CN103625138A - Printing process for UV (ultraviolet) snowflake pattern by offset printing - Google Patents
Printing process for UV (ultraviolet) snowflake pattern by offset printing Download PDFInfo
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- CN103625138A CN103625138A CN201310651691.7A CN201310651691A CN103625138A CN 103625138 A CN103625138 A CN 103625138A CN 201310651691 A CN201310651691 A CN 201310651691A CN 103625138 A CN103625138 A CN 103625138A
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Abstract
The invention belongs to the technical field of printing, and in particular relates to a printing process for finishing a UV (ultraviolet) snowflake pattern by offset printing. The technical scheme of the printing process is characterized by comprising the following steps: (1) designing and typesetting according to the printed characters, patterns and signs to generate to a CTP (computer-to-plate) with 150 to 200 lines per inch; (2) arranging the CTP generated in the step (1) to the last group of printing units of a UV offset printing machine, and placing printing paper into a Fidek; (3) adjusting the viscosity of UV offset printing snowflake printing ink to be 20 to 30 S, and adjusting an inking position of the UV offset printing machine to be 20 to 70 percent; (4) adjusting the paper feeding speed of the UV offset printing machine to be 7,000 to 12,000 pieces/hour, starting a UV drying system of the UV offset printing machine, adjusting the drying power of the UV drying system to be 2 to 5 Kw, and starting the machine to print. According to the printing process, the UV snowflake pattern is printed by adopting the offset printing machine, so that the consumption of the printing ink is effectively reduced, the printing efficiency is improved, and the UV snowflake pattern with a strong flash effect and three-dimensional effect can be generated by printing once.
Description
Technical field
The invention belongs to printing technology, relate in particular to a kind of typography that offset printing completes UV snowflake pattern of applying.
Background technology
UV snowflake pattern is that a kind of UV of utilization snowflake printing ink carries out surface treatment to printed matter, produces and has strong flash effect and relief printing effect, is widely used in the packages printing fields such as high-grade cigarette, wine, cosmetics and invigorant.In recent years, the typography of UV snowflake pattern mainly be take serigraphy as main, and the mechanism that produces snowflake pattern is ink generation cross-linking reaction, and in pigment, adjacent or close particle attracts to solidify each other, generates fine and smooth texture.But, the technique of this silk-screen UV snowflake pattern, one-step print can not produce obvious third dimension, only has the silk-screen through secondary or three times just can embody obvious flash effect and third dimension, this required precision to printing chromatography is very high, and production cost is high, production efficiency is low.Meanwhile, this ink that is applied to serigraphy UV snowflake pattern, its viscosity is high, dry slow, be only suitable for silk screen process mode, the main varied in thickness that relies on China ink layer, through ultraviolet light dry solidification repeatedly, produce flash effect and third dimension, cannot meet offset printing and shift at a high speed, efficiently indirect printing.Therefore, design a kind of simple, low-cost and high efficiency offset printing process, realize one-step print and can produce strong flash effect and relief UV snowflake pattern, there is huge application prospect.
Summary of the invention
The object of the invention is and printing cost high problem low for silk-screen UV snowflake pattern process efficiency, a kind of typography of offset printing UV snowflake pattern is provided, and this technique can realize one-step print can make printed matter surface produce strong flash effect and relief UV snowflake pattern.
The present invention solves the low and high problem of printing cost of silk-screen UV snowflake pattern process efficiency, and the technical scheme adopting is: a kind of typography of offset printing UV snowflake pattern, and concrete implementation step is as follows:
(1) according to word, pattern and the sign of printing, design and typesetting, generate the CTP version of 150～200 line/inches;
(2) CTP version step (1) being generated, is filled on last group printing unit of UV offset press, and printing sheets is put into and flown to reach;
(3) regulating the viscosity of UV offset printing snowflake printing ink is 20～30S, and regulating the inking position of UV offset press is 20%～70%;
(4) regulate the chart drive speed of UV offset press be 7000～12000/time, open the UV drying system of UV offset press, its dry power adjusting is 2～5Kw, start printing.
Preferred version is: a kind of typography of offset printing UV snowflake pattern, and concrete implementation step is as follows:
(1) according to word, pattern and the sign of printing, design and typesetting, generate the CTP version of 170～180 line/inches;
(2) CTP version step (1) being generated, is filled on last group printing unit of UV offset press, and printing sheets is put into and flown to reach;
(3) regulating the viscosity of UV offset printing snowflake printing ink is 26～28S, and regulating the inking position of UV offset press is 40%～50%;
(4) regulate the chart drive speed of UV offset press be 8000～8500/time, open the UV drying system of UV offset press, its dry power adjusting is 3.5～4.5Kw, start printing.
