CN101890863A - Process for manufacturing copper or iron ore series of noble metal commemorative coins or medals and dies used thereby - Google Patents
Process for manufacturing copper or iron ore series of noble metal commemorative coins or medals and dies used thereby Download PDFInfo
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- CN101890863A CN101890863A CN2009100116539A CN200910011653A CN101890863A CN 101890863 A CN101890863 A CN 101890863A CN 2009100116539 A CN2009100116539 A CN 2009100116539A CN 200910011653 A CN200910011653 A CN 200910011653A CN 101890863 A CN101890863 A CN 101890863A
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Abstract
The invention relates to a process for manufacturing copper or iron ore series of noble metal commemorative coins or medals and dies used thereby. The process comprises the following steps: a) preprocessing and molding the blanks of copper or iron ore series of dies, namely, processing the basic profiles of the dies; b) designing the profile parameters of the copper or iron ore and the tri-dimensional curved surface on the surface of the copper or iron ore by a tri-dimensional relief design software; c) engraving the copper or iron ore series of dies by a control computer numerical (CNC) engraving machine via a converted engraving cutting path file; d) utilizing a lathe, a machining center and a linear cutting device to process out a punch and a die corresponding to each other, and punching blank cakes for copper or iron ore series of products; and f) processing copper or iron ore series of die bolsters by the linear cutting device based on the designed size, putting the dies into dies bolsters and carrying out stamping. The copper or iron ore series of noble metal commemorative coins or medals manufactured by the invention have the characteristic of good comprehensive benefits, such as stable quality, high yield, short processing period, low production cost, small raw material consumption and the like.
Description
Technical field
The present invention relates to the preparation method of a kind of noble metal commemorative coin or chapter, the manufacture craft of particularly a kind of commemorative coin of series of noble metal quickly or chapter and be used for the mould of this technology.
Background technology
Commemorative coin in the past or chapter, normally simple, regular circular product special-shaped commemorative coin or chapters such as picture is square, blossom type are also arranged, but product surface integral body present the plane, and curve is simple.Its conventional preparation method is to produce qualified product by sheet material towards operations such as cake, plain edge, annealing, polishing and impressions.Yet development along with situation, need the production profile is graceful more, shape is complicated more quickly serial commemorative coin or chapter, and this commemorative coin or chapter complex contour, the curved surface of product surface is difficult to processing, embossment requires again to distribute at curved surface, and simultaneously because distinctive metalline quickly, so require very strict to preparation technology.Preparation method and mould with routine are manufactured experimently this commemorative coin or chapter, its result causes mould embossment difficult quality guarantee, shortcomings such as product imprinted pattern line deficiency, especially in the process of processing mold surface curve and product impression, unaccommodated mould engraving can have a strong impact on anaglyph, causes existing unacceptable situation.Owing to there is above-mentioned all mass defect, those skilled in the art by analysis after, think that the manufacture craft that adopts commemorative coin of the prior art or chapter and employed mould are made quickly the series of noble metal commemorative coin or chapter is unfavorable, can not guarantee product quality.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, provide a kind of and can guarantee product quality, the qualification rate height, the process-cycle is short, the commemorative coin of series of noble metal quickly that production cost is low or the manufacture craft of chapter; Solved mould embossment difficult quality guarantee in the prior art, the problem of product imprinted pattern line deficiency.
Another object of the present invention provides the assembling die that manufacture craft a kind of and preparation the said goods is complementary.
The present invention is the manufacture craft of series of noble metal commemorative coin or chapter quickly, comprises the steps:
A, Mould design are made
A), by lathe, machining center will be quickly the blank preprocessing of mould be shaped, promptly process the basic profile of mould;
B), utilize three-dimensional embossed designs software, in computer, design quickly formal parameter and quickly the surface three-dimension curved surface:
C), the embossment file conversion that generates is become the engraving file, output to CNC engraving machines and carve out quickly following die and last die;
D), the following die that is engraved as and last die be through heat-treatment quenching, profile is accurately processed, surface sand-blasting, polishing are handled and are made into die and last die under the finished product that is used to impress product at last;
The making of B, base cake and die sleeve
A), according to appearance and size design to serial commemorative coin quickly, determine the size of corresponding base cake and die sleeve;
B), utilize lathe, machining center and linear cutting equipment to process corresponding punching pin and dash femalely, punching out is the base cake of series of products quickly;
C), the base cake is polished, polishes;
D), process quickly serial die sleeve according to design size, be used for impression with linear cutting equipment;
C, dress mold pressing seal
To descend die, base cake and the last die die sleeve of packing into successively, impress at marking press.
Described assembling die is made up of last die, following die and die sleeve, and the base cake places between die and the following die, and die sleeve is sleeved on down on the die.
Advantageous effect of the present invention is as follows:
The present invention uses the three-dimensional embossed designs software of Artcam engraving technology, adopts Mold Making technology reasonable, science, carries out abnormal curved surface Mold Making quickly, impress afterