CN116882165A - Plate roller net point engraving method - Google Patents
Plate roller net point engraving method Download PDFInfo
- Publication number
- CN116882165A CN116882165A CN202310837730.6A CN202310837730A CN116882165A CN 116882165 A CN116882165 A CN 116882165A CN 202310837730 A CN202310837730 A CN 202310837730A CN 116882165 A CN116882165 A CN 116882165A
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- China
- Prior art keywords
- dots
- engraving
- net
- dot
- simulation
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 46
- 238000004088 simulation Methods 0.000 claims abstract description 25
- 238000005488 sandblasting Methods 0.000 claims abstract description 12
- 238000007639 printing Methods 0.000 claims abstract description 10
- 238000004381 surface treatment Methods 0.000 claims abstract description 6
- 238000010586 diagram Methods 0.000 claims abstract description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 4
- 238000010147 laser engraving Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/06—Power analysis or power optimisation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Evolutionary Computation (AREA)
- Computer Hardware Design (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computer Graphics (AREA)
- Software Systems (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
The invention relates to a method for engraving printing roller dots, which comprises the following steps: determining a draft: confirming an effect diagram of a client; retrieving a database: searching a database according to the effect graph, and determining whether simulation net points for realizing the effect of the effect graph exist; drawing: if the simulation net points for realizing the similar effect graph exist, at least one simulation net point model extracted from the database is taken as a basic net point, at least one basic net point is taken as a net point module, if the simulation net points for realizing the similar effect graph do not exist, the effect graph is scanned and made into a new net point, the depth, gradient and arrangement layout of the basic net points of the new net point module are adjusted according to the effect graph, and at least one net point module is taken as an engraving pattern; laser direct engraving: performing screen dot carving on the surface of the processed plate roller, wherein at least two layers of screen dot carving are formed; surface treatment: performing sand blasting on the surface of the plate roller; and (3) storing: and storing the currently used engraving patterns into a database according to the dot structure, the simulation effect and the technological parameters to serve as simulation dots.
Description
Technical Field
The invention belongs to the technical field of laser plate making, and particularly relates to a plate roller screen dot engraving method.
Background
The laser plate making means that an embossing pattern is engraved on the surface of a plate roller through a laser direct engraving machine, the embossing pattern is formed by arranging a plurality of net points, and the laser plate making technology can greatly simplify the pre-printing process, so that the efficiency is improved; however, in the current production flow, the drawing is still a time-consuming loop, after the screen dot model is completed, the structures of the screen dots need to be adjusted respectively according to the effect required by the customer, and then the pattern is formed by arranging the screen dots; there is a need for a method that increases the efficiency of drawing during dot engraving.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a printing roller screen dot engraving method. The method is used for improving the efficiency of dot carving drawing.
The technical aim of the invention is realized by the following technical scheme:
a method for engraving printing roller dots comprises the following steps:
step 1, determining a sample draft: confirming an effect diagram of a client;
step 2, searching a database: searching a database according to the effect graph, and determining whether simulation net points for realizing the effect of the effect graph exist;
step 3, drawing: if the simulation net points for realizing the similar effect graph exist, at least one simulation net point model extracted from the database is taken as a basic net point, at least one basic net point is taken as a net point module, the depth, gradient and arrangement layout of the basic net points of the new net point module are adjusted according to the effect graph, and at least one net point module is taken as an engraving pattern;
if the simulation net points for realizing the similar effect graph do not exist, the effect graph is scanned and a new net point is manufactured, the depth, gradient and arrangement layout of the basic net points of the new net point module are adjusted according to the effect graph, and at least one net point module is used as an engraving pattern;
in the process of drawing, the dots are the minimum units for forming patterns, so that a plurality of basic dots can be used for forming patterns, and a plurality of basic dots with different specifications and numbers can be used for forming patterns together.
Step 4, laser direct engraving: performing screen dot carving on the surface of the processed plate roller, wherein at least two layers of screen dot carving are formed;
step 5, surface treatment: performing sand blasting on the surface of the plate roller;
step 6, storing: and storing the currently used engraving patterns into a database according to the dot structure, the simulation effect and the technological parameters to serve as simulation dots.
In one embodiment, the dots directly engraved by the laser in the step 4 are any one or a combination of at least two of the following:
the second layer of dots are covered on the dots engraved by the first layer of dots;
the second layer of dots are overlapped with the dots engraved by the first layer of dots;
the second layer is engraved in the blank between the dots engraved by the first layer of dots.
In one embodiment, in the step 3, when the number of the basic dots in the dot module is plural, different basic dots in the same dot module have different depths and gradients; when the number of the dot modules is plural, different dot modules have different patterns and effects.
In one embodiment, the dots of the first dot engraving differ in depth and gradient from the dots of the second dot engraving.
