CN105235405A - Overprinting method of light-reflecting card paper - Google Patents
Overprinting method of light-reflecting card paper Download PDFInfo
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- CN105235405A CN105235405A CN201510694159.2A CN201510694159A CN105235405A CN 105235405 A CN105235405 A CN 105235405A CN 201510694159 A CN201510694159 A CN 201510694159A CN 105235405 A CN105235405 A CN 105235405A
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- cursors
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Abstract
The invention discloses an overprinting method of light-reflecting card paper. The overprinting method includes the following steps that (1) the distance between cursors is determined as 20 mm according to the actual irradiation distance of registration electric eyes; (2), a white background is printed in the effective registration range of the light-reflecting card paper, and the concave overprinting cursors are engraved in the white background; the cursors recognize electric eye received signals and feed the electric eye received signals to a registration computer, and the fed-back signals are recognized and locked according to manual operation; (3), printing of a first color cell of images is conducted; and (4), printing of the rest of color cells of images is sequentially conducted. According to technical parameters of a registration system, an engraving manner of the cursors is adopted, the basic conditions of the registration system can be met, and the registration electric eyes can more clearly recognize the cursors and cannot be disturbed by light-reflecting materials. When the speed of a machine changes, overprinting cannot run, and therefore the rejection rate and the defective rate are reduced.
Description
Technical field
The present invention relates to intaglio printing press overprinting process, particularly a kind of overprinting method of reflective paperboard.
Background technology
Overprinting process is reference colours according to the first look, look sequence backward with last group for reference colours realize the Division identification of alignment cursor, each colour cell all has two alignment electric eyes, the electric eye of each colour cell can carry out horizontally-arranged or vertical setting of types arrangement according to the engraving position of cursor, and vertically and horizontally arranged position and distance are all fixing, are fixed by electric eye bracket locked.After alignment electric eye correctly identifies alignment cursor, electric eye can feed back to registering system a pair waveform patterns, two electric eyes of each colour cell can feed back to the different oscillogram of system two, operator is after the oscillogram of the corresponding colour cell of correct identification, lock-in line according to system locks its corresponding oscillogram, then registering system furnishing automatic mode, relative colour cell completes alignment.
Designed by the existing registering system of my company's Bobst intaglio printing press prints for art post paperboard, machine introduces from Switzerland for 1998, it is fewer that pharyngitis granule is at that time applied in radium-shine paperboard and optical wand paper, if use this machine to carry out printing in radium-shine paperboard and optical wand paper there will be following technical problem: because radium-shine paperboard and optical wand paper are reflectorized materials time 1, at alignment, registering system is low in the upper identification of identification " cursor ", delay of response, make chromatography waste product reach more than 5 to 10 times than the chromatography quantity scrapped in art post paperboard, yield rate is less than 10%; 2, alignment " cursor " is being recognized, after registering system gets to register control function, due to radium-shine paperboard and optical wand paper intensity of light reflection uneven, be subject to the impact of reflectorized material, alignment electric eye can be interfered by the change of the power of signal to the identification of " cursor ", thus chromatography is run instantaneously reach more than 1CM, cause a large amount of waste product; 3, when after chromatography is normal, machine speed changes, alignment electric eye is subject to the material interference of reflectorized material, and chromatography can be beated frequently, can not normally produce.
Summary of the invention
In view of this, the object of this invention is to provide a kind of overprinting method of reflective paperboard, the method is based upon on the existing registering system of Bobst intaglio printing press, it can overcome the impact of alignment electric eye by reflectorized material, realize the normal use of reflectorized material at existing registering system, this invention makes the clear identification cursor of alignment electric eye energy, reduces percent defective.
The object of the invention is to be achieved through the following technical solutions:
The overprinting method of reflective paperboard, comprises the steps:
(1) it is 20 millimeters according to the distance between alignment electric eye actual irradiation distance determination cursor and cursor;
(2) in the effective range of the alignment in reflective paperboard, the printing white end, concavity chromatography cursor is carved at the white end; Feed back to alignment computer after cursor identification electric eye Received signal strength, identify according to the signal of manual operation to feedback and lock;
(3) the first colour cell image printing is carried out;
(4) printing remaining colour cell image is carried out successively.
Described cursor is exactly that the identification of alignment electric eye indicates.
The invention has the beneficial effects as follows:
The overprinting method of the reflective paperboard of the present invention, according to the technical parameter of registering system, adopt the engraving mode of cursor, concavity engraving is carried out to the first colour cell white cursor, extracts effective identification spacing of cursor, after bottoming is white, reflectorized material chromatography limit does not have reflective effect, the primary condition of registering system can be met like this, also can make the more clear identification cursor of alignment electric eye, and the interference of reflectorized material can not be subject to.When machine speed changes, chromatography can not be run, thus reduces waste product and defect rate.
Detailed description of the invention
Below will be described in detail the preferred embodiments of the present invention.Should be appreciated that preferred embodiment only in order to illustrate instead of in order to limit the scope of the invention.
Because existing printing paper is reflectorized material, if do not break into end white, colour cell cursor below will directly be printed on reflectorized material, the intensity of light reflection difference of material adds the deep mixed of process color, electric eye cannot correctly identify, the interference that such alignment will be subject to light wave causes chromatography to run.But by bottoming white, silver color republishes on earth in white, and electric eye just can identify cursor clearly.
