CN102152600A - Method for producing high-definition laser gravure plate roller - Google Patents
Method for producing high-definition laser gravure plate roller Download PDFInfo
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- CN102152600A CN102152600A CN 201010580850 CN201010580850A CN102152600A CN 102152600 A CN102152600 A CN 102152600A CN 201010580850 CN201010580850 CN 201010580850 CN 201010580850 A CN201010580850 A CN 201010580850A CN 102152600 A CN102152600 A CN 102152600A
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Abstract
The invention discloses a method for producing a high-definition laser gravure plate roller, which comprises the steps of producing a printing plate body, plating copper on the printing plate body, processing the surface of a printing plate after plating copper, producing a laser image file, coating glue on the printing plate, carrying out laser engraving on the printing plate, developing the printing plate, corroding the printing plate, washing the printing plate and plating chromium on the printing plate. The method is characterized in that in the step of producing the laser image file, an original image file is thinned by 2 to 90 micrometers, then the edge of the image file is wrapped with 100 percent of site side lines by 10 to 40 micrometers, and the image file in the side lines is subjected to net suspension. The problem that the printing effect of a glyphographic plate and a common laser plate is affected due to sawteeth at the edge of the image file is solved.
Description
Technical field
The present invention relates to field of printing machinery, special intaglio printing technical field, the preparation method of the gravure roll in the laser intaglio press of a kind of fine definition that concrete is.
Background technology
At present, intaglio printing is wherein a kind of mode of typography, with its print product have black bed thickness real, bright in colour bright, can true reappearance original copy effect, advantage such as the comprehensive process ability is strong, add that it can adopt water color ink and alcohol-soluble printing ink, meet the requirement of environmental protection printing, and can extensively adapt to multiple stocks such as film, composite, paper, thereby occupy critical role at print field.
From applicable cases, gravure is mainly used in meticulous publication and packages printing and marketable securities printings such as banknote, stamp such as magazine, catalogue, and is applied to special dimensions such as ornament materials.Be mainly used in packaging field and specialty printing field at home.
The manufacture craft of intaglio plate from its evolution, can be divided into four kinds substantially: A) manual etching plate comprises carbon tissue etching plate and photograph dot etching plate-making; B) electronic engraving; C) laser film-engraving etching plate; D) laser direct engraving plate-making, wherein directly laser Graphic is the developing direction of laser plate-making.
But the electronic engraving forme has obvious site sawtooth at picture and text edge aspect literal lines and the meticulous picture and text.
Chinese patent application 200910076673 discloses a kind of method and device of removing saw teeth in raster image, and is strong in order to saw teeth in raster image processing procedure dependence in the solution prior art, the problem that range of application is narrower.This method is determined the boundary direction and the boundary intensity of pixel in the linked network image, determines first candidate boundary point, and the object boundary direction of each first candidate boundary point is determined in travel direction filtering; According to the object boundary direction of each first candidate boundary point and the detection template of setting, determine second candidate boundary point in first candidate boundary point; According to the object boundary direction of each second candidate boundary point, determine the boundary point in second candidate boundary point; When being boundary point, and when detecting the literal boundary point of determining, carry out the interpolation adjustment, remove sawtooth in the linked network image according to the result of interpolation adjustment according to the picture and text that the linked network image is carried out.As the scheme that the present invention proposes, determined the border of linked network image accurately, thereby effectively removed the sawtooth in the linked network image.
Summary of the invention
The objective of the invention is in order to overcome in the prior art, the electronic engraving forme has the defective of obvious site sawtooth at picture and text edge aspect literal lines and the meticulous picture and text, and a kind of preparation method of fine definition laser gravure printing roller is provided.
The present invention reaches the technical scheme that its goal of the invention adopts to be: a kind of preparation method of fine definition laser gravure printing roller comprises that the laser engraving of gluing, the forme of forme surface treatment after the making of forme matrix, forme matrix copper facing making, the copper facing, laser image documenting, forme is made, the cleaning of the burn into forme of the development of forme, forme, the chromium plating step of forme; Wherein: in laser image documenting step, former picture and text are subtracted thin 20-9 micron after, again in picture and text edge bag 10-40 micron 100% sideline on the spot, the picture and text linked network in the sideline.
Good effect of the present invention: improved electric engraving and there is sawtooth at common laser version Yin Tuwen edge and the problem of impact effect.In actual process, former picture and text subtract count accurately according to, just right on the coupling of sideline data, corrosion depth, leader width and site angle on the spot, good printing effect just can be arranged.The laser gravure printing roller that this kind method is produced can substitute literal, the line image that part silk-screen, offset printing go out, and multiple pattern can be produced on the same forme, one-step print, once-forming, avoided the chromatography of offset printing, silk-screen and gravure, be fit to produce in batches, improved productivity ratio and qualification rate greatly.
Below with reference to embodiment, the present invention is carried out comparatively detailed explanation.
