Npaj los daws koj flexo luam ntawv tsis xws luag thiab txhim khu kev tsim khoom? Tshem tawm cov nqi poob qis thiab txais tos cov txheej txheem luam ntawv zoo dua nrog peb daim ntawv qhia ntxaws ntxaws thiab cov lus qhia daws teeb meem rau flexo luam ntawv tsis xws luag.
Cov lus qhia no suav nrog 15 qhov teeb meem ntawm flexo luam ntawv, muab kev nkag siab txog yuav ua li cas txheeb xyuas lawv, lawv muaj peev xwm cuam tshuam, muaj peev xwm ua tau, thiab yuav ua li cas txhawm rau txhim kho koj cov xov xwm los tiv thaiv lossis daws cov teeb meem no ua ntej sib qhia cov lus qhia dav dav.
Kev Lag Luam Txheej Txheem
Flexo luam ntawv yog cov txheej txheem luam ntawv tseem ceeb rau kev ntim khoom, suav txog ntau dua 65% ntawm lub ntiaj teb ntim tshuab luam ntawv lag luam hauv xyoo 2023. Kev lag luam ntim ib leeg tau muaj nuj nqis kwv yees li $ 440 nphom hauv xyoo 2023, qhia tias nws tseem ceeb npaum li cas kom tswj tau cov ntawv luam tawm zoo thiab txo qhov tsis xws luag. Lub sij hawm poob los ntawm qhov tsis xws luag tuaj yeem cuam tshuam rau kev tsim khoom, ua rau cov tuam txhab luam ntawv raug nqi txog $ 1,000 toj ib teev hauv cov nyiaj tau los poob.
Yuav Siv Phau Ntawv Qhia Txog Kev Ntsuas Li Cas
Peb yuav tshawb nrhiav qhov tsis xws luag hauv flexographic luam ntawv. Rau txhua qhov tsis xws luag, peb yuav tham txog:
Table: Txheej txheem cej luam ntawm Common Flexo Printing Defects
| Defect |
Visual Impact |
Main Cause |
Optimization |
| Tshaj dhau Dot Gain |
Dots loj dua qhov xav tau |
Tshaj siab |
Txo qhov siab; saib xyuas tus number case viscosity |
| Gear Marks (Banding) |
Alternating lub teeb thiab tsaus kab |
Hnav cov iav |
Kev tu thiab lubrication tsis tu ncua |
| Halo Effect |
Faint ink outline ncig cov duab |
Tshaj siab |
Kho lub tog raj kheej-rau-web ceev |
| Feathering |
Ink kis tshaj qhov xav tau ntug |
Ink buildup |
Ntxuav cov duab cab kuj, kho siab |
| Donuts |
Distorted screen dots nrog qhov chaw dawb paug |
Phaj lossis lub tog raj kheej o |
Siv lub tes tsho hnyav-resistant elastomer |
| Hla tawm |
Tsis muaj los yog lub teeb ntawm cov ntawv luam tawm |
Xovxwm vibrations |
Txhim kho tus cwj mem viscosity, tshuaj xyuas cov xovxwm |
| Kev sau npe tsis raug |
Cov xim thiab cov ntsiab lus yog misaligned |
Phaj misalignment |
Xyuas kom daim ntawv teev npe kom raug |
| Mottled Duab |
Cov xim tsis sib xws |
Hloov tus cwj mem tsis zoo |
Ntxuav cov menyuam anilox, kho cov ntim ntawm tes |
| Sau hauv |
Cov ntsiab lus zoo sau nrog ntau tus cwj mem |
Cov teeb meem hloov pauv tus cwj mem |
Txo qhov siab, saib xyuas tus number case viscosity |
| Kev hla |
Tsim cov ntsiab lus txuas vim tus number case overflow |
Siab siab |
Lighten siab, kho tus number case ntim |
| Pinholing |
Me me unprinted me ntsis ntawm lub substrate |
