Wannan labarin yayi cikakken bayani game da aikace-aikacen Teflon masana'anta mai zafin jiki a cikin masana'antar makamashin hasken rana. Core aikace-aikace a cikin lamination module: saki masana'anta sanya a sama / kasa PV kayayyaki hana narkakkar EVA (140-150 ° C) adhering zuwa dumama farantin ko roba farantin, kayan aiki kariya da kuma tabbatar da santsi module saman; bel na jigilar laminator don saukewa / saukewa ta atomatik; roba platen kariyar masana'anta mika rayuwar sabis. Siyar da kirtani ta salula: bel ɗin na'ura mai ɗauke da sel da kintinkiri ta yankin dumama, tare da juriya mara tsayi da fashewar solder; dumama matashin dandali domin soldering workstations. Ƙunƙarar zafi mai zafi: nannade don bututun dumama, thermocouples, igiyoyi a cikin laminators da tanda; kayan aiki thermal rufi labule da garkuwa.

Wannan labarin ya ƙunshi matakan pretreatment da ake buƙata don masana'anta fiberglass kafin PTFE emulsion impregnation. Mataki na 1: Maganin zafi / dewaxing a 300-450 ° C don cire gaba daya paraffin kakin zuma da mai daga fiber surface (paraffin wax, sitaci derivatives), ragowar girman abun ciki da ake bukata a kasa 0.2%, samar da 'zafi-dewaxing masana'anta.' Mataki na 2: Surface sinadaran magani - aikace-aikace na silane coupling agents, KH-5550s (KH-550) samar da fim ɗin haɗin gwiwar sinadarai a kan fuskar fiber, yana ba da damar gada ta ƙwayoyin cuta tsakanin filayen gilashin inorganic da PTFE na halitta; Yadudduka da aka riga aka yi magani na kasuwanci na iya tsallake wannan matakin amma dole ne a tabbatar da su. Mataki na 3: bushewa da preheating - bushewa a 80-120 ° C na tsawon sa'o'i 1-2 don rage danshi da ke ƙasa 0.1%, hana kumfa/rauni samu yayin warkewa.

Wannan labarin yana nazarin canje-canjen tsari na masana'anta na fiberglass mai rufi na PTFE a cikin mahalli masu lalata sinadarai. PTFE shafi yana da tsayin daka sosai a yawancin kafofin watsa labarai (ciki har da aqua regia, acid mai tattarawa, abubuwan kaushi na halitta) - sarƙoƙi na kwayoyin sun kasance kusan ba su canzawa. Banbance-banbance: karafa na alkali da aka narkar da su suna fitar da sinadarin fluorine da ke haifar da carbonization (launin ruwan kasa/baki, gaggautsa); magunguna masu ƙarfi (F₂, ClF₃) karya kashin bayan carbon-carbon; wasu kaushi-nau'in Freon suna haifar da kumburi; zafi mai daɗaɗɗa oxidizing acid sannu a hankali suna gabatar da ƙungiyoyin polar a saman.

Wannan labarin ya ba da cikakken bayani game da aikace-aikacen masana'anta na fiberglass mai rufi na PTFE a cikin masana'antar lantarki da lantarki. Manyan wurare shida: Babban zafin jiki da kariya - motar tsaka-tsakin juyawa / ramuka / rufin lokaci, rufin rufin wuta, naɗaɗɗen wuta, keɓance kayan aikin dumama lantarki; Copper-clad laminate da PCB masana'antu - saki zane a PCB lamination, prepreg da CCL mai tsabta isar; Sayar da Lantarki - Solder masking don igiyar ruwa/sake dawo da siyarwar (kariyar yatsa ta zinari), bel ɗin ɗaukar tanda mai sake jujjuyawa, kayan aikin saida kayan aiki, murfin kariyar bindigar iska mai zafi; Cable da wiring kayan doki - high zafin jiki na USB nannade tef, thermal hannayen riga da wuta hana murfi, zafi-rushe tubing fadada sarrafa bel; Anti-static and cleanroom — bel mai ɗaukar ɗaki mai tsafta da tabarmi na wurin aiki, semiconductor da isar da yanayin zafi mai zafi.

Wannan labarin yana gabatar da hanyoyin kimantawa don hanawa da sauƙin tsaftacewa na masana'anta na fiberglass mai rufi na PTFE akan tabo mai da ƙura. Hanyoyi sun haɗa da: kusurwar lamba da gwajin makamashi na saman - kusurwar hulɗar ruwa yawanci> 110 °, kusurwar jujjuya 越小越好, makamashin saman da ya dace 18-20 mN/m; Gwajin kwasfa na injiniya - ƙarfin kwasfa 180 ° tare da daidaitaccen tef, manufa <0.1 N/25 mm; Gwaje-gwajen juriya na man fetur da aka kwaikwaya - hanyar zamewar mai tabo / sauran hanya, ingantaccen gogewar gogewa mai ƙima ta amfani da ma'aunin launi na ΔE (ƙananan ΔE = mafi kyawun tsaftacewa), da gwajin alamar mai mai sauri (tashin tawada yana nuna kyakkyawan rigakafin lalata); Gwajin ƙura - Hanyar daidaita ƙura tare da nazarin hoto, cire ƙurar ƙurar iska mai aunawa mafi ƙarancin busa-kashe, da ƙimar tallan lantarki ta hanyar juriya na sama; Ƙimar ɗorewa - maimaita duk gwaje-gwaje bayan tsufa mai zafi (260°C/300°C) ko lalatawar Taber don tabbatar da kwanciyar hankali na dogon lokaci.

