CN103692794B - A kind of metal-like printing process - Google Patents

A kind of metal-like printing process Download PDF

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Publication number
CN103692794B
CN103692794B CN201310682653.8A CN201310682653A CN103692794B CN 103692794 B CN103692794 B CN 103692794B CN 201310682653 A CN201310682653 A CN 201310682653A CN 103692794 B CN103692794 B CN 103692794B
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printing
color
target
metal
file
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CN103692794A (en
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唐小兴
廖晓华
葛侬
宋强
王小斌
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Beijing culture science and technology finance leasing Limited by Share Ltd
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SHANGHAI ARTRON ART PRINTING Co Ltd
SHENZHEN ARTRON COLOR PRINTING CO Ltd
BEIJING ARTRON ART PRINTING Co Ltd
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Abstract

The present invention relates to a kind of new metal-like printing process.The steps include: first to design and produce special 5 look aim colour targets, i.e. CMYK+ metal spot color aim colour target;Special 5 look aim colour targets made by walking in printing, obtain standard print sample;Aim colour target colouring information in collection standard print sample;Make the target ICC file of 5 looks being applied to operplate printing;The image taking operplate printing method to print is carried out color separation and color treatments, obtains the digital image file with 5 passage colouring informations;Print, obtain operplate printing finished product.The present invention has higher print speed printing speed, and production efficiency is high, low cost, and material selection range is extensive, presents the operplate printing effect of fineness.Accurate metal color adjustment can be carried out according to different needs.More traditional mode of printing using metal foil paper has big advantage.

Description

A kind of metal-like printing process
Technical field
The invention belongs to printing industry field, be specifically related to a kind of new metal-like printing process.
Background technology
Conventional metals mode of printing many employings screen printing mode goes to realize, and either still imitates at printing precision Rate aspect all cannot meet the needs of era development.Conventional metals mode of printing does not exclusively carry out color separation and figure As the ICC file adjusted, it is impossible to carry out color preview accurately and color separation before print.In terms of colour generation mode, The metal effect that traditional hectograph operplate printing mode is presented depends primarily on the reality of allocated metal spot color Border color.In terms of printable fabric, conventional four-color hectograph operplate printing mode, its printable fabric is metallochrome Foil paper, closes and uses UV mode of printing at metal foil paper at printing four color inks, it is achieved different metal effects, This kind of operplate printing mode is extremely restricted on printable fabric.
The problem existed for conventional metals mode of printing, Color-Logic company is proposed one and uses new system The metallochrome print color table of comparisons of system, has in the table of comparisons and presents 250 kinds of different metallochrome effects, for setting Meter teacher's reference and selection.Color-Logic metallochrome processing system is graphical design teacher and the print for their service Brush enterprise provides a kind of new revolutionary theory, they need not re-use complexity, costliness and cannot be pre- Know the special-purpose metal ink of printing effect.But the operplate printing color comparator that Color-Logic company is released Table, only 250 color lumps, its existence limitation following aspects:
(1) designer can not go to carry out the design of different metal effect according to its design concept, and can only Select from 250 metal effect color lumps that it is provided;
(2) without special ICC file, it is impossible to realize color preview accurately before print and carry out color Adjust;
(3) the operplate printing CLUT that Color-Logic company is released, needs digital printed with HP System carries out supporting to realize its associated metal effect design, it is achieved mode is limited to very much.
Summary of the invention
For the shortcoming existing for current conventional metals mode of printing, the present invention proposes a kind of new metal-like Printing process, presents the metal effect of fineness by the way of using hectographic printing.
The present invention realizes the basic scheme of fine metal print product:
1), special 5 look aim colour targets (CMYK+ metal spot color) are first designed and produced;
2), special 5 look aim colour targets made by step in printing, obtain standard print sample;
3), the aim colour target colouring information in standard print sample is gathered;
4) the colouring information file, based on previous step gathered, making is applied to 5 looks of operplate printing Target ICC file;
5) the target ICC file, based on previous step produced, prints taking operplate printing method Image carry out color separation and color treatments, obtain the digital image file with 5 passage colouring informations;
6), use the digital picture obtained by previous step to print, obtain operplate printing finished product.
The present invention relative to the advantage of conventional metals mode of printing is:
(1), conventional metals mode of printing many employings screen printing mode goes to realize, either at printing precision Or efficiency aspect all cannot meet the needs of era development;
The present invention presents the metal effect of fineness by the way of using hectographic printing;Without using serigraphy Mode, has higher print speed printing speed, and production efficiency is high, additionally, reduce smart to reach higher site Degree, presents the operplate printing effect of fineness, and the present invention uses hectographic printing mode, and uses CTP directly to make The mode of version is made a plate, and screening precision is at more than AM300L, it is ensured that site reduction precision to reach 1%, nothing Opinion is at printing precision or all to meet requirement in terms of efficiency.
(2), conventional metals mode of printing does not exclusively carry out the ICC file of color separation and Image Adjusting, it is impossible to Color preview accurately and color separation is carried out before print;
The present invention passes through design object look target printing standard specimen page, gathers the aim colour target in standard printing sample Colouring information also generates special 5 non-ferrous metal printings (CMYK tetra-look adds metal spot color) ICC file with this, By 5 special non-ferrous metal printing ICC files, it is achieved carry out color preview accurately and color separation before print, And the purpose of accurate metal color adjustment is carried out according to different needs, allow the designer before printing can be accurate Really hold the metal-like effect oneself wanted.
(3), colour generation mode aspect: the metal effect that traditional hectograph operplate printing mode is presented mainly takes Certainly in the actual color of the metal spot color allocated, material cost is high, complex process, and different living-article type Living-article carry out;
The present invention prints by the way of using CMYK tetra-look and the mutual double exposure of specialty metal form and aspect, not only may be used To print out abundant metallochrome, and ink combination uses "+one metallochrome ink of common four color ink " Mode, on cost, relatively conventional four-color printing promotes few, compares with other operplate printing modes, and its cost has bright Aobvious much lower, there is huge cost advantage;Additionally, CMYK tetra-color ink in the present invention is for being common four Look, in actual production process, can quickly realize the mutual switching between common four-color process and operplate printing, The print production making enterprise can keep higher production efficiency.
(4), printable fabric aspect: conventional four-color hectograph operplate printing mode, its printable fabric is metallochrome Foil paper, and use UV mode of printing at metal foil paper at printing four color inks, it is achieved different metal effects, This kind of operplate printing mode is extremely restricted on printable fabric, and material cost is high.Gold on market Belong to the most common be coated with paper more than 2 times of procurement price of foil paper (such as gold card paper, silver foil etc.);
And advantage of the invention is that its printable fabric is any can to carry out, at offset press, the material that prints, Not only material selection range is extensive, and its printable fabric cost relatively metallochrome foil paper is lower.The present invention solves Common coating paper realizes the technical barrier of fine metal printing, not only achieves the reduction of material cost, Present more horn of plenty at metal effect, the printing side using metal foil paper the most traditional on colouring effect simultaneously Formula has big advantage.
Detailed description of the invention
The making step of the present invention is:
1), standard color target design
The present invention to realize preferable operplate printing effect, and the present invention first has to design suitable aim colour target, passes The aim colour target of system only has 4 look look targets, and the colouring information of conventional four-color aim colour target only comprises C M Y K R G B this eight big class colouring information of CMY.And the present invention is 5 look printings, need specialized designs 5 Look look target, newly-designed look target must comprise the color lump of metallochrome and other color phase double exposures, it is therefore an objective to obtains gold Genus look and the matching relationship information of other 4 color inks, the feature of accurate assurance various metal-like color, design Look target comprise C M Y K R G B CMY metallochrome+C metallochrome+M metallochrome+Y metallochrome+CMY metallochrome + K, altogether 13 big types of colors, and comprise 1500 color lumps, it is evenly distributed in two big small breadths of A4.
2), standard color target printing
Before standard color target printing performs printing, printing machine is comprehensively maintained and checks, it is ensured that plate-making sets States standby, developing apparatus, printing equipment etc. meet refined prosperous relevant written standards, such as table one:
Table one
3), the aim colour target colouring information in standard print sample is gathered
The collection of printing standard specimen page colouring information, based on documenting software 5.0.10 version Survey tool (measuretool) module in (ProfileMaker Pro5.0.10), the color filter mould Formula is for there being filter+without filter (NO+UVCUT).
4), operplate printing target ICC file is generated
Gather the colouring information being obtained the look target printed in sample by upper step, generate target international color committee Member's meeting (ICC) file, the printing of this ICC file always ink amount is 450: wherein the printing of CYMK tetra-look the most black Amount is 350, and the printing of metal spot color always ink amount is that the printing always ink amount of 100,5 looks amounts to 450.
5) the target ICC file, based on previous step produced, prints taking operplate printing method Image carry out color separation and color treatments, obtain the digital image file with 5 passage colouring informations;
Based on the documenting in documenting software 5.0.10 version (ProfileMaker Pro5.0.10) (profilemaker) module, relative parameters setting is as follows:
File specification (Profile Size): big (Large);
Perception presents (Perceptual Rendering): neutral ash pattern (Neutral Gray)
Colour gamut describes (Gammut Mapping): flag color (Logo Colorful);
Color separation-predefined (Separation-Predifined): hectographic printing (offset);
Color separation-color separation (Separation-Separation): the 2nd kind of GCR (GCR2) or Four kinds of GCRs (GCR4);
Color separation-black print original position (Separation-Black Start): between 5-10;
Color separation-definition pole stain (Separation-Define Black Point): between K=95-100;
6), use the digital picture obtained by previous step to print, obtain operplate printing finished product.
The relational language of the present invention is explained
The ICC:International Color Consortium international color committee, 1993 by including Adobe, Apple, Kodak, Microsoft initiate in interior tens of companies and set up, and full name is international Color consortium (International Color Consortium), is called for short ICC.The main mesh of this tissue Mark, it is simply that unified color standard, i.e. ICC standard will be formed between each equipment, software.Final Target allow exactly input equipment (such as digital camera), display device (such as display), output equipment (as Printer) can must ensure that color is by accurate recreation from start to finish.
Metal foil paper: a kind of extrusion coating paper being made up of metal foil film and body paper (foil mounting paper) bi-material. Outward appearance is magnificent.The sparking flash of light in front, reverse side is with paper gasket torr.
Printing total ink amount: in press, due to ink impure (mainly cyan ink), hardly result in ideal Indigo plant, purple, green.Further, ink amount is in press limited by, and such as, you want process black The page end, you may think:CMYK uses 100% concentration printing, the most very well.But, answer is: wrong! The color version of four 100% stamps, and paper is not subject to, and ink can not normally be dried, and paper can be made to glue Together, or ink spills cylinder, and result not only can not get the most black, the most a piece of paste.Due to printing The assembly ink amount of material limits, it is necessary to total ink amount of picture and text is limited to the maximum of paper by ICC file Within holding ink amount, here it is described printing total ink amount in Yin Shua.
Ash composition substitutes (GCR): i.e. substitute the neutral ash being made up of CMY with black ink.In CMY color In, two kinds of colors play leading effect often, it is resolved that the character of tone, and the third look is referred to as grey Composition, it only plays increases the effect of black.Such as, redness is mainly made up of product look and yellow, if you Adding a certain amount of cyan, redness will be dimmed, when cyan is too many, red the dirtiest.At this, redness is mass-tone, Cyan is gray component.Certainly, gray component also refers to that approximately equal amounts of CMY tri-colour cell in a color is closed, The neutral ash of these three color composition.Use black, the achromaticity in certain color or ash can be replaced safely Colour content.Carry out GCR color separation, unnecessary color (neutral ash component) will be replaced with suitable black.This Method can effectively reduce total ink, and advantageously reduces colour cast, especially for skin-color, fresh water Fruit vegetable, metal and sky are main image.