Ntshiab anilox roller |
Ntxuav anilox cov menyuam, kho kom qhuav ceev |
| Dirty Luam |
Speckles thiab av particles nyob rau hauv tus number case |
Kev kis kab mob |
Ntxuav cov khoom siv xovxwm, tswj tus cwj mem |
| Dab dab |
Faint duplicated duab nrog rau tus thawj |
Ink build-up |
Ntxuav cov duab cab kuj, txo tus number case thickness |
| Slurring |
Ink smears nyob rau hauv lub substrate txoj kev |
Substrate swb |
Kho lub web nro, txo qhov siab |
| Tsis muaj |
Unprinted qhov khoob hauv daim duab |
Ink tshaib plab |
Tshem tawm cov npuas npuas, ntxuav cov menyuam anilox |
15 Feem ntau Flexo Printing Defects
1. Ntau Dot Gain
![Flexo-Printing-Defects-of-Excessive-Dot-Gain]( "Flexo-Printing-Defects-of-Excessive-Dot-Gain")
Yuav Qhia Li Cas:
Cov dots hauv koj tus qauv tsim tshwm loj dua li qhov xav tau, ua rau cov duab saib tsaus dua lossis tsawg dua.
Muaj peev xwm cuam tshuam:
Ntau qhov dot nce yuav txo qhov kev pom tseeb thiab cov duab daws teeb meem. Qhov no yog qhov teeb meem tshwj xeeb rau cov ntawv luam tawm siab lossis cov ntsiab lus zoo. Raws li kev lag luam cov ntaub ntawv, ntau qhov dot nce nyiaj rau ze li 25% ntawm cov ntawv tsis txaus siab hauv flexo luam ntawv.
Tej Yam Ua Tau:
Kev kub siab ntawm lub phaj luam ntawv thiab substrate.
o ntawm daim hlau, feem ntau tshwm sim los ntawm kev txhoj puab heev inks los yog kuab tshuaj.
Ink viscosity tsis raug lossis ntau dhau ntawm anilox cell ntim.
Yuav ua li cas Optimize:
Txo qhov kev luam ntawv siab rau 'hnia' lub tswv yim.
Hloov mus rau hauv-the-round (ITR) lub tes tsho elastomer kom txo qhov o.
Kho anilox ntim thiab number case viscosity.
Optimization Table: Dot Gain Adjustments
| Parameter |
Optimal Table |
| Printing Siab |
'Kiss' impression, tsawg heev |
| Anilox Cell Volume |
Nruab nrab, raws li hom number case |
| Ink Viscosity |
Zoo ib yam thiab tsim nyog |
2. Gear Marks (Banding)
![Flexo Printing Defects ntawm Gear Marks (Banding)]( "Flexo Printing Defects of Gear Marks (Banding)")
Yuav Qhia Li Cas:
Saib rau cov kab sib txuas ntawm lub teeb thiab tsaus ntuj uas khiav mus rau sab xis ntawm lub substrate lub vev xaib.
Muaj peev xwm ua tau:
Cov cim iav cuam tshuam qhov sib xws ntawm cov ntawv luam tawm, ua rau nws tsis zoo. Lawv feem ntau hnov thaum lub sijhawm luam ntawv thiab yog qhov tseem ceeb ntawm qhov tsis pom kev, suav txog li 18% ntawm flexo print defects.
Tej Yam Ua Tau:
Yuav ua li cas Optimize:
Tsis tu ncua tshuaj xyuas thiab hloov cov iav uas hnav.
Xyuas kom lub lubrication kom zoo los tiv thaiv iav hnav.
Kho qhov chaw siab kom tsis txhob hnav ntau dhau ntawm cov khoom siv tshuab.
3. Halo Effect
![Tshaj-Dot-Gain-of-Halo-Effect]( "Excessive-Dot-Gain-of-Halo-Effect")
Yuav Qhia Li Cas:
Ink tshwm dhau qhov chaw luam tawm, tsim kom muaj 'halo' nyob ib ncig ntawm tus tsim.
