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Tef ɗin Adhesive PTFE Menene
sakamakon kula da tashin hankali na yanar gizo yayin aikin shafi na Teflon high-zazzabi tef a kan flatness na PTFE substrate da uniformity na m shafi?
Mene ne sakamakon yanar gizo tashin hankali iko a lokacin shafi aiwatar da Teflon high-zazzabi tef a kan flatness na PTFE substrate da uniformity na m shafi?
PTFE abu yana da ƙananan modules na roba. Da zarar tashin hankali ya wuce iyakarsa na roba, shimfidar filastik da ba za ta iya jurewa ba tana faruwa, wanda ke haifar da tsayin tsayin daka da kunkuntar juzu'i. Bayan an fito da tashin hankali, abin da ke ƙasa ba zai iya dawowa zuwa siffarsa ta asali ba, wanda ke haifar da raguwa, wrinkles na tsayi, da rashin daidaituwa. A cikin lokuta masu tsanani, ƙila za a iya yin sifofin wavy masu juyawa.
2. Taruwa (Cold Flow) Taruwa Tsawon Lokaci
PTFE yana jurewa jinkirin kwararar filastik a ƙarƙashin dorewar tashin hankali. A lokacin aikin shafa, ma'aunin yana yin laushi lokacin da aka yi zafi a cikin tanda mai bushewa, kuma kullun yana ƙaruwa. Wannan rashin daidaituwar tsayin daka yana zama 'daskararre' bayan sanyaya, yana haifar da rashin daidaituwa a saman ko ƙugiya mai tsayi, waɗanda ba za a iya kawar da su ta hanyar matakai na gaba ba.
3. Rashin daidaituwar tashin hankali
Rashin daidaituwa na rollers jagora ko kuskuren jagorar gefen zai iya haifar da bambance-bambancen tashin hankali tsakanin gefuna da tsakiya, wanda zai haifar da 'gefukan lanƙwasa,' kumburin tsakiya, ko warping-gefe ɗaya. Sauye-sauyen tashin hankali na lokaci-lokaci kuma na iya haifar da madaidaicin madaidaicin 'alamomi mara-tsaye' akan saman ƙasa, suna yin lahani kai tsaye.
II. Tasiri kan Haɗin Rufe na Maɗaukakiyar Layer
1. Canje-canjen Tashin Hankali Yana Canza Tazarar Rufi
A cikin suturar wuka-over-roll, tashin hankali kai tsaye yana ƙayyade matakin lamba tsakanin substrate da ruwan likita. Lokacin da tashin hankali ya karu ba zato ba tsammani, ana danna maɗaukaki mai ƙarfi, rage nauyin sutura; lokacin da tashin hankali ya ragu, substrate ya sassauta, yana ƙara nauyin sutura. Irin waɗannan sauye-sauye suna haifar da sauye-sauye na lokaci-lokaci a cikin kauri mai mannewa tare da jagorar gidan yanar gizon, wanda aka sani da suna 'Rashin madaidaici' ko 'alamomin zebra.'
2. Miqewa Substrate Yana Shafar Yadawa Adhesive
Matsananciyar tashin hankali yana ɓata fim ɗin PTFE kuma yana haifar da ƙananan wrinkles, waɗanda ke yin kwafin su ta hanyar manne a saman ƙasa mara kyau. Bayan an saki tashin hankali kuma fim ɗin ya koma baya, manne Layer na iya haɓaka ƙananan fasa saboda rashin daidaituwa. Don masana'anta fiberglass substrates, matsanancin tashin hankali yana haɓaka tsaka-tsakin yarn, yana haifar da shigar manne fiye da kima, ƙarancin riƙewar ƙasa, da maɗaukakin farfajiya.
3. Tasirin Haɗe-haɗe yayin dumama da bushewa
PTFE yana da babban adadin haɓakar haɓakar thermal. A cikin tanda mai bushewa, idan saitunan tashin hankali na yanki da yawa ba su daidaita ba, mai laushi mai laushi mai zafi yana jujjuyawa na biyu, yana karkatar da rigar manne tare da shi, yana haifar da laushi mai laushi da rashin daidaituwa bayan bushewa. Rashin dacewar tashin hankali a yankin sanyaya kuma na iya haifar da raguwar wrinkles a cikin ƙaramin busasshiyar mannewa.
III. Dabarun Sarrafa Maɓalli
1. Sassan kwancewa da sutura
Ya kamata a yi amfani da matsananciyar ƙaƙƙarfan ƙaƙƙarfan tashin hankali, kawai isa don hana substrate daga wrinkling, ƙyale shi ya shiga yankin shafi a cikin yanayin yanayi kuma ya guje wa riga-kafi.
2. Yankunan bushewa da sanyaya
Ya kamata a yi amfani da daidaitaccen daidaitawa ta hanyar rollers masu iyo don ramawa rayayye don faɗaɗawar thermal da ƙanƙancewar ma'aunin, kuma dole ne a guje wa babban tashin hankali a cikin yankuna masu zafi.
3. Sashin Juyawa
Dole ne a ɗauki tashin hankali taper, sannu a hankali rage matsa lamba yayin da diamita na girma ya ƙaru, don hana lalata saman rufin ko 'canjawa' rashin daidaituwa daga yaduddukan da ke ƙasa zuwa yadudduka kusa.
IV. Takaitawa
Daidaitaccen sarrafa tashin hankali shine ainihin abin da ke daidaita halayen halayen PTFE - wato ƙananan juzu'i da lallausan rarrafe-tare da buƙatu don daidaituwar Layer na manne. Kai tsaye yana ƙayyade aikin ƙarshe na teflon teflon a cikin aikace-aikace kamar juriya mai zafi da kaddarorin saki.
Idan kuna son ƙarin koyo game da cikakkun bayanai dalla-dalla, yanayin aikace-aikacen, da gyare-gyaren gyare-gyare don cikakkun samfuran samfuranmu, gami da masana'anta masu zafin jiki na Teflon, Teflon high-zazzabi tef, Teflon high-zazzabi raga bel, sumul conveyor bel don bonding inji, guda-gefe PTFE masana'anta, high-resistant-zazzabi fiberglass, high-resistant fiberglass. masana'anta, da fatan za a iya tuntuɓar mu ta hanyar masu zuwa:
