CN102529308A - Manufacturing method of gravure roller capable of printing three-dimensional effect - Google Patents
Manufacturing method of gravure roller capable of printing three-dimensional effect Download PDFInfo
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- CN102529308A CN102529308A CN2011104484611A CN201110448461A CN102529308A CN 102529308 A CN102529308 A CN 102529308A CN 2011104484611 A CN2011104484611 A CN 2011104484611A CN 201110448461 A CN201110448461 A CN 201110448461A CN 102529308 A CN102529308 A CN 102529308A
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- printing roller
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- gravure
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Abstract
The invention discloses a manufacturing method of a gravure roller capable of printing a three-dimensional effect, and the method comprises the following steps that: a computer image processing technology is applied to analyze the data of an image file which is scanned from an original pattern; the image data which can highlight the three-dimensional effect can be determined according to the content of an image; an image color separation technology is adopted to extract the image data which can highlight the three-dimensional effect, and the data is made into the image file; the image is carved on the gravure roller through an electronic carving machine; and finally mesh holes which are carved on the gravure roller and lined into the pattern are etched to required depths, and the gravure roller capable of printing the three-dimensional effect is manufactured by chrome plating. After the gravure roller which is manufactured through the method prints transparent ink onto the surface of a plane pattern which is printed from an original, the pattern can show a significant three-dimensional visual effect and intense concave and convex texture for touching.
Description
Technical field
The present invention relates to intaglio printing plate roller technical field, particularly a kind of preparation method that can print out the gravure printing roller of stereoeffect.
Background technology
Intaglio printing is a kind of of typography, have that black bed thickness is real, bright in luster, saturation degree is high, printing quality is high and stable, print speed printing speed fast, can truly reduce advantage such as original copy effect.Abroad, gravure is used for meticulous publications such as magazine, also is applied to fields such as banknote, packages printing, ornament materials.At home, gravure is mainly used in flexible package, sheet package, graining, leather substance etc.Along with the research and development of water base gravure China ink be widely used, intaglio printing has become a kind of important printing technology of compliance with environmental protection requirements, is applied to increasing print field.
Mainly with the gravure techniques printing, market has existed certain product that is printed with the stereoeffect pattern to the pattern of furniture surface decoration material, and is not obvious but ubiquity stereoeffect at present, and hand is touched shortcomings such as concavo-convex sense of touch difference.The gravure product be through shades of colour repeatedly double exposure form (like three double exposures of three looks), the version of each color of gravure is being arranged the ink cell array that forms pattern above the roller, the cross sectional shape of ink cell is the v font; The degree of depth is generally 55 μ m ~ 65 μ m, and ink reservoir volume is less, and the China ink layer of printing is thinner; The product color that comes out through double exposure is bright-coloured, truly reduce original copy; And black bed thickness is real, but is plane pattern, does not have third dimension; If when making the version roller, the making degree of depth of the ink cell above the version roller of each look added be deep to 100 μ m even darker, though can print out stereoeffect to a certain degree; But,, can not interpenetrate mixing fully during the shades of colour stack because the China ink layer of each look all thicker; Thereby the gorgeous color that can not superpose out causes color gloss to descend; Form and aspect are inaccurate, can not truly reduce the original copy pattern, and wearability and concavo-convex feel are poor.
Summary of the invention
The object of the present invention is to provide a kind of preparation method that can print out the gravure printing roller of stereoeffect; Under the situation that does not change former picture proof content; When adopting this gravure printing roller to make planographic, can after printing, produce tangible stereoscopic visual effect and the strong concavo-convex texture of touch.
