CN104494282A - Method for repairing gravure printing layout by laser - Google Patents
Method for repairing gravure printing layout by laser Download PDFInfo
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- CN104494282A CN104494282A CN201410838825.0A CN201410838825A CN104494282A CN 104494282 A CN104494282 A CN 104494282A CN 201410838825 A CN201410838825 A CN 201410838825A CN 104494282 A CN104494282 A CN 104494282A
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Abstract
The invention discloses a method for repairing a gravure printing layout by laser. The method comprises the following steps of preparing laser repaired pattern data, removing an abrasion layer of a printing roller, carrying out filling and leveling treatment on a pattern layer; and carrying out surface treatment, carving laser repaired patterns and carrying out abrasion resistant treatment. A platemaking special dot meter is used for a laser printing roller with pits so as to extract pattern morphology data around the pits and measure area size data at the pits. According to the extracted morphology data and dimension data, on the laser printing roller, scatheless pattern data in a similar morphology region are extracted for laser drawing treatment, and laser repaired pattern data are prepared; after an abrasion resistant layer on the surface of the printing roller is removed, and the pits are filled and leveled with deposition copper, and then the surface treatment is carried out; then repaired pattern data are prepared and processed on the printing roller by utilizing a laser engraving technology; finally the abrasion resistant treatment is carried out, so that the printing roller can be used continuously; the service life is prolonged; the production cost is reduced.
Description
Technical field
The present invention relates to laser plate-making technical field, particularly the method for the impaired gravure space of a whole page of a kind of laser repairing.
Background technology
At present, the gravure printing roller that printing plate cylinder mask-making technology makes, surface is made up of base material, patterned layer and wearing layer usually, and usual base material is iron and steel, and patterned layer material is copper, and wearing layer material is hard chrome.The main purposes of such roller is galley, because itself is too heavy, in long-term use procedure, easily to collide etc. unexpected impaired, cause the pattern content on roller surface to occur depression, these depressions are often deep into patterned layer material, destroy the complete of pattern.Meanwhile, depression can damage ink knife during printing, affects production efficiency, increases production cost.When collision cup depth reaches more than 10 μm, when diameter is greater than 1mm, the product printed has not met the quality requirement of product, can be considered useless version.
When the situation of depression appears in roller surface, laser roller is directly eliminated by user usually cancels, and again has made to order; Certainly Some Enterprises is also had to be continue to use defective roller.Front a kind of way increases the production cost of enterprise, affects the production and efficiency of enterprise, causes the waste of roller; Rear a kind of way not only sacrifices product quality, needs frequently to change ink knife simultaneously, increases production cost, reduces production efficiency.
Summary of the invention
The object of the invention is to solve pattern content on gravure printing roller surface impaired and occurred depression, cause steel roller printing Quality Down or underproof problem, and the method for the impaired gravure space of a whole page of a kind of laser repairing is provided, it can at utmost repair impaired pattern, reduction printing effect, extends the service life of roller.
Of the present invention adopted technical scheme is such:
A method for the impaired gravure space of a whole page of laser repairing, its method step is:
(1) laser repairing pattern data makes
1. to the impaired laser roller that there is depression, use the professional dot meter of plate-making, extract the pattern topology data around recessed position, measure the area size data of recessed position simultaneously; 2. according to the topographic data extracted, in this laser roller, extract similar morphological regions and undamaged pattern data, cross laser patterning computer expert and be made as view data; 3. according to the concrete area size of the recessed position measured, cut out the image of same size in the view data made, be made as laser repairing pattern data, preserve, stand-by.
(2) roller wearing layer is decorporated process
To the wear-resisting layers of chrome of the surface integral of above-mentioned roller by anode electrolysis, dissolving is decorporated, and makes roller expose copper patterned layer.
(3) patterned layer fills and leads up process
To above-mentioned carried out wearing layer decorporate process the coated one deck of roller non-conductive protective layer closely, have the region of depression not carry out coated, and copper facing carried out to this region, fill and lead up roller depression in the surface.
(4) surface treatment
After filling and leading up above-mentioned roller defect, to filling and leading up, region is refined, polishing, and control this region surface and the smooth tolerance of original surface within ± 2 μm, after divesting protective layer, smooth surface is smooth.
