Mo te runarunahanga PCB, Ko te whakaputanga whakawhiti waiariki me te whakaaturanga UV e rua nga tikanga e whakamahia nuitia ana.
Ko nga taputapu e tika ana kia whakamahia i roto i te tikanga whakawhiti waiariki ko: te raima whakakakahu parahi, te miihini laser (me waiho he kaituhi taiaho, he karetao inkjet, he miihini ira me etahi atu kaituhi kaore e whakaaetia), pepa whakawhiti waiariki (ka taea te whakakapi e te pepa tuara i muri i te whakapiri), engari kaore e taea te whakamahi i te pepa A4 noa), te miihini whakawhiti waiariki (ka taea te whakakapi e te rino hiko, te laminator whakaahua), te pene tohu hinu (me waiho he pene tohu hinu, he waikore tona waituhi, me nga pene waituhi waituhi e kore e whakaaetia), Nga matū pirau (te nuinga o te whakamahi i te ferric chloride, te ammonium persulfate ranei), te drill pae, te pepa kirikiri wai (he pai ake te pai).
Ko te tikanga mahi motuhake e whai ake nei:
Me whakamarokehia te mata o te papanga parahi ki te pepa kirikiri wai, ka orohia te paparanga waikura, katahi ka horoi i te paura parahi i puta mai i te hurihanga ki te wai, ka whakamaroke.
Whakamahia he pūreretā taiaho hei tā i te whakaahua whakaata maui me te taha matau o te konae PCB kua kumea ki te taha maeneene o te pepa whakawhiti waiariki, ka pango te waea, ka noho kau etahi atu waahanga.
Whakatakotoria te pepa whakawhiti waiariki ki runga i te mata whakakakahu parahi o te papa whakakakahu parahi (ka anga te taha ta ki te taha whakakakahu parahi, kia kapi katoa te papa whakakakahu parahi i te waahi ta), me te whakatika i te pepa whakawhiti waiariki kia pai ai te mahi a te pepa. e kore Ka puta nga nekehanga.
Ka huri te miihini whakawhiti waiariki ka whakawerahia.I muri i te otinga o te whakamahana o mua, whakauruhia te raima whakakikorua ki te parahi me te pepa whakawhiti waiariki ki roto i te roera rapa o te miihini whakawhiti waiariki, ka whakahoki ano i te whakawhitinga mo te 3 ki te 10 nga wa (i runga i te mahi o te miihini, etahi whakawhitinga waiariki Ētahi Ka taea te whakamahi mihini i muri i te 1 paahitanga, me etahi e 10 nga paahitanga).Mena ka whakamahi koe i te rino hiko ki te whakawhiti, whakatikahia te rino hiko ki te teitei o te pāmahana, me te rino tonu i te papa whakakakahuria parahi ki runga e mau ai te pepa whakawhiti waiariki, me te rino kia rite kia pehia nga wahanga katoa e te rino.He tino wera te raima whakakakahu parahi, kaore e taea te pa mo te wa roa i mua i te mutunga.
Taria kia whakamatao noa te raima whakakakahu parahi, a ka whakamatao ki te waahi kua kore e wera, ata tihorea te pepa whakawhiti waiariki.Kia mahara me tatari koe mo te whakamataonga katoa i mua i te haehae, ki te kore ka piri te kiriata kirihou i runga i te pepa whakawhiti waiariki ki te papa whakakakahu parahi, ka kore e mahia.
Tirohia mehemea kua angitu te whakawhitinga.Mena kaore i oti etahi tohu, ka taea e koe te whakamahi i te tohu hinu hei whakaoti.I tenei wa, ka noho tonu nga tohu i mahue i te pene hinu-hinu i runga i te papapa parahi i muri i te waikura.Mena kei te pirangi koe ki te hanga hainatanga a-ringa ki runga i te papa taiawhio, ka taea e koe te tuhi tika ki runga i te papa whakakakahuria parahi me te tohu hinu i tenei wa.I tenei wa, ka taea te werohia tetahi kohao iti ki te taha o te PCB ka taea te here i tetahi taura kia pai ai te pirau i te waa e whai ake nei.
Whakanohia he rongoa haupapa (me tango he ferric chloride hei tauira) ki roto i te ipu kirihou, ka ringihia he wai wera kia memeha te rongoa (kaua e nui rawa te wai, ka rewa rawa, ka nui te wai ka iti te kukū) , katahi ka whakawhiti ki te Waiwai i te raima whakakakahu parahi kua taia ki roto i te otinga o nga matū pirau, me te taha whakakakahu parahi ki runga, kia tino rukuhia te wairewa ki roto i te raima whakakakahu parahi, katahi ka wiri tonu te ipu kei roto te wairewa pirau. , ruru ranei i te raima whakakakahu parahi.Ana, ma te papu o te miihini waikura ka oho te wai pirau.I roto i te tukanga waikura, me aro tonu ki nga huringa o te raima whakakakahu parahi.Mena ka taka te kiriata waro kua whakawhitia, te mangumangu ranei i tuhia e te pene tohu, me whakamutu tonu te waikura ka tango i te raima whakakakahu parahi ka horoi, katahi ka whakakiia ano te raina kua hinga ki te pene tohu hinuhinu.Te pirau.I muri i te waikuratanga katoa o te parahi kua kitea i runga i te papa kakahu parahi, tangohia tonutia te papa whakakakahu parahi, horoia ki te wai tap, katahi ka whakamahi i te pepa kirikiri wai hei muru i te toneri i runga i te papa kakahu parahi i te wa e horoi ana.
I muri i te whakamaroketanga, keria he kohao ki te keri pae ka reri ki te whakamahi.
Hei hanga PCB ma te whakamaarama UV, me whakamahi koe i enei taputapu:
He pūreretā waituhi, he pūreretā taiaho ranei (kaore e taea te whakamahi i etahi atu momo kaituhi), te raima whakakakahu parahi, te kiriata whakaahua, te hinu whakaahuru whakaahua ranei (e waatea ana i runga ipurangi), te peera kiriata, te pepa waikawa pungatara ranei (e taunakitia ana te kiriata mo nga taarai laser), pereti karaihe, pereti plexiglass ranei ( Ko te waahi kia nui ake i te papa taiawhio ka mahia), rama ultraviolet (ka taea e koe te whakamahi i nga ngongo rama ultraviolet mo te whakakore i te mate, nga rama ultraviolet ranei e whakamahia ana i roto i nga salon nail), te konutai hydroxide (e kiia ana ko "te houra caustic", ka taea te hoko i roto toa taonga matū), te waikawa waro Ko te konutai (e kiia ana ko "te konutai pungarehu", ko te kawakara paraoa kai ko te whakatioatanga o te konutai waro waro, ka taea te whakakapi e te kawakawa paraoa kai, te konutai waro waro ranei e whakamahia ana i roto i te umanga matū), nga karapu tiaki rapa (e taunakitia ana) , pene tohu hinuhinu, rongoa waikura, drill pae, pepa kirikiri wai.
Tuatahi, whakamahia he pūreretā hei tā i te tuhi PCB ki runga kiriata, pepa waikawa pungatara ranei hei hanga "kiriata kino".Kia mahara ko nga whakaahua whakaata maui me te taha matau e hiahiatia ana i te wa e whakaputa ana, ka huri te ma (ara, ka taia te waea ki te ma, a ko te waahi kaore e hiahiatia ana te pepa parahi he pango).
Me whakamarokehia te mata o te papanga parahi ki te pepa kirikiri wai, ka orohia te paparanga waikura, katahi ka horoi i te paura parahi i puta mai i te hurihanga ki te wai, ka whakamaroke.
Mēnā ka whakamahia te hinu tairongo, whakamahia he paraihe iti hei peita i te hinu whakaahuru ki runga i te mata o te raima whakakakahu parahi ka waiho kia maroke.Mena kei te whakamahi koe i te kiriata tairongo whakaahua, whakapirihia te kiriata tairongo ki te mata o te papa whakakakahu parahi i tenei wa.He kiriata whakamarumaru kei nga taha e rua o te kiriata whakaahua.Tuatahi haea te kiriata whakamarumaru ki tetahi taha ka piri ki te papa whakakakahu parahi.Kaua e waiho nga mirumiru hau.Tetahi paparanga o te kiriata whakamarumaru Kaua e kaika ki te haea.Ahakoa he kiriata whakaahua, he hinu whakaahua ranei, me mahi i roto i te ruma pouri.Mena karekau he ruma pouri, ka taea e koe te kati i nga arai ka huri i nga rama iti-hiko hei mahi.Ko te raima whakakakahu parahi kua oti te whakakakahu me waiho kia matara atu i te marama.
Whakanohoia te "kiriata kino" ki runga i te raima whakakakahu ki te parahi kua pa ki te whakamaarama whakaahua, pehia te pereti karaihe, ka whakairihia te rama ultraviolet ki runga kia mohio ai ka taea e nga waahi katoa te whiwhi i te radiation ultraviolet rite.I muri i te whakatakoto, whakakāhia te rama ultraviolet.Ko nga hihi ultraviolet he kino ki te tangata.Kaua e titiro tika ki te rama e tukuna ana e te rama ultraviolet me o kanohi, ka ngana ki te karo i te pa ki te kiri.E taunaki ana kia whakamahia he pouaka kaata hei hanga pouaka marama mo te whakamaarama.Mena ka kitea koe i roto i te rūma, tēnā whakawāteahia te rūma i muri i te whakakā i te rama.Ko te roa o te tukanga whakaatu e pa ana ki te maha o nga mea penei i te kaha o te rama me nga mea o te "kiriata kino".Ko te tikanga, mai i te 1 ki te 20 meneti.Ka taea e koe te whakaweto i te rama mo te tirotiro.Mena ka kitea he rereketanga o te tae i roto i te kiriata photosensitive (kei reira ka kitea ki te rama ultraviolet) Ka pouri te tae, ka noho tonu te tae ki etahi atu waahi, katahi ka taea te aukati.I muri i te whakamutua o te whakaaturanga, me pupuri tonu i roto i te pouri kia oti ra ano te mahi whanaketanga.
Whakapaia he 2% te kukū o te wairewa konutai warowaiha, whakamauhia te raima whakakakahu parahi kua kitea ki roto i te wairewa, tatari mo te wa poto (mo te 1 meneti), ka kite koe ka timata te kiriata whakaahua i runga i te waahanga marama-tae kaore ano kia kitea. kia ma, ka pupuhi.Karekau he huringa nui ki nga waahi pouri kua kitea.I tenei wa, ka taea e koe te whakamahi i te miro hei horoi marie i nga waahanga kaore i kitea.Ko te whakawhanake he tukanga tino nui, e rite ana ki te taahiraa whakawhiti wera o te hanga PCB ma te tikanga whakawhiti wera.Ki te kore e tino horoia te waahi kare i kitea (kaore i tino whakawhanakehia), ka pirau tera waahi;a ki te mea ka horoia nga waahi kua kitea, karekau te PCB i oti.
Ka mutu te whanaketanga, ka taea e koe te wehe atu i te ruuma pouri i tenei wa ka haere tonu i raro i te marama.Tirohia mehemea kua oti te waea o te waahanga kua kitea.Mena kaore i oti, ka taea te whakaoti me te pene tohu hinu, pera ano me te tikanga whakawhiti wera.
Whai muri ko te tuhi, he rite tonu tenei taahiraa ki te tarai i te tikanga whakawhiti waiariki, tirohia ki runga ake nei.
Ka mutu te waikura, ka mahia te whakakore.Whakapaia te wairewa konutai waikawa 2%, rukuhia te raima whakakakahu parahi ki roto, tatari mo tetahi wa, ka taka aunoa nga mea whakaahua e toe ana i runga i te raima whakakakahu parahi.Whakatupato: Ko te konutai waikawa he kawakawa kaha me te tino pirau.Kia tupato i te wa e whakahaere ana.E taunaki ana kia mau nga karapu whakamarumaru me nga karaehe.Kia pa ki te kiri, me horoi tonu ki te wai.Ko te konutai waikawa totoka me kaha nga ahuatanga hygroscopic, a ka tere te whakaheke i te wa e pa ana ki te hau, tena koa kia mau te hau.Ka taea e te wairewa konutai konutai te tauhohe me te waro ki te hau ki te hanga i te konutai warowaiha, ka kore e taka, me whakarite inaianei.
I muri i te whakakorenga, horoia te toenga konutai waikawa i runga i te PCB ki te wai, tukua kia maroke ka werohia nga kohao.
Te wa tuku: Maehe-15-2023