Technical solution proposed by the invention is such:
The manufacturing technology steps of said gravure printing roller is:
(1) make the gravure printing roller matrix: select for use seamless steel pipe to process as matrix material, to this matrix copper facing, thickness of coated copper layer is 200 μ m-300 μ m, the smooth surface zero defect;
(2) to the former picture proof scanning of gravure: practical digital photographing scanner is to the former picture proof scanning of gravure, and scanning resolution is 400-800DPI;
(3) to the scan document image data analysis: the image file that former picture proof scanning obtains to gravure carries out data analysis, confirms to give prominence to the view data of stereoeffect;
(4) make stereoeffect image file: the view data that can give prominence to stereoeffect is carried out color separation processing and made the image file that can produce stereoeffect after print;
(5) according to stereoeffect image file copper-plated gravure printing roller is carried out electronic engraving: the graver angle is 110 °-130 °, and the engraved lines number is 60-80L ∕ cm, and carving depth is 55 μ m-65 μ m;
(6) to the non-ink cell zone gluing behind the gravure printing roller engraving: non-ink cell zone, gravure printing roller surface is coated with the last layer polyurethane resin;
(7) to the etching of gravure printing roller ink cell: the ferric trichloride of 14 ° of Baume degrees and the hydrochloric acid mixed solution of 10% concentration are selected in etching for use, and it is the U font that the cross sectional shape of ink cell on the gravure printing roller is deepened expansion by the v font, and the ink cell etch depth reaches 200 μ m the most deeply;
(8) gravure printing roller is removed glue: adopt ethanol the polyurethane resin on gravure printing roller surface to be removed as solvent;
(9) gravure printing roller is carried out chromium plating: at the chromium layer of gravure printing roller surface plating one deck 10-15 μ m, hardness reaches 900HV-1100HV.
Compared with prior art, the present invention has following remarkable result:
The present invention uses computer image processing technology; Image file to after the scanning of original copy pattern carries out data analysis; Confirm to give prominence to the view data of stereoeffect according to the content of image; Use the image color segmentation technology to extract the view data that can give prominence to stereoeffect again, and this data creating become image file, through electronic engraving machine with image carving on gravure printing roller; With carving the degree of depth that the ink cell that is arranged in pattern is etched to requirement on the gravure printing roller, be made into the gravure printing roller that can print out stereoeffect through chromium plating more at last.
The original copy pattern that general printing process is accomplished is a plane pattern; Only need be above the plane pattern at this; Re-use the gravure printing roller printing last layer transparent ink that the present invention makes; After transparent ink solidifies, can make patterned surfaces appear tangible stereoscopic visual effect and with the strong concavo-convex texture of touch, and do not change the content and the form and aspect of pattern.If not through among the present invention to the image data extraction and the making of outstanding stereoeffect, just even coating layer of transparent printing ink or by other method coating layer of transparent printing ink then stereoeffect can not occur.
The specific embodiment
Through following embodiment the present invention is done further to set forth in detail.
A kind of preparation method that can print out the gravure printing roller of stereoeffect comprises following processing step: stereoeffect image file electronic engraving after the making of gravure printing roller matrix, the copper facing of gravure printing roller matrix, the former picture proof scanning of gravure, scan document image data analysis, the documenting of stereoeffect image, the gravure printing roller copper facing, the non-ink cell zone gluing in gravure printing roller engraving back, the etching of gravure printing roller ink cell, gravure printing roller remove glue, gravure printing roller chromium plating.