(5) laser repairing pattern engraving
By the laser repairing pattern data made by step 1, by laser engraving mask-making technology, pattern processing and fabricating processed is filled and led up region to above-mentioned, and after making, roller picture on surface is naturally even, and nothing is obviously plugged into vestige.
(6) Wear-resistant Treatment
Above-mentioned roller of having carried out pattern reparation is carried out hard chrome plating process, makes roller surface reach wear-resisting requirement, layers of chrome hardness HV950.
The picture on surface of the printing plate cylinder after the solution of the present invention process is naturally seamless, and the product printed is consistent with the original depth.
Compared with prior art, the present invention has following remarkable result:
Present invention employs the operation that laser repairing pattern data makes, be extracted the pattern topology data around recessed position and notch area sized data, be made as laser repairing pattern data, final recessed position of repairing printing plate cylinder.After the laser engraving plate-making restorative procedure process adopted through the present invention, can reuse, extend its service life, ensure the quality of producing, save enterprise's production cost, cut the waste.
Detailed description of the invention
By embodiment below, the present invention is further elaborated.
A method for the impaired gravure space of a whole page of laser repairing, comprises the following steps: 1. laser repairing design producing; 2. roller wearing layer is decorporated process; 3. patterned layer fills and leads up process; 4. surface treatment; 5. laser repairing pattern engraving; 6. Wear-resistant Treatment.
Concrete technology flow process is:
Step one, laser repairing design producing:
(1) to the impaired laser roller that there is depression, use the professional dot meter of plate-making, extract the pattern topology data around recessed position, measure the area size data of recessed position simultaneously.Pattern topology data around the recessed position that this enforcement is extracted are: site width 160 μm, the site degree of depth 40 μm, leader width 10 μm, netting twine 55L/cm, angle 45 °; The area size of recessed position is: circular, diameter 1mm, area 0.785mm
2.(2) according to the topographic data extracted, in this laser roller, extract similar morphological regions and undamaged pattern data, cross laser patterning computer expert and be made as view data.(3) according to the concrete area size of the recessed position measured, cut out the image of same size in the view data made, produce laser repairing pattern data, preserve, stand-by.
Step 2, roller wearing layer are decorporated process:
To the wear-resisting layers of chrome of the surface integral of the roller described in step one by anode electrolysis, dissolving is decorporated, and makes roller expose copper patterned layer.
Step 3, patterned layer fill and lead up process:
To step 2 carried out wearing layer decorporate process the coated one deck of roller non-conductive protective layer closely, the present embodiment use adhesive tape coated.And there have the region of depression not carry out to be coated, and copper facing is carried out to this region fill and lead up, fill and lead up roller depression in the surface by the mode of deposited copper.
Step 4, surface treatment:
After the roller described in step 3 carries out filling and leading up process, carry out refining, polishing, make the smooth tolerance of the patterned layer filling and leading up region surface and roller within ± 2 μm, after divesting protective layer, smooth surface is smooth.
Step 5, laser repairing pattern are carved:
By the laser repairing pattern data made by step one, by laser engraving mask-making technology, pattern data is worked into step 4 and fills and leads up and roller defect area after processing, the patterned surfaces after making is naturally even, without repairing vestige.
Step 6, Wear-resistant Treatment:
The roller that step 5 has been carried out pattern reparation carries out hard chrome plating process, makes laser roller surface reach wear-resisting requirement, layers of chrome hardness HV950.
