CN111086324A - Digital cutting packing method capable of replacing flexographic glazing - Google Patents
Digital cutting packing method capable of replacing flexographic glazing Download PDFInfo
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- CN111086324A CN111086324A CN201911411986.0A CN201911411986A CN111086324A CN 111086324 A CN111086324 A CN 111086324A CN 201911411986 A CN201911411986 A CN 201911411986A CN 111086324 A CN111086324 A CN 111086324A
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- China
- Prior art keywords
- packing
- thickness
- glazing
- flexographic
- digital cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/08—Print finishing devices, e.g. for glossing prints
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The invention discloses a digital cutting packing method capable of replacing flexible plate glazing, which comprises the following steps: searching relevant parameters of the offset press and the thickness of a used rubber blanket, calculating the thickness of a required flexible plate wrapping lining, and obtaining the number of corresponding wrapping linings according to the thickness of each wrapping lining; searching parameters such as the diameter and the radial shrinkage of a roller of the offset press, and calculating an elastic deformation coefficient; thirdly, according to the spliced hollowed adhesive openings of the printing format, multiplying the length and width dimensions of the printing format by an elastic deformation coefficient to perform format reduction; inputting the reduced printing format into a digital cutting machine, and cutting the white card into the required packing; fifthly, the cut packing is put under a glazing group rubber to replace the flexographic glazing. According to the invention, after the blanket circumferential elastic deformation is used for obtaining the packing and lining reduction calculation formula, the printing plate is reduced according to the data, the packing and lining paper is automatically cut by the digital cutting machine according to the printing plate after the printing plate is reduced, and the packing and lining paper can be glazed after being filled into the rubber cloth, so that the cost in the process of flexography glazing and proofing and the production is greatly saved.
Description
Technical Field
The invention belongs to the field of offset printing and glazing printing, and particularly relates to a digital cutting packing method capable of replacing flexible printing and glazing.
Background
The glazing paper of the printing product is required to be printed and produced by a hollow viscose port on a full offset printing plate, and after offset printing and glazing, the permeability and the aesthetic property of the color ink can be enhanced, the abrasion resistance of an ink layer can be protected, and the friction resistance can be improved. The flexible plate glazing material is expensive, and especially in the product proofing process, the product is various in types and changeable in makeup, the flexible plate cannot be reused, and waste is large.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a digital cutting packing method capable of replacing flexographic glazing, which comprises the following steps:
searching relevant parameters of the offset press and the thickness of a used rubber blanket, calculating the thickness of a required flexible plate wrapping lining, and obtaining the number of corresponding wrapping linings according to the thickness of each wrapping lining;
searching parameters such as the diameter and the radial shrinkage of a roller of the offset press, and calculating an elastic deformation coefficient;
thirdly, according to the spliced hollowed adhesive openings of the printing format, multiplying the length and width dimensions of the printing format by an elastic deformation coefficient to perform format reduction;
inputting the reduced printing format into a digital cutting machine, and cutting the white card into the required packing;
fifthly, the cut packing is put under a glazing group rubber to replace the flexographic glazing.
Further, packing thickness = plate cylinder excess + plate cylinder reduction-blanket thickness; the excessive printing plate roller and the radial shrinkage of the printing plate roller can be obtained by inquiring relevant parameters of the offset press.
Further, the elastic deformation coefficient =1- (blanket thickness + packing thickness)/printing plate roll radius.
Further, cut pack bushing length = actual print length ×. elastic deformation coefficient.
Furthermore, 225 g of white cardboard is adopted as the material of the packing.
Further, the digital cutting machine cuts automatically.
According to the invention, after a packing shrinkage calculation formula is obtained through circumferential elastic deformation of the rubber cloth, the packing shrinkage calculation formula is subjected to computer drawing and then is shrunk according to data, and the packing paper is automatically cut out by a digital cutting machine according to the shrunk printing format and is put into a rubber cloth for glazing, so that the cost in the processes of flexographic glazing and proofing and production is greatly saved.
Drawings
FIG. 1 is a schematic illustration of a glossing print;
FIG. 2 is a schematic view of a printing roll;
fig. 3 is a schematic view of the paper after glossing.
Reference numbers in the figures: 1-a rubber blanket; 2-printing plate roller; 3-paper; 4-anilox rolls; 5-gloss oil; 6-packing; 7-gloss oil layer.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1-3, an alternative flexographic glazing digital cutting packing method of the present invention comprises the steps of:
searching relevant parameters of the offset press and the thickness of the used rubber blanket 1, calculating the thickness of the required flexible plate wrapping lining 6, and obtaining the number of the corresponding wrapping linings according to the thickness of each wrapping lining 6;
wherein, packing thickness = plate cylinder excess + plate cylinder reduction-blanket thickness; the excessive printing plate roller and the radial shrinkage of the printing plate roller can be obtained by inquiring relevant parameters of the offset press.
Searching parameters such as the diameter and the radial shrinkage of a roller of the offset press, and calculating an elastic deformation coefficient;
wherein the elastic deformation coefficient =1- (blanket thickness + packing thickness)/printing plate roll radius.
Thirdly, according to the spliced hollowed adhesive openings of the printing format, multiplying the length and width dimensions of the printing format by an elastic deformation coefficient to perform format reduction;
cut pack pad length = actual print length + elastic deformation coefficient;
inputting the reduced printing format into a digital cutting machine, and cutting the white card into the required packing;
fifthly, the cut packing is put under a glazing group rubber to replace the flexographic glazing.
