Vim li cas tsis muaj cov ntaub ntawv luam tawm cov ntaub ntawv thiab cov kev daws teeb meem
Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
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Thaum ntsuas qhov zoo ntawm cov teeb meem luam tawm, feem ntau yog ob qho peb tau siv feem ntau yog ib qho xim thiab ib qho pov thawj. Nws tuaj yeem pom tias nws tseem ceeb npaum li cas kom ua tau zoo thiab muaj tseeb tshaj qhov kev luam tawm cov khoom zoo.
Overprinting feem ntau txhais tau hais tias txhua qhov xim nrig yog xa mus rau thaj chaw geometric uas tau teev tseg los ntawm cov substrate, thiab qhov tseeb ntawm txhua qhov xim nrig muaj raws li cov kev cai ntawm kev lag luam. Rau qee cov ntaub ntawv luam tawm (piv txwv li, cov ciam teb meej tshaj tawm, navigation maps, thiab lwm yam.), Cov ntaub ntawv tshaj saud tsis yog suav cov kev cai saum toj no, tab sis kuj xav kom cov duab nraaj yuav tsum ua raws li cov me me.
Feem ntau, cov lus tsis txaus sau rau cov ntawv tshaj tawm yuav tsis txwv rau cov xim sib txawv ntawm tib qho teeb meem, thiab sab xub ntiag thiab sab nraud ntawm tib cov ntawv luam tawm yuav tsum muaj cov qauv zoo sib xws ntawm cov ntawv txheeb ntawm tib cov khoom ua ke.
Muaj ntau ntau yam ua rau vim li cas ho tsis tshaj tawm txoj hauv kev ua hauj lwm:
Los ntawm cov seem ntawm kev ua haujlwm, yuav luag txhua qhov txuas (khoom siv, phaj ua, luam ntawv) yuav ua lub hauv paus ua rau tsis muaj tseeb tshaj, thiab vim li cas nws tseem muaj ntau haiv neeg.
Hauv qab no peb ua ib qho kev ntsuam xyuas yooj yooj yim ntawm cov laj thawj no thiab tawm tswv yim qee cov kev daws teeb meem.
Ua ntej, phaj ua:
1. Kev tsim (vim kev siv ntawm CTFilm ntau dua, qhov teeb meem ntawm kev tshaj tawm los ntawm qhov kev ua txhaum tau tsawg dua, tab sis nws tseem nyob rau hauv phau ntawv kev coj ua). Cov teeb meem uas tau tshwm sim tuaj yeem rov raug rov qab thiab luam tawm. Ceev faj tau kov yeej.
2. Cov yeeb yaj kiab yog deformed thaum lub sij hawm cia.
3. Cov ntawv xov xwm ua rau
Feem ntau tsis pom nyob rau hauv tib qho luam, feem ntau pom nyob rau hauv ob los sis ntau tshaj tawm. Nws raug nquahu tias daim ntawv yuav tsum raug siv ua ntej thaum yuav tsum luam tawm ntau zaus. Yog hais tias lub tuam txhab muaj qhov kev siv ntawm kev siv lub cav qhuav tas, nws tuaj yeem ua kom zoo dua qub ntawm cov ntawv luam.
4. Ua zoo nkauj version
Nyob rau hauv lub ci version, yog hais tias PS version ntawm lub phom ci ntev heev los yog qhov kub tsis haum, nws yuav yooj yim ua rau softening ntawm phaj cov khoom, thiab lub zog tensile yuav txo. Thaum nws siv rau lub tshuab luam ntawv, nws yuav yooj yim deformed los ntawm qhov nro. Ua rau cov teeb meem loj dua.
Qhov ob, cov khoom siv:
Cov ntaub ntawv uas tau hais ntawm no yog daim ntawv tseem ceeb.