Described CTP version is magnificent light TP-P type temperature-sensitive photo zincography;
Described UV offset press is Goebel RA105-7+UV type offset press;
Described UV offset printing snowflake printing ink is the ink of autonomous preparation, its raw material is percentage composition meter by weight, the composition of this ink consists of: MFL-81GCA type white microcapsule 25%, epoxy acrylate 10%, polyurethane acrylic resin 25%, acrylic acid-2-ethyl caproite 25%, trimethylolpropane tris propylene 7%, 2,4-diethyl thioxanthone 5% and 685 dispersants 3%.
The invention has the beneficial effects as follows:
(1) typography of offset printing UV snowflake pattern of the present invention, its ink is independent research, the mechanism that produces UV snowflake pattern is the thickness that the particle diameter of white microcapsule pigment is greater than offset printing ink layer, while there is crosslinking curing in China ink layer, binder is assembled to white microcapsule rapidly, the fine and smooth texture of formation centered by white microcapsule, one-step print can produce strong flash effect and third dimension, and the print speed printing speed of this offset printing process is 2～3 times of serigraphy speed, promoted the typography efficiency of silk-screen UV snowflake pattern;
(2) typography of offset printing UV snowflake pattern of the present invention, adopt the CTP version of 150～200 line/inches to carry out field printing, China ink position is adjusted to 20%～70%, the ink film thickness producing can be controlled in 5 μ m～7 μ m, compare serigraphy ink film thickness 18 μ m～23 μ m, the losing quantity of ink reduces 2～3 times, and only needs UV dry solidification one time, has reduced the typography cost of silk-screen UV snowflake pattern.
The specific embodiment
Embodiment mono-: a kind of typography of offset printing UV snowflake pattern, and concrete implementation step is as follows:
(1) according to word, pattern and the sign of printing, design and typesetting, generate the TP-P type temperature-sensitive photo zincography (Hua Guang printing board material Co., Ltd) of 180 line/inches;
(2) TP-P type temperature-sensitive photo zincography step (1) being generated, is filled on last group printing unit of RA105-7+UV type offset press (Goebel printing machinery Co., Ltd), and printing sheets is put into and flown to reach;
(3) regulating the viscosity of UV offset printing snowflake printing ink (independent development ink) is 27S, and regulating the inking position of RA105-7+UV type offset press (Goebel printing machinery Co., Ltd) is 42%;
(4) regulate the chart drive speed of RA105-7+UV type offset press (Goebel printing machinery Co., Ltd) be 8500/time, open RA105-7+UV type offset press (Goebel printing machinery Co., Ltd) UV drying system, its dry power adjusting is 4.0Kw, start printing.
Embodiment bis-: a kind of typography of offset printing UV snowflake pattern, and concrete implementation step is as follows:
(1) according to word, pattern and the sign of printing, design and typesetting, generate the TP-P type temperature-sensitive photo zincography (Hua Guang printing board material Co., Ltd) of 175 line/inches;
(2) TP-P type temperature-sensitive photo zincography step (1) being generated, is filled on last group printing unit of RA105-7+UV type offset press (Goebel printing machinery Co., Ltd), and printing sheets is put into and flown to reach;
(3) regulating the viscosity of UV offset printing snowflake printing ink (independent development ink) is 30S, and regulating the inking position of RA105-7+UV type offset press (Goebel printing machinery Co., Ltd) is 43%;
(4) regulate the chart drive speed of RA105-7+UV type offset press (Goebel printing machinery Co., Ltd) be 8300/time, open RA105-7+UV type offset press (Goebel printing machinery Co., Ltd) UV drying system, its dry power adjusting is 3.5Kw, start printing.
Embodiment tri-: a kind of typography of offset printing UV snowflake pattern, and concrete implementation step is as follows:
(1) according to word, pattern and the sign of printing, design and typesetting, generate the TP-P type temperature-sensitive photo zincography (Hua Guang printing board material Co., Ltd) of 180 line/inches;
(2) TP-P type temperature-sensitive photo zincography step (1) being generated, is filled on last group printing unit of RA105-7+UV type offset press (Goebel printing machinery Co., Ltd), and printing sheets is put into and flown to reach;
(3) regulating the viscosity of UV offset printing snowflake printing ink (independent development ink) is 28S, and regulating the inking position of RA105-7+UV type offset press (Goebel printing machinery Co., Ltd) is 41%;
(4) regulate the chart drive speed of RA105-7+UV type offset press (Goebel printing machinery Co., Ltd) be 8700/time, open RA105-7+UV type offset press (Goebel printing machinery Co., Ltd) UV drying system, its dry power adjusting is 4.5Kw, start printing.
