Ib Tes-Nyob rau hauv Phau Ntawv Qhia Kho Holographic Laser Embossing Defects ntawm Cigarette Packs
Holographic laser card daim ntawv, ua tsaug rau nws qhov tshwj xeeb dynamic kho qhov muag los thiab zoo heev los tiv thaiv-kev ua yeeb yam, tau siv dav hauv zaub mov, tshuaj, haus luam yeeb, cawv, thiab siab- khoom plig kawg, raws li pom hauv daim duab 1. Cov cuab yeej siv tshuab no siv cov txheej txheem laser holographic embossing kom hloov pauv micro- cov duab ntawm cov duab ntawm nano. Ua ke nrog cov txheej txheem txhuas txheej los tsim cov xim hlau ci, cov ntim khoom nthuav tawm cov yeeb yuj, peb - qhov pom kev pom tshwm hauv qab lub teeb ntuj.
Vim tias cov txheej txheem holographic laser embossing koom nrog ntau cov kauj ruam xws li photolithography thiab laser embossing nrog lub tshuab nqus tsev aluminium txheej, ntau lawm tuaj yeem cuam tshuam los ntawm cov khoom siv, cov khoom siv, thiab ib puag ncig, ua rau muaj teeb meem zoo xws li cov duab tsis meej pem, cov qauv tsis raug, thiab cov qauv tsim los yog kev sib txawv. Tsab ntawv xov xwm no tau tshuaj xyuas cov ntsiab lus tseem ceeb ntawm kev tswj hwm zoo rau holographic laser daim npav daim ntawv thiab tawm tswv yim kev ua kom zoo dua qub thiab kev tshuaj xyuas hauv online rau cov teeb meem tshwm sim hauv cov txheej txheem holographic laser embossing, aiming muab theoretical kev txhawb nqa thiab cov tswv yim qhia rau kev txhim kho yield thiab txo nqi ntau lawm.
Daim duab 1 Daim Ntawv Thov Cov nyhuv ntawm Laser Cardboard nyob rau hauv cov luam yeeb pob
Cov ntsiab lus tseem ceeb rau Kev Tswj Xyuas Zoo hauv Holographic Laser Cardboard Embossing
Vim yog cov khoom siv kho qhov muag thiab cov khoom siv ntawm laser cardboard, nrog rau cov khoom siv thiab ib puag ncig, nws nyuaj rau saib xyuas thiab tswj cov khoom zoo thaum lub sij hawm embossing txheej txheem, ua rau laser tsis xws luag. Txhawm rau kom ntseeg tau tias muaj txiaj ntsig zoo thoob plaws tib lub batch lossis txawm tias sib txawv ntawm cov khoom siv laser, txo cov khoom pov tseg ntawm cov yeeb yaj kiab laser, thiab txiav cov nqi, kev tswj xyuas zoo yuav tsum tau ua nyob rau ntau theem, raws li qhia hauv daim duab 2.
Daim duab 2 Cov ntsiab lus tseem ceeb rau kev tswj kom zoo nyob rau hauv holographic laser card daim ntawv molding txheej txheem
01/ Kev xaiv substrate thiab kho
Tam sim no, feem ntau laser cardboard nyob rau hauv kev ua lag luam siv BOPET (biaxially oriented polyester) zaj duab xis ua lub hauv paus zaj duab xis. Piv rau BOPP (biaxially oriented polypropylene) zaj duab xis, BOPET muaj qhov ntom ntom dua thiab muaj cov tshuaj tiv thaiv zoo heev, tiv thaiv tshav kub, tiv thaiv xeb, noo noo thiab dej tsis kam, thiab kev hloov pauv rau kev ua haujlwm thib ob. Vim tias BOPET cov yeeb yaj kiab muaj cov adsorption siab ntawm qhov chaw, yuav tsum tau them nyiaj rau cov plua plav thiab lwm yam impurities thaum khaws cia. Tsis tas li ntawd, txhawm rau tiv thaiv cov yeeb yaj kiab los ntawm deforming vim qhov kub thiab txias, qhov kub thiab av noo thaum khaws cia hauv lub tsev yuav tsum yog nruab nrab.
Qhov zoo ntawm cov zaj duab xis txheej ncaj qha cuam tshuam rau qhov zoo thiab cov nyhuv tom qab molding, yog li thaum lub sij hawm txheej txheej, txheej txheej yuav tsum tau tswj kom tsim nyog ntawm 2 ~ 3μm. Cov feem ntau siv ceramic anilox cov menyuam muaj ib lub mesh suav ntawm 150 mesh, 60℃honeycomb qhov, thiab U-zoo li tus sab; Yog tias siv cov hlau anilox rollers, cov mesh suav yuav tsum yog 150 ~ 160 mesh, thiab cov txheej txheej qhuav yuav tsum tswj nyob rau hauv thaj tsam ntawm 1.0 ~ 2.0g / ㎡ thaum cov ntsiab lus ntawm cov khoom ua kua yog 16%. Ntawm lawv, cov hlau anilox rollers muaj qhov zoo xws li cov nqi pib qis, kev ua haujlwm luv luv, thiab kev saib xyuas yooj yim, tab sis lawv cov hnav tsis kam, luam ntawv precision, corrosion kuj, thiab thermal stability kuj tsis muaj zog; Ceramic anilox rollers sawv tawm hauv kev hnav tsis kam, tus lej hloov pauv raug, kev tiv thaiv corrosion, thiab ntev -lub sij hawm ruaj khov, ua rau lawv haum rau siab - nrawm zoo luam ntawv scenarios. Txawm li cas los xij, lawv muaj qhov tsis zoo xws li cov nqi pib ua haujlwm siab thiab kev ua haujlwm ntev.
02/ Txheej txheem parameter tswj
Thaum lub sij hawm molding txheej txheem, ntau lawm yam xws li kub, nro, siab, thiab ceev yog txuam nrog, txhua yam uas muaj feem xyuam rau qhov zoo ntawm cov tiav zaj duab xis. Yog li ntawd, thaum lub sij hawm tsim khoom, kev kho kom zoo yuav tsum tau ua raws li qhov tseeb ntawm kev tsim khoom, nrog rau kev hloov kho ntau yam qhia hauv Table 1.
Table 1 Moulding Process Parameter Table
Rau cov txheej txheem holographic molding, kub, ceev, siab, thiab nro tsis yog ib qho kev ywj pheej, tab sis yog "kev sib koom ua ke tswj" tsim nyob ib ncig ntawm qhov tseeb replicating micro-nano cov qauv, ua kom cov yeeb yaj kiab ruaj khov, thiab ntsuas kev ua haujlwm zoo. Ib qho kev hloov kho lossis kev hloov pauv hauv ib qho parameter yuav ua rau muaj kev hloov pauv mus rau lwm qhov tsis muaj. Cov kub ntau dhau tuaj yeem ua rau txheej txheej tawg, phaj hlawv, thiab kub hnyiab, ua rau qhov muag plooj laser duab thiab cov ntawv nyeem; Yog tias qhov kub thiab txias qis dhau lawm thiab qhov chaw mos ntawm cov resin tsis ncav cuag, lub txheej yuav tsis soften, micro-nano qauv hloov yuav ua tsis tiav, thiab cov nyhuv laser yuav tsis zoo. Kev kub siab dhau ua rau cov yeeb yaj kiab deformation thiab kev puas tsuaj rau lub phaj rau cov menyuam; Yog tias qhov siab qis dhau lawm, cov duab thiab cov ntawv yuav tsis luam tawm tag nrho. Yog tias qhov nrawm nrawm dhau, nws tuaj yeem ua rau cov duab tsis pom tseeb thiab cov ntawv nyeem, phaj nplaum, lossis zaj duab xis entanglement; Yog tias qhov nrawm nrawm dhau, cov yeeb yaj kiab yuav deform vim kub, tsis muaj xim, thiab txo qhov hnav tsis kam. Kev nruj heev ua rau cov yeeb yaj kiab deformation, txo lub cev lub zog, thiab txawm tias rebar tawg; Yog tias qhov nro qis dhau lawm, zaj duab xis yuav swb thiab wrinkle, ncaj qha cuam tshuam rau cov nyhuv laser. Yog li ntawd, plaub yam no ua ke txiav txim siab qhov ua tau zoo ntawm "kev tswj hwm kev kaw zaj duab xis."
03/ Kev xeem online
Ua ntej molding ntau lawm, tus thawj tswj hwm lub tshuab, IPQC, thiab cov neeg ua haujlwm technical yuav tsum ua tus kheej - tshuaj xyuas, kev tshuaj ntsuam xyuas, thiab kev soj ntsuam xyuas. Ua ntej pib lub tshuab, xyuas kom meej tias qhov chaw ntawm lub phaj cov menyuam tsis muaj cov khoom txawv teb chaws; Tom qab lub hwj chim rau, ib daim ntawm molded laser zaj duab xis yuav tsum tau muab tshem tawm, positioned thiab sau npe nrog cov zaj duab xis phaj, thiab lub holographic laser nyhuv yuav tsum tau xyuas kom meej tias nws ua tau raws li cov neeg yuav tsum tau. Yog hais tias deviations tshwm sim, ceev thiab nro yuav tsum tau kho tam sim ntawd los tiv thaiv zaj duab xis scrapping. Kev tsim khoom tuaj yeem ua tiav tom qab lees paub tias tsis muaj teeb meem.
Thaum lub sij hawm molding tshuab ntau lawm, ib stroboscope yuav tsum tau siv txhua txhua 10 ~ 15 feeb los xyuas los yog qeeb los xyuas cov khoom zoo. Rau tag nrho - cov khoom lag luam, tsom mus rau kev tshuaj xyuas lawv cov tsos zoo los kuaj xyuas cov teeb meem xws li kev xau siab lossis cov pob dawb; Rau kev tso cov khoom, kev saib xyuas tshwj xeeb yuav tsum tau them rau qhov deformation ntawm zaj duab xis. Yog tias pom muaj teeb meem, kev hloov kho yuav tsum tau ua kom sai. Tom qab txhua qhov hloov pauv, lub phaj cov menyuam yuav tsum tau so kom tsis txhob muaj plua plav los ntawm kev poob thiab ua rau molding tsis xws luag.
04/ Rhiav ib puag ncig
Thaum lub sijhawm ua haujlwm siab - nrawm, zaj duab xis nqus cov plua plav thiab ya raws los ntawm ib puag ncig ib puag ncig, uas cuam tshuam ncaj qha rau qhov zoo ntawm molding. Txhawm rau kom qhov chaw tsim khoom ua tau raws li cov plua plav-dawb thiab hmoov- cov qauv dawb, cov neeg ua haujlwm yuav tsum xub hla hauv chav da dej ua ntej nkag mus rau hauv lub rooj cob qhia kom tshem tawm cov plua plav tawm ntawm lawv lub cev. Kev hloov pauv loj hauv qhov kub thiab av noo tuaj yeem ua rau cov yeeb yaj kiab deformation lossis txawm hloov cov khoom sab hauv. Yog li ntawd, lub rooj cob qhia molding yuav tsum muaj qhov chaw ua haujlwm ruaj khov, nrog rau qhov kub ntawm 20 ~ 25℃thiab av noo ntawm 55% ~ 65%.
Cov teeb meem zoo thiab cov kev daws teeb meem hauv holographic laser card daim ntawv molding txheej txheem
Cov txheej txheem holographic laser daim ntawv molding yog cuam tshuam los ntawm ntau yam xws li cov khoom siv, cov khoom siv tsis zoo, thiab ib puag ncig, ua rau muaj qhov tsis zoo. Raws li kev tsim khoom tiag tiag, qhov ua rau, tus yam ntxwv, thiab cov kev daws teeb meem rau plaub hom kev ua haujlwm zoo yog cov ntsiab lus, ntsuas qhov ua tau zoo thiab ua haujlwm tau zoo.
01/ Cov ntawv holographic thiab cov duab cov ntaub ntawv feem ntau yog qhov muag plooj
Cov duab tiav thiab cov ntawv nyeem tsis muaj kev ntxhib los mos, tsis muaj qhov cuam tshuam 3D thiab peb - qhov xav tau, thiab nyob rau hauv siab - lub hwj chim microscopes, micro / nano cov qauv yuav tsis puv. Cov teeb meem no feem ntau tshwm sim los ntawm plaub yam tseem ceeb:
(1) Kub tsis txaus. Cov txheej tsis tau mus txog qhov kub thiab txias, muaj cov dej tsis zoo, thiab tsis tuaj yeem sau qhov tob microstructure ntawm laser phaj.
(2) Pressure too low. Insufficient filling driving force, especially affecting 3D graphics and text at depths >0.5μm.
(3) ceev ceev heev. Lub sij hawm sib cuag ntawm zaj duab xis thiab lub phaj laser yog <0.08s, thiab micro-nano qauv detaches ua ntej sau tiav.
(4) Pwm paug. Lub micro-nano qauv ntawm lub laser phaj yog thaiv los ntawm plua plav thiab zaj duab xis precipitates, ua rau nws tsis yooj yim sua kom hloov cov duab thiab cov ntawv.
Cov kev ntsuas meej yog xav tau los daws cov laj thawj saum toj no:
(1) Tsim nyog nce lub phaj rau cov menyuam kub kom ua tiav cov dej ntws hauv lub hauv paus zaj duab xis txheej, kom ntseeg tau tias puv puv ntawm qhov sib sib zog nqus microstructure ntawm laser phaj.
(2) Ua kom lub siab ntawm cov phaj chais kom tag nrho cov ntaub ntawv laser phaj nraaj mus rau hauv lub hauv paus zaj duab xis nrog lub zog tsav txaus, tshwj xeeb tshaj yog haum rau 3D duab thiab cov ntawv nrog qhov tob> 0.5μm.
(3) Txo kev sib tw thiab rov ua kom nrawm dua, ncua sij hawm sib cuag ntawm lub hauv paus zaj duab xis thiab cov phaj yob, thiab xyuas kom meej tag nrho replication ntawm micro- thiab nano qauv.
(4) Ua ntej laminating, ua tib zoo tshuaj xyuas lub phaj laser kom paub tseeb tias tsis muaj omissions thiab meej cov duab thiab cov ntawv. So saum npoo tam sim kom tshem tawm cov plua plav thiab cov khoom pov tseg, tiv thaiv cov txheej txheem thaiv.
02/ Ib feem ntawm cov duab thiab cov ntawv tsis tiav
Qhov tshwm sim ntawm cov khoom tiav uas qhia txog kab rov tav thiab ntsug ruaj khov strips lossis cov duab uas ploj lawm hauv thaj chaw ntug thaum lwm qhov chaw nyob ib txwm yog tshwm sim los ntawm plaub yam tseem ceeb:
(1) Lub siab tsis zoo rau cov menyuam qhov mob, tshwm sim raws li lub pob hauv nruab nrab ntawm cov menyuam yaus ua rau sab laug blanks lossis sab laug - txoj cai sib luag sib txawv tshaj 0.02mm, ua rau tsis sib xws ntawm lamination.
(2) Kev tswj qhov kub tsis zoo, nrog rau qhov ntsuas kub ntawm qhov sib txawv ntawm qhov siab ntawm cov menyuam siab tshaj 3 degree, tsis txaus zaj duab xis softening nyob rau hauv qis - qhov kub thiab txias, tsis muaj peev xwm hloov tag nrho cov duab thiab cov ntawv nyeem.
(3) Pwm hnav: hauv zos micro-nano qauv ntawm lub laser phaj hnav vim ntev - lamination, cuam tshuam qhov tseeb ntawm cov duab thiab cov ntawv luam tawm.
(4) Kev tsis sib haum xeeb hauv kev kho qhov nro, qhov tsis txaus ntawm ntug ntawm cov yeeb yaj kiab dav, ua rau lub zog tsis muaj zog hauv zos.
