Cov ntsiab lus tseem ceeb ntawm 'cov teeb meem nyuaj' hauv kev ua cov yeeb yaj kiab-Hloov tus kheej- Cov ntawv nplaum
Nrog rau kev txhim kho txuas ntxiv ntawm Tuam Tshoj txoj kev lag luam, tus kheej - cov ntawv nplaum tau dhau los ua ntau dua thiab siv dav hauv ntau qhov chaw ntim khoom. Nyob rau hauv xyoo tas los no, tib neeg cov kev xav tau rau kev ntim khoom zoo thiab zoo nkauj tau dhau los ua ntau dua thiab ntau dua, thiab cov yeeb yaj kiab tus kheej -cov ntaub ntawv nplaum kuj tau nce ntxiv. Zaj duab xis tus kheej-cov ntaub ntawv nplaum txawv ntawm daim ntawv tus kheej- cov ntaub ntawv nplaum, uas muaj cov kev xav tau siab dua rau kev ua cov cuab yeej siv thiab ua rau qee qhov teeb meem thaum ua. Nov yog qee qhov teeb meem thiab kev daws teeb meem hauv kev ua cov yeeb yaj kiab tus kheej - cov ntawv nplaum.
Printing number case poob
1
Cov txheej txheej tsis zoo
Qhov nro ntawm cov ntaub ntawv zaj duab xis yog tsawg, thiab nws yuav tsum tau coated ua ntej yuav ua rau nws tus kheej -cov ntaub ntawv nplaum, thiab cov txheej tsis zoo yuav ua rau cov number case poob hauv kev luam ntawv. Nws feem ntau manifests raws li ib tug loj cheeb tsam ntawm tus number case tev tawm, tshwj xeeb tshaj yog thaum lub sij hawm soj ntsuam daim kab xev, qhov chaw tus number case yuav lo rau ib tug loj cheeb tsam ntawm daim kab xev. Lub sijhawm no, cov khoom siv raw khoom yuav tsum tau hloov cov khoom tsim nyog, lossis lub tuam txhab luam ntawv yuav tsum luam tawm lwm txheej ntawm primer roj kom nce qhov nro, tab sis nws yuav nce tus nqi.
2
Kev sib txuam tsis zoo ntawm tus cwj mem thiab cov khoom siv
Ink drops tshwm sim los ntawm qhov no feem ntau tshwm nyob rau hauv thaj ua rau thaj los yog sporadic. Xav txog yam xws li cov nqi khoom siv thiab cov neeg siv khoom xav tau, nws tsis tuaj yeem hloov cov ntaub ntawv. Nyob rau lub sijhawm no, tus neeg muab tus cwj mem tuaj yeem paub tias tus number case twg phim cov khoom. Nyob rau tib lub sijhawm, cov chaw luam ntawv tseem tuaj yeem siv qee qhov kev pabcuam, xws li kev kho mob corona ntawm cov ntaub ntawv ua ntej.
3
Corona muaj qhov tsis zoo
Tus cwj mem poob ntawm cov khoom siv zaj duab xis yog cuam tshuam nrog lub zog saum npoo ntawm cov khoom, qhov muaj zog ntawm lub zog saum npoo, qhov muaj zog ntawm tus number case adhesion, thiab vice versa. Txawm li cas los xij, cov nyhuv corona yuav lwj thaum lub sijhawm, thiab tus number case yuav poob thaum luam ntawv. Qhov tshwm sim no muaj ntau dua nyob rau hauv cov khoom pheej yig BOPP thiab PE, uas yog corona kho los ntawm cov tuam txhab feem ntau xav txog cov nqi txheej siab. Hauv qhov xwm txheej zoo li no, cov chaw tsim khoom lossis cov chaw muag khoom yuav tsum rov ua dua -corona ua ntej nias.
4
Cov teeb meem UV ziab
Cov ntaub nplaum feem ntau siv UV number case rau kev luam ntawv, yog li kev ziab tsis tiav tuaj yeem ua rau number case smudging. Qhov teeb meem no feem ntau tshwm sim raws li ib lossis ob xim smudging thiab tuaj yeem daws tau los ntawm kev ua kom lub zog UV teeb lossis hloov lub teeb lub teeb UV.
Printing Inconsistencies, Blurriness, thiab White Spots
1. Khoom nto Flatness
Feem ntau, qhov flatness ntawm cov ntaub ntawv zaj duab xis yog zoo dua li ntawm cov ntaub ntawv. Txawm li cas los xij, qee cov ntaub ntawv tshwj xeeb, xws li cov ntawv thermal hluavtaws nrog cov txheej txheem thermal, tuaj yeem ua rau luam ntawv tsis sib xws lossis tsis pom tseeb. Qhov no yog vim cov txheej txheem tsis zoo, uas tuaj yeem pom cov pob dawb dawb thaum nthuav dav. Nyob rau hauv rooj plaub no, thov ib tug primer number case rau ntawm cov khoom nto tuaj yeem txhim kho flatness.