In one embodiment, in the step 5, after the sand blasting treatment, a chromium layer with the hardness of 1000-1100HV and the thickness of 35-50 μm is plated on the surface of the plate roller. After the haze of the abrasive is adjusted by sand blasting, the surface of the abrasive is plated with chromium to increase hardness and wear resistance, so that the surface of the abrasive is easy to wear.
In one embodiment, the database includes a storage medium. The database is a set of large amount of data which is built in a computer through a storage medium, organized, sharable and uniformly managed, and a user can upload the data, extract or view the data in the database.
In one embodiment, in the step 4, the deeper the depth of the dots is, the greater the power of the laser engraving machine is.
In summary, the invention has the following beneficial effects:
according to the invention, the database is established, the past engraving patterns are collected and stored in a classified mode, when drawing is carried out, the net points which can achieve similar effects are searched in the database, and the new effect patterns are achieved by adjusting the net points and combining the net points extracted from the database; the net points extracted from the database can be directly used, so that the drawing process is simplified and the drawing efficiency is improved.
Drawings
Fig. 1 is: the flow chart of the invention.
Detailed Description
Embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present disclosure will become readily apparent to those skilled in the art from the following disclosure, which describes embodiments of the present disclosure by way of specific examples. It will be apparent that the described embodiments are merely some, but not all embodiments of the present disclosure. The disclosure may be embodied or practiced in other different specific embodiments, and details within the subject specification may be modified or changed from various points of view and applications without departing from the spirit of the disclosure. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.
Example 1
A method for engraving printing roller dots comprises the following steps:
step 1, determining a sample draft: confirming an effect diagram of a client;
step 2, searching a database: searching a database according to the effect graph, and determining whether simulation net points for realizing the effect of the effect graph exist;
step 3, drawing: if the simulation net points for realizing the similar effect graph exist, taking four simulation net point models extracted from a database as basic net points, taking at least one basic net point as net point modules, adjusting the depth, gradient and arrangement layout of the basic net points of the new net point modules according to the effect graph, and taking at least one net point module as an engraving pattern;
step 4, laser direct engraving: performing screen dot carving on the surface of the processed plate roller, wherein at least two layers of screen dot carving are formed;
step 5, surface treatment: performing sand blasting on the surface of the plate roller;
step 6, storing: and storing the currently used engraving patterns into a database according to the dot structure, the simulation effect and the technological parameters to serve as simulation dots.
And in the step 4, the mesh points engraved by the second layer mesh points are covered on the mesh points engraved by the first layer mesh points.
In the step 3, when the number of the basic dots in the dot module is a plurality of, different basic dots in the same dot module have different depths and gradients; when the number of the dot modules is plural, different dot modules have different patterns and effects.
The depth and gradient of the mesh point engraved by the first layer mesh point are different from those of the mesh point engraved by the second layer mesh point.
In the step 5, after sand blasting treatment, a chromium layer with the hardness of 1000HV and the thickness of 35 mu m is plated on the surface of the plate roller.
The database includes a storage medium.
In the step 4, the deeper the depth of the mesh point is, the larger the power of the laser engraving machine is.
Example two
The present embodiment is different from the first embodiment in that:
step 3, drawing: taking a simulation net hole model extracted from a database as a basic net point, taking a basic net point as a net point module, adjusting the depth and gradient of the basic net point of the net point module according to the effect, and taking a net point module as an engraving pattern;
step 4, laser direct engraving: performing screen point engraving on the surface of the processed plate roller;
step 5, surface treatment: performing sand blasting on the surface of the plate roller;
in the step 4, the dots engraved by the second layer of dots are overlapped with the dots engraved by the first layer of dots.
In the step 5, after sand blasting treatment, a chromium layer with the hardness of 1100HV and the thickness of 50 mu m is plated on the surface of the plate roller.
Example III
A method for engraving printing roller dots comprises the following steps:
step 3, drawing, namely taking three simulation net hole models extracted from a database as basic net points, taking the three basic net points as net point modules, adjusting the depth, gradient and arrangement layout of the basic net points of the net point modules according to the effect, and taking the three net point modules as engraving patterns;
step 4, laser direct engraving: performing screen point engraving on the surface of the processed plate roller;
step 5, surface treatment: performing sand blasting on the surface of the plate roller;
in the step 4, a part of the dots engraved by the second layer of dots are covered on the dots engraved by the first layer of dots, and the other part of the dots are engraved in the blank between the dots engraved by the first layer of dots.
In the step 3, when the number of the basic dots in the dot module is three, different basic dots in the same dot module have different depths and gradients; the number of the dot modules is three, and different dot modules have different patterns and effects.
The depth and gradient of the mesh point engraved by the first layer mesh point are different from those of the mesh point engraved by the second layer mesh point.
In the step 5, after sand blasting treatment, a chromium layer with the hardness of 1050HV and the thickness of 45 mu m is plated on the surface of the plate roller.
