Nrog txoj kev txhim kho cov neeg yuav tsum tau rau cov khoom ntim ntim thiab decoration, Siv dej hloov printing yog qhov ntau thiab kim heev. Tus thawj xibfwb ntawm indirect printing thiab lub zoo meej printing nyhuv daws teeb meem ntawm qhov chaw decoration ntawm tshwj xeeb-shaped khoom thiab mas siv rau qhov hloov ntawm graphics thiab phau ntawv rau ntawm qhov chaw uas complex shapes.
Kev txaus siab rau cov khoom hloov mus rau cov neeg mob:
Taw qhia rau tus thawj xibfwb hauv dej hloov printing txheej txheem
Nta cov txheej txheem nta:
Tus thawj xibfwb ntawm dej hloov indirect printing thiab lub zoo meej printing nyhuv daws teeb meem ntawm qhov chaw decoration, Thiab nws yog mas siv rau cov duab thiab phau ntawv hloov mus rau ntawm qhov chaw uas muaj txoj shapes.
Main nyoos khoom xaiv tsa:
Thaum xaiv cov khoom nyoos rau dej hloov printing rau ntau yam teebmeem thiab qhov chaw zog, Muaj ntau txoj kev sib txawv raws li cov ntaub ntawv sib txawv ntawm lub workpiece thiab cov xim ntawm lub chaw ua hauj lwm corresponding rau cov xim tom qab qhov hloov mus ua tiav.
Cov khoom siv rau cov dej hloov printing txheej txheem:
Zaj duab xis coating khoom, ntxuav khoom, qhuav, txau cov khoom siv.
Txheej txheem kom paub meej txog txhua kauj ruam:
Cov nram qab no ua kom paub meej txog kev zov me nyuam thiab precautions ntawm tus dej hloov mus rau seem.
1. Primer: decontamination, degreasing, xeb, impurity tshem tawm los yog taws kho raws li cov khoom ntawm lub workpiece yuav kis tau;
2. qhuav: Xaiv qhov kub kom qhuav tus primer raws li qhov xwm ntawm tus primer;
3. Zaj duab xis xaiv tsa: xaiv cov qauv ua ntej hloov los yog customize nws raws li cov tshuaj muab los ntawm cov neeg muas zaub;
4. Teev naam: Hlais daim ntawv ntawm tib yam li cov workpiece yuav kis tau, thiab muab nws pav ca rau ntawm qhov chaw (Sab printing sab yog txojkev);
5. activation: Thaum naam ntawv sits rau ntawm qhov chaw dej rau 60-90 vib nas this, tsuag cov activator txawm rau naam ntawv. Pw cov dej hloov zaj duab xis pav ca rau ntawm qhov chaw ntawm lub tank tank, Nrog cov txheej txheem nraaj txojkev, Khaws cov dej hauv lub tank huv thiab yeej nyob hauv ib lub xeev neutral. Spray txawm rau qhov chaw nraaj nrog ib activator los activate cov txheej txheem nraaj thiab ua rau nws yooj yim cais los ntawm tus cab kuj zaj duab xis. Tus activator yog ib organic mixed solvent mas composed ntawm aromatic hydrocarbons, Uas yuav sai dissolve thiab txov polyvinyl cawv tab sis yuav tsis puas lub nraaj txheej txheem thiab khaws cov nraaj thiab phau ntawv nyob rau hauv ib lub xeev dawb.
6. Hloov mus rau lwm tus neeg: Txog 5-10 thib ob tom qab spraying lub activator, Khaws cov belt hloov workpiece ntawm ib lub kaum sab xis 35-kawm ntawv mus align naam daim ntawv los saum toj kawg nkaus thiab xovxwm ntawm ib tug ceev ceev. Cov khoom uas yuav tsum tau dej hloov maj mam approached rau cov dej hloov zaj duab xis raws lawv outline, Thiab cov txheej txheem nraaj yuav maj mam kis rau ntawm qhov chaw ntawm cov khoom nyob rau hauv tes hauj lwm ntawm dej siab. Vim qhov inherent adhesion ntawm tus txheej txheem txheej txheem thiab cov printing khoom los yog tshwj xeeb coating ua adhesion. Thaum hloov mus rau lwm qhov chaw, Cov lamination speed ntawm cov substrate thiab cov dej-coated zaj duab xis yuav tsum tau khaws niaj hnub zoo li tus wrinkle ntawm naam thiab cov dluab unsightly dluab thiab cov ntawv nyeem. hauv paus ntsiab lus, Nws yuav tsum tau ensured tias cov graphics thiab cov ntawv nyeem yog kom stretched, thiab overlapping yuav tsum tau pov tseg ntau li ntau tau, Tshwj xeeb tshaj yog thaum lub hlws ris. Ntau dhau lawm overlap yuav muab neeg ib cluttered lawm. Qhov ntau txoj kev khoom, lub lag luam ntau dua.