The invention has the following advantages:
1. through related mechanical parameter query, a plate reduction formula is deduced, the elastic deformation of the glazing interlining is effectively controlled, and plate reduction is rapid, scientific, simple and accurate;
2. the format processed by the computer can be directly input into a digital cutting machine to finish the preparation of the wrapping lining, and the method is simple to operate, quick and easy to implement;
3. the cut packing linings are directly put into a glazing group for glazing, the glazing is simple to machine, and the efficiency is high;
4. the packing material is cut by 225 g of white cardboard, so the packing material is easy to process and has low cost;
5. the sticking hollow patterns are uniform, the sidelines are tidy, and the product batches are uniform;
6. the product has wide applicability, and the technology can also polish medium branches, fine branches and special-shaped boxes;
7. the hollowed-out patterns are not limited to hollowed-out adhesive openings, and regular patterns such as tongue lines, folding lines, creasing lines and the like can also be hollowed-out;
8. the technology can be applied to the mass production of glazing products.
Claims (6)
1. A digital cutting packing method capable of replacing flexographic glazing comprises the following steps:
searching relevant parameters of the offset press and the thickness of the used rubber blanket (1), calculating the thickness of the required flexible plate wrapping lining (6), and obtaining the number of the corresponding wrapping linings according to the thickness of each wrapping lining (6);
searching parameters such as the diameter and the radial shrinkage of a roller of the offset press, and calculating an elastic deformation coefficient;
thirdly, according to the spliced hollowed adhesive openings of the printing format, multiplying the length and width dimensions of the printing format by an elastic deformation coefficient to perform format reduction;
inputting the reduced printing format into a digital cutting machine, and cutting the white card into the required packing;
fifthly, the cut packing is put under a glazing group rubber to replace the flexographic glazing.
2. The method of digital cutting interlining for alternative flexographic glossing of claim 1, wherein:
packing thickness = plate cylinder excess + plate cylinder reduction-blanket thickness; the excessive printing plate roller and the radial shrinkage of the printing plate roller can be obtained by inquiring relevant parameters of the offset press.
3. The method of digital cutting interlining for alternative flexographic glossing of claim 1, wherein:
elastic deformation coefficient =1- (blanket thickness + packing thickness)/printing plate roll radius.
4. The method of digital cutting interlining for alternative flexographic glossing of claim 1, wherein:
cut pack pad length = actual print length + elastic deformation coefficient.
5. The method of digital cutting interlining for alternative flexographic glossing of claim 1, wherein: the material of the packing is 225 g of white card.
6. The method of digital cutting interlining for alternative flexographic glossing of claim 1, wherein: the digital cutting machine cuts automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911411986.0A CN111086324A (en) | 2019-12-31 | 2019-12-31 | Digital cutting packing method capable of replacing flexographic glazing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911411986.0A CN111086324A (en) | 2019-12-31 | 2019-12-31 | Digital cutting packing method capable of replacing flexographic glazing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111086324A true CN111086324A (en) | 2020-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911411986.0A Pending CN111086324A (en) | 2019-12-31 | 2019-12-31 | Digital cutting packing method capable of replacing flexographic glazing |
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| Country | Link |
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| CN (1) | CN111086324A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310627A (en) * | 2010-07-08 | 2012-01-11 | 大亚科技股份有限公司 | Local glazing method for flexographic printing and local glazing equipment |
| CN102658720A (en) * | 2012-05-18 | 2012-09-12 | 昆明瑞丰印刷有限公司 | Device for locally glazing printed product |
| CN104553299A (en) * | 2014-12-26 | 2015-04-29 | 四川金时印务有限公司 | Method for UV (Ultra-Violet Ray) lustering of offset press through hollowing lining papers |
| CN204322690U (en) * | 2014-12-22 | 2015-05-13 | 四川金时印务有限公司 | A kind of interleaving paper for offset press UV glazing |
| CN107310263A (en) * | 2017-08-30 | 2017-11-03 | 郑州华美彩印纸品有限公司 | A kind of method of offset press UV glazings |
| CN107443946A (en) * | 2017-08-01 | 2017-12-08 | 广州市恒远彩印有限公司 | A kind of method locally to be oiled using hollow out lining paper |
| CN109895498A (en) * | 2019-03-27 | 2019-06-18 | 上海浦东黄工印刷有限公司 | A kind of method that printing product carries out local UV glazing |
-
2019
- 2019-12-31 CN CN201911411986.0A patent/CN111086324A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310627A (en) * | 2010-07-08 | 2012-01-11 | 大亚科技股份有限公司 | Local glazing method for flexographic printing and local glazing equipment |
| CN102658720A (en) * | 2012-05-18 | 2012-09-12 | 昆明瑞丰印刷有限公司 | Device for locally glazing printed product |
| CN204322690U (en) * | 2014-12-22 | 2015-05-13 | 四川金时印务有限公司 | A kind of interleaving paper for offset press UV glazing |
| CN104553299A (en) * | 2014-12-26 | 2015-04-29 | 四川金时印务有限公司 | Method for UV (Ultra-Violet Ray) lustering of offset press through hollowing lining papers |
| CN107443946A (en) * | 2017-08-01 | 2017-12-08 | 广州市恒远彩印有限公司 | A kind of method locally to be oiled using hollow out lining paper |
| CN107310263A (en) * | 2017-08-30 | 2017-11-03 | 郑州华美彩印纸品有限公司 | A kind of method of offset press UV glazings |
| CN109895498A (en) * | 2019-03-27 | 2019-06-18 | 上海浦东黄工印刷有限公司 | A kind of method that printing product carries out local UV glazing |
Non-Patent Citations (1)
| Title |
|---|
| 魏先福: "《印刷原理与工艺》", 30 June 2011, 中国轻工业出版社 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200501 |
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| RJ01 | Rejection of invention patent application after publication |