CN102887000B - Processing method for fine gilding and overprinting in large size - Google Patents
Processing method for fine gilding and overprinting in large size Download PDFInfo
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- CN102887000B CN102887000B CN201110204988.XA CN201110204988A CN102887000B CN 102887000 B CN102887000 B CN 102887000B CN 201110204988 A CN201110204988 A CN 201110204988A CN 102887000 B CN102887000 B CN 102887000B
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Abstract
The invention discloses a processing method for fine gilding and overprinting in large size. The processing method comprises the following steps of: color matching: adjusting the ground color for printing and the colors of printing patterns, wherein tones of the same color system are adopted, and alumite stamping foil adopts the tone the same with those of the ground color for printing and the colors of the printing patterns; graphic processing: carrying out virtual-edge adding or feathering treatment on the printing patterns by adopting software; shape adjusting: adjusting the gilding shape to be an irregular shape for a circular arc shape; line width and space adjusting: adjusting line width and space between the patterns of the patterns to be gilded; and making a gilding plate, during plate making, the gilding plate is compressed in proportions. With the adoption of the processing method for fine gilding and overprinting in large size, the printing effect is more fine and more attractive than that of the prior art, the requirements for high-grade product can be met, and the processing method can adapt to mass production, has lower cost than the traditional technology, and improved yield.
Description
Technical field
The present invention relates to the art of printing, particularly relate to the processing method of the meticulous gold stamping and chromatography of large area.
Background technology
Thermoprint is by certain pressure and temperature (usual 130 degrees centigrade), use the printing plate be contained on thermoprinting machine, make to be scalded material and printing plate combined pressure at short notice, metal forming or color pigment paper tinsel are transferred to by the processing technology of boiling hot material surface by the picture and text requirement of printing plate.The thermoprint of gold and silver look is also known as gold stamping, and metal forming adopts electrochemical aluminum foil usually.
Gold stamping chromatography is version gradation printing different by color on the same space of a whole page, can build magnificent visual effect, apply quite extensive.Gold stampingly normally carry out after ink printing picture and text complete, being a procedure very rearward in whole printing process, is " aft-loaded airfoil ".Gilding technology can be divided into " electronic laser engraving " and " corrosion copperplate " two kinds by plate-making mode.
The expressive force of electronic laser engraving and hot stamping effects are better than corroding copperplate.Owing to being conputer controlled, laser engraving, so details that is complicated, fine pattern better can be retained and stamps out.Can also repeatedly use, be applicable to the production in enormous quantities of long line stabilization product.But high cost, price is tens times of corrosion copperplate.
The advantage that laser engraving compared by corrosion copperplate is: cost is low, and the plate-making cycle is short, fast easy to install.Shortcoming is: for requiring that higher product can not be reused; In the corrosion process of plate-making, the details of fine pattern easily causes disappearance; Easily " scumming " phenomenon is there is in thermoprint process.
In process of producing product, owing to drying, solidify paper surface institute printing ink, thus Paper Moisture is caused to run off and be out of shape, reduce.Dry number of times more, the amplitude that distortion is reduced is larger.When gold stamping chromatography, owing to expanding with heat and contract with cold, gold stamping version becomes large from expanding after being heated; Gold stamping area is larger, and temperature is higher, and expansion rate is also larger; Thus there is the problem of gold stamping register trouble.In addition the distortion of paper is reduced, and the inaccurate problem of thermoprint is highlighted more, affects product attractive in appearance, seriously reduce product percent of pass.
Summary of the invention
The object of the invention is the technological deficiency that will overcome traditional gold stamping register trouble, alleviate gold stamping register trouble and hot stamping effects to the impact of product appearance, a kind of comprehensive technology improving the gold stamping and chromatography precision of very fine large area is provided, better realize the aesthetics of gold stamping rear product, mass industrialized production requirement can be met simultaneously, improve yield rate, reduce production cost.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the processing method providing the meticulous gold stamping and chromatography of a kind of large area, comprises the following steps:
Toning, adjustment printing base colour and the color of printed patterns, adopt same colour system tone, and alumite thermoprinting foil also adopts and printed patterns and the printing base colour tone with colour system;
Graphics process, uses software to Zuo Xu limit, printed patterns edge or process of sprouting wings;
Adjustment shape, adjusting gold stamping shape is irregularly shaped or circular shape;
Adjustment live width and spacing, adjust line thickness and the pattern-pitch of gold stamping pattern;
Making gold stamping version, when making a plate, gold stamping version being compressed in proportion.
