Menene rufin allo conformal?menene sakamakon?
Yadda ake yin samfura masu dorewa a cikin yanayi mara kyau shima muhimmin batu ne.Ta yaya za mu kare madaidaicin samfuranmu daga waɗannan illolin masu lalata?Da farko, ana kiyaye na'urorin lantarki ta hanyar da ake kira potting.Ana samun wannan ta hanyar rufe na'urorin lantarki a cikin wani shinge na filastik na al'ada wanda ke buɗe a gefe ɗaya, kamar mai shuka mai siffa mai banƙyama.Sa'an nan kuma cika shi da wani abu mara amfani kamar acrylic ko silicone.Wannan yana kare na'urar daga yanayin waje, amma yana ɗaukar lokaci, babba, nauyi da tsada sosai.Mutane kaɗan ne daga wajen abokan cinikin soja ko masana'antu za su iya amfani da shi a zahiri.Yayin da na'urorin lantarki suka zama ƙarami kuma sararin samaniya, nauyin nauyi, lokaci da farashin farashi sun zama mafi mahimmanci, wata hanyar ƙarfafawa ta zama mafi mahimmanci: suturar da aka saba da ita, ma'auni don suturar da aka saba da ita a gaba ɗaya Yana da kauri mai kauri ƙasa da 0.21mm.
Shafi na yau da kullun shine aikace-aikacen kayan don suturta saman samfur don kare abubuwan lantarki daga wurare masu tsauri.Mafi na kowa shine don danshi.Har ila yau, masana'antun da ke amfani da suturar yau da kullun suna haɓaka, amma galibin likita, soja, ruwa, motoci da masana'antu.Har ila yau, ana amfani da suturar da aka yi amfani da ita a kan wasu ƙayyadaddun samfurori waɗanda galibi ana fallasa su ga ruwa ko muhallin sinadarai, kamar injin wanki, injin wanki, ko duk wani kayan aiki da aka ƙera don zama a waje, kamar kyamarar tsaro.Bugu da ƙari, don kare kayan lantarki, ana iya amfani da sutura masu dacewa a cikin aikace-aikacen kwaskwarima kamar ƙara ƙazanta ko juriya na iskar shaka zuwa saman (hanyoyi masu tsabta akan motoci), ƙara mai sheki ko slick jin ga casings, ƙara smudges / yatsun hannu ko ma canza kayan gani na gani na gani. ruwan tabarau.
Yadda za a kula da da'ira?
Akwai hanyoyi daban-daban na shafa allunan kewayawa, kowannensu yana buƙatar kayan shafa daban-daban don cimma.Da farko, kuna buƙatar sanin menene manufar suturar.Kuna kare PCBA daga yanayi, mai daban-daban, girgiza injiniyoyi, mold, da sauransu?Ana amfani da abubuwa daban-daban don dalilai daban-daban, kuma ilimin sunadarai da aka yi amfani da shi don sutura ya bayyana ainihin abin da sutura zai iya cimma.Misali, idan kana son kare PCBA dinka daga danshi da gishiri, kuma kana son kara juriya ga ESD, parylene zai zama zabi mai kyau.Duk da haka, idan abubuwan da ke kan PCBA suna kula da zafi ko vacuum, parylene ba zabi mai kyau ba ne saboda duka abubuwa biyu suna nan a lokacin aikin suturar parylene.Acrylic ba zai iya yin lantarki da yawa ba, amma zai kare PCBA ɗinku daga danshi da fesa gishiri.Hakanan za'a iya shafa shi ta hanyoyi daban-daban a yanayin zafi na ɗaki.
Rarrabewa da Raw Kayayyakin Rubutun Conformal
Acrylics tabbas sune mafi yawan fenti a yau.Hakanan abu ne mafi arha da ake amfani da shi.Babban fa'idodinsa shine farashi da sauƙin sarrafawa, amma kuma yana da wasu manyan lahani.Zafin yana tausasa shi, kuma yana da ƙonewa, ma'ana yana iya yin rauni a wasu yanayi kuma, kamar wasu gyare-gyare, mai saurin lalacewa da sinadarai da harin halitta.Idan ana buƙatar sake yin aiki, ana iya cire shi ta amfani da kaushi ko zafi.
Polyurethane wani shafi ne na kowa.Idan aka ba da siliki na hydrophobic da oleophobic Properties, yana da kyakkyawan kayan shafa.Duk da haka, waɗannan kaddarorin iri ɗaya suna nufin ba shi da yuwuwar mannewa kan wasu saman, kuma dole ne a rage ƙetare.Sake yin aiki yana buƙatar kaushi na musamman don cirewa.
Silicones suna da kaddarorin musamman waɗanda ke sanya su sutura masu amfani inda wasu ba su da.Yana da juriya ga yanayin zafi mai girma, ilimin halitta da rashin ƙarfi, kuma a lokaci guda hydrophobic da oleophobic.Waɗannan kaddarorin kuma suna nufin cewa yana da wahala a haɗa su da sauran kayan, kuma dole ne a ɗauki matakan ragewa don hana lalata.Rubutun sa na roba da juriya na sinadarai kuma yana nufin dole ne a cire shi ta hanyar injiniya don sake yin aiki.
Epoxy resin abu ne mai wuyar gaske wanda kuma yana da wasu fa'idodi na musamman.Ƙarfinsa yana nufin ana iya amfani dashi azaman ƙarfafawa na inji, amma mafi ban sha'awa ana iya amfani dashi azaman na'urar aminci.Haɗa epoxy tare da wasu kayan, irin su sanduna, yana haifar da tsayayyen tsari wanda zai lalata kansa da na'urorin da ke kusa idan an yi ƙoƙarin raba shi da PCBA ta hanyar injiniya.Epoxies kuma suna da zafi da juriya.Har ila yau, taurinsa da saita lokacin ba su da lahani saboda yana ƙara lokacin sarrafawa kuma yana sa sake yin aiki kusan ba zai yiwu ba.
Nanocoatings shine mafita mai tasowa.Yayin da wannan fasaha ta girma, kaddarorin da ayyuka na nanocoatings suna haɓaka da sauri.Ana shafa wani kaushi mai ɗauke da rataye nanoparticles akan farantin, sannan a bushe farantin iska ko kuma a gasa a cikin tanda.Har ila yau, tanda tana narkar da nanoparticles zuwa wani gilashi mai kama da gilashi.Halin matsanancin bakin ciki na nanocoatings yana nufin suna da sauƙin sawa amma sauƙin sake yin aiki.
Lokacin aikawa: Juni-19-2023