CN1012051B - Zinc-plate printing plate and its prodn process - Google Patents
Zinc-plate printing plate and its prodn processInfo
- Publication number
- CN1012051B CN1012051B CN 89104765 CN89104765A CN1012051B CN 1012051 B CN1012051 B CN 1012051B CN 89104765 CN89104765 CN 89104765 CN 89104765 A CN89104765 A CN 89104765A CN 1012051 B CN1012051 B CN 1012051B
- Authority
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- China
- Prior art keywords
- corrosion
- time
- zine plate
- forme
- depth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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- Printing Plates And Materials Therefor (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
The present invention provides a method for producing zinc-plate printing plates, which can accomplish thermoprinting electrochemical aluminum and embossing in one time, and a produced printing plate. The printing plate is produced by a method of layered corrosion, and the produced printing plate has two layers of depth. The method of the present invention has the advantages of simple manuscript design, no color separation during plate making, short time and raw material saving. The printing plate of the present invention has the advantages of low cost, simple operation, high efficiency and high pressrun. Because the thermoprinting electrochemical aluminum procedure and the embossing procedure are accomplished in one time without overprinting, the present invention reduces consumption. Besides, the printed products have the advantages of strong convex feeling, sharp line and clear hierarchy.
Description
The present invention relates to a kind of method for making and prepared forme of zine plate forme, relate to method for making and prepared forme that the electrification of thermoprint in a kind of letterpress aluminium adds the microcrystalline zinc plate forme of belling operation in more detail.
For a long time, it is different twice printing process that thermoprint electrification aluminium adds belling, will make two formes when printing, and printing forms at twice.This typography is not only wasted raw material, and production efficiency is low, because the chromatography instability, the semi-finished product loss is bigger.
Purpose of the present invention is to provide a kind of and can eliminates above-mentioned shortcoming, makes thermoprint electrification aluminium add the method for making of the one step completed zine plate forme of belling and by the prepared zine plate forme of this method.
In order to achieve the above object, the present invention adopts the method for gradation etching, and its technological process is: original copy design → photograph → solarization photo zincography → first time corrosion → coating protectant → second time corrosion → forme.Concrete steps are: according to the needs design manuscript of printing, want belling partly to be drawn as hollow pattern in the electrification aluminium during printing earlier.The effect of the belling or the electrochemical aluminium that fractures when printing is played on the limit of hollow pattern.The original copy that designs is clapped into the negative egative film, shine on zine plate.The photo zincography that solarization is good carries out corrosion for the first time: the nitric acid with 2 °-15 ° of Baume degrees corrodes 50-1260 second to the space of a whole page in basin at normal temperatures.Concentration of nitric acid is low excessively, and difficulty makes photo zincography erode to the required degree of depth; Concentration of nitric acid is too high, and then photo zincography rots easily carefully, loses shape.Too short or the long all difficulties of etching time make photo zincography reach the corrosion depth of expection.Concrete etching time can require the degree of depth of corrosion to determine according to concentration of nitric acid, molten zinc amount and the space of a whole page.Tiny for stroke or lace, rot easily carefully or the forme that loses shape during corrosion, can adopt conventional photo zincography powderless etching method, last machine corrodes 50-240 second.The rotating speed of the preparation of photo zincography powderless etching liquid, liquid temperature, etching machine is all identical with conventional photo zincography powderless etching during corrosion.Last machine etching time is too short or long, and all difficulty makes the space of a whole page reach the corrosion depth of expection.The concrete time of corrosion can be determined according to liquid temperature, rotating speed, acidity, molten zinc amount and space of a whole page corrosion depth.Corrosion for the first time makes the corrosion depth of zine plate space of a whole page unprotect membranous part position reach the 0.4-2.2 decimillimeter.After corrosion for the first time, the space of a whole page pattern that does not need on the zine plate to continue to corrode is coated protective agent, protective agent can adopt shellac varnish or benzene China ink, also can adopt other etch-proof materials.After the protective agent oven dry, adopt conventional photo zincography powderless etching method, machine on the photo zincography is carried out the corrosion second time, to note grasping the balance between liquid temperature, rotating speed, time, acidity, the molten zinc amount in the corrosion process.Corrosion for the second time makes zine plate space of a whole page corrosion depth reach the degree of depth of conventional relief printing block.After twice corrosion, the flush away protective agent promptly gets the zine plate forme with two layer depth.