The specific embodiment
Embodiment 1, and present embodiment is a kind of cylinder of laser intaglio printing of intaglio press, the just preparation method of laser gravure roll.May further comprise the steps: the development of the gluing of forme surface treatment after the making of forme matrix, forme matrix copper facing making, the copper facing, laser image documenting, forme, the making of the laser engraving of forme, forme, the cleaning of the burn into forme of forme, the chromium plating of forme.The forme surface treatment can be called the hardware processing of forme again after wherein forme matrix making, forme matrix copper facing making, the copper facing, and the laser image documenting can be called software development, and hardware processing and software development are to carry out synchronously.Idiographic flow is:
1, the forme matrix is made:
Domestic forme matrix adopts seamless steel pipe to process mostly now.Version roller processing dimension figure according to the printing house provides cuts, turning, car mouth, joins weldering flange, thick finish turning, repaiies operations such as Hole chamfering, lining weighing apparatus, grinding, check, thereby finished the making of forme matrix.
2, forme surface treatment after forme matrix copper facing making and the copper facing:
On the forme matrix of finishing, plate the copper layer of 200-300 micron, and copper face is carried out car, milled processed, thereby reach technological requirement fineness.
3, laser image documenting:
Adopting Freehand, Illustrator, image processing softwares such as Artpro, Photoshop to require to carry out file process according to the printing house makes.In this step, former picture and text are subtracted thin 20-9 micron after, again in picture and text edge bag 10-40 micron 100% sideline on the spot, the picture and text linked network in the sideline.
4, the gluing of forme:
The forme that the copper facing rear surface is handled well cleans up, and is coated with one deck photoresists.
5, the laser engraving of forme is made:
The technological parameter of setting by technological requirement input, and the laser file graph text information that will make is converted into the signal of telecommunication, the first signal of telecommunication of driving laser is engraved on the photoresists.
6, the development of forme:
The forme of laser engraving is after developing, and the glue of picture and text part is reacted away, and non-graphic partly is retained, and graph text information is cured on the forme.
7, the corrosion of forme:
Version roller after the development is placed in the specific corrosive liquid, requires to carry out corrosion reaction according to etching process, thereby meets the requirements of corrosion depth.
8, the cleaning of forme:
There are glue and a small amount of corrosive liquid in the corrosion back on the forme surface, must in time clean up the space of a whole page generation of situations such as anti-oxidation.
9, the chromium plating of forme:
Do not scraped for protection copper layer and to injure the service life that prolongs forme, plating one deck single face is thick to be chromium about 10 microns, and its hardness is about 800-1000HV.
Product basic mechanical design feature index: version roller appearance requirement: defectives such as nothing is damaged, groove line; Surface roughness Ra: be not more than 0.4 μ m; Net hole wide precision: ± 0.003mm; Dimensional requirement: the long error of roller ± 0.2%; Diameter error: ± 0.02mm error, coaxiality error ± 0.02mm, ovality deviation ± 0.02mm; Net hole depth error: ± 0.003mm.Literal requires: correctly do not have wrongly written character; 0.4mm literal is clear with 25 times of magnifying glass writings; The indication item requires the bag color lump, widens printing error ± 0.3mm; Pattern is set type and is required: comprehensive scale error ± 0.1%; Color error is below 30%; The site is not more than 5%; Cover and require white version 0.3-0.5mm, other edition 0.1-0.2mm; The gravure printing roller chromatography precision is not more than 0.15mm.
Claims (1)
1. the preparation method of a fine definition laser gravure printing roller may further comprise the steps: the development of the gluing of forme surface treatment after the making of forme matrix, forme matrix copper facing making, the copper facing, laser image documenting, forme, the making of the laser engraving of forme, forme, the cleaning of the burn into forme of forme, the chromium plating of forme; The forme surface treatment can be called the hardware processing of forme again after wherein forme matrix making, forme matrix copper facing making, the copper facing, and the laser image documenting can be called software development, and hardware processing and software development are to carry out synchronously; It is characterized in that:
Described forme matrix is made: adopt seamless steel pipe to process, the version roller processing dimension figure that provides according to the printing house is provided, cut, turning, car mouth, join weldering flange, thick finish turning, repair Hole chamfering, lining weighing apparatus, grinding, inspection process;
Forme surface treatment after described forme matrix copper facing making and the copper facing: on the forme matrix of finishing, plate the copper layer of 200-300 micron, and copper face is carried out car, milled processed, thereby reach technological requirement fineness;
Described laser image documenting: adopt image processing software to require to carry out file process and make according to the printing house; In this step, former picture and text are subtracted thin 20-9 micron after, again in the sideline on the spot of picture and text edge bag 10-40 micron 100%, the picture and text linked network in the sideline;