Embodiment tetra-: a kind of typography of offset printing UV snowflake pattern, and concrete implementation step is as follows:
(1) according to word, pattern and the sign of printing, design and typesetting, generate the TP-P type temperature-sensitive photo zincography (Hua Guang printing board material Co., Ltd) of 175 line/inches;
(2) TP-P type temperature-sensitive photo zincography step (1) being generated, is filled on last group printing unit of RA105-7+UV type offset press (Goebel printing machinery Co., Ltd), and printing sheets is put into and flown to reach;
(3) regulating the viscosity of UV offset printing snowflake printing ink (independent development ink) is 30S, and regulating the inking position of RA105-7+UV type offset press (Goebel printing machinery Co., Ltd) is 45%;
(4) regulate the chart drive speed of RA105-7+UV type offset press (Goebel printing machinery Co., Ltd) be 8500/time, open RA105-7+UV type offset press (Goebel printing machinery Co., Ltd) UV drying system, its dry power adjusting is 4.5Kw, start printing.
Claims (5)
1. the typography of offset printing UV snowflake pattern, is characterized in that implementation step is as follows:
(1) according to word, pattern and the sign of printing, design and typesetting, generate the CTP version of 150～200 line/inches;
(2) CTP version step (1) being generated, is filled on last group printing unit of UV offset press, and printing sheets is put into and flown to reach;
(3) regulating the viscosity of UV offset printing snowflake printing ink is 20～30S, and regulating the inking position of UV offset press is 20%～70%;
(4) regulate the chart drive speed of UV offset press be 7000～12000/time, open the UV drying system of UV offset press, its dry power adjusting is 2～5Kw, start printing.
2. the typography of offset printing UV snowflake pattern according to claim 1, is characterized in that: the netting twine size that in described step (1), CTP version generates is 150～200 line/inches.
3. the typography of offset printing UV snowflake pattern according to claim 1, is characterized in that: in described step (2), CTP version is filled on last group printing unit of UV offset press.
4. the typography of offset printing UV snowflake pattern according to claim 1, is characterized in that: in described step (3), the inking position of UV offset press is 20%～70%.
5. the typography of offset printing UV snowflake pattern according to claim 1, it is characterized in that: described UV offset printing snowflake printing ink is the ink of autonomous preparation, its raw material is percentage composition meter by weight, the composition of this ink consists of: MFL-81GCA type white microcapsule 25%, epoxy acrylate 10%, polyurethane acrylic resin 25%, acrylic acid-2-ethyl caproite 25%, trimethylolpropane tris propylene 7%, 2,4-diethyl thioxanthone 5% and 685 dispersants 3%.
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| CN201310651691.7A CN103625138B (en) | 2013-12-03 | 2013-12-03 | Printing process for UV (ultraviolet) snowflake pattern by offset printing |
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| CN201310651691.7A CN103625138B (en) | 2013-12-03 | 2013-12-03 | Printing process for UV (ultraviolet) snowflake pattern by offset printing |
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| CN103625138B CN103625138B (en) | 2017-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103614001A (en) * | 2013-12-04 | 2014-03-05 | 深圳九星印刷包装集团有限公司 | Ultraviolet-curing offset printing snow ink |
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| CN201520095U (en) * | 2009-06-24 | 2010-07-07 | 周福根 | Improved KBA Rapida 142 type printing machine |
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| CN103614001A (en) * | 2013-12-04 | 2014-03-05 | 深圳九星印刷包装集团有限公司 | Ultraviolet-curing offset printing snow ink |
| CN103614001B (en) * | 2013-12-04 | 2016-03-30 | 深圳九星印刷包装集团有限公司 | A kind of ultraviolet light polymerization offset printing snowflake printing ink |
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| CN103625138B (en) | 2017-01-18 |
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Inventor after: Liu Yongsheng Inventor after: Guo Xin Inventor after: Liu Wenheng Inventor after: Zeng Haiming Inventor after: Xu Dijun Inventor after: Wang Bin Inventor after: He Hua Inventor after: Shang Yaojun Inventor after: Li Haidong Inventor before: Liu Yongsheng Inventor before: Wu Weijun Inventor before: Liu Wenheng Inventor before: Zeng Haiming |
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Granted publication date: 20170118 Termination date: 20211203 |