Lub ntsiab ntawm cov ntawv yog cov cellulose thiab hemicellulose, uas muaj ntau npaum li cas ntawm OH pawg. Nrog rau cov qauv ntawm cov dej, dej tau yooj yim nkag tau rau hauv ntawv los ntawm cov tshuaj bonding, adsorption thiab qauv nkag mus, yog li ntawv muaj dej muaj zog txaus. Vim hais tias ntawm qhov nthuav loj ntawm lub fib tom qab nws absorbs dej, nws txiav txim siab qhov zoo thiab qhov loj ntawm daim ntawv thiab yog tsis ruaj tsis khov.
1. Cov offset luam ntawv txawv ntawm lwm yam luam tawm. Dej yog siv hauv kev luam ntawv, yog cov ntawv uas tsis zoo siab, los yog straw pulp (nyom pulp muaj ntau ntawm hemicellulose, thiab cov ntsiab lus ntawm hydroxyl nyob rau hauv hemicellulose siab tshaj cov ntawv uas muaj cov ntsiab lus ntawm cov cellulose muaj qhov tsis zoo stability stability thiab yuav zoo li deformed thaum luam ntawv, ua rau tsis muaj tseeb overprinting (ntawm thawj xim rau qhov kawg xim ntawm daim duab feem).
· Txoj kev siv ntau tshaj plaws uas tau ntsib txog hom ntawv hauv luam ntawv yog hloov daim ntawv.
· Tsis tas li ntawd, thaum luam ntawv tsis zoo, peb qee zaum siv daim ntawv los luam tawm cov dej ua ntej kev luam ntawv, ua kom cov ntsiab lus ntawm cov ntawv nyeem (peb nquag hu ua "khiav dej"), kom daim ntawv muaj -deformation. Tus txheej txheem yog xws li tias daim ntawv yog qhov tsawg dua deformed thaum lub sij hawm luam ntawv.
2. Ntawv tau nruj npoo los yog ruffles
Daim ntawv no yog ua kom dej ntsiab lus ntawm ntug dej thiab nruab nrab ntawm daim ntawv zoo ibyam, thiab cov ntsiab lus ntawm cov dej yog me ntsis siab tshaj qhov ntub dej ntawm qhov chaw ntawm qhov kev cob qhia (lub hwj huam tswj cov lus txaus).
3. Ntawv nrog hluav taws xob zoo li qub
Daim ntawv yooj yim rubbed rau lwm tus thaum lub sij hawm thauj mus los lossis tom qab hloov nws lub ntim lawm. Cov txiaj ntsim ntawm cov ntawv them nyiaj feem ntau ua rau cov ntawv noj zaub mov tsis zoo thiab tsis muaj kev tiv thaiv. Txoj kev daws teeb meem yog ua kom lub cev ntom ntom ntawm qhov kev cob qhia (feem ntau yog qhov av qis tshaj ntawm 55% -65% ntawm 20 ° C). Sim ua kom pom tseeb tias qhov kub thiab qhov av nyob rau hauv qhov kev cob qhia yog ib qho tseem ceeb uas yuav tiv thaiv kom tsis txhob muaj hluav taws xob.
Qeb peb, cov laj thawj tsim nyog:
Muaj ntau ntau yam rau kev ua tsis zoo ntawm kev tshaj tawm vim yog vim cov neeg siv dag zog, tab sis feem ntau muaj ob pawg:
Ib hom yog qhov kev txwv ntawm cov khoom pov thawj uas yuav ua tiav los ntawm lub tshuab nws tus kheej. Tuam Tshoj txoj kev txwv rau kev yuam kev ntawm qhov kev tshaj tawm ntawm kev luam tawm ntawv yuav tsum ncav cuag 0.01 hli, thiab cov kev txwv rau domestic printing presses yog 0.02 hli. Thaum qhov yuam kev tshaj li dhau 0.07 hli, qhov kev ua tau zoo ntawm lub tshuab nws tus kheej tsis tshua muaj neeg pluag, thiab nws tsis tuaj yeem luam tawm ib qho khoom muag. Hauv lub ntsej muag ntawm lub tshuab tsis ua raws li qhov yuav tsum tau ua rau tshaj qhov tseeb, tus neeg teb xov tooj feem ntau tsis muaj hwj chim, yog li qhov yuam kev ntawm qhov yuam kev ntawm lub tshuab nws tus kheej yog ib qho yuav tsum ua luam tawm ib qho teeb meem ntawm luam tawm.