Sheet material used in the present invention is protruding seal microcrystalline zinc plate, and prepared zine plate forme has two layer depth.Electrification aluminium was wanted the belling part when ground floor degree of depth was promptly printed, and was generally the 0.4-2.2 decimillimeter.The degree of depth is too small, print the protruding sense of product not strong, level is not obvious; The degree of depth is excessive, and then difficult scalding gone up electrochemical aluminium.The concrete degree of depth is looked the thickness decision of printing sheets, and the thin more degree of depth of paper is more little.As needs, its degree of depth also can be less than 0.4 decimillimeter or greater than 2.2 decimillimeters.The space of a whole page did not have the position of protective layer, the normally conventional depth of relief printing block when the second layer degree of depth was promptly corroded for the second time.Machine printing on the forme, its operation is identical with former thermoprint electrification aluminium operation, and one-step print promptly gets the product that thermoprint electrification aluminium adds belling.
The method for making of zine plate forme of the present invention, only need forme of system just can replace the electrochemical aluminium of original thermoprint to add two formes in the belling twice printing process, compared with prior art, have original copy simplicity of design, plate-making without color separation, plate-making time advantage such as lack, save material.Original equipment need not upgrade, and can use zine plate forme of the present invention, once finishes the printing that thermoprint electrification aluminium adds belling, and original twice printing process is reduced to printing process one.Adopt zine plate forme of the present invention to carry out thermoprint electrification aluminium and add the belling printing, its plate cost is low, simple to operate, and production efficiency is enhanced about more than once than prior art, and press resistance rate is up to more than 200,000 impressions.Once finish because thermoprint electrification aluminium adds belling twice printing process,, therefore can reduce consumption significantly, save raw material without chromatography.Print the protruding sense of product strong, lines are clearly demarcated, are methodically arranged.
Embodiment 1
Printing sheets thickness: 0.7 decimillimeter.
Zine plate forme manufacturing process:
1, original copy design: design manuscript on demand, electrochemical aluminium wants belling partly to be drawn as hollow pattern during printing.
2, take a picture: the original copy that designs through take a picture the negative egative film.
3, shine photo zincography: the negative egative film is shone on the microcrystalline zinc plate plate.
4, the corrosion first time: the good photo zincography of solarization is placed on the nitric acid of using 2 ° of Baume degrees in the basin corroded 240 seconds, obtain photo zincography corrosion depth 0.4 decimillimeter.
5, coating protectant: the space of a whole page pattern shellac protective layer that does not need on the zine plate to continue to corrode is protected.
6, corrosion for the second time: corrode in 60 liters of photo zincography etching machines are produced in Yingkou with photo zincography powderless etching liquid make the surface-treated photo zincography through rare nitric acid.The preparation of photo zincography powderless etching liquid is the photo zincography powderless etching additive of adding 2.17% in the nitric acid of 11 ° of Baume degrees.27.5 ℃ of corrosive liquid liquid temperature, 300 rev/mins of machine rotating speeds, etching time 900 seconds.
7, forme: the space of a whole page has two layer depth, and one deck is 0.4 decimillimeter, and one deck is 7.5 decimillimeters.
Embodiment 2
Printing sheets thickness: 0.7 decimillimeter.
Zine plate forme manufacturing process:
1, original copy design: with embodiment 1.
2, take a picture: with embodiment 1.
3, shine photo zincography: with embodiment 1.
4, corrosion for the first time: shining good photo zincography after rare nitric acid carries out surface oxidation treatment, last machine corrodes.Etching machine adopts Yingkou to produce 60 liters of photo zincography etching machines, 300 rev/mins of machine rotating speeds.The preparation of photo zincography powderless etching liquid is the photo zincography powderless etching additive of adding 2.17% in the nitric acid of 11 ° of Baume degrees.27.5 ℃ of corrosive liquid liquid temperature.Etching time 50 seconds obtains pattern corrosion depth 0.4 decimillimeter in the zine plate space of a whole page.
5, coating protectant: with embodiment 1.
6, corrosion for the second time: with embodiment 1.
7, forme: with embodiment 1.
Embodiment 3
Printing sheets thickness: 0.7 decimillimeter.
Zine plate forme manufacturing process:
1, original copy design: with embodiment 1.
2, take a picture: with embodiment 1.
3, shine photo zincography: with embodiment 1.
4, the corrosion first time: the good photo zincography of solarization is placed on the nitric acid of using 15 ° of Baume degrees in the basin corroded 50 seconds, obtain pattern corrosion depth 0.4 decimillimeter in the zine plate space of a whole page.
5, coating protectant: with embodiment 1.
6, corrosion for the second time: with embodiment 1.
7, forme: with embodiment 1.
Embodiment 4
Printing sheets thickness: 0.7 decimillimeter.
Zine plate forme manufacturing process:
1, original copy design: with embodiment 1.
2, take a picture: with embodiment 1.
3, shine photo zincography: with embodiment 1.
4, the corrosion first time: the good photo zincography of solarization is placed on the nitric acid of using 8 ° of Baume degrees in the basin corroded 80 seconds, obtain zine plate space of a whole page corrosion depth 0.4 decimillimeter.