2. Plua plav
Plua plav ntawm cov khoom nto tuaj yeem ua rau pob dawb thaum luam ntawv. Plua plav tuaj yeem tshwm sim los ntawm ntau qhov chaw, feem ntau yog los ntawm fibers tsim thaum lub sij hawm slitting los yog los ntawm cov khoom nws tus kheej shedding hmoov. Qhov no feem ntau tshwm sim raws li qhov me me ntawm cov pob dawb loj, thiab dhau sij hawm, cov plua plav tuaj yeem ua rau cov pob dawb nce ntxiv. Txhawm rau hais txog qhov no, daim ntaub tshem tawm cov plua plav tuaj yeem muab ntxiv ua ntej lub tshuab luam ntawv, thiab rau cov khoom nruj lossis cov khoom loj-xim xim, cov xim primer tuaj yeem luam tawm ua ntej thawj pab pawg xim los tiv thaiv cov pob dawb.
3. Kev luam ntawv siab
Lub siab luam ntawv ncaj qha cuam tshuam rau kev luam ntawv zoo. Lub siab ntau dhau tuaj yeem ua rau cov duab tsis zoo, thaum lub siab tsis txaus tuaj yeem ua rau luam ntawv tsis sib xws lossis qhov muag tsis pom. Qhov no feem ntau tshwm sim raws li tus qauv tsis tu ncua ntawm kev luam ntawv tsis zoo, uas ploj mus thaum lub tshuab luam ntawv siab ntxiv.
Loj Printing Xim txawv
1. Xim txawv ntawm zaj duab xis substrate
Cov xim sib txawv ntawm cov khoom sib txawv ntawm cov yeeb yaj kiab substrates yog qhov kev zam. Tom qab luam ntawv, qhov kev xav ntawm lub teeb tuaj yeem ua rau cov xim sib txawv ntau pom. Hauv qhov no, tib txoj kev daws teeb meem yog hloov cov khoom siv. Tsis muaj cov khoom siv ua yeeb yaj kiab uas tsis muaj xim sib txawv kiag li, yog li thaum tsim cov khoom tshiab, kev txwv sab saud thiab qis ntawm daim ntawv lo xim yuav tsum tau pom zoo nrog rau cov neeg siv khoom thiab cov xim sib txawv uas tau lees paub kom tsis txhob muaj kev pheej hmoo.
2. Qhov txawv ntawm Ink Absorption ntawm Substrate Deg
Txawm tias cov ntaub ntawv zaj duab xis los ntawm tib batch tuaj yeem pom cov xim sib txawv thaum luam tawm. Qhov no yog vim qhov sib txawv ntawm tus cwj mem nqus los ntawm instability nyob rau hauv lub zog saum npoo ntawm cov khoom. Rau cov ntaub ntawv uas muaj xim sib txawv, qhov luaj li cas ntawm cov dots ntawm txheej txheej yuav txawv tom qab luam ntawv. Hauv qhov no, ib qho undercoat tuaj yeem siv tau, tab sis thaum kawg cov khoom siv raw xav tau kev txhim kho.
3. Qhov sib txawv ntawm Substrate Flatness
Qhov flatness ntawm cov khoom ncaj qha cuam tshuam rau kev luam tawm ntawm cov ntawv luam tawm, uas tuaj yeem ua rau muaj xim sib txawv. Cov xim luam ntawv sib txawv tshwm sim los ntawm qhov tshwm sim no qhia pom tseeb dot loj variations. Hauv qhov no, tus cwj mem hauv qab tuaj yeem siv ua ntej, thiab yog tias nws tseem tsis tuaj yeem daws qhov teeb meem, kev hloov khoom siv yuav tsum tau txiav txim siab.
Kev sau npe tsis raug hauv kev luam ntawv
1. Printing Tension Settings
Lub tshuab luam ntawv nruj cuam tshuam ncaj qha rau kev sau npe raug ntawm cov yeeb yaj kiab- cov ntaub ntawv hom. Yog tias qhov nro qis dhau lawm, cov khoom siv tau yooj yim yuav pom cov ntawv sau npe yuam kev; conversely, yog hais tias cov ntaub ntawv zaj duab xis yog stretched, nws kuj yuav cuam tshuam rau kev sau npe raug. Yog li ntawd, thaum luam tawm zaj duab xis- hom tus kheej- cov ntaub ntawv nplaum, cov ntawv luam tawm yuav tsum tau teem rau qhov tsawg kawg nkaus tus nqi uas ua kom muaj qhov tseeb ntawm kev sau npe.
