CN116766737A - Template for book printing and plate making process thereof - Google Patents
Template for book printing and plate making process thereof Download PDFInfo
- Publication number
- CN116766737A CN116766737A CN202310881621.4A CN202310881621A CN116766737A CN 116766737 A CN116766737 A CN 116766737A CN 202310881621 A CN202310881621 A CN 202310881621A CN 116766737 A CN116766737 A CN 116766737A
- Authority
- CN
- China
- Prior art keywords
- template
- ctp
- plate making
- making process
- book printing
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000007639 printing Methods 0.000 title claims abstract description 25
- 238000005498 polishing Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000010147 laser engraving Methods 0.000 claims abstract description 9
- 239000002699 waste material Substances 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 230000001172 regenerating effect Effects 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 230000001590 oxidative effect Effects 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 244000137852 Petrea volubilis Species 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/04—Printing plates or foils; Materials therefor metallic
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
The invention provides a template for book printing and a plate making process thereof, comprising a template, wherein the surface of the template is engraved with patterns required by book printing by laser; the plate making process of the template comprises the following steps: obtaining a waste CTP template and collecting an old template with patterns; removing the pattern on the surface of the CTP template to obtain a CTP template blank, and providing a preparation material for regenerating an old template; leveling the surface of the CTP template blank, so that the surface of the CTP template blank is convenient for coating the photosensitive material. According to the plate making process of the template for book printing, the waste CTP template is used as a raw material, the original pattern on the surface of the CTP template is removed in a grinding and polishing mode, then the photosensitive material is coated on the surface of the CTP template again, the CTP template is regenerated, the brand-new CTP template is obtained through laser engraving, developing and cleaning, and finally the pattern on the surface of the CTP template is inspected through a CCD camera, so that deviation of pattern size and position is avoided.
Description
Technical Field
The invention relates to the technical field of plate making of printing templates, in particular to a template for book printing and a plate making process thereof.
Background
CTP technology is a plate making technology that directly transfers numbers or pages edited in an electronic preprinting system (CEPS) or a color desktop system (DTP) to a printing plate. It is characterized in that: in terms of materials, the photosensitive film and developing chemicals thereof are omitted; in terms of the process, links such as exposure development, plate repairing and plate burning of films are omitted; in terms of equipment, darkroom and film exposure developing equipment are omitted; in the aspect of benefit, the cost is reduced, and the time and space are saved; in terms of quality, the image transfer quality is obviously improved, and the environmental pollution is reduced.
CTP plate making is an important process before book printing, and adopts a thin aluminum plate substrate, clear book content patterns are obtained on the surface of the aluminum plate substrate mainly through laser engraving, developing and cleaning of a plate making machine, and the obtained CTP templates can be put into a printer for batch printing.
However, the existing plate making process adopts a rolled brand new aluminum plate base material, and the aluminum plate waste is caused by the fact that the template with the pattern which is no longer used is eliminated and cannot be recycled, so that the invention provides a plate making process capable of recycling the old template.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a template for book printing and a plate making process thereof, which solves the problem that the existing plate making process can not fully recycle the waste CTP template.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the embodiment of the invention provides a template for book printing and a plate making process thereof, comprising a template, wherein the surface of the template is engraved with patterns required by book printing by laser;
the plate making process of the template comprises the following steps:
s1, acquiring a waste CTP template, and collecting an old template with patterns;
s2, removing patterns on the surface of the CTP template to obtain a CTP template blank, and providing a preparation material for regenerating an old template;
s3, leveling the surface of the CTP template blank, so that the surface of the CTP template blank is convenient to coat a photosensitive material;
s4, coating a photosensitive material on the surface of the flattened CTP template blank;
s5, placing the regenerated CTP template coated with the photosensitive material into a plate making machine for laser engraving;
s6, placing the CTP template completed by the laser engraving into a developing machine for developing;
s7, cleaning the developed CTP template, so as to obtain a brand new template with patterns required by books on the surface;
s8, magnifying and observing the cleaned template by using a CCD camera, and automatically checking whether the patterns on the surface of the template are misplaced and deviated.
Preferably, the step of removing the pattern on the surface of the CTP template sequentially comprises polishing the surface of the template with the pattern by using a polisher, flushing the polished template, removing polishing dust, and drying the template by using a drying device. The template is polished by an automatic polisher to obtain a template base material with a relatively rough surface, the polished template is directly rinsed by clear water, and the rinsed template is directly dried so as to enter the next working procedure.
Preferably, the step of leveling the surface of the CTP template blank comprises polishing the polished and dried template by a polishing machine, oxidizing the polished template to generate an oxide film on the surface of the template, preparing the sand holes on the surface of the template, and washing and drying the template. At this time, the surface of the template is polished by an automatic polisher to obtain a template substrate with a smooth surface.
Preferably, the surface of the template with the pattern is polished by a polisher and polished by sand paper with more than 500 meshes, so that the surface of the old template is ensured not to be large in pits.
Preferably, the mode of drying the template by adopting the drying equipment is to air-dry the template for 3min by adopting 80-degree hot air. Ensure that no water stain is left on the surface of the template.
Preferably, the polishing of the polished and dried template by the polishing machine adopts polishing paste with more than 2000 meshes to polish the surface of the template. Ensuring the smoothness of the surface of the template and facilitating the subsequent preparation of the sand holes on the surface of the template.
Preferably, the step of preparing the mesh holes on the surface of the template is to spray the surface of the template by using a hole sealing liquid, so that the surface of the template is provided with the mesh holes with standard depth, and the standard depth of the mesh holes after the hole sealing liquid is treated is 4.0-4.2um. After the sand holes are prepared on the surface of the template, the photosensitive material is easier to adsorb on the surface of the template.
(III) beneficial effects
The invention provides a template for book printing and a plate making process thereof. The beneficial effects are as follows:
according to the plate making process of the template for book printing, the waste CTP template is used as a raw material, the original pattern on the surface of the CTP template is removed in a grinding and polishing mode, then the photosensitive material is coated on the surface of the CTP template again, the CTP template is regenerated, the brand-new CTP template is obtained through laser engraving, developing and cleaning, and finally the pattern on the surface of the CTP template is inspected through a CCD camera, so that deviation of pattern size and position is avoided. The plate making process can fully recycle the used CTP template, avoids the waste of aluminum plates, adopts a polishing and polishing mode to treat the surfaces of the aluminum plates in the process, can greatly improve the plate treatment efficiency, and has less pollution compared with chemical agent treatment.
Drawings
FIG. 1 is a general block diagram of the present invention;
FIG. 2 is a block diagram of a blank structure of a CTP template;
FIG. 3 is a block diagram illustrating the structure of a CTP template blank surface leveling process according to the present invention;
FIG. 4 is a schematic diagram of an old template of the present invention;
FIG. 5 is a schematic diagram of a template after the preparation of the mesh openings of the present invention;
FIG. 6 is a schematic diagram of a stencil after coating a photosensitive material according to the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
as shown in fig. 1 to 6, an embodiment of the present invention provides a template for book printing and a plate making process thereof, including a template, the surface of which is engraved with a pattern required for book printing by laser;
the template plate making process comprises the following steps:
s1, acquiring a waste CTP template, and collecting an old template with patterns; the acquisition mode is to take the obsolete book templates which are not used any more for use, and the pattern of the templates is shown in figure 1.
S2, removing patterns on the surface of the CTP template to obtain a CTP template blank, and providing a preparation material for regenerating an old template;
s3, leveling the surface of the CTP template blank, so that the surface of the CTP template blank is convenient to coat a photosensitive material;
s4, coating a photosensitive material on the surface of the flattened CTP template blank, wherein the mode of coating the photosensitive material is the same as that of coating the photosensitive material on the existing new aluminum material base material, and the template after coating the photosensitive material is shown in FIG. 6;
s5, placing the regenerated CTP template coated with the photosensitive material into a plate making machine for laser engraving;
s6, placing the CTP template completed by the laser engraving into a developing machine for developing;
s7, cleaning the developed CTP template, so as to obtain a brand new template with patterns required by books on the surface;
s8, magnifying and observing the cleaned template by using a CCD camera, and automatically checking whether the patterns on the surface of the template are misplaced and deviated. In the embodiment, the patterns on the surface of the templates can be automatically checked through the CCD camera, whether deviation exists in the patterns measured by a ruler or not is not needed manually, and the accuracy of the patterns on the surface of each template is ensured.
The process of removing the pattern on the surface of the CTP template sequentially comprises polishing the surface of the template with the pattern by a polisher, flushing the polished template, removing polishing dust and drying the template by drying equipment. In this embodiment, the surface of the template is polished by an automatic polisher until the pattern on the surface of the template is safely removed. And then flushing the polished template with clear water, and drying by adopting drying equipment after flushing.