Claims (5)

1. a metal-like printing process, the steps include:
1), first design suitable aim colour target, the look target of design comprise C M Y K R G B CMY metal Look+C metallochrome+M metallochrome+Y metallochrome+CMY metallochrome+K, altogether 13 big types of colors, and comprise 1500 color lumps, each color lump is evenly distributed in two big small breadths of A4;
2), special 5 look aim colour targets made by step in printing, obtain standard print sample;
3), based on the survey tool module in documenting software Pro fileMaker Pro 5.0.10 version, Aim colour target colouring information in collection standard print sample;4), the color letter gathered based on previous step Breath file, makes the target ICC file of 5 looks being applied to operplate printing, and the printing of this ICC file is the most black Amount is 450: wherein the printing of CYMK tetra-look always ink amount is 350, and the printing of metal spot color always ink amount is 100, The printing of 5 looks always ink amount amounts to 450;
5) the target ICC file, based on previous step produced, prints taking operplate printing method Image carry out color separation and color treatments, obtain the digital image file with 5 passage colouring informations;
6), use the digital picture obtained by previous step to print, obtain operplate printing finished product.
Metal-like printing process the most according to claim 1, the steps include:
1), standard color target design
First design suitable aim colour target, the look target of design comprise C M Y K R G B CMY metallochrome+C Metallochrome+M metallochrome+Y metallochrome+CMY metallochrome+K, altogether 13 big types of colors, and comprise 1500 Color lump, is evenly distributed in two big small breadths of A4;
2), standard color target printing
Before standard color target printing performs printing, printing machine is comprehensively maintained and checks, it is ensured that plate-making sets Standby, the state symbol standardization of developing apparatus, printing equipment;
3), the aim colour target colouring information in standard print sample is gathered
The collection of standard print sample colouring information, based on documenting software Pro fileMaker Pro 5.0.10 the survey tool module in version, the color filter pattern is for there being filter+without filter;
4), operplate printing target ICC file is generated
Gather the colouring information by the aim colour target in upper step obtained standard print sample, generate target ICC file, the printing of this ICC file always ink amount is 450: wherein the printing of CYMK tetra-look always ink amount is 350, The printing of metal spot color always ink amount is that the printing always ink amount of 100,5 looks amounts to 450;
5) the target ICC file, based on previous step produced, prints taking operplate printing method Image carry out color separation and color treatments, obtain the digital image file with 5 passage colouring informations;
6), use the digital picture obtained by previous step to print, obtain operplate printing finished product.
Metal-like printing process the most according to claim 2, in step 2:
Platemaking equipment to be guaranteed, developing apparatus, the state of printing equipment meet standard shown in table one:
Table one
Metal-like printing process the most according to claim 2, in steps of 5:
Based on the document production module in documenting software Pro fileMaker 5.0.10 version, relevant parameter It is provided that
File specification: big;
Perception presents: neutral ash pattern;
Colour gamut is described: flag color;
Color separation-predefined: hectographic printing;
Color separation-color separation: the 2nd kind of GCR GCR2;
Color separation-black print original position: between 5-10;
Color separation-definition pole stain: between K=95-100.
Metal-like printing process the most according to claim 2, in steps of 5:
Based on the document production module in documenting software Pro fi leMaker 5.0.10 version, relevant ginseng Number is provided that
File specification: big;
Perception presents: neutral ash pattern;
Colour gamut is described: flag color;
Color separation-predefined: hectographic printing;
Color separation-color separation: the 4th kind of GCR GCR4;
Color separation-black print original position: between 5-10;
Color separation-definition pole stain: between K=95-100.
CN201310682653.8A 2013-12-12 2013-12-12 A kind of metal-like printing process Active CN103692794B (en)

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CN109383152B (en) * 2017-08-02 2021-03-02 广州番禺美特包装有限公司 Data manuscript processing method and digital proofing method using same
TWI668131B (en) * 2018-07-17 2019-08-11 沈岳正 Positive and negative dot mixed printing method
CN111300985A (en) * 2018-12-11 2020-06-19 Oppo广东移动通信有限公司 Cover plate, display screen assembly, mobile terminal and manufacturing method of cover plate
CN109710203A (en) * 2018-12-12 2019-05-03 杭州全为包装印刷有限公司 A kind of metal-like color printing process for digital printing
CN114987074A (en) * 2021-07-28 2022-09-02 上海雅昌艺术印刷有限公司 Novel printing method for controlling color of film-coated product

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