Muaj peev xwm cuam tshuam:
Halo cuam tshuam ua rau cov ntawv luam pom qhov muag plooj lossis smeared, tshwj xeeb tshaj yog nyob ib ncig ntawm ntug. Qhov teeb meem no tshwj xeeb tshaj yog muaj teeb meem hauv high-txhais flexo luam ntawv.
Tej Yam Ua Tau:
Siab ntau dhau ntawm lub cylinder luam ntawv.
Hloov tus cwj mem ntau dhau.
Ceev tsis sib haum ntawm lub tog raj kheej thiab lub vev xaib.
Yuav ua li cas Optimize:
4. Feathering
![Flexo Printing Defects ntawm Feathering]( "Flexo Printing Defects of Feathering")
Yuav Qhia Li Cas:
Ink kis tshaj qhov chaw luam ntawv, zoo li cov plaub hau zoo li cov plaub hau.
Muaj peev xwm ua tau:
Feathering txo cov duab sharpness, muab cov ntawv luam tawm ib qho tsis zoo. Nws yog qhov tshwj xeeb tshaj yog nyob rau hauv kev nthuav dav ua haujlwm zoo lossis cov ntawv me me.
Tej Yam Ua Tau:
Siab dhau ntawm lub tog raj kheej thiab substrate.
Ink buildup nyob ib ncig ntawm dots.
Cov duab qias neeg lossis cov khib nyiab ntawm lub substrate.
Yuav ua li cas Optimize:
Ntxuav cov duab cab kuj thiab substrate tsis tu ncua.
Kho cov teeb tsa siab kom tsis txhob overprinting.
Xyuas kom meej tias tus number case viscosity yog sib npaug los tiv thaiv kev tsim.
5. Khoom qab zib
![Flexo-Printing-tsis xws luag-ntawm-Doughnuts]( "Flexo-Printing-Defects-of-Doughnuts")
Yuav Qhia Li Cas:
Cov duab dots tshwm slurred thiab distorted, nrog dawb los yog ib nrab dawb paug chaw, zoo li donuts.
Muaj peev xwm ua tau:
Doughnut-shaped defects distort cov duab npaj, txo qhov zoo ntawm luam ntawv. Qhov kev tsis zoo no feem ntau tshwm sim nrog cov ntawv luam tawm zoo dua thiab cov ntsiab lus me me.
Tej Yam Ua Tau:
o ntawm lub tog raj kheej los yog phaj, feem ntau tshwm sim los ntawm kev txhoj puab heev inks thiab cov kuab tshuaj.
Kev hloov tus cwj mem tsis sib xws.
Yuav ua li cas Optimize:
Siv lub tes tsho hnyav-resistant elastomer.
Xyuas lub tog raj kheej thiab phaj kev ncaj ncees tsis tu ncua, hloov cov khoom hnav raws li xav tau.
6. Hla tawm
![Flexo-Printing-Defects-of-Skip tawm]( "Flexo-Printing-Defects-of-Skip out")
Yuav Qhia Li Cas:
Cov ntu ntawm cov ntawv luam tawm yog lub teeb dhau los lossis ploj tag nrho.
Muaj peev xwm cuam tshuam:
Hla tawm qhov tshwm sim hauv cov ntawv luam tsis tiav, uas tshwj xeeb yog ua rau cov xim loj loj lossis cov qauv tsim tas li.
Tej Yam Ua Tau:
Vibrations los yog misalignment hauv xovxwm mechanics.
Ink viscosity lossis pH teeb meem.
Khoov shafts los yog tawm ntawm-puab puag ncig.
Yuav ua li cas Optimize:
Tshawb xyuas xovxwm mechanics thiab xyuas kom meej tias tag nrho cov khoom sib raug zoo.
Khaws cov cwj mem zoo ib yam kom tsis txhob luam tawm tsis sib xws.
