CN109848570A - Laser blasting method applied to noble metal commemorative coin - Google Patents
Laser blasting method applied to noble metal commemorative coin Download PDFInfo
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- CN109848570A CN109848570A CN201811651226.2A CN201811651226A CN109848570A CN 109848570 A CN109848570 A CN 109848570A CN 201811651226 A CN201811651226 A CN 201811651226A CN 109848570 A CN109848570 A CN 109848570A
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Abstract
The present invention relates to the laser blasting methods for being applied to noble metal commemorative coin, including realizing fade effect and realizing two kinds of laser blasting methods of plane visual three-dimensional embossment antifalse effect, pass through production gradual change map and the embossment figure with line of vector, it is then converted into laser file, input laser etching machine carries out sandblasting.Beneficial effects of the present invention: laser gradual change sandblasting can replace manual gradual change sandblasting, guarantee the consistency and qualification rate of mold effect, and 10 times of improved efficiency or more, and the service life of laser sandblasting is longer compared with manual sandblasting；Plane visual three-dimensional embossment is anti-fake can be in the visual effect of Planar realization three-dimensional, it can also reinforce stereoscopic effect on thin embossment, keep the stereovision, three-dimensional sense and artistic effect of mold stronger, to keep noble metal products more rich and splendid, the insertion that anti-counterfeiting technology may be implemented simultaneously uses, and keeps fake producer extremely difficult to forge.
Description
Technical field
The present invention relates to a kind of laser blasting methods, more particularly, to a kind of laser sandblasting applied to noble metal commemorative coin
Method.
Background technique
In order to realize the fade effect of noble metal commemorative coin, country mint is using traditional-handwork sandblasting skill at present
Art carries out two in sandblasting face according to picture proof content by special tool(s)s such as scriber, Rubber end, small wood, toothpick, blades after sandblasting
The gradual change sandblasting effect of needs is realized in secondary processing, this crosses range request operator with certain art accomplishment and mold hand carving
Experience, skill requirement is higher, and working efficiency is low, and faced with this situation, Shenyang Mint Factory is developed a kind of based on laser etching machine
Laser blasting method, to solve the above problems.
On this basis, by constantly practicing and studying, noble metal commemorative coin is also able to achieve using laser blasting method
Plane visual three-dimensional embossment antifalse effect, principle are to produce eyes by the variation of change and line width to laser path line
The 3-D effect of plastic relief is presented in plane to realize in raw illusion.Though bill industry has answering for similar such optical effect
With, but realized by the version streakline arrangement of printing, it is different from laser sandblasting principle and method, and the broad perspectives of version streakline
It is more apparent, it can be seen that the shape of every line, and laser sandblasting has microcosmic property, randomness, the anti-fake spy of anti-scanning anti-copying
Space of seeking peace is larger.
Summary of the invention
To solve the above-mentioned problems, present invention aims to overcome that technological deficiency, provides a kind of applied to noble metal souvenir
The laser blasting method of coin, its technical solution is as follows:
Applied to the laser blasting method of noble metal commemorative coin, the laser blasting method including realizing fade effect, including it is following
Step:
A, grayscale image is made by embossment file and expected artistic effect；
B, the gradual change base map of laser sandblasting is made according to grayscale image；
C, it is set using Basis of Laser unit and the analysis of hot spot structure change is foundation, gradual change base map is transformed into and meets laser erosion
Quarter the binary coding that can be used of machine, generate laser file；
D, laser file is inputted into laser etching machine, adjusts the parameter of laser etching machine, then carries out sandblasting.
Realize that gradual change base map described in the laser blasting method step b of fade effect must be according to the wave of laser etching machine
Shape, power, speed, the parameters such as frequency carry out dot matrix processing, allow laser facula can reasonable position carry out laser impact from
And achieve the effect that laser gradual change.
Applied to the laser blasting method of noble metal commemorative coin, including realizing swashing for plane visual three-dimensional embossment antifalse effect
Light blasting method, comprising the following steps:
A, plan view is made；
B, embossment file is made on the basis of plan view；
C, line of vector is made in embossment file basis；
D, adjusting and optimizing line of vector；
E, anti-counterfeiting mark is embedded in line of vector；
F, it is set using Basis of Laser unit and the analysis of hot spot structure change is foundation, embossment figure is transformed into and meets laser-induced thermal etching
The binary coding that machine can be used generates laser file；
G, laser file is inputted into laser etching machine, adjusts the parameter of laser etching machine, then carries out sandblasting.