Lwm hom yog qhov ua haujlwm tsis zoo hauv cov txheej txheem ntau lawm, tsis muaj kev cuam tshuam, los yog qhov teeb meem ntawm kev siv khoom dhau los ntawm lub tshuab coj. Tom ntej no, peb siv ntau lub sijhawm los tshuaj xyuas cov teebmeem no raws li cov txheej txheem khiav hauv ntawv hauv tshuab. Thiab muab qee yam tshuaj:
Cov teeb meem uas tshwm sim thaum lub sij hawm tus neeg muab khoom noj mov txoj kev noj zaub mov:
Txoj hlua thiab daim phais ntawv yog thawj kauj ruam los xyuas meej meej luam tawm overprinting, tshwj xeeb tshaj yog rau cov xim ib zaug xwb printing.
A Feem ntau, qhov tshwm sim uas peb tsis tau mus txog qhov kev txhais ua ntej me ntsis thaum daim ntawv pib rau qhov chaw ntawm lub koob ntsuas pa hu ua "slow paper down".
Muaj ntau ntau yam ua rau vim li cas daim ntawv qeeb qeeb. Cia ua ib co kev soj ntsuam ntawm qee qhov kev ua txhaum ntau tshaj plaws hauv kev tsim tawm.
1. Cov ntaub ntawv pub lub taub thiab daim ntawv pub cov ntaub ntawv muaj cov ntaub ntawv tsis txaus, kom daim ntawv xa tsis tuaj yeem xa tawm.
Lus pom zoo: Txhawm kom nce qhov ntsuas qhov ntswg (los yog txo cov pa cua)
Tuav lub vuab tsuaj kom huv (tshwj xeeb tshaj yog cov cua sib cais qhov chaw sib cais thiab cov cua hauv qhov ntxig yuav raug thaiv) kom muaj cua zoo khiav.
Kev tu vaj tse ntawm lub tshuab tso zis.
2 .Cov ntaub qhwv pob zeb ntawm cov ntawv nyeem tsis muaj zog me me los yog nyias nyias
3. Nias ntawm daim ntawv ko taw thiab daim ntawv nrawm ntawm daim ntawv txiav tawm (lub siab khau siab dhau ntawm daim ntawv uas twb tau muab cais tawm). Txoj hauj lwm ntawm A nyob rau hauv cov duab yog loj, thiab qhov no yog qhov feem ntau yuav tshwm sim. Qhov no yog vim hais tias daim ntawv ko taw tau tshaj tawm ntawm qhov kev nyuaj siab no. Yog hais tias nws yog saum toj no, nws yog sib npaug rau txoj haujlwm ntawm cov ntawv cais ntawm cov ntawv ntawv, thiab nws tsis tuaj yeem ua kom daim nplaum ntawv poob, uas yuav ua rau lub siab khawm mus rau theem ntawm daim ntawv tais thaum nws poob.
Muab Tswv Yim Kho: Ua ntej siv tus ntaiv los yog lub ncoo kom zoo rau daim ntawv, ces kho qhov siab ntawm qhov pub mis.
• Qhov siab nrug ntawm lub ko taw ntawm lub plhaw thiab cov leeg tsis sib haum yog qhov tsawg dhau.
Lus pom zoo: Txhawm kom nce qhov siab ntawm qhov kev sib nrauj nozzle los yog txo qhov siab ntawm qhov ntxiab siab.
4. Daim ntawv khib nyiab qis dua hauv qab daim ntawv nres tsheb
· Cov ntawv xa los yog muab thaiv, ua rau daim ntawv yuav qeeb
Kev Pom Zoo: Tsis txhob cia daim ntawv khib yuav qis dua tus axis ntawm txoj kab qaum ntawm cov ntawv thaiv sab nraud. Txoj haujlwm yuav tsum yog 5 ~ 10 hli hauv qab ntawm daim ntawv thaiv sab nraud. Thaum qhov no tshwm sim, tus neeg nqa khoom tuaj yeem tsim tsa kom tsim nyog (qhov tseeb, qhov siab ua kom pom tseeb).