Wannan labarin ya ƙunshi aikace-aikace na Teflon high-zazzabi zane (PTFE-rufi fiberglass masana'anta) a cikin sararin samaniya filin. Maɓallin aikace-aikacen yanki: masana'antar kayan haɗin gwiwa - sakin zane / fim a cikin gyare-gyaren autoclave, keɓewa yadudduka, bel mai ɗaukar zafi mai zafi don samar da prepreg; Injin da kariyar zafin jiki mai zafi - barguna masu rufewa na thermal, bangon bangon wuta, haɗin haɗin zafi mai sassauƙa; Rufin wutar lantarki da kariyar kayan aikin waya - nade na USB a cikin ɗakunan injin da wuraren saukar da kaya; Abubuwan ciki na jirgin sama da kariya ta wuta - labulen wuta / shingen hayaki da ke saduwa da ka'idodin FST, thermal / aoustic insulation bargo; Aikace-aikacen sararin samaniya da sararin samaniya - majalisu masu dumbin yawa (MLI), layukan lubrication na anti-sanyi-weld don hanyoyin jigilar hasken rana da hinges na eriya, zane mai sarrafa zafi.

Wannan labarin ya bayyana yadda PTFE shafi shaidu zuwa fiberglass masana'anta substrate a Teflon high-zazzabi zane. Haɗin sinadaran kai tsaye ba zai yiwu ba saboda PTFE's ultra-low surface energy. Ana samun haɗin kai ta hanyar: Haɗin kai na injiniya (haɗin kai na jiki) - PTFE emulsion yana shiga raƙuman fiber kuma yana riƙe da daure fiber bayan sintering; Silane hadawa wakili pretreatment - Forms kwayoyin gada tsakanin inorganic gilashin zaruruwa da Organic primer; Layer canji na kemikal - ta amfani da PAI, PPS, PES ko PEEK resins tare da micropowder PTFE, ana amfani da shi bayan haɗawa da jiyya don ƙirƙirar ƙirar canji mai ƙarfi; Hot-narke m fim lamination - FEP ko PFA fina-finai (narkewar batu 260-310 ° C) bond pre-kafa PTFE fina-finan zuwa masana'anta; Tsarin gradient ta hanyar haɓakawa da yawa da hawan hawan igiyar ruwa - tsarma izinin farko tare da wakili mai ɗaure / haɗawa yana shiga zurfi cikin zaruruwa, sannan tsarkakakken PTFE impregnations, ƙirƙirar gradient abun ciki daga fiberglass zuwa PTFE mai tsabta.

Wannan labarin yana gabatar da fa'idodin PTFE high-zazzabi zane a matsayin babban zafin jiki tace kafofin watsa labarai. Ƙarfin maɓalli shida: Fitaccen juriya na zafin jiki (ci gaba da 260 ° C, kololuwa ~ 300 ° C), wuce PPS (190 ° C) da aramid (200 ° C); Matsanancin rashin ƙarfi na sinadarai a kan acid, alkalis, kaushi da oxidants, hydrolysis-resistant, outperforming aramid da P84 a cikin lalata flue gas; Mafi kyawun aikin tsaftace ƙura tare da ƙarancin ƙarancin ƙarfi na ƙasa wanda ke ba da damar kawar da kek ɗin ƙura mai sauƙi da ci gaba da raguwar matsa lamba; Kyakkyawan ingancin tacewa tare da girman pore 0.1-3μm yana ɗaukar sama da 99.99% na abubuwan PM2.5; Rashin ƙonewa tare da LOI sama da 95%, tare da zaɓuɓɓukan anti-a tsaye akwai; Babban ƙarfin injiniya daga ƙarfafa fiberglass, tare da tsararren PTFE fiber kafofin watsa labarai yana ba da sassauci da> 4 shekara sabis rayuwa. Kwatanta da kyau da PPS, aramid, Nomex, P84 da fiberglass tace kafofin watsa labarai a cikin zafin jiki, juriya na sinadarai, juriya na hydrolysis da aikin tsaftacewa.

Wannan labarin yana ba da jagorar tsari akan hana wrinkles akan zane mai zafin jiki na PTFE yayin sintering. Wrinkles suna haifar da asali ta hanyar raguwar yanayin zafi mara daidaituwa da rashin daidaituwa. Magani suna rufe cikakken aikin aiki: sarrafa kayan albarkatun ƙasa (cikakken dewaxing / saitin zafi don kawar da damuwa na ciki); impregnation da bushewa (mafi yawa na bakin ciki coatings, m zafin jiki gradient, m drive rollers); sintering tanderu iko (1-3% overfeed don thermal shrinkage izni, rufaffiyar madauki micro-tashin hankali iko, transverse zafin jiki uniformity tsakanin ± 5 ° C, gradient preheating-sintering-sanyi kwana, iska-flotation tanderu a matsayin mafi kyau duka bayani, lankwasa yada rollers); sanyaya da saitin (hannun hankali sannu a hankali, kula da yadawa har zuwa kasa 100 ° C, cikakken sanyaya kafin iska); saka idanu akan layi tare da duban haske mai ƙarfi da sikanin infrared.

Wannan labarin yana nazarin yadda yashi ko matt gama jiyya ke shafar tsarin saman PTFE babban zane mai zafin jiki. Canje-canje na faruwa a cikin nau'i uku: Ƙwararren ilimin halitta yana canzawa daga santsin madubi-kamar zuwa ruɓaɓɓen rubutun gully tare da haɓaka ƙimar Ra/Rz sosai, ƙirƙirar ƙirar injina na 3D don haɗin gwiwa na gaba. Mutuncin rufa yana fuskantar haɗari: PTFE Layer thinning, yuwuwar fallasa na fiberglass substrate (wanda ke haifar da asarar kadarar da ba ta da itace, shigar danshi, da rage ƙarfin injina), da microcracks da tarkace.