Nyob rau hauv cov txheej txheem ntawm screen printing silicone, kom ntseeg tau tias tus onek yog qhov tsim nyog yuav tsum tau tswj hwm cov khoom siv, tshuaj ntsuam cov khoom siv thiab kev ua haujlwm, kev kho mob ib puag ncig thiab kho cov kev kho mob. Cov hauv qab no yog cov lus qhia ntxaws ntxaws:
Substrate pretricement
Saib
Lub hauv paus ntsiab lus:Yog tias muaj roj, plua plav, etcer, thiab lwm yam nyob rau ntawm lub xub ntiag, nws yuav tabkaum ncaj qha rau hauv cov kua mem kua txiv nplaum lossis txawm tias tsis ua tiav.
Txoj kev:Xaiv ib qho tshuaj ntsuam haum raws li cov khoom siv ntawm cov txheej txheem. Piv txwv li, rau cov yas substrates, dej cawv los yog xab npum yas tshwj xeeb yas tau siv tau; Rau cov hlau nqus, degrease tuaj yeem siv los tshem tawm cov roj ua ntej, tom qab ntawd yaug nrog dej huv thiab qhuav. Tom qab tu, so nrog daim ntaub dawb huv-dawb kom ntseeg tau tias tsis muaj residual xab npum thiab impurities nyob saum npoo.
Kev hloov kho deg deg deg
Lub hauv paus ntsiab lus:Qee cov substrates muaj tsawg lub zog nto thiab tsis txaus muaj affinity nrog number case. Kev hloov kho deg tuaj yeem nce lawv lub zog saum npoo thiab txhim kho cov nplaum ntawm number case.
Cov hau kev:
Corona Kev Kho Mob:Muaj feem xyuam rau substrates xws li cov yeeb yaj kiab yas. Huab cua yog ionized los ntawm lub high-voltage Electric teb los tsim cov qauv hluav taws xob hauv cov qauv molecular ntawm qhov chaw, nce qhov chaw ntawm cov pab pawg. Piv txwv li, tom qab kho Corona, lub zog saum npoo ntawm polyethylene (PE) zaj duab xis tau nce ntxiv ntawm 32 dynes} dynes / cm, thiab ink adhesion yog txhim kho.
Nplaim Hluav Taws Xob:Cov nplaim taws kub tau siv los ua rau oxidation cov tshuaj tiv thaiv nyob rau saum npoo ntawm substrate los tsim cov pab pawg polar thiab nce lub zog. Nws yog feem ntau siv los kho cov ntaub ntawv yas uas nyuaj rau kev ua raws li, xws li polypropylene (PP). Txawm li cas los xij, nws yog ib qho tseem ceeb kom tswj cov nplaim hluav taws xob thiab lub sijhawm kho kom tsis txhob muaj kev cuam tshuam lossis hlawv ntawm substrate.
Tshuaj etching:Siv tshuaj ntxuav tshuaj lom neeg kom me ntsis corrode saum npoo ntawm substrate los nce rau saum npoo roughness. Piv txwv li, rau kev siv hlau ua kom sov, dilute kua qaub hydfruric acid tuaj yeem siv rau dej huv, ces muab yaug nrog dej huv, neutralized, thiab qhuav.
Cov Kev Npaj Npaj
Xaiv tus cwj mem zoo
Raws li cov khoom siv ntawm substrate:Substrates ntawm cov khoom sib txawv muaj qhov sib txawv rau cov number case. Piv txwv li, silicone inks feem ntau muab faib ua cov nplaum thiab cov hom tsis sib xws. Tus kheej-nplaum silicone inks tuaj yeem siv ncaj qha rau silicone substrates nrog zoo adhesion; Txog qee cov ntaub ntawv tshwj xeeb, xws li fluororubber, fluororubber tshwj xeeb yuav tsum tau xaiv.
Xav txog kev siv ib puag ncig:Yog tias cov khoom siv tau siv sab nraud, koj yuav tsum xaiv ib qho kua mem nrog huab cua tsis txaus siab uas tuaj yeem tiv thaiv cov roj av ultraviolet, cua thiab nag yaig; Yog tias nws siv nyob rau hauv thaj chaw ze rau zaub mov, tus number cas yuav tsum tau ntsib cov qauv kev nyab xeeb zaub mov thiab tsis muaj tshuaj lom thiab tsis muaj mob.