Tshawb xyuas thiab tshem tawm kev vibrations hauv xovxwm.
7. Kev sau npe tsis raug
![Flexo-Printing-Defects-of-Misregistration]( "Flexo-Printing-Defects-of-Misregistration")
Yuav Qhia Li Cas:
Cov xim lossis cov qauv tsim tsis sib xws, ua rau cov duab tsis pom lossis hloov pauv.
Muaj peev xwm cuam tshuam:
Kev sau npe tsis raug yog ib qho ntawm cov teeb meem pom tau zoo tshaj plaws, tshwj xeeb tshaj yog hauv kev luam ntawv ntau xim. Nws cuam tshuam rau qhov precision ntawm cov khoom kawg.
Tej Yam Ua Tau:
Yuav ua li cas Optimize:
Tsis tu ncua calibrate thiab dlhos daim hlau ua ntej luam ntawv.
Tuav lub vev xaib sib xws kom tsis txhob hloov pauv thaum lub sijhawm luam tawm.
Hloov lub tog raj kheej los yog daim hlau hnav kom tiv thaiv kev sau npe tsis raug.
8. Mottled Duab
![Flexo-Printing-Defects-of-Mottled Duab]( "Flexo-Printing-Defects-of-Mottled Image")
Yuav Qhia Li Cas:
Cov xim xim xim muaj qhov txawv txav ntawm qhov ntom ntom thiab xim ntxoov ntxoo.
Muaj peev xwm ua tau:
Ib daim duab mottled ua rau cov ntawv luam tawm tsis sib xws thiab tsis sib xws. Qhov kev tsis zoo no feem ntau muaj nyob rau hauv ntim luam ntawv, qhov twg cov xim xim loj muaj ntau.
Tej Yam Ua Tau:
Yuav ua li cas Optimize:
9. Sau hauv
Yuav Qhia Li Cas:
Cov ntsiab lus zoo nyob rau hauv cov ntawv luam tau sau nrog tus lej ntau dhau, ua rau pom qhov muag tsis pom, tsis pom cov duab.
Muaj peev xwm ua tau:
Sau rau hauv tuaj yeem ua rau tsis zoo ntawm cov qauv tsim los yog cov ntawv zoo, ua rau lawv nyeem tsis tau lossis tsis paub.
Tej Yam Ua Tau:
Yuav ua li cas Optimize:
10. Kev hla kev
![Flexo-Printing-Defects-of-Bridging]( "Flexo-Printing-Defects-of- Bridging")
Yuav Qhia Li Cas:
Tsim cov ntsiab lus uas yuav tsum nyob twj ywm sib txuas
vim yog tus cwj mem ntau dhau, tsim kev sib txuas tsis xav tau.
Muaj peev xwm cuam tshuam:
Kev sib txuas ua rau poob ntawm kev nthuav dav thiab tuaj yeem cuam tshuam tus qauv tsim.
Tej Yam Ua Tau:
Yuav ua li cas Optimize:
11. Pinholing
Yuav Qhia Li Cas:
Cov me me uas tsis tau luam tawm, zoo li cov pinholes, tshwm rau ntawm lub substrate.
Muaj peev xwm cuam tshuam:
Pinholing cuam tshuam cov xim xim luam tawm thiab tshwj xeeb tshaj yog pom hauv cov xim loj dua.
Tej Yam Ua Tau:
Ntshiab anilox roller.
Ink qhuav sai heev.
Irregular substrate nto.
Yuav ua li cas Optimize:
12. Dirty Printing
Yuav Qhia Li Cas:
Specks, av, los yog hmoov av tau muab tso rau hauv tus cwj mem, tsim kom pom qhov qias neeg los yog speckled.
Muaj peev xwm ua tau:
Cov ntawv luam tawm qias neeg txo cov duab zoo thiab tshwj xeeb tshaj yog kev puas tsuaj rau thaj chaw siab, xws li cov ntawv lo lossis ntim khoom.