Txhawm rau hais txog cov laj thawj saum toj no, cov txheej txheem hauv qab no yuav tsum tau ua raws li: Ua ntej, tshuaj xyuas lub laser vaj huam sib luag kom paub meej tias cov ntawv luam tawm uas ploj lawm lossis kev hnav hauv zos, thiab tam sim ntawd so thiab ntxuav cov stains pom; Tom ntej no, xyuas qhov flatness ntawm lub siab rollers, xyuas seb puas muaj qhov tsis xws luag, thiab ib txhij kuaj xyuas qhov kub thiab txias ntawm lub siab rollers thiab cov txheej txheem kev khiav hauj lwm ntawm lub tshuab kis tau tus mob kom ntseeg tau tias qhov kub thiab txias uniformity thiab cov khoom ruaj khov; Yog tias tsis muaj qhov txawv txav tom qab kev tshuaj xyuas saum toj no, nws tau txiav txim siab tias lub siab lub cev lub cev tau hnav thiab deformed, thiab lub siab cov menyuam yuav tsum tau hloov tam sim ntawd kom rov qab nias qhov tseeb thiab daws qhov teeb meem ntawm cov duab ploj thiab cov ntawv nyeem.
03/ Graphic stretching thiab deformation
Qhov sib txawv ntawm qhov sib txawv ntawm cov duab thiab cov ntawv ntawm cov yeeb yaj kiab laser tiav thiab qhov tsim qhov ntev, thiab pom qhov nce hauv micro-lub sij hawm kev ntxhib los mos nyob rau hauv siab magnification, feem ntau yog tshwm sim los ntawm peb yam tseem ceeb:
(1) Kev tswj nruj heev. Longitudinal nro tshaj qhov elastic txwv ntawm zaj duab xis, ua rau stretching thiab deformation ntawm zaj duab xis, uas nyob rau hauv lem hloov qhov ntev ntawm cov duab nraaj.
(2) Kev ntsuas kub yog siab dhau. Piv txwv li, thaum PET zaj duab xis ua qhov kub siab tshaj 230 degree, cov yeeb yaj kiab yuav dhau los ua softened, ua rau cov saw hlau molecular mus rau sab nraud quab yuam, ua rau cov duab tsis zoo thiab micro-texture dimensions.
(3) Tsis sib npaug hauv kev sib tw ceev. Lub winding ceev yog siab tshaj qhov ceev ntawm zaj duab xis, tsim kom muaj tensile quab yuam ntawm zaj duab xis, ua rau longitudinal stretching thiab thaum kawg ua rau qhov sib txawv ntawm qhov sib txawv ntawm cov duab thiab cov ntawv.
Txhawm rau daws cov laj thawj saum toj no, cov phiaj xwm hauv qab no tuaj yeem ua tau:
(1) Txo qhov nro ntev thaum ua cov yeeb yaj kiab, kom ntseeg tau tias tus nqi nro yog khaws cia rau hauv cov yeeb yaj kiab elastic txwv ntau yam los tiv thaiv cov duab deformation los ntawm kev ncab ntau dhau.
(2) Tsim nyog txo qhov siab ntawm cov menyuam kub; Piv txwv li, PET zaj duab xis ua qhov kub thiab txias yuav tsum tau khaws cia qis dua 230℃los tiv thaiv cov yeeb yaj kiab ntau dhau thiab cov saw hlau molecular stretching.
(3) Kho cov winding thiab unwinding speeds kom ntseeg tau tias lub winding ceev sib tw rau cov zaj duab xis mus ncig teb chaws ceev, tshem tawm nro los ntawm kev sib txawv ceev, tsis txhob longitudinal stretching ntawm zaj duab xis, thiab lav qhov tseeb qhov tseeb ntawm cov duab thiab cov ntawv.
04/ Kev tsis ncaj ncees ntawm cov ntawv thiab cov duab
Misalignment ntawm holographic nraaj thiab cov ntaub ntawv ntawv thiab lwm yam zaj duab xis cim, tsis raug zes, los yog misalignment ntawm cov khaubncaws sab nraud povtseg ntawm multi- xim holographic mas tshwm sim los ntawm peb hom teeb meem:
(1) Film misalignment. Tsis ruaj khov nro ua rau lub zog tsis sib npaug ntawm cov yeeb yaj kiab, lossis kev sib txawv ntawm qhov sib luag ntawm cov menyuam lub siab, tag nrho cov no tuaj yeem ua rau qhov sib txawv ntawm zaj duab xis thiab ua rau cov duab tsis zoo.