Dej kub yog ib qho tseem ceeb parameter uas raug rau hloov mus zoo.
Yog hais tias cov dej kub heev ib yam nkaus thiab tsis tshua muaj, Cov solubility ntawm zaj duab xis substrate yuav txo tau; yog hais tias cov dej kub heev ib yam nkaus thiab, Nws yog ib qho yooj yim ua rau cov graphics thiab phau ntawv, yuav ua graphics thiab phau ntawv yuav tsum deformed. Lub tank tank yuav siv tau ib tug kub tswj tswj cov dej kub nyob rau hauv ib chav ruaj khov. Rau loj-teev workpieces nrog kuj yooj yim thiab niaj hnub zoo li, Cov khoom siv tshwj xeeb siv tau los siv tau rau cov khoom siv ua hauj lwm tsis txhob siv cov haujlwm, xws li cylindrical workpieces, Uas yog tas rau lub rotating shaft thiab rotated rau ntawm qhov chaw ntawm naam hloov tus txheej txheem nraaj.
7. Tsau: soak qhov hloov mus ua hauj lwm rau txog 30 vib nas this, Li ntawd, tus ink yuav stably txuas rau lub workpiece;
8. Yaug: Muab lub workpiece tawm hauv lub tank tank, tshem cov zaj duab xis residual, Thiab ces ntxuav tawm tus txheej txheem floating uas tsis tas rau ntawm qhov chaw uas muaj dej huv. Nco ntsoov tias cov dej siab yuav tsum tsis txhob loj dhau lawm, Txwv tsis pub nws yuav yooj yim ua rau kev puas tsuaj rau cov kis graphics.
9. qhuav: Tshem cov moisture rau ntawm qhov chaw ntawm cov khoom los pab txhawb cov qhuav qhuav ntawm qhov hloov mus rau hauv thiab nce lub adhesion fastness. Nws yuav dried nrog ib hairdryer, los yog qhov khoom yuav dried nyob rau hauv ib lub thawv qhuav. Qhov kub qhuav ntawm cov khoom yas yuav tsum tsis txhob muaj ib yam nkaus thiab, Txog 50 mus rau 60 °C. Yog qhov kub heev dhau lawm, Tus substrate tej zaum yuav deformed; qhuav, Iav, ceramics, thiab lwm yam ntaub ntawv yuav tsim nyog ntau zog.
10. Topcoat kho: Thiaj li yuav txhim khu cov kuj ntawm cov txheej txheem nraaj rau ib puag ncig, yuav tsum tau muab tshuaj tsuag. Tsuag tshuaj tsuag, daws tau raws li varnish yuav siv tau, uas yuav dried lawm los yog heated tom qab spraying; Siv tau UV varnish kuj siv tau, Uas yog cured thiab dried los ultraviolet rays. contrast, UV curing yog suitable rau tej kev tiv thaiv yuav tsum tau. Solvent kuas varnish yuav tsum tau sib xyaw nrog txhawb hardener. Piv txwv, Cov dej hloov printing varnish uas ua los ntawm ib yam manufacturer yog ib varnish nrog polyurethane resin li lub binder, Uas yuav tsum tau siv polyurethane PU hardener; Tus thickness ntawm lub coating yuav kis tau los ntawm Add ib tug nqi tsim nyog ntawm diluent los txhim kho cov viscosity ntawm lub varnish los tswj; ceev faj tsis txhob qhuav hauv qhov cub. Rau ntau hom ntaub ntawv, tsuag varnish kuj muab faib ua peb hom, lub npe varnish suitable rau yas khoom, varnish suitable rau yooj ywm yooj ywm, thiab varnish suitable rau cov khoom uas tsis yog-absorbent khoom xws li hlau thiab iav.