The arrangement of line of vector described in the laser blasting method step c of realization plane visual three-dimensional embossment antifalse effect,
The spacing of thickness, the shape of line and line and line is all randomly generated.
Realize that insertion anti-counterfeiting mark described in the laser blasting method step e of plane visual three-dimensional embossment antifalse effect is
Miniature character.
Beneficial effects of the present invention: laser gradual change sandblasting can replace manual gradual change sandblasting, guarantee the consistent of mold effect
Property and qualification rate, 10 times of improved efficiency or more, and the service life of laser sandblasting is longer compared with manual sandblasting；Plane visual three-dimensional embossment is anti-
Puppet can also reinforce stereoscopic effect on thin embossment in the visual effect of Planar realization three-dimensional, make stereovision, the solid of mold
Sense and artistic effect are stronger, to keep noble metal products more rich and splendid, while the insertion of anti-counterfeiting technology may be implemented
It uses, keeps fake producer extremely difficult to forge.
Specific embodiment
The present invention is described in detail with reference to embodiments
Embodiment 1
Laser gradual change sandblasting is the fundamental unit with laser facula as laser, by control hot spot track and energy to
Realize the sandblasting effect of different gray scales and form.Specific step is as follows for the laser blasting method of realization fade effect:
A, grayscale image is determined by embossment file and expected artistic effect, the gray level image of production be it is special, it is complete with embossment
Beauty combines, and no matter positions or the artistic effect of image will sufficiently be met the requirements.It is different from the performance of any drawing
Form；
B, the gradual change base map of laser sandblasting is made according to grayscale image, production base map must be according to the waveform of laser machine, power, speed
Degree, the parameters such as frequency carry out dot matrix processing, allow laser facula that can carry out laser impact in reasonable position to reach laser
The effect of gradual change；
C, it is set using Basis of Laser unit and the analysis of hot spot structure change is foundation, the gradual change base map file of sandblasting is transformed into
Meet the binary coding that laser machine can be used, the impact effect of laser controlled by the binary coding of several kilomegabits,
Generate laser file；
D, laser file is inputted into laser etching machine, adjusts the parameter of laser etching machine, then carries out sandblasting.
The laser blasting method for realizing fade effect, can be not only used for plane, can more apply in certain altitude
On embossment, and gradual change sandblasting can also be realized for animal, personage and the biggish main anaglyph of some gradual change difficulty, but need
Pay attention to influence of the relief height to gradual change sandblasting, due to laser light spot intensity such as double cone body, middle position power is most strong, more past
Downward shift power is weaker, then laser will receive and significantly decay when relief height is excessively high, desired swashs to be not achieved
The effect of light gradual change, so laser gradual change sandblasting is suitable for the embossment in plane or certain altitude, specific height is according to equipment
Focal range depending on.
Embodiment 2
Realize the laser blasting method of plane visual three-dimensional embossment antifalse effect, detailed process is as follows:
A, plan view is made；
B, embossment figure is made on the basis of plan view；
C, line of vector is made on the basis of embossment figure, the excellent arrangement of line of vector, thickness, spacing of the shape of line and line and line etc. are all
It is random unique, and can not propose out by photomicrograph, the precision and possibility of imitation are extremely low.
D, adjusting and optimizing line of vector；
E, it is embedded in anti-counterfeiting mark in line of vector arrangement, such as the insertion of " syzb " microfilm of characters.
F, it is set using Basis of Laser unit and the analysis of hot spot structure change is foundation, embossment figure is transformed into and meets laser
The binary coding that etching machine can be used generates laser file；
G, laser file is inputted into laser etching machine, adjusts the parameter of laser etching machine, then carries out sandblasting.
Plane visual three-dimensional embossment anti-counterfeiting technology advantage is the stochastic pattern of the figure streakline item made, he is not simple one
It plants effect but a frame, numerous anti-counterfeiting technologies can be fused in 3 D visual embossment, keep fake producer extremely difficult to forge.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any label in claim should not be construed as limiting the claims involved.
Claims (5)
1. it is applied to the laser blasting method of noble metal commemorative coin, the laser blasting method including realizing fade effect, feature
Be the following steps are included:
A, grayscale image is made by embossment figure and expected artistic effect；
B, the gradual change base map of laser sandblasting is made according to grayscale image；
C, it is set using Basis of Laser unit and the analysis of hot spot structure change is foundation, gradual change base map is transformed into and meets laser erosion
Quarter the binary coding that can be used of machine, generate laser file；
D, laser file is inputted into laser etching machine, adjusts the parameter of laser etching machine, then carries out sandblasting.