In a preferred embodiment of the present invention, gold stamping version is corrosion copperplate, to meet the demand of low cost, small lot batch manufacture.
In a preferred embodiment of the present invention, gold stamping version is the gold stamping version of laser engraving, to adapt to the needs of large-scale industrial production.
Preferably, when making gold stamping version, plate-making is compressed in proportion by gold stamping version coefficient of thermal expansion and paper distortion rate.
Adopt the processing method of the meticulous gold stamping and chromatography of large area of the present invention, printing effect is meticulousr than conventional art, attractive in appearance, can meet the needs of expensive goods, and can adapt to produce in enormous quantities, and cost is lower relative to conventional art, and improves yield rate.
Detailed description of the invention
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
The meticulous processing method that is gold stamping and chromatography of a kind of large area of the present invention comprises the following steps:
Toning, adjustment printing base colour and the color of printed patterns, adopt same colour system tone, and alumite thermoprinting foil also adopts and described printed patterns and the printing base colour tone with colour system;
Graphics process, uses software to Zuo Xu limit, described printed patterns edge or process of sprouting wings;
Adjustment shape, the shape adjusting gold stamping pattern is irregularly shaped or circular shape;
Adjustment live width and spacing, adjust line thickness and the pattern-pitch of described gold stamping pattern;
Making gold stamping version, when making a plate, gold stamping version being compressed in proportion.
The present invention is by the adjustment to printed patterns and color, alumite thermoprinting foil, gold stamping shape and spacing, gold stamping plate etc., these elements are selected to conflict each other less combination, increase the coordinating and unifying of gold stamping pattern, thus realize the hot stamping effects of very fine.
Printing base colour and the color of printed patterns adopt the same colour system tone that compares coordination or the close color of lightness, avoid adopting complementary colours or strong contrastive colours as far as possible.The contrast between pattern and background color can be reduced like this, prevent the border of pattern and background color from highlighting when chromatography is accurate not.
Printed patterns edge utilize PaintShop as: Photoshop, Illustrator etc. carry out suitable emergence or empty limit process, make between pattern and background color, there is certain fusion, transition nature, avoid occurring stiff, sharp keen edge, the profile of pattern and details are embodied by gold stamping lines.
Alumite thermoprinting foil is generally made up of 5 layers of different material: basement membrane, stratum disjunction, dyed layer, aluminium coated and hot melt glue layer.In thermoprint process, by printing plate, alumite thermoprinting foil is heated, stratum disjunction and hot melt glue layer fusing, made hot melt glue layer by the technique of impression and binded by boiling hot material, dyed layer and basement membrane depart from, and dyed layer and aluminium coated are stayed by boiling hot material.Dyed layer is the main body (silver color anodized aluminium is incomparable layer then) forming coloured anodized aluminium, and after usually being dissolved in organic solvent by heat-resisting lucite and dyestuff, quality is directly coated on stratum disjunction surface.Gold stamping alumite thermoprinting foil used, its dyed layer is selected and the dyestuff of pattern background color with colour system, its objective is the harmful effect reduced because gold stamping overprint error brings product aesthetics.
Gold stamping shape is advisable with irregularly shaped or circular shape, avoid adopting vertical element or specification geometry as far as possible, gold stamping like this shape and printing base colour, printed patterns combine together, mutually set off, even if fine pattern has tiny damage on gold stamping plate, also can not affect whole structure, thus extend the service life of gold stamping plate, reduce costs.