Concrete manufacture craft flow process is:
Step 1, gravure printing roller matrix are made: select for use seamless steel pipe as the gravure printing roller matrix material; Accomplish the making of matrix through operations such as cutting, car chamfering, welding, surface grindings; And copper facing on this gravure printing roller matrix, institute's thickness of coated copper layer is 200 μ m-300 μ m;
Step 2, to the scanning of the former picture proof of gravure: use the digital photographing scanner that the former picture proof of gravure is scanned, the resolution ratio of scan image is: 400-800DPI, this example is selected 500DPI for use;
Step 3, to the scan document image data analysis: the former picture proof of gravure is scanned the data structure analysis that resulting image file carries out image, confirms to give prominence to the view data of stereoeffect;
Step 4, the documenting of stereoeffect image: to the view data of extracting.The color separation processing of carrying out is also produced, and after printing, can produce the image file of stereoeffect;
Step 5, copper-plated gravure printing roller is carried out electronic engraving according to stereoeffect image file: go out in the step 4 ink cell with the resulting stereoeffect image of special color separation processing file with electronic carving machine on the roller of copper facing version: the graver angle is 110 °-130 °; It is 60-80 L/cm that this example is selected 120 ° of engraved lines numbers for use; It is 80L ∕ cm that this example is selected the engraved lines number for use, and carving depth is 55 μ m ~ 65 μ m;
Step 6, to the non-ink cell zone gluing in gravure printing roller engraving back: be not damaged in following step for protecting non-ink cell zone; Need be coated with the last layer polyurethane resin through the non-ink cell of the gravure printing roller zone behind the step 5 engraving equably; This resin has the character of the acid of being insoluble to, and plays the effect in the non-ink cell of protection printing plate cylinder zone;
Step 7, to the etching of gravure printing roller ink cell: the gravure printing roller ink cell is carried out etching with the ferric trichloride of 14 ° of Baume degrees and the hydrochloric acid mixed solution of 10% concentration; It is the U font that the type shape of ink cell on the gravure printing roller is deepened expansion by the v font; And being etched to the degree of depth of requirement, the ink cell etch depth can reach 200 μ m;
Step 8, gravure printing roller is removed glue: the polyurethane resin of step 7 on overetched gravure printing roller wiped trial division with ethanol go;
Step 9, to gravure printing roller chromium plating: the gravure printing roller to obtaining through step 8 carries out chromium plating, can protect edition pattern on roller surface not by scratch, increases the service life, and chromium coating thickness is 10 μ m-15 μ m, and hardness is 900HV-1100HV.
Claims (1)
1. preparation method that can print out the gravure printing roller of stereoeffect, it is characterized in that: the manufacturing technology steps of said gravure printing roller is:
(1) make the gravure printing roller matrix: select for use seamless steel pipe to process as matrix material, to this matrix copper facing, thickness of coated copper layer is 200 μ m-300 μ m, the smooth surface zero defect;
(2) to the former picture proof scanning of gravure: practical digital photographing scanner is to the former picture proof scanning of gravure, and the resolution ratio of scan image is 400-800DPI;
(3) to the scan document image data analysis: the image file that former picture proof scanning obtains to gravure carries out data analysis, confirms to give prominence to the view data of stereoeffect;
(4) make stereoeffect image file: the view data that can give prominence to stereoeffect is carried out color separation processing and made the image file that after printing, can produce stereoeffect;
(5) according to stereoeffect image file copper-plated gravure printing roller is carried out electronic engraving: the graver angle is 110 °-130 °, and the engraved lines number is 60-80L ∕ cm, and carving depth is 55 μ m-65 μ m;
(6) to the non-ink cell zone gluing behind the gravure printing roller engraving: non-ink cell zone, gravure printing roller surface is coated with the last layer polyurethane resin;
(7) to the etching of gravure printing roller ink cell: the ferric trichloride of 14 ° of Baume degrees and the hydrochloric acid mixed solution of 10% concentration are selected in etching for use, and it is the U font that the cross sectional shape of ink cell on the gravure printing roller is deepened expansion by the v font, and the ink cell etch depth reaches 200 μ m the most deeply;