2. the laser blasting method according to claim 1 for realizing fade effect, it is characterised in that described in step b gradually
Becoming base map must be according to the waveform of laser etching machine, power, speed, and the parameters such as frequency carry out dot matrix processing, allows laser facula energy
Laser impact is carried out in reasonable position to achieve the effect that laser gradual change.
3. being applied to the laser blasting method of noble metal commemorative coin, the laser including realizing plane visual three-dimensional embossment antifalse effect
Blasting method, it is characterised in that the following steps are included:
A, plan view is made；
B, embossment figure is made on the basis of plan view；
C, line of vector is made on the basis of embossment figure；
D, adjusting and optimizing line of vector；
E, anti-counterfeiting mark is embedded in line of vector；
F, it is set using Basis of Laser unit and the analysis of hot spot structure change is foundation, embossment figure is transformed into and meets laser-induced thermal etching
The binary coding that machine can be used generates laser file；
G, laser file is inputted into laser etching machine, adjusts the parameter of laser etching machine, then carries out sandblasting.
4. according to the laser blasting method as claimed in claim 3 for realizing fade effect, it is characterised in that vector described in step c
Arrangement, thickness, the shape of line and the line of line and the spacing of line are all randomly generated.
5. according to the laser blasting method as claimed in claim 3 for realizing fade effect, it is characterised in that insertion described in step e
Anti-counterfeiting mark is miniature character.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651226.2A CN109848570A (en) | 2018-12-31 | 2018-12-31 | Laser blasting method applied to noble metal commemorative coin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811651226.2A CN109848570A (en) | 2018-12-31 | 2018-12-31 | Laser blasting method applied to noble metal commemorative coin |
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| CN109848570A true CN109848570A (en) | 2019-06-07 |
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| CN201811651226.2A Pending CN109848570A (en) | 2018-12-31 | 2018-12-31 | Laser blasting method applied to noble metal commemorative coin |
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| EP0558202A1 (en) * | 1992-02-25 | 1993-09-01 | International Business Machines Corporation | Magnetic head slider fabrication |
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| CN1861421A (en) * | 2006-06-12 | 2006-11-15 | 吴旭浩 | Method of laminated carving pattern using laser |
| CN102511977A (en) * | 2011-12-20 | 2012-06-27 | 上海造币有限公司 | Noble metal coin with transparent anti-counterfeit window, and manufacturing technology thereof |
| CN106054294A (en) * | 2016-04-29 | 2016-10-26 | 沈阳造币有限公司 | Metal coin or stamp with DOE (Diffraction Optical Element) anti-counterfeit pattern and manufacturing method thereof |
| CN107610125A (en) * | 2017-10-16 | 2018-01-19 | 云南电网有限责任公司临沧供电局 | A kind of long distance laser derusting monitoring in real time and feedback method, apparatus and system |
| CN108790560A (en) * | 2018-07-12 | 2018-11-13 | 浙江银拓文化有限公司 | A kind of processing method of noble metal commemorative coin |
-
2018
- 2018-12-31 CN CN201811651226.2A patent/CN109848570A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0558202A1 (en) * | 1992-02-25 | 1993-09-01 | International Business Machines Corporation | Magnetic head slider fabrication |
| CN2247070Y (en) * | 1995-12-07 | 1997-02-12 | 中国科学院力学研究所 | Numerically controlled laser graphic machining system |
| CN1861421A (en) * | 2006-06-12 | 2006-11-15 | 吴旭浩 | Method of laminated carving pattern using laser |
| CN102511977A (en) * | 2011-12-20 | 2012-06-27 | 上海造币有限公司 | Noble metal coin with transparent anti-counterfeit window, and manufacturing technology thereof |
| CN106054294A (en) * | 2016-04-29 | 2016-10-26 | 沈阳造币有限公司 | Metal coin or stamp with DOE (Diffraction Optical Element) anti-counterfeit pattern and manufacturing method thereof |
| CN107610125A (en) * | 2017-10-16 | 2018-01-19 | 云南电网有限责任公司临沧供电局 | A kind of long distance laser derusting monitoring in real time and feedback method, apparatus and system |
| CN108790560A (en) * | 2018-07-12 | 2018-11-13 | 浙江银拓文化有限公司 | A kind of processing method of noble metal commemorative coin |
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Application publication date: 20190607 |