For avoid complexity, meticulous gold stamping in blank and " scumming " (the gold stamping pattern adhesion of the mistake that very easily occurs, should be the place also boiling hot upper anodized aluminium of hollow out between pattern) phenomenon, gold stamping pattern line is the most carefully not less than 0.08 millimeter, and gold stamping pattern-pitch is minimum is not less than 0.2 millimeter.
The thermal expansion of gold stamping plate is the key factor causing register trouble.The meticulous comprehensive technology that is gold stamping and chromatography of large area of the present invention makes full use of the expansion rate of gold stamping plate after high-temperature heating, according to the expansion rate of gold stamping plate, according to paper distortion size, when making a plate, gold stamping version is compressed in proportion, can reduce and become large and printed patterns register trouble and the waste product that produces because gold stamping version expands, to adapt to produce in enormous quantities, improve yield rate.
Such as: one piece of actual size is the gold stamping version of 100 millimeters of x 100 millimeters, when being heated to required blocking point, due to the principle of expanding with heat and contract with cold, gold stamping version has been expanded to 101 millimeters of x 101 mm in sizes, hot stamping pattern strains greatly mutually, cannot entirely accurate chromatography with the printed patterns of actual size.When making a plate, gold stamping version entirety compressed in proportion by four circumferential centers, plate is made 99 millimeters of x 99 mm in sizes, and after heating, its area is namely substantially identical with the size of printed patterns, just thermoprint can be made more accurate.
Gold stamping version is that heating entity becomes large, and gold stamping pattern substantially can not distortion, so, being compressed in proportion by four circumferential centers when compressing, pattern distortions can not be out of shape.Gilding copper plate area is larger, temperature is higher, then expansion rate is also larger, compression factor when the present invention makes a plate according to the adjustment corresponding to blocking point of the area of copper coin.
In production process before product is gold stamping, need paper surface institute printing ink be dried, be solidified, thus cause paper to be out of shape because of water loss, reduce.Dry number of times more, the amplitude that distortion is reduced is larger.Although the amplitude of deformation of the gold stamping copperplate of printed patterns deformation ratio caused due to paper distortion is little many, but be also a factor of the gold stamping chromatography precision of impact, when compression gold stamping version, paper distortion and gold stamping version expanded by heating rate are considered, can further improve thermoprint precision, improve aesthetics, improve yield rate.
The waste product reducing and produce because of gilding technology alignment precision this inevitable defect not high can be measured by above method, by the calculating of the adjustment to printed patterns and color, alumite thermoprinting foil, gold stamping shape and spacing etc., selection, gold stamping version expansion rate, reduce the impact because gold stamping register trouble causes product aesthetics, even if gold stamping operation has a small amount of register partial difference also can not affect the attractive in appearance of pattern and entirety, be unlikely to produce waste product.
High-quality printing plate is the guarantee of thermoprint quality, adopts the printing plate of high-quality can improve gloss and the definition of thermoprint picture and text.Copperplate, due to quality exquisiteness, any surface finish, good heat-transfer, wear-resisting withstand voltage, not yielding, is the printing plate of current main flow.The making of thermoprint copperplate mainly adopts photoetching mask-making technology and laser engraving mask-making technology.The gold stamping plate technology of the laser engraving that use cost of the present invention is higher carrys out online hot stamping, adapts to the production of industrial mass, long line, stable prod.Laser engraving plate-making adopts this technology, and thermoprint precision and effect will be made to be tending towards perfect.But, because laser engraving cost is higher, middle and small scale is produced, after adopting preceding method, the requirement of printing plate itself is reduced, therefore have during the expensive goods of large area complexity, fine pattern in thermoprint and need not adopt expensive laser engraving, adopt the corrosion copper coin that the plate-making cycle is short, cheap.