Tej Yam Ua Tau:
Yuav ua li cas Optimize:
13. Dab
Yuav Qhia Li Cas:
Ib daim duab faint, duplicated tshwm nyob ib sab ntawm daim ntawv npaj.
Muaj peev xwm ua tau:
Ghosting tsim kom muaj kev cuam tshuam, tsis zoo saib, tshwj xeeb tshaj yog nyob rau hauv cov ncauj lus kom ntxaws lossis ntau xim.
Tej Yam Ua Tau:
Yuav ua li cas Optimize:
14. Slurring
Yuav Qhia Li Cas:
Ink smears lossis blurs nyob rau hauv cov kev taw qhia ntawm lub substrate lub zog, tsim ib tug slurred duab.
Muaj peev xwm cuam tshuam:
Slurring txo cov duab meej, ua cov ntsiab lus zoo nyeem nyuaj.
Tej Yam Ua Tau:
Yuav ua li cas Optimize:
15. Tsis muaj
Yuav Qhia Li Cas:
Tsis muaj qhov khoob lossis cov voids tshwm hauv daim duab, tsim cov ntawv luam tawm tsis sib xws.
Muaj peev xwm cuam tshuam:
Voids cuam tshuam qhov kev ncaj ncees ntawm kev luam, ua rau nws tsis tsim nyog rau kev tsim khoom kawg.
Tej Yam Ua Tau:
Yuav ua li cas Optimize:
Phau Ntawv Qhia Txog Kev Zam Flexographic Printing Defects
Flexographic luam ntawv tsis xws luag tuaj yeem cuam tshuam kev tsim khoom thiab cuam tshuam kev luam ntawv zoo. Txhawm rau txo cov teeb meem no, ua raws li cov lus qhia dav dav no txhawm rau tiv thaiv qhov tsis xws luag hauv flexo luam ntawv.
1. Txhim kho kom zoo luam ntawv siab
Vim li cas: Kev siab dhau ntawm lub phaj, lub tog raj kheej, thiab cov substrate yog ib qho ua rau muaj qhov tsis xws luag xws li dot nce, halo, thiab feathering.
Kev daws: Siv cov txheej txheem 'hnia' qhov kev xav, qhov twg lub phaj maj mam hu rau lub substrate. Tsis tu ncua xyuas thiab ntsuas qhov ntsuas siab kom tsis txhob muaj kev xav ntau dhau.
2. Xyuas kom cov Ink Viscosity zoo ib yam thiab pH qib
Yog vim li cas: Ink ink viscosity tsis raug tuaj yeem ua rau muaj teeb meem xws li ntau qhov dot nce, mottling, thiab pinholing, thaum cov qib pH tsis raug tuaj yeem cuam tshuam rau number case adhesion thiab xim sib xws.
Kev daws: Tsis tu ncua saib xyuas thiab kho tus lej viscosity thiab pH qib thaum lub sijhawm luam tawm. Siv cov ntsuas viscosity thiab xyuas kom meej tias tus number case zoo sib xyaw.
3. Tsis tu ncua ntxuav Anilox Rollers
Yog vim li cas: qias neeg los yog clogged anilox rollers ua rau muaj teeb meem hloov tus cwj mem, ua rau tsis xws li pinholing, mottled dluab, thiab qias neeg prints.
Kev daws: Ua raws li lub sijhawm tu niaj hnub rau anilox rollers siv cov tshuaj ntxuav kom zoo thiab cov hau kev (phau ntawv, ultrasonic, lossis tshuaj ntxuav) kom muaj kev ntseeg siab ntawm tes.
4. Calibrate thiab Align Printing Phaj
Yog vim li cas: Cov phaj tsis zoo lossis tsis zoo tuaj yeem ua rau kev sau npe tsis raug, luam ntawv tsis pom kev, thiab xim hloov.
