamaynta cabbirka iyo kartida shaqada.
Cadaadiska haraaga yaraynta ee aan si buuxda loo baabi'in inta lagu jiro daaweynta koollada waxay ku sii socotaa codsiga alaabta la dhammeeyey. Xiritaanka heerkul sare, daboolka kulaylka, ama xaaladaha baaskiilka kulaylka (tusaale, 260°C daahan budada ah), cajaladdu si tartiib tartiib ah iyo si joogto ah ayay u yaraanaysaa.
Natiijooyinka:
Xuduudaha indho-shareerka oo la beddelay
Cidhifka kor u qaadida ama adhesion failure
Luminta buuxda ee xasilloonida cabbirka
Tani waa sababta qaar ka mid ah cajaladaha ay ku fashilmaan gudaha garoonka xitaa ka dib marka ay gudbaan kormeerka hore - diiqada qarsoon ayaa si tartiib tartiib ah loo sii daayaa wakhti ka dib iyo soo-gaadhista kulaylka.
Si loo soo saaro cajalado dhejis ah oo PTFE ah oo xasiloon, fiditaanka xiisadda lagu qasbay ma xallin karto arrimaha hoos u dhaca asal ahaan. Ka saarida dhamaystiran ee yaraynta fiberglass waa in lagu gaaraa meesha laga keenay.
Isticmaal maro saldhig ah oo kuleyl leh (horey u libdhay) fiberglass - heerka kulaylka heerkulka si adag loo xakameeyo ka hooseeya 0.5% ee xaaladaha imtixaanka 400°C × 10 daqiiqo
Ku dar habka heerkulka sare ee kahortagga kahor intaan PTFE impregnation ama dahaarka - u oggolaanaya marada fiberglass si ay u dhamaystirto yaraanta bilaashka ah oo si buuxda u sii daayo dhammaan walbahaarka gudaha ka hor inta aanad gelin aagga sintering.
Marka heerka dhimista kulaylka ee dharka fiberglass-ka la yareeyo, kala duwanaanshaha cabbirka inta lagu guda jiro xinjirowga soo socda iyo daawaynta xabaggu waxay ka iman doontaa oo kaliya balaadhinta kulaylka iyo foosha ee lakabyada xabagta iyo xabagta - oo leh cabbir aad uga yar marka loo eego dhimista walaaca hadhaaga ah. Tani waxay dammaanad ka qaadaysaa:
Degganaanshaha cabbirka (dhererka iyo ballaca)
Baaxnaanta dusha sare
Iska caabinta kulaylka iyo isku halaynta muddada dheer
Aokai PTFE waxay doorataa kaliya kuleyl si buuxda loo dejiyay substrates fiberglass oo leh heerar yareyn oo la diiwaangeliyay. Waxaan ku siin karnaa xogta imtixaanka shuruudaha macaamiisha.
Marxaladda Habaynta |
Heerkulka |
Maxaa Dhacaya Haddi Maro Aan Heer-kuleelka La Dejin |
Faa'iidada Dharka Kuleyl-Dejinta Kahor |
|---|---|---|---|
PTFE isku-darka |
360-400°C |
Yaraynta aan laga laaban karin ama walbahaarka qufulan ee qarsoon |
Wax walbahaar la'aan si loo sii daayo; cabbir deggan |
Dawaynta xabagta |
150-200°C |
Yaraynta heerka labaad, laalaabka, cilladaha dusha sare |
Dhaqdhaqaaq labaad ma jiro; lakabka xabagta siman |
Kuleylinta isticmaalka dhamaadka |
Ilaa 260°C |
Si tartiib tartiib ah u dhimid, gees qaadis, xuduudo la bedelay |
Deggan inta aad nooshahay oo dhan |
Aokai PTFE waxay ku talinaysaa muraayada kuleyl ee hore loo dejiyay oo leh hoos u dhac <0.5% dhammaan codsiyada cabbirka-muhiimka ah. Macaamiisha u baahan cabbir ultra-stable, waxaan siinaa darajooyin qaali ah oo hoos u dhac <0.3% at 400°C.
Qoraalkan farsamo waxaa bixiyay Jiangsu Aokai New Material Technology Co., Ltd.
Haddii aad u baahan tahay tilmaamo faahfaahsan, xaaladaha codsiga iyo xalalka la habeeyey ee safkayaga alaabta oo dhan oo ay ku jiraan PTFE dhar heerkul sare leh, cajalado dhejis ah oo heerkul sarreeya PTFE, suumanka gudbinta mesh PTFE, suumanka mashiinka fusing aan fiicneyn, maro PTFE hal dhinac ah oo dahaarka leh, suunka gudbinta kuleylka u adkaysata iyo kanaalka fiber-ka hooseeya
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