(8) gravure printing roller is removed glue: adopt ethanol the polyurethane resin on gravure printing roller surface to be removed as solvent;
(9) gravure printing roller is carried out chromium plating: at the chromium layer of gravure printing roller surface plating one deck 10 μ m-15 μ m, hardness reaches 900HV-1100HV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104484611A CN102529308A (en) | 2011-12-29 | 2011-12-29 | Manufacturing method of gravure roller capable of printing three-dimensional effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104484611A CN102529308A (en) | 2011-12-29 | 2011-12-29 | Manufacturing method of gravure roller capable of printing three-dimensional effect |
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| CN102529308A true CN102529308A (en) | 2012-07-04 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287137A (en) * | 2013-05-20 | 2013-09-11 | 河南春达彩印包装有限公司 | Cigarette pack printing method |
| 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 |
| 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 |
| CN103832049A (en) * | 2014-01-28 | 2014-06-04 | 太仓丽盛制版有限公司 | Secondary supplement engraving method in gravure plate-making |
| CN103921610A (en) * | 2014-04-29 | 2014-07-16 | 南京苏泉工贸有限公司 | Processing method for forming image with relief sculpture visual effect on planar material and product processed by adopting method |
| CN104972736A (en) * | 2015-06-30 | 2015-10-14 | 太仓丽盛制版有限公司 | High-efficiency engraving method for gravure plate |
| CN105584240A (en) * | 2015-12-14 | 2016-05-18 | 中国人民银行印制科学技术研究所 | Patterned product and printing method for manufacturing same |
| CN112373212A (en) * | 2020-11-09 | 2021-02-19 | 长胜纺织科技发展(上海)有限公司 | Method for preventing moire fringes from being generated in transfer dyeing process of twill cloth |
| CN112937074A (en) * | 2021-02-01 | 2021-06-11 | 林元霞 | Engraving method of gravure roller |
| CN113751274A (en) * | 2021-09-06 | 2021-12-07 | 广州厚邦木业制造有限公司 | Design method of concave grain coating roller with wood grain patterns and roller coating method applied to wood floor |
| CN114472222A (en) * | 2022-01-14 | 2022-05-13 | 增和包装股份有限公司 | Back coating roller, roller processing method and cigarette label processing technology for controlling back coating in segmented mode |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287137A (en) * | 2013-05-20 | 2013-09-11 | 河南春达彩印包装有限公司 | Cigarette pack printing method |
| 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 |
| 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 |
| CN103832049A (en) * | 2014-01-28 | 2014-06-04 | 太仓丽盛制版有限公司 | Secondary supplement engraving method in gravure plate-making |
| CN103832049B (en) * | 2014-01-28 | 2015-09-23 | 太仓丽盛制版有限公司 | Secondary supplement engraving process in gravure plate-making |
| CN103921610A (en) * | 2014-04-29 | 2014-07-16 | 南京苏泉工贸有限公司 | Processing method for forming image with relief sculpture visual effect on planar material and product processed by adopting method |
| CN103921610B (en) * | 2014-04-29 | 2016-05-18 | 南京苏泉工贸有限公司 | On a kind of planar materials, form and there is processing method of embossment visible sensation effect image and products thereof |
| CN104972736B (en) * | 2015-06-30 | 2017-05-03 | 太仓丽盛制版有限公司 | Engraving method for gravure plate |
| CN104972736A (en) * | 2015-06-30 | 2015-10-14 | 太仓丽盛制版有限公司 | High-efficiency engraving method for gravure plate |
| CN105584240A (en) * | 2015-12-14 | 2016-05-18 | 中国人民银行印制科学技术研究所 | Patterned product and printing method for manufacturing same |
| CN112373212A (en) * | 2020-11-09 | 2021-02-19 | 长胜纺织科技发展(上海)有限公司 | Method for preventing moire fringes from being generated in transfer dyeing process of twill cloth |
| WO2022095340A1 (en) * | 2020-11-09 | 2022-05-12 | 长胜纺织科技发展(上海)有限公司 | Method for preventing moiré stripes during transfer dyeing of twill |
| CN112937074A (en) * | 2021-02-01 | 2021-06-11 | 林元霞 | Engraving method of gravure roller |
| CN112937074B (en) * | 2021-02-01 | 2022-07-05 | 莆田市烛火信息技术有限公司 | Engraving method of gravure roller |
| CN113751274A (en) * | 2021-09-06 | 2021-12-07 | 广州厚邦木业制造有限公司 | Design method of concave grain coating roller with wood grain patterns and roller coating method applied to wood floor |
| CN114472222A (en) * | 2022-01-14 | 2022-05-13 | 增和包装股份有限公司 | Back coating roller, roller processing method and cigarette label processing technology for controlling back coating in segmented mode |
| CN114472222B (en) * | 2022-01-14 | 2024-01-09 | 增和包装股份有限公司 | Back coating roller, roller processing method and tobacco logo processing technology for sectional control back coating |
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Application publication date: 20120704 |