Yog sib xyaw sib xyaw
Nruj me ntsis ua raws cov qauv:Silicone inks feem ntau yog tsim ntawm tus neeg sawv cev tseem ceeb, tus saib xyuas tus neeg saib xyuas, ua rau cov neeg ua haujlwm nruj, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam. Piv txwv li, qee hom cim ntawm Silicone Ink yuav tsum muaj feem sib piv ntawm tus neeg sawv cev tseem ceeb rau tus neeg kho tus sawv cev ntawm 10: 1. Yog hais tias tus piv yog tsis sib xws, tus number cas yuav tsis raug kho tag nrho lossis kev ua tau zoo yuav txo, cuam tshuam rau cov nplaum.
Siab do ...Siv lub stirrer kom do lub number case kom huv si kom sib xyaw cov khoom xyaw kom zoo. Lub sijhawm stirringing feem ntau tsis tsawg tshaj li 3-5 feeb, thiab cov npuas ntau dhau yuav tsum zam thaum lub sij hawm cov txheej txheem stirringing. Yog tias muaj ntau cov npuas, lub tshuab nqus tsev ntxeem tau tuaj yeem siv rau degassing.
Cov Khoom Siv Cov Lus Qhia thiab Kev Ua Haujlwm
SILK-Screen xaiv thiab ntau lawm
Vijtsam Mesh Mej Xeem:Xaiv cov ntxaij uas tsim nyog ntxaij haum raws li lub txiaj ntsig ntawm cov qauv luam tawm. Thaum cov qauv kab yog tuab thiab cov ntsiab lus yog tsawg dua, koj tuaj yeem xaiv lub vijtsam nrog lub plab (xws li {{mesh); Yog tias koj xav luam cov qauv zoo thiab cov ntawv nyeem, koj yuav tsum tau siv cov vijtsam siab (xws li {{1} mesh).
Searn Screen tswj:Qhov screen nruj yuav tsum muaj kev sib zoo thiab ua tau raws li txoj cai. Feem ntau, qhov screen nro yog nruab nrab ntawm 18-22 n / cm. Yog tias qhov nro yog me me, qhov screen tau yooj yim los deform rau thaum lub tshuab luam ntawv, ua rau tsis ncaj ncees rau hauv Ink Ink nkag mus; Yog tias qhov nro loj dhau lawm, qhov screen yog yooj yim tawg.
Cov txheej txheej tsis sib xws ntawm cov nplaum ntawm cov nplaum:Thaum co txheej duab nplaum ntawm lub vijtsam, xyuas kom meej tias txheej txheej nplaum yog cov nplaum thiab tsis muaj qhov tsis xws li npuas thiab pinnes. Qhov zoo tshaj ntawm cov nplaum nplaum cov txheej txheem tuaj yeem ua kom tiav los ntawm ntau txheej thiab ziab.
Kev Hloov Kho
Scraper siab:Daim scraper siab yuav tsum muaj qhov nruab nrab. Yog tias lub siab qis dhau, tus mem kua tsis tuaj yeem nkag mus rau lub vijtsam, thiab cov qauv luam tawm yog lub teeb thiab tsis puv; Yog tias lub siab siab dhau, lub vijtsam yuav khawb, thiab nws kuj tseem tuaj yeem ua rau lub cev tsis to taub, ua kom cov qauv ntug kev tawg. Feem ntau, nws raug kho raws li mesh suav, kua mem viscosity thiab substrate yam ntxwv. Koj tuaj yeem ua thawj zaug ua ib qho kev ntsuas me me me thiab maj mam hloov kho rau cov kev xav zoo siab.
Scraper kaum sab xis:Lub kaum sab xis ntawm cov scraper thiab qhov screen feem ntau yog nruab nrab ntawm 70 degree thiab 80 degree. Yog hais tias lub kaum sab xis yog me me heev, qhov ink nkag yuav raug txo; Yog tias lub kaum sab xis loj dhau, kev sib txhuam ntawm cov scraper thiab lub vijtsam yuav nce, ua kom nrawm dua ntawm cov vijtsam.
Scraper ceev:Tus scraper ceev yuav tsum tau xaiv raws li qhov loj me thiab nyuaj ntawm tus qauv. Rau cov qauv loj-thaj chaw, daim scraper ceev tuaj yeem ua kom muaj kev nce ntxiv; Rau cov qauv zoo, qhov ceev yuav tsum tau qeeb qeeb los xyuas kom ntseeg tau tias niaj hnub nkag. Lub tshuab ntsuas hluav taws xob dav dav yog nruab nrab ntawm 20 thiab 40cm / s.
Luam ntawv siab thiab tswj ceev
Tshuab luam ntawv siab:Lub tshuab luam ntawv siab ntawm lub tshuab luam ntawv vijtsam yuav tsum tau sib dhos thiab ruaj khov, uas tuaj yeem ua tiav los ntawm kev hloov kho lub vijtsam kaw thiab siab hloov kho cov tshuab luam ntawv. Tsim nyog luam ntawv siab tuaj yeem ua rau lub vijtsam vijtsam tuaj cuag tau zoo nrog cov txheej txheem ntawm cov kua mem.