In the description of the present invention, it should be understood that the terms "middle," "length," "upper," "lower," "front," "rear," "vertical," "horizontal," "inner," "outer," "radial," "circumferential," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "on" a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. The meaning of "a plurality of" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The above description is for the purpose of illustrating the embodiments of the present invention and is not to be construed as limiting the invention, but is intended to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. The engraving method of the plate roller mesh point is characterized by comprising the following steps of:
step 1, determining a sample draft: confirming an effect diagram of a client;
step 2, searching a database: searching a database according to the effect graph, and determining whether simulation net points for realizing the effect of the effect graph exist;
step 3, drawing: if the simulation net points for realizing the similar effect graph exist, at least one simulation net point model extracted from the database is taken as a basic net point, at least one basic net point is taken as a net point module, the depth, gradient and arrangement layout of the basic net points of the new net point module are adjusted according to the effect graph, and at least one net point module is taken as an engraving pattern;
if the simulation net points for realizing the similar effect graph do not exist, the effect graph is scanned and a new net point is manufactured, the depth, gradient and arrangement layout of the basic net points of the new net point module are adjusted according to the effect graph, and at least one net point module is used as an engraving pattern;
step 4, laser direct engraving: performing screen dot carving on the surface of the processed plate roller, wherein at least two layers of screen dot carving are formed;
step 5, surface treatment: performing sand blasting on the surface of the plate roller;
step 6, storing: and storing the currently used engraving patterns into a database according to the dot structure, the simulation effect and the technological parameters to serve as simulation dots.
2. The engraving method of printing roller dots according to claim 1, wherein the dots engraved by laser in step 4 are any one or a combination of at least two of the following:
the second layer of dots are covered on the dots engraved by the first layer of dots;
the second layer of dots are overlapped with the dots engraved by the first layer of dots;
the second layer is engraved in the blank between the dots engraved by the first layer of dots.
3. The method for engraving plate roller dots according to claim 1, wherein in the step 3, when the number of basic dots in a dot module is plural, different basic dots in the same dot module have different depths and slopes; when the number of the dot modules is plural, different dot modules have different patterns and effects.
4. The method for engraving dots on a plate roller according to claim 1, wherein the depth and gradient of the dots engraved by the first dot are different from those of the dots engraved by the second dot.
5. The engraving method of printing roller dots according to claim 1, wherein in the step 5, a chromium layer with a hardness of 1000-1100HV and a thickness of 35-50 μm is plated on the surface of the printing roller after the sand blasting treatment.
6. A method of engraving printing roller dots according to claim 1, wherein said database comprises a storage medium.
7. The method according to claim 1, wherein in the step 4, the deeper the dot depth is, the higher the power of the laser engraving machine is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310837730.6A CN116882165B (en) | 2023-07-07 | 2023-07-07 | Plate roller net point engraving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310837730.6A CN116882165B (en) | 2023-07-07 | 2023-07-07 | Plate roller net point engraving method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116882165A true CN116882165A (en) | 2023-10-13 |
| CN116882165B CN116882165B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310837730.6A Active CN116882165B (en) | 2023-07-07 | 2023-07-07 | Plate roller net point engraving method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602126A (en) * | 2012-03-29 | 2012-07-25 | 汕头市立成印刷制版厂有限公司 | Method for engraving gravure roller |
| CN107175890A (en) * | 2017-05-10 | 2017-09-19 | 上海运城制版有限公司 | A kind of laser aufhellung roller and its manufacture method |
| CN108803251A (en) * | 2018-06-15 | 2018-11-13 | 黄山精工凹印制版有限公司 | A kind of method for platemaking of gravure printing roller |
| CN110525015A (en) * | 2019-07-31 | 2019-12-03 | 长沙精达印刷制版有限公司 | A kind of set that plate making laser engraving is combined with electronic engraving carving method |
| CN113478092A (en) * | 2021-07-23 | 2021-10-08 | 深圳市智远数控有限公司 | Laser engraving method |
-
2023
- 2023-07-07 CN CN202310837730.6A patent/CN116882165B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602126A (en) * | 2012-03-29 | 2012-07-25 | 汕头市立成印刷制版厂有限公司 | Method for engraving gravure roller |
| CN107175890A (en) * | 2017-05-10 | 2017-09-19 | 上海运城制版有限公司 | A kind of laser aufhellung roller and its manufacture method |
| CN108803251A (en) * | 2018-06-15 | 2018-11-13 | 黄山精工凹印制版有限公司 | A kind of method for platemaking of gravure printing roller |
| CN110525015A (en) * | 2019-07-31 | 2019-12-03 | 长沙精达印刷制版有限公司 | A kind of set that plate making laser engraving is combined with electronic engraving carving method |
| CN113478092A (en) * | 2021-07-23 | 2021-10-08 | 深圳市智远数控有限公司 | Laser engraving method |
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| Publication number | Publication date |
|---|---|
| CN116882165B (en) | 2024-03-29 |
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