5. Cov ntawv ua ntej yuav ntog lig los yog hnyav heev
· Thaum muab cov ntawv yob xa tuaj rau daim ntawv pub no, daim ntawv yuav tsum tsis ua haujlwm. Thaum lub ntsaws tsis nres, daim ntawv yuav cia li poob thiab lub siab yuav tsum muaj thaum lub siab nres. (Qhov tseeb, nws tsim nyog kho dua raws li qhov chaw ntawm lub tshuab, vim hais tias lub sijhawm Feida daim ntawv xa tawm yuav tsum raug kho raws li tus neeg viav vias, thiab yuav tsum tsis txhob rov qab. ; Tsis tas li ntawd, nws yog ib qho tsim nyog yuav tau them sai sai rau txoj kev hloov ntawm ntau qhov chaw ntawm lub yob, vim tias qhov txawv tshuab mechanisms sib txawv thiab tsis txaij ntxiv.
· Yog cov ris tsho hnyav, nws yuav tsum tau muab hloov rau lub sijhawm.
6 .Feida daim ntawv pub lub sij hawm lig dhau lawm (ntsig txog daim ntawv yob)
· Kho cov sij hawm ya thaum lub sij hawm uas lub sij hawm dov yog lawm (BEIREN tus PZ4880-01 thiab Heidelberg's SM muaj ib lub hlaws uas yuav kho txoj hauj lwm txhim kho nyob rau hauv qhov chaw rau khoom noj khoom haus.
7. a Lub suab nrawm yog me me los yog qhov siab ntawm qhov kev rau siab yog qhov muag heev. Tshuaj: Ceev cov ntaub nplaum los yog ua rau kom siab rau ntawm tus menyuam siab.
b Lub tshuab uas siv cov ntawv nqus khoom noj yog qhia tau los ntawm huab cua loj, thiab qhov siab ntawm qhov kev rau siab yuav tsum nce kom ntau.
8.
a. Kev hloov pad yog qhov tsawg dhau, los yog qhov siab ntawm kev ntsuas hauv ntej yog qhov tsawg heev, los yog lub hau kaw rau ntawm tus taw ntawm lub taw tes yog nyob ze rau lub rooj hloov.
· Kho qhov chaw kom yog (qhov kev nrug ntawm lub pendulum yam pad, pendulum yam pem hauv ntej ntsuas thiab hom kab uas nyob sab nraud ntawm sab saud yuav tsum: thin daim ntawv tuab * 3 los yog tuab daim ntawv thickness + 0.2 hli).
b .Txoj kev hloov ntaub ntawv yog siab tshaj qhov kev hloov khoom siv.
• Kho qhov tseeb (txoj hlua yuav tsum muaj theem qis los yog qis dua qhov siab ntawm lub pallet).
a, b Yog vim li cas rau cov ntaub ntawv yuam kev yog tias qhov kev tsis haum ntawm lub tshuab tsis pub qhov tseeb muab tso rau ntawm daim ntawv.
* Tsis tas li ntawd, nws yuav tsum tau sau tseg tias ob lub viav voos thiab hom kab mob yuav tsum kho qhov siab ntawm daim ntawv npuaj raws li qhov siab ntawm daim ntawv pub mis, thiab tom qab ntawd kho qhov siab ntawm lub koob ntsuas pa hauv ntej raws li qhov siab ntawm lub rooj ntawv. .
9. Cov ntawv xov xwm kev noj mov cov ntawv sij hawm thiab lub sij hawm poob rau lub sij hawm yuav tsis haum.
· Thaum twg lub kauj ruam dhau los, daim ntawv rau ntawm daim duab ntawv yuav tsum yog 3 mus rau 5 hli los ntawm kab ntawv teev npe.