(2) Pwm positioning sib txawv. Yog hais tias lub laser phaj thiab lub siab rau cov menyuam yog loosely bonded, lub laser phaj yog nquag mus positional hloov thaum lub sij hawm molding txheej txheem, ua rau cov duab tsis raug thiab cov ntawv tso cai.
(3) Kev nrawm nrawm. Cov yeeb yaj kiab qhov nrawm nrawm nrawm nrawm thiab qeeb, cuam tshuam cov ntsug synchronization ntawm cov ntawv thiab cov duab tsuj, ua rau misalignment.
Txhawm rau hais txog cov laj thawj saum toj no, nws yuav tsum xub sib piv cov yeeb yaj kiab nrog cov qauv kom raug ntsuas qhov sib txawv, thiab tom qab ntawd siv cov phiaj xwm ntsuas:
(1) Yog hais tias nws yog lateral deviation, kho cov zaj duab xis ceev stability kom tshem tawm qhov cuam tshuam ntawm kev hloov ceev, thaum optimizing cov menyuam kub los pab txhim kho zaj duab xis misalignment.
(2) Yog hais tias nws yog longitudinal sib txawv, tsom rau kev kho cov yeeb yaj kiab nro kom ruaj khov thiab tsis txhob longitudinal misalignment los ntawm kev sib hloov nro.
(3) Yog tias pwm qhov sib txawv ntawm qhov sib txawv, rov- kho qhov haum ntawm lub phaj laser thiab lub siab rau cov menyuam, kho cov menyuam sib luag, thiab daws qhov teeb meem tsis raug ntawm qhov chaw, kom ntseeg tau qhov tseeb ntawm cov txheej txheem holographic nraaj zes.
Summary thiab Outlook
Nyob rau hauv lub neej yav tom ntej, holographic laser card daim ntawv molding txheej txheem tuaj yeem ua tiav cov khoom siv, txheej txheem, thiab kev tiv thaiv ib puag ncig: ntawm cov khoom siv, tsim thiab siv ntau dua thiab biodegradable substrates, tsim nyias, siab - cov yeeb yaj kiab muaj zog, thiab txhim kho lawv kev sib raug zoo nrog cov txheej txheem molding; Optimize molded rollers thiab siab- nrawm nrawm- dav siv hauv cov txheej txheem los txhim kho qhov loj- nplai ntau lawm; Rau kev tiv thaiv ib puag ncig, dej-raws li txheej, UV-LED curing coatings, thiab lwm yam ntaub ntawv uas muaj VOC emissions tsawg yog siv. Cov thev naus laus zis no, uas suav nrog cov khoom siv kho qhov muag, cov ntaub ntawv, thiab kev luam ntawv kos duab, tau hloov kho raws txoj hauv kev uas tsis yog tsuas yog ua rau pom kev tsim kho tshiab thiab kev lag luam kev vam meej, tab sis kuj tseem txhawb nqa qhov ntev ntawm tib neeg kev nkag siab thiab kev qhia ntawm lub ntiaj teb nyob rau hauv ib txoj kev tshwj xeeb.
Hauv kev tshawb fawb txog qhov muaj peev xwm ntawm holographic laser card daim ntawv molding txheej txheem, kab lus no tsuas yog kov ntawm qhov chaw loj no, thiab nws yuav tsum tau lees paub tias kev tshawb fawb tam sim no tseem muaj kev txwv. Txawm hais tias nws yog kev ua tiav hauv cov ntaub ntawv tshawb fawb, ua kom cov txheej txheem kev sib raug zoo ib puag ncig, lossis kev sib koom ua ke nrog cov kev txawj ntse digital, txhua tus xav tau kev tshawb fawb tob dua thiab sib koom ua ke.