2
UV teeb kub kub dhau heev lawm
Cov ntaub ntawv zaj duab xis tau pom tseeb cuam tshuam los ntawm qhov kub thiab txias, thiab yog tias UV teeb kub siab dhau thaum luam ntawv, nws yuav deform cov ntaub ntawv zaj duab xis thiab cuam tshuam rau qhov tseeb ntawm kev luam ntawv. UV teeb lub zog tuaj yeem txo kom txo tau nws qhov kub thiab txias. Txawm li cas los xij, nyob rau hauv qhov tseeb ntau lawm, nws yog feem ntau contradictory, lub hwj chim ntawm lub teeb UV yog siab, cov khoom yog deformed, thiab overprinting yog tsis raug; Lub zog ntawm lub teeb UV txo qis, thiab kev luam tawm yog qhov tseeb, tab sis tus number case tsis yooj yim kom qhuav. Yog li ntawd, nws yog ib qho tsim nyog los daws cov teeb meem, xws li priming number case, xaiv cov inks haum rau cov ntaub ntawv, los yog hloov cov xim luam ntawv, thawj luam ntawv inks uas tsis yooj yim rau qhuav, thiab lwm yam.
3
Cov khoom siv slitting tsis zoo
Lub ntsej muag kawg ntawm cov khoom tsis sib xws, thiab yuav muaj overprinting thiab khiav thaum luam ntawv. Yog tias qhov dav ntawm cov khoom txaus, qhov kev sib tw thib ob tuaj yeem nqa tawm, thiab 2 hli tuaj yeem txiav tawm ntawm ob sab; Yog tias qhov dav ntawm cov khoom siv tsis txaus, cov khoom siv tsuas yog hloov tau.
4
Cov khoom nro yog inconsistent
Cov ntaub ntawv zaj duab xis yog qhov rhiab heev rau qhov nro, yog tias qhov nro ntawm ob qhov kawg ntawm cov khoom tsis sib haum, nws yooj yim rau deviate thaum luam ntawv thiab ua rau tsis raug overprinting. Feem ntau yog tias ib qho kawg ntawm cov khoom yog tiaj tus thiab sab nraud yog nruj, ruffles yuav tshwm sim. Lub sijhawm no, nws raug nquahu kom siv lub tshuab luam ntawv txuas mus ntxiv nrog cov cuab yeej kho kom txo tau qhov tseeb ntawm overprinting.
5
Khoom thickness yuam kev
Muaj qhov sib txawv ntawm cov kua nplaum los ntawm tus kheej - cov ntaub ntawv nplaum, thiab qee zaum cov kua nplaum coated muaj qhov sib txawv loj, uas yuav ua rau cov thickness yuam kev ntawm ob qhov kawg ntawm cov khoom, ua rau kev sib txawv ntawm kev luam ntawv thiab cuam tshuam rau qhov tseeb ntawm overprinting. Lub sijhawm no, nws yog ib qho tsim nyog los hloov cov khoom siv los yog hloov cov khoom mus rau ib qho me me.
Tuag-txiav cov kua nplaum
1
Cov kua nplaum yog tuab dhau los yog muag heev
Cov kua nplaum yog ib qho nyuaj heev thiab tsis yooj yim rau overflow, tab sis nws yuav txo cov fluidity thiab stickiness; Yog tias nws yog mos heev, nws yooj yim rau nchuav kua nplaum. Feem ntau, cov txheej txheem ntawm cov yeeb yaj kiab tus kheej - cov ntaub nplaum nplaum yog 16g / m², thiab cov nyiaj ntau dhau ua rau cov kua nplaum dhau. Yog li ntawd, nws raug pom zoo kom xaiv cov khoom siv no los ua tib zoo mloog ob lub ntsiab lus no.
2
Lub nro ntawm winding yog heev
Lub zog sib txuas ntawm cov ntaub ntawv zaj duab xis thiab cov kua nplaum tsis zoo, thiab thaum lub zog winding loj dhau, nws yooj yim ua rau cov kua nplaum dhau ntawm txhua sab ntawm daim ntawv lo. Hauv qhov no, lub zog winding yuav tsum tau txo.
3
Tuag cutter teeb meem
Qee lub sij hawm muaj cov kua nplaum dhau ntawm ib lossis ob sab ntawm daim ntawv lo, feem ntau yog tshwm sim los ntawm lub tshuab txiav tuag, xws li hnav hnyav rau qee qhov ntawm lub tshuab txiav tuag. Lub sijhawm no, tus tuag- txiav riam yuav tsum tau hloov.