Aluminium foil khoom zoo thiab nws txoj kev sim

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Aluminium foil khoom zoo thiab nws txoj kev sim

Tshuaj Txhuam Hniav Ntawv ci Pinhole thiab nws tus kheej nrhiav: Hlau Txhuas muaj cov hlau tuab tuab heev crystal, thiab theoretically zoo meej aluminium ntawv ci tuaj yeem txo cov roj, dej vapor thiab lub teeb. Tab sis qhov tseeb, Vim tias muaj ntau yam ntawm ntau yam xws li Rolling txheej txheem siv hauv kev tsim cov khoom siv txhuas, Qhov zoo ntawm dov roj, Qhov xwm txheej ntawm cov nplaim tshem yob, Cov txheej txheem kev ua haujlwm thev naus laus zis thiab ib puag ncig ntawm cov chaw tsim khoom, Ntau yam tsis xws li inevitably tshwm nyob rau hauv txhuas ntawv ci, Tshwj xeeb yog cov nyias nyias ntawv tas. Pinholes yog ib qho tseem ceeb tshaj plaws.

Qhov luaj li cas thiab naj npawb ntawm pinholes yog ib qho ntawm cov kev coj ua tseem ceeb los ntsuas qhov zoo ntawm txhuas ntawv ci khoom. Nws yog qhov meej meej vim tias lub hav zoov ntawm pinholes uas lub permerge ntawm oxygen thiab dej vapor rau txhuas ntawv ci tsis yog xoom.

Qhov loj thiab tus naj npawb ntawm txhuas ntawv ci pinholes muaj ib tug txiav txim siab cuam tshuam rau cov dej noo tsis kam, Cov Khoom Siv Roj Roj Thiab Lub Teeb Pom Kev ntawm txhuas ntawv ci thiab cov ntaub ntawv sib xyaw. Kuv lub teb chaws tus qauv hauv tebchaws GB3198-1996 ua cov kev cai hauv qab no rau Pinholes: “Saum npoo ntawm txhuas ntawv ci yog tso cai kom muaj pinholes pom rau lub qhov muag liab qab, Tab sis tus pinholes yuav tsis muab teem ntau, thiab txoj kab uas hla ntawm cov pinholes txhuas ntawv ci yuav tsum tsis muaj ntau dua 0.3 mm, thiab yuav tsis tshaj 0.3 mm. 5 PCS / M². Tus pinhole loj ntawm lwm yam kev lag luam dawb muag tsis tshaj 0.5 mm.

Vim tias pinholes yog qhov taw qhia tseem ceeb rau kev kuaj cov ntawv ci aluminium, Ntau cov ntaub ntawv txawv teb chaws txhais tau cov pinholes ntawm txhuas ntawv los yog dej vapor xa tawm cov ntawv ci aluminium. American Society rau kev sim thiab cov qauv tshuaj astmb-479-85 “Kev txheem txuj ci rau annealed txhuas ntawv ci thiab alloy aluminium ntawv ci rau lub teeb meem tsis yooj yim” stipulates: “Yuav tsum tsis txhob muaj ntau tus pinholes, thiab txhuas ntawv ci nrog lub thickness loj dua 0.5 mm yuav tsum pub dawb ntawm pinholes.” Japanese Muaj Txheem Jisz1520 -1975 “Txheem Rau Composite Txhuas Ntawv Nyiaj” Muab cov ntaub ntawv ntawm cov dej vapor kis ntawm composite txhuas ntawv.

Tam sim no, Muaj qhov sib txawv loj ntawm theem zoo ntawm kev ua haujlwm txhuas ntawv nyiaj thiab cov teb chaws txawv teb chaws, uas yog qhov tseem ceeb nyob hauv tus lej thiab qhov loj ntawm pinholes. Qee tus qauv txawv teb chaws uas tsis muaj tus pinholes thaum lub tuab ntawm txhuas ntawv ci yog ntau dua 0.025 mm, Thaum cov qauv hauv tsev sab xis uas tsis muaj tus pinhole thaum lub tuab ntawm txhuas ntawv ci yog ntau dua 0.05 mm. Rau pinholes, Cov qauv txawv teb chaws txhais lus uas Pinhoxes loj dua 0.1 mm tsis pub, Thaum cov qauv hauv tsev uas yog qhov loj tshaj plaws ntawm pinholes tuaj yeem ncav cuag 0.5 mm.

Txhim kho qhov zoo ntawm txhuas ntawv ci thiab txo cov lej thiab qhov loj ntawm cov ntawv ci yog teeb meem uas siv cov ntawv ci aluminium yuav tsum tau daws. HWPFP yeej ib txwm muab kev rau siab ua rau lub hom phiaj no kom ntseeg tau tias yog qhov zoo ntawm kev kho tshuaj txhuas ntawv ci.

Soj ntsuam ntawm pinhole degree ntawm tiav kev ua tiav tshuaj txhuas ntawv ci: Knhole Sinfection Rooj: Siv lub thawv ntoo ntawm 800 mm x ua 600 mm x ua 300 hli lossis ib qho uas tsim nyog ntim, Nruab ib lub hli 30w fluorescent hauv lub thawv ntoo, muab ib lub khob ntim rau ntawm lub thawv ntoo, Thiab cov iav phaj yog txoj kab nrog dub daim ntawv thiab tawm ib qho 400mm X 250MM rau kev tshuaj xyuas ntawm cov pinholes. Noj 20 Cov qauv nrog qhov ntev ntawm 400 mm thiab dav 250 MM los ntawm ua tiav Aluminium Ntawv Nyiaj, muab lawv tso rau ntawm lub rooj zaum pinehole tog ib qho los ntawm ib qho, thiab tshuaj xyuas lawv cov pinholes hauv maub.

Yuav tsum muaj rau cov pinholes yog tias yuav tsum tsis muaj tuab, mus txua ntxiv, Piam Sij Hawm Pinholes, tsis muaj pinholes nrog ib lub cheeb ntau dua 0.3 mm, thiab tsis muaj ntau tshaj 1 Pinhole ib square meter nrog lub taub ntawm 0.1-0.3 mm .

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