Claims (1)
1. a method for the impaired gravure space of a whole page of laser repairing, is characterized in that: the method step of the impaired gravure space of a whole page of described a kind of laser repairing is:
(1) laser repairing pattern data makes:
1. to the impaired laser roller that there is depression, use the professional dot meter of plate-making, extract the pattern topology data around recessed position, measure the area size data of recessed position simultaneously; 2. according to the topographic data extracted, in this laser roller, extract similar morphological regions and undamaged pattern data, cross laser patterning computer expert and be made as view data; 3. according to the concrete area size of the recessed position measured, cut out the image of same size in the view data made, produce laser repairing pattern data, preserve, stand-by;
(2) roller wearing layer is decorporated process:
To the wear-resisting layers of chrome of the surface integral of above-mentioned roller by anode electrolysis, dissolving is decorporated, and makes roller expose copper patterned layer;
(3) patterned layer fills and leads up process:
To above-mentioned carried out wearing layer decorporate process the coated one deck of roller non-conductive protective layer closely, have the region of depression not carry out coated, and copper complement plated carried out to this region, fill and lead up roller depression in the surface;
(4) surface treatment:
After filling and leading up above-mentioned roller depression, to filling and leading up, region is refined, polishing, controls this region surface and the smooth tolerance of original surface within ± 2 μm, after divesting protective layer, fills and leads up region smooth;
(5) laser repairing pattern engraving:
Laser repairing pattern data made by above-mentioned steps 1, by laser engraving mask-making technology, pattern processing and fabricating processed is filled and led up region to above-mentioned, and after making, roller picture on surface is naturally even, and nothing is obviously plugged into vestige;
(6) Wear-resistant Treatment:
Above-mentioned roller of having carried out pattern reparation is carried out hard chrome plating process, makes roller surface reach wear-resisting requirement, layers of chrome hardness HV950.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410838825.0A CN104494282B (en) | 2014-12-30 | 2014-12-30 | The method of the impaired gravure space of a whole page of a kind of laser repairing |
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| CN201410838825.0A CN104494282B (en) | 2014-12-30 | 2014-12-30 | The method of the impaired gravure space of a whole page of a kind of laser repairing |
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| CN104494282A true CN104494282A (en) | 2015-04-08 |
| CN104494282B CN104494282B (en) | 2015-12-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297946A (en) * | 2017-08-04 | 2017-10-27 | 上海运申制版模具有限公司 | A kind of laser roller that site is repaiied with thin stroke |
| CN108645869A (en) * | 2018-08-20 | 2018-10-12 | 中国印刷科学技术研究院有限公司 | The non-defective method for removing and its device of gravure printing roller surface defect intelligent measurement |
| CN110087868A (en) * | 2016-12-20 | 2019-08-02 | 罗尔公司 | Acoustic properties is able to the machine vision acoustic panels reparation retained |
| CN111907191A (en) * | 2020-06-19 | 2020-11-10 | 固高科技(深圳)有限公司 | Compensation method, compensation device, electrographic engraving control system and computer-readable storage medium |
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| US20090191333A1 (en) * | 2008-01-28 | 2009-07-30 | Pinto Yariv Y | Method for providing or correcting a flexographic printing plate, sleeve, or precursor thereof |
| CN101695890A (en) * | 2009-08-22 | 2010-04-21 | 肖云国 | Process for engraving three-dimensional large-sized copper pattern roller by using laser |
| CN102152600A (en) * | 2010-12-09 | 2011-08-17 | 黄山精工凹印制版有限公司 | Method for producing high-definition laser gravure plate roller |
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Patent Citations (4)
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| CN101354531A (en) * | 2007-07-25 | 2009-01-28 | 欧姆龙株式会社 | Laser transfer printing device |
| US20090191333A1 (en) * | 2008-01-28 | 2009-07-30 | Pinto Yariv Y | Method for providing or correcting a flexographic printing plate, sleeve, or precursor thereof |
| CN101695890A (en) * | 2009-08-22 | 2010-04-21 | 肖云国 | Process for engraving three-dimensional large-sized copper pattern roller by using laser |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110087868A (en) * | 2016-12-20 | 2019-08-02 | 罗尔公司 | Acoustic properties is able to the machine vision acoustic panels reparation retained |
| US11104086B2 (en) | 2016-12-20 | 2021-08-31 | Rohr, Inc | Machine vision acoustic panel repair with retention of acoustic properties |
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| CN107297946A (en) * | 2017-08-04 | 2017-10-27 | 上海运申制版模具有限公司 | A kind of laser roller that site is repaiied with thin stroke |
| CN108645869A (en) * | 2018-08-20 | 2018-10-12 | 中国印刷科学技术研究院有限公司 | The non-defective method for removing and its device of gravure printing roller surface defect intelligent measurement |
| CN111907191A (en) * | 2020-06-19 | 2020-11-10 | 固高科技(深圳)有限公司 | Compensation method, compensation device, electrographic engraving control system and computer-readable storage medium |
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| CN104494282B (en) | 2015-12-09 |
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