(1) it is 20 millimeters according to the distance between alignment electric eye actual irradiation distance determination cursor and cursor;
(2) according to the printing white end in the effective range of the alignment of step 1) in reflective paperboard, concavity chromatography cursor is carved at the white end; Feed back to alignment computer after cursor identification electric eye Received signal strength, identify according to the signal of manual operation to feedback and lock;
(3) the first colour cell image printing is carried out;
(4) printing remaining colour cell image is carried out successively.
The method can be used for the chromatography of radium-shine paperboard and optical wand paper.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of right of the present invention.
Claims (1)
1. an overprinting method for reflective paperboard, is characterized in that comprising the steps:
(1) it is 20 millimeters according to the distance between alignment electric eye actual irradiation distance determination cursor and cursor;
(2) in the effective range of the alignment in reflective paperboard, the printing white end, concavity chromatography cursor is carved at the white end; Feed back to alignment computer after cursor identification electric eye Received signal strength, identify according to the signal of manual operation to feedback and lock;
(3) the first colour cell image printing is carried out;
(4) printing remaining colour cell image is carried out successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510694159.2A CN105235405A (en) | 2015-10-25 | 2015-10-25 | Overprinting method of light-reflecting card paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510694159.2A CN105235405A (en) | 2015-10-25 | 2015-10-25 | Overprinting method of light-reflecting card paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105235405A true CN105235405A (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510694159.2A Pending CN105235405A (en) | 2015-10-25 | 2015-10-25 | Overprinting method of light-reflecting card paper |
Country Status (1)
| Country | Link |
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| CN (1) | CN105235405A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497905A (en) * | 2020-11-16 | 2021-03-16 | 湖南鹤祥包装有限公司 | Gold stamping system and overprinting process of high-gloss paper and laser film for cigarettes |
| CN112572003A (en) * | 2020-12-30 | 2021-03-30 | 陕西金叶印务有限公司 | Method for eliminating paper edge laser interference and web tension instability |
| CN114851732A (en) * | 2022-05-25 | 2022-08-05 | 浙江美浓世纪集团有限公司 | Gravure mark setting method |
| CN115056585A (en) * | 2022-06-15 | 2022-09-16 | 云南侨通包装印刷有限公司 | Printing method of holographic true color on package |
Citations (6)
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| US4857715A (en) * | 1988-04-01 | 1989-08-15 | National Computer Systems, Inc. | Overprint registration system for printing a customized survey form and scannable form therefor |
| JP2001171222A (en) * | 1999-12-16 | 2001-06-26 | Toyo Ink Mfg Co Ltd | Printing method and printed matter |
| CN202540954U (en) * | 2012-04-09 | 2012-11-21 | 东莞智源彩印有限公司 | Electric eye support of intaglio printing press |
| CN103203918A (en) * | 2013-04-24 | 2013-07-17 | 上海人民塑料印刷厂 | Laser film and manufacturing method thereof |
| CN203228497U (en) * | 2013-04-24 | 2013-10-09 | 上海人民塑料印刷厂 | Gravure overprint mark used for reflective material |
| CN204249581U (en) * | 2014-12-04 | 2015-04-08 | 深圳市金升彩包装材料有限公司 | A kind of novel tobacco bale location transfer paper |
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2015
- 2015-10-25 CN CN201510694159.2A patent/CN105235405A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4857715A (en) * | 1988-04-01 | 1989-08-15 | National Computer Systems, Inc. | Overprint registration system for printing a customized survey form and scannable form therefor |
| JP2001171222A (en) * | 1999-12-16 | 2001-06-26 | Toyo Ink Mfg Co Ltd | Printing method and printed matter |
| CN202540954U (en) * | 2012-04-09 | 2012-11-21 | 东莞智源彩印有限公司 | Electric eye support of intaglio printing press |
| CN103203918A (en) * | 2013-04-24 | 2013-07-17 | 上海人民塑料印刷厂 | Laser film and manufacturing method thereof |
| CN203228497U (en) * | 2013-04-24 | 2013-10-09 | 上海人民塑料印刷厂 | Gravure overprint mark used for reflective material |
| CN204249581U (en) * | 2014-12-04 | 2015-04-08 | 深圳市金升彩包装材料有限公司 | A kind of novel tobacco bale location transfer paper |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497905A (en) * | 2020-11-16 | 2021-03-16 | 湖南鹤祥包装有限公司 | Gold stamping system and overprinting process of high-gloss paper and laser film for cigarettes |
| CN112572003A (en) * | 2020-12-30 | 2021-03-30 | 陕西金叶印务有限公司 | Method for eliminating paper edge laser interference and web tension instability |
| CN112572003B (en) * | 2020-12-30 | 2022-07-05 | 陕西金叶印务有限公司 | Method for eliminating paper edge laser interference and web tension instability |
| CN114851732A (en) * | 2022-05-25 | 2022-08-05 | 浙江美浓世纪集团有限公司 | Gravure mark setting method |
| CN115056585A (en) * | 2022-06-15 | 2022-09-16 | 云南侨通包装印刷有限公司 | Printing method of holographic true color on package |
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Application publication date: 20160113 |
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| WD01 | Invention patent application deemed withdrawn after publication |