The processing method of the meticulous gold stamping chromatography of large area of the present invention is for adapting to mass industrialized production, improves yield rate and the effective measures taked.This method solve a difficult problem for the gold stamping register trouble of large area, improve chromatography precision, thus improve the rate that manufactures a finished product, make large area meticulous gold stamping meticulousr, attractive in appearance, improving product class.And the present invention can reduce costs, extend the service life of gold stamping plate, reduce production difficulty.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a processing method for the meticulous gold stamping and chromatography of large area, is characterized in that, comprise the following steps:
Toning, adjustment printing base colour and the color of printed patterns, adopt same colour system tone, and alumite thermoprinting foil also adopts and described printed patterns and the printing base colour tone with colour system;
Graphics process, uses software to Zuo Xu limit, described printed patterns edge or process of sprouting wings;
Adjustment shape, the shape adjusting gold stamping pattern is irregularly shaped or circular shape;
Adjustment live width and spacing, adjust line thickness and the pattern-pitch of described gold stamping pattern;
Making gold stamping version, when making a plate, gold stamping version being compressed in proportion.
2. the processing method of the meticulous gold stamping and chromatography of large area according to claim 1, is characterized in that: described gold stamping version is the gold stamping version of laser engraving.
3. the processing method of the meticulous gold stamping and chromatography of large area according to claim 1, is characterized in that: described gold stamping version is corrosion copperplate.
4. the processing method of the meticulous gold stamping and chromatography of large area according to claim 1, is characterized in that: the gold stamping version step of described making, compresses plate-making in proportion according to gold stamping version coefficient of thermal expansion and paper distortion rate.
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| CN201110204988.XA CN102887000B (en) | 2011-07-21 | 2011-07-21 | Processing method for fine gilding and overprinting in large size |
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| CN201110204988.XA CN102887000B (en) | 2011-07-21 | 2011-07-21 | Processing method for fine gilding and overprinting in large size |
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| CN102887000A CN102887000A (en) | 2013-01-23 |
| CN102887000B true CN102887000B (en) | 2015-04-01 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103921542A (en) * | 2013-09-02 | 2014-07-16 | 广西真龙彩印包装有限公司 | Novel offset printing and hot stamping technique |
| CN103909752A (en) * | 2013-11-15 | 2014-07-09 | 浙江汇诚通用印务有限公司 | Red date milk presentation box printing technology |
| CN109624495A (en) * | 2018-11-16 | 2019-04-16 | 江苏中印印务集团有限公司 | A kind of gold stamping version and gilding technology |
| CN112297592B (en) * | 2019-07-31 | 2022-07-26 | 杭州运城制版有限公司 | Secondary overprinting printing roller and plate making process |
| CN111572226B (en) * | 2020-06-12 | 2022-03-04 | 云南侨通包装印刷有限公司 | Digital printing process with embroidery effect |
| CN115503365B (en) * | 2021-06-23 | 2024-03-22 | 深圳市汉森软件股份有限公司 | Rotating body surface printing method, device, equipment and storage medium |
| CN115008935B (en) * | 2022-06-09 | 2023-09-05 | 广东高义包装科技股份有限公司 | Process capable of improving hot stamping precision |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043812A (en) * | 1988-12-28 | 1990-07-11 | 株式会社亚玛托亚商会 | The conversion process method of picture characteristics |
| CN101480867A (en) * | 2008-01-12 | 2009-07-15 | 中山市松德包装机械股份有限公司 | Method for realizing multi-color-class positioning cold wave transfer printing |
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- 2011-07-21 CN CN201110204988.XA patent/CN102887000B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043812A (en) * | 1988-12-28 | 1990-07-11 | 株式会社亚玛托亚商会 | The conversion process method of picture characteristics |
| CN101480867A (en) * | 2008-01-12 | 2009-07-15 | 中山市松德包装机械股份有限公司 | Method for realizing multi-color-class positioning cold wave transfer printing |
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Effective date of registration: 20151103 Address after: 212300 north side of Airport Road, Danyang economic and Technological Development Zone, Jiangsu Patentee after: JIANGSU DAREGLOBAL PRINTING CO., LTD. Address before: 212300 No. 95 Jinling West Road, Danyang Economic Development Zone, Zhenjiang, Jiangsu Patentee before: Daya Sci & Tech. Co., Ltd. |