Watermark hloov mus rau txoj kev
Ib qhov chaw substrate yog ib qhov chaw yuav tsum muaj kev hloov zoo, thiab qhov no yog tib yam rau tej printing txheej txheem. Xyuas kom cov substrate yog kiag li raug ua ntej hloov mus. Tsis tas li ntawd, Ib huv thiab tidy ua hauj lwm ib puag ncig yog conducive rau lub kaw adhesion ntawm tus hloov mus rau qhov chaw ntawm lub substrate, Thiab cov plua plav floating nyob rau saum tej huab cua no tej zaum yuav muaj feem xyuam rau cov nyhuv hloov mus rau cov nyhuv.
Watermark hloov ntaub ntawv activation
Watermark hloov ntaub ntawv yog faib ua peelable watermark hloov ntaub ntawv thiab dissolving watermark hloov ntaub ntawv.
Cov duab thiab phau ntawv ntawm cov peelable watermark hloov ntaub ntawv yuav muab cais los ntawm cov substrate tom qab activation mus cuag hloov mus; Tom qab lub dissolving watermark hloov ntaub ntawv yog activated, Lub substrate dissolves hauv dej, Thiab cov duab thiab cov ntawv nyeem yog nyob rau hauv ib lub xeev dawb mus cuag hloov.
Cov activation ntawm cov watermark hloov ntaub ntawv yog txawv ntawm cov activation ntawm cov dej-coated hloov zaj duab xis. Nws cia li immerses daim ntawv hloov mus rau hauv dej cais cov duab thiab phau ntawv los ntawm cov substrate tsis muaj ib tug tshwj xeeb solvent. Raws li muaj nyob rau hauv daim duab hauv qab no, txoj kev yooj yim.
Tus txheej txheem ntawm watermark hloov ntaub ntawv activation: Ua ntej txiav cov nraaj dej hloov ntaub ntawv uas yuav tsum tau kis rau hauv qhov yuav tsum tau txhaj specifications, tso rau hauv ib lub tank tank, thiab soak nws txog 20 Vib nas this cais qhov ncauj qhov ntswg ntawm lub substrate, thiab npaj rau qhov hloov mus. npaj txhij.
Watermark hloov ntaub ntawv txheej txheem: Tus txheej txheem yog muaj nyob rau hauv daim duab hauv qab no, Muab cov dej hloov ntaub ntawv thiab maj mam muab kaw rau ntawm qhov chaw ntawm lub substrate, scrape qhov chaw nraaj nrog ib scraper nyem tawm hauv dej, Khaws cov nraaj thiab phau ntawv ntawm txoj hauj lwm specified, nqa tawm ntuj qhuav.
Rau peelable watermark hloov ntawv, qhuav nws lawm thiab ces muab tso rau hauv ib qho cub qhuav kom cov adhesion fastness ntawm cov duab thiab phau ntawv. Qhov qhuav qhuav yog hais txog 100 °C. Vim hais tias muaj ib txheej tiv thaiv varnish rau ntawm qhov chaw ntawm cov peelable watermark hloov ntaub ntawv, Tsis muaj yuav tsum tau spray tiv thaiv. tiam sis, Yog tsis muaj tiv thaiv txheej txheem ntawm qhov chaw ntawm lub soluble watermark hloov ntaub ntawv. Nws yuav tsum tau sprayed nrog varnish tom qab ntuj qhuav, thiab lub UV varnish yuav tsum tau cured nrog ib lub tshuab curing.
Thaum spraying varnish, Koj yuav tsum paub txog plua plav kom txhob poob rau ntawm qhov chaw, txwv tsis pub, Lub zog ntawm qhov khoom yuav raug cuam tshuam dab tsi. Tus tswj lub coating thickness yog tiav los kho cov viscosity thiab spraying tus nqi ntawm lub varnish. Ntau dhau spraying yuav yooj yim ua rau cov khaub ncaws kom nco. Rau substrates nrog ib cheeb tsam loj hloov mus rau lwm qhov chaw loj, Siv screen printing rau glazing yuav tau ib thicker coating, Nws tseem yog ib qho kev tiv thaiv zoo heev.