Kev daws: Xyuas kom meej qhov sib dhos thiab kev sau npe ntawm daim hlau ua ntej luam ntawv. Siv cov txheej txheem mounting kom raug thiab cov cuab yeej los lav kev sib raug zoo ntawm cov xim thiab cov qauv tsim.
5. Tshawb xyuas thiab Tswj Cov Cuab Yeej thiab Xovxwm Cheebtsam
Yog vim li cas: Hnav los yog ua tsis zoo meshed iav tuaj yeem ua rau cov cim iav los yog banding, ua rau cov ntawv luam tsis zoo.
Kev daws: Ua kom tsis tu ncua ntawm cov iav thiab lwm yam xovxwm. Lubricate txav qhov chaw, tshawb xyuas qhov hnav, thiab hloov cov iav uas tsis muaj zog.
6. Saib xyuas substrate zoo thiab huv
Yog vim li cas: Cov kab mob ntawm lub substrate, xws li plua plav lossis cov khib nyiab, tuaj yeem ua rau muaj qhov tsis xws luag xws li qias neeg thiab feathering.
Kev daws: Khaws cov substrates hauv qhov chaw huv si, tsis muaj plua plav. Tshawb xyuas cov substrates ua ntej luam ntawv thiab xyuas kom meej tias lawv tsis muaj cov khib nyiab saum npoo.
7. Siv lub tes tsho Solvent-Resistant Elastomer
Yog vim li cas: o ntawm daim hlau los yog lub tog raj kheej vim raug cov inks txhoj puab heev thiab cov kuab tshuaj tuaj yeem ua rau muaj teeb meem xws li donuts thiab sau rau hauv.
Kev daws: Hloov mus rau qhov hnyav-resistant elastomer lub tes tsho, uas tsis tshua muaj o thiab tswj qhov ntev ntawm lub sijhawm.
8. Tswj Web Tension
Vim li cas: Kev tsis raug lub vev xaib tuaj yeem ua rau muaj kev sau npe tsis raug, slurring, lossis hla-tawm qhov tsis xws luag thaum lub substrate stretches lossis sib cog lus tsis sib xws.
Kev daws: Xyuas kom meej tias lub vev xaib nruj zoo ib yam thoob plaws hauv kev luam tawm. Siv cov txheej txheem tswj nruj los saib xyuas thiab kho qhov nro raws li xav tau.
9. Ua kom muaj kev ziab kom zoo
Vim li cas: Kev ziab kom qhuav tsis raug tuaj yeem ua rau muaj qhov tsis xws luag xws li pinholing, feathering, thiab tsis zoo number case adhesion.
Kev daws: Kho qhov ziab kom qhuav kom haum rau hom number case thiab substrate. Xyuas kom muaj cua txaus thiab qhov kub thiab txias kom tsis txhob ziab sai dhau los yog qeeb qeeb.
10. Ua raws li Kev Kho Xov Xwm Tsis tu ncua
Vim li cas: Flexo presses yog cov tshuab nyuaj uas yuav tsum tau saib xyuas kom tsis tu ncua los tiv thaiv cov teeb meem uas ua rau muaj qhov tsis xws luag.
Kev daws: Tsim ib lub sijhawm saib xyuas tsis tu ncua uas suav nrog kev tshuaj xyuas, lubrication, tu, thiab calibration ntawm tag nrho cov xovxwm Cheebtsam kom lub tshuab ua haujlwm zoo thiab tiv thaiv kev puas tsuaj uas tsis tau xav txog.
Xaus
Flexographic luam ntawv tsis xws luag tuaj yeem nyuaj, tab sis nrog kev saib xyuas kom zoo thiab kev saib xyuas zoo, feem ntau cov teeb meem tuaj yeem tiv thaiv lossis kho. Los ntawm kev nkag siab txog cov 15 hom flexo luam ntawv tsis xws luag, lawv cov laj thawj, thiab yuav kho lawv li cas, koj tuaj yeem txhim kho luam ntawv zoo, txo qis sijhawm, thiab txhim kho cov khoom tsim tau.
Puas muaj teeb meem txheeb xyuas lossis daws teeb meem flexo luam ntawv? Peb nyob ntawm no los pab. Peb cov kws tshaj lij tau npaj los muab cov lus qhia thiab txhawb nqa koj txhua lub sijhawm. Tiv tauj peb kom tau txais kev txhawb nqa kev tshaj lij thiab ua tiav!
FAQs:
1. Dab tsi ua rau ntau qhov dot nce hauv flexo luam ntawv?
Feem ntau cov dot nce feem ntau tshwm sim los ntawm ntau dhau ntawm cov ntawv luam ntawv thiab cov substrate. Lwm yam muaj xws li ink ink viscosity, o daim hlau, thiab siab anilox cell ntim. Txo qhov siab thiab saib xyuas tus cwj mem zoo ib yam tuaj yeem pab tswj cov dot nce.
2. Kuv tuaj yeem kho cov cim iav los yog banding ntawm kuv cov ntawv luam tawm li cas?
Gear marks (banding) feem ntau yog tshwm sim los ntawm kev hnav los yog tsis zoo meshed iav. Kev saib xyuas tsis tu ncua, lubrication kom zoo, thiab kho lub siab luam ntawv tuaj yeem txo qhov tshwm sim ntawm cov teeb meem no. Kev tshuaj xyuas cov iav rau hnav thiab hloov lawv thaum tsim nyog kuj tseem ceeb heev.
3. Dab tsi yog qhov feem ntau ua rau cov nyhuv halo hauv flexo luam ntawv?
Cov nyhuv halo feem ntau tshwm sim los ntawm kev siab dhau ntawm lub tshuab luam ntawv lub tog raj kheej, ua rau tus number case kis dhau qhov tsim qauv. Txo qhov siab thiab ua kom lub tog raj kheej-rau-lub vev xaib nrawm nrawm yuav daws qhov teeb meem no.
4. Kuv yuav ua li cas tiv thaiv tus number case feathering ntawm kuv prints?
Feathering tshwm sim thaum tus number case kis dhau qhov chaw npaj, feem ntau vim yog lub siab dhau los yog qias neeg substrates. Txhawm rau tiv thaiv qhov no, kho qhov siab, ntxuav cov duab cab kuj, thiab xyuas kom meej tias lub substrate tsis muaj cov khib nyiab.
5. Dab tsi tuaj yeem ua rau kev sau npe tsis raug hauv flexo luam ntawv?
Kev sau npe tsis raug yog tshwm sim los ntawm kev ua tsis zoo ntawm cov ntawv luam ntawv, tsis sib haum lub vev xaib, lossis hnav ntawm lub tog raj kheej. Txhawm rau txhim kho qhov no, rov kho cov phiaj xwm, xyuas kom meej lub vev xaib kom raug, thiab hloov cov thooj voos kheej kheej lossis cov phaj.
6. Kuv tuaj yeem tshem tawm qhov tsis xws li pinholing ntawm kuv cov ntawv luam tawm li cas?
Pinholing feem ntau tshwm sim los ntawm qias neeg anilox rollers los yog number case kom qhuav sai heev. Ntxuav cov anilox rollers kom huv si, kho tus number case viscosity, thiab ua kom qhuav nrawm nrawm txhawm rau txhim kho tus lej hloov thiab tshem tawm cov pinholes.
7. Kuv tuaj yeem ua cov kauj ruam twg los txo cov ntawv luam tawm qias neeg hauv flexo luam ntawv?
Cov ntawv luam tawm qias neeg feem ntau tshwm sim los ntawm cov kab mob xws li plua plav, av, los yog cov khoom ua kom qhuav. Tsis tu ncua ntxuav cov xovxwm Cheebtsam, tswj cov hluav taws xob zoo li qub, thiab tswj kom huv huv chav xovxwm kom tsis txhob muaj qhov tsis xws luag.