Luam Ntawv Ceev:Lub tshuab luam ntawv yuav yog cov khaub ncaws hnav, zam kev nrawm thiab qeeb. Yog tias qhov nrawm nrawm dhau, tus number case yuav tsis muaj sijhawm los rau hauv tusyees nkag mus rau lub vijtsam; Yog tias qhov nrawm qeeb dhau, tus number case yuav tau tso rau ntawm lub vijtsam, cuam tshuam rau luam ntawv zoo.
Kev tswj hwm ib puag ncig
Thiab Vaum
Kub:Qhov ntsuas kub ntawm cov vijtsam luam ntawv silica gel feem ntau yog ntawm 20 degree - 25 degree. Yog tias qhov ntsuas kub dhau lawm, cov hnyav nyob rau hauv lub number cas Evaporates dhau mus sai sai, uas yuav ua rau tus number case kom qhuav ntawm lub vijtsam, cuam tshuam rau cov ntawv luam tawm; Yog tias qhov ntsuas kub tsawg dhau, lub piscosity ntawm Ink nce ntxiv, lub fluidity dhau los, thiab nws yog qhov nyuaj rau tusyees ua raws li lub substrate.
Vaum noo: Nws yog qhov tsim nyog los tswj cov av noo ntawm 50% - 65%. Yog tias cov av noo siab dhau lawm, tus number cas yooj yim nqus noo noo hauv huab cua, ua rau hloov pauv hauv number case kev ua tau zoo thiab tsis muaj adixed; Yog tias cov av noo tsawg dhau, hluav taws xob tsawg dhau yog qhov yooj yim los tsim, hmoov av yog adsorbed, thiab luam ntawv zoo yog cuam tshuam.
Kev nyiam huv:Lub vijtsam luam ntawv yuav tsum khaws cia kom huv si kom txo tau cov pa phem xws li hmoov av thiab impurities. Cov khoom siv pa cua huab cua xws li cua lim thiab laminar ntws hoods tuaj yeem siv los lim plua plav hauv huab cua. Cov neeg ua haujlwm yuav tsum hnav khaub ncaws tiv thaiv plua plav xws li cov khaub ncaws hmoov av thiab hnab looj tes tsis muaj hmoov av los tiv thaiv tib neeg cov plaub hau, dandruff, thiab lwm yam los ntawm kev poob ntawm cov number case lossis substrate.
Kho tshuaj kho
Kev xaiv ntawm txoj kev kho
Thermal Caj npab:Muaj feem xyuam rau feem ntau silicone inks, tus kho tus neeg sawv cev hauv lub number case undergoes undergoes cov tshuaj lom neeg tshuaj lom neeg los ntawm cov cua kub kom ua tiav kev kho mob. Kev kho qhov kub thiab lub sijhawm yuav tsum tau teeb tsa raws li hom number case thiab cov yam ntxwv ntawm substrate. Piv txwv li, kev kho qhov kub ntawm Silicone number case yog 150 degree thiab lub sijhawm kho yog {}}} feeb. Thaum lub sij hawm kho cov txheej txheem, kom ntseeg tau tias qhov kub yog ib yam kom tsis txhob muaj kev kub ntxhov hauv cheeb tsam lossis ntau dua.
UV Kho:Qee cov inlicone silicone tuaj yeem kho tau los ntawm UV, uas muaj qhov zoo ntawm kev kho cov nrawm nrawm thiab ua haujlwm siab. UV Kho kom siv UV teeb, thiab nthwv dej thiab lub zog ntawm UV teeb txawb yuav tsum sib phim raws li cov number case. Thaum lub sij hawm kho, them sai sai kom tswj tau qhov kev ncua deb thiab lub sijhawm irradiation nyob nruab nrab ntawm UV teeb thiab lub substrate los xyuas kom meej tias tus number case yog kho kom meej.
Kev kuaj tom qab tshuaj xyuas: Tom qab kho cov khoom yuav tsum tau kuaj kom muaj adhesion. Txoj kev sib tw riam yuav siv tau. Siv rab riam sib npaug los txiav 10 × {{{{10 1 mm × 1m cov kab xev me me ntawm cov kab xev me me, thiab kos cov qauv shedding. Raws li cov qauv kev cai, thaj chaw muaj kab kos yuav tsum tsawg dua 5% kom tsim nyog. Yog tias cov nplaum tsis tau raws li tus qauv, nws yog qhov tsim nyog los txheeb xyuas qhov ua rau pom, kho cov tshuaj kho lossis kho dua tshiab.