5, coating protectant: with embodiment 1.
6, corrosion for the second time: with embodiment 1.
7, forme: with embodiment 1.
Embodiment 5
Printing sheets thickness: 3.0 decimillimeters.
Zine plate forme manufacturing process:
1, original copy design: with embodiment 1.
2, take a picture: with embodiment 1.
3, shine photo zincography: with embodiment 1.
4, corrode the first time: the good photo zincography of solarization is placed on the nitric acid of using 15 ° of Baume degrees in the basin corroded 180 seconds, get photo zincography corrosion depth 1.1 decimillimeters.
5, coating protectant: with embodiment 1.
6, corrosion for the second time: in etching machine, corrode the preparation of the model of etching machine, machine rotating speed and photo zincography powderless etching liquid, liquid Wen Juntong embodiment 1, etching time 840 seconds make the surface-treated photo zincography through rare nitric acid with photo zincography powderless etching liquid.
7, forme: the space of a whole page has two layer depth, and one deck is 1.1 decimillimeters, and one deck is 7.5 decimillimeters.
Embodiment 6
Printing sheets thickness: 3.0 decimillimeters.
Zine plate forme manufacturing process:
1, original copy design: with embodiment 1.
2, take a picture: with embodiment 1.
3, shine photo zincography: with embodiment 1.
4, corrosion for the first time: shining good photo zincography after rare nitric acid carries out surface oxidation treatment, last machine corrodes.The preparation of the model of etching machine, machine rotating speed and corrosive liquid, liquid Wen Juntong embodiment 2, etching time is 130 seconds, obtains photo zincography corrosion depth 1.1 decimillimeters.
5, coating protectant: with embodiment 1.
6, corrosion for the second time: with embodiment 5.
7, forme: with embodiment 5.
Embodiment 7
Printing sheets thickness: 4.5 decimillimeters.
Zine plate forme manufacturing process:
1, original copy design: with embodiment 1.
2, take a picture: with embodiment 1.
3, shine photo zincography: with embodiment 1.
4, the corrosion first time: the good photo zincography of solarization is placed on the nitric acid of using 2 ° of Baume degrees in the basin corroded 1260 seconds, obtain zine plate space of a whole page corrosion depth 2.2 decimillimeters.
5, coating protectant: with embodiment 1.
6, corrosion for the second time: photo zincography powderless etching method routinely, machine corrosion on the photo zincography.The preparation of the model of etching machine, machine rotating speed and corrosive liquid, liquid Wen Juntong embodiment 1, etching time 720 seconds.
7, forme: space of a whole page pattern has two layer depth, and one deck is 2.2 decimillimeters, and one deck is 7.5 decimillimeters.
Embodiment 8
Printing sheets thickness: 4.5 decimillimeters.
Zine plate forme manufacturing process:
1, original copy design: with embodiment 1.
2, take a picture: with embodiment 1.
3, shine photo zincography: with embodiment 1.
4, corrosion for the first time: shining good photo zincography photo zincography powderless etching method routinely, last machine corrosion 240 seconds obtains space of a whole page corrosion depth 2.2 decimillimeters.Preparation, the liquid Wen Junyu embodiment 2 of the model of etching machine, machine rotating speed and corrosive liquid are identical.
5, coating protectant: with embodiment 1.
6, corrosion for the second time: with embodiment 7.
7, forme: with embodiment 7.
Claims (2)
1, a kind of method for making of zine plate forme is characterized in that adopting the method for gradation etching, according to printing needs design manuscript, wants belling partly to be drawn as hollow pattern in the electrification aluminium in the time of will print earlier, claps into the solarization of negative egative film then on zine plate; Adopt twice corrosion of conventional photo zincography powderless etching method zine plate, for the first time make corrosion depth reach the 0.4-2.2 decimillimeter, the photo zincography pattern that does not need to continue to corrode is coated protective agent, carry out the corrosion second time after the oven dry again, make corrosion depth reach the conventional relief printing block degree of depth; The flush away protective agent promptly gets the zine plate forme with two layer depth.
2, the prepared zine plate forme of the method for making of zine plate forme according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89104765 CN1012051B (en) | 1989-07-06 | 1989-07-06 | Zinc-plate printing plate and its prodn process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89104765 CN1012051B (en) | 1989-07-06 | 1989-07-06 | Zinc-plate printing plate and its prodn process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1040950A CN1040950A (en) | 1990-04-04 |
| CN1012051B true CN1012051B (en) | 1991-03-20 |
Family
ID=4855691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89104765 Expired CN1012051B (en) | 1989-07-06 | 1989-07-06 | Zinc-plate printing plate and its prodn process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1012051B (en) |
-
1989
- 1989-07-06 CN CN 89104765 patent/CN1012051B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN1040950A (en) | 1990-04-04 |
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