And polishing the surface of the template with the pattern by using a polishing machine and polishing by using sand paper with more than 500 meshes, thereby ensuring that large pits do not appear on the surface of the old template. The pattern on the surface of the template is removed, and meanwhile, deeper pits are not left on the surface of the template.
The template is dried by adopting a drying device in a mode of adopting 80-degree hot air to air-dry the template for 3min. Thereby ensuring that no water stain is left on the surface of the template.
The process of leveling the surface of the CTP template blank once comprises polishing the polished and dried template by a polishing machine, oxidizing the polished template to generate an oxide film on the surface of the template, preparing a sand hole on the surface of the template, and washing and drying the template.
When the template is oxidized, the template is directly immersed in oxidizing liquid, and direct current is adopted for oxidation treatment, so that an oxide film can be formed on the surface of the template, the oxidizing liquid is sulfuric acid solution with the concentration of 150g/L, the temperature of the oxidizing liquid is 35 ℃, and the oxidizing time is 60s.
Polishing the template by a polishing machine, wherein polishing paste with more than 2000 meshes is adopted for polishing the surface of the template.
The process of preparing the mesh holes on the surface of the template is to spray the surface of the template by adopting the hole sealing liquid, so that the surface of the template is provided with the mesh holes with standard depth, and the standard depth of the mesh holes after the hole sealing liquid is treated is 4.0-4.2um. In the embodiment, the hole sealing liquid is sodium fluoride solution doped with phosphoric acid, the temperature range of the hole sealing liquid is 30-40 degrees, and the concentration range of the hole sealing liquid is 15-19 g/L. The processed template is shown in fig. 5.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A template for book printing and a plate making process thereof are characterized in that: the method comprises a template, wherein the surface of the template is engraved with patterns required by book printing through laser;
the plate making process of the template comprises the following steps:
s1, acquiring a waste CTP template, and collecting an old template with patterns;
s2, removing patterns on the surface of the CTP template to obtain a CTP template blank, and providing a preparation material for regenerating an old template;
s3, leveling the surface of the CTP template blank, so that the surface of the CTP template blank is convenient to coat a photosensitive material;
s4, coating a photosensitive material on the surface of the flattened CTP template blank;
s5, placing the regenerated CTP template coated with the photosensitive material into a plate making machine for laser engraving;
s6, placing the CTP template completed by the laser engraving into a developing machine for developing;
s7, cleaning the developed CTP template, so as to obtain a brand new template with patterns required by books on the surface;
s8, magnifying and observing the cleaned template by using a CCD camera, and automatically checking whether the patterns on the surface of the template are misplaced and deviated.
2. The template for book printing and its plate making process according to claim 1, wherein: the process for removing the patterns on the surface of the CTP template sequentially comprises polishing the surface of the template with the patterns by a polisher, flushing the polished template, removing polishing dust and drying the template by drying equipment.
3. The template for book printing and its plate making process according to claim 1, wherein: the process of leveling the surface of the CTP template blank comprises the steps of polishing the polished and dried template through a polishing machine, oxidizing the polished template to enable an oxide film to be generated on the surface of the template, preparing sand holes on the surface of the template, and washing and drying the template.
4. The template for book printing and its plate making process according to claim 2, wherein: the surface of the template with the pattern is polished by a polisher and is polished by sand paper with more than 500 meshes, so that the surface of the old template is ensured not to be large in pits.
5. The template for book printing and its plate making process according to claim 2, wherein: the mode of drying the template by adopting the drying equipment is to air-dry the template for 3min by adopting 80-degree hot air.
6. A template for book printing and its plate making process according to claim 3, wherein: the polishing of the template by the polishing machine adopts polishing paste with more than 2000 meshes to polish the surface of the template.
7. A template for book printing and its plate making process according to claim 3, wherein: the process of preparing the mesh holes on the surface of the template is to spray the surface of the template by adopting the hole sealing liquid, so that the surface of the template is provided with the mesh holes with standard depth, and the standard depth of the mesh holes after the hole sealing liquid is treated is 4.0-4.2um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310881621.4A CN116766737A (en) | 2023-07-18 | 2023-07-18 | Template for book printing and plate making process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310881621.4A CN116766737A (en) | 2023-07-18 | 2023-07-18 | Template for book printing and plate making process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116766737A true CN116766737A (en) | 2023-09-19 |
Family
ID=88009923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310881621.4A Pending CN116766737A (en) | 2023-07-18 | 2023-07-18 | Template for book printing and plate making process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116766737A (en) |
-
2023
- 2023-07-18 CN CN202310881621.4A patent/CN116766737A/en active Pending
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