The gluing of described forme: be that the forme that the copper facing rear surface is handled well is cleaned up, be coated with one deck photoresists;
The laser engraving of described forme is made: the technological parameter of setting by the technological requirement input, and the laser file graph text information that will make is converted into the signal of telecommunication, the first signal of telecommunication of driving laser is engraved on the photoresists;
The development of described forme: the forme of laser engraving is after developing, and the glue of picture and text part is reacted away, and non-graphic partly is retained, and graph text information is cured on the forme;
The corrosion of described forme: the version roller after the development is placed in the specific corrosive liquid, requires to carry out corrosion reaction according to etching process, thereby meets the requirements of corrosion depth;
The cleaning of described forme: having glue and a small amount of corrosive liquid to clean up on the forme surface, corrosion back;
The chromium plating of described forme: plating one deck single face is thick to be chromium about 10 microns, and its hardness is about 800-1000HV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105808505A CN102152600B (en) | 2010-12-09 | 2010-12-09 | Method for producing high-definition laser gravure plate roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105808505A CN102152600B (en) | 2010-12-09 | 2010-12-09 | Method for producing high-definition laser gravure plate roller |
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| CN102152600A true CN102152600A (en) | 2011-08-17 |
| CN102152600B CN102152600B (en) | 2012-04-25 |
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| CN2010105808505A Active CN102152600B (en) | 2010-12-09 | 2010-12-09 | Method for producing high-definition laser gravure plate roller |
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| CN102328516A (en) * | 2011-08-24 | 2012-01-25 | 上海希尔彩印制版有限公司 | Method for manufacturing roller by carrying out laser erosion on gravure color bump edge during printing and dyeing |
| CN102350855A (en) * | 2011-08-30 | 2012-02-15 | 上海普非特压纹制版有限公司 | Method for fabricating wallpaper foaming plate with gradually changed picture layers |
| CN102407709A (en) * | 2011-08-24 | 2012-04-11 | 上海希尔彩印制版有限公司 | Method for manufacturing gold spraying plate of dyeing and printing roller |
| CN102416789A (en) * | 2011-08-24 | 2012-04-18 | 上海希尔彩印制版有限公司 | Method for manufacturing gravure with laser anti-counterfeit lines |
| CN102423956A (en) * | 2011-08-30 | 2012-04-25 | 上海普非特压纹制版有限公司 | Manufacturing method for gravure embossing pattern with sharp edges |
| CN102501163A (en) * | 2011-11-25 | 2012-06-20 | 郑州运城制版有限公司 | Grinding method of plate rollers for gravure plate making |
| CN102514355A (en) * | 2011-11-25 | 2012-06-27 | 郑州运城制版有限公司 | Method of manufacturing anti-counterfeiting plate by virtue of electric plating and electric carving |
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| CN102935755A (en) * | 2012-11-22 | 2013-02-20 | 武汉东运制版有限公司 | Method for engraving gravure grinding roller by laser |
| CN103171242A (en) * | 2011-12-20 | 2013-06-26 | 上海运申制版模具有限公司 | Laser version pattern edge processing method |
| CN103287058A (en) * | 2012-02-24 | 2013-09-11 | 上海运青制版有限公司 | Glyphographic binding technology |
| CN103395277A (en) * | 2013-07-31 | 2013-11-20 | 汕头市精工东捷制版有限公司 | Manufacturing method of high-definition laser direct carving gravure plate |
| CN103419465A (en) * | 2012-05-18 | 2013-12-04 | 上海运安制版有限公司 | Laser etching technology of roller for wallpaper printing |
| CN103481638A (en) * | 2013-09-27 | 2014-01-01 | 东莞运城制版有限公司 | Printing roller for laser paper printing and manufacture process thereof |
| CN103568470A (en) * | 2013-10-21 | 2014-02-12 | 安徽华印机电股份有限公司 | Preparation technology of gravure plate roller |
| CN104401108A (en) * | 2014-11-17 | 2015-03-11 | 南昌印钞有限公司 | Cash coupon gravure automatic chromium plating pretreatment device |
| CN104494282A (en) * | 2014-12-30 | 2015-04-08 | 广东省南方彩色制版有限公司 | Method for repairing gravure printing layout by laser |
| CN104726910A (en) * | 2015-02-03 | 2015-06-24 | 龙游运城压纹制版有限公司 | Electroplating process for protection of embossing roller chromium layer |
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| CN104827792A (en) * | 2015-06-04 | 2015-08-12 | 上海希尔彩印制版有限公司 | Manufacturing method for antenna pattern in electronic tag |
| CN104908470A (en) * | 2015-06-04 | 2015-09-16 | 上海希尔彩印制版有限公司 | Production method of gravure gold-adhered wallpaper |
| CN105269924A (en) * | 2014-07-09 | 2016-01-27 | 上海运申制版模具有限公司 | Manufacturing process for printing lithographic plate |
| CN106364247A (en) * | 2016-08-31 | 2017-02-01 | 上海众邦制版科技有限公司 | Manufacturing method of non-woven foaming imitation PVC deep embossing hand carving |
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| CN102328516A (en) * | 2011-08-24 | 2012-01-25 | 上海希尔彩印制版有限公司 | Method for manufacturing roller by carrying out laser erosion on gravure color bump edge during printing and dyeing |
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| CN104494282B (en) * | 2014-12-30 | 2015-12-09 | 广东省南方彩色制版有限公司 | The method of the impaired gravure space of a whole page of a kind of laser repairing |
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| CN106891606A (en) * | 2017-03-07 | 2017-06-27 | 龙游运申制版有限公司 | A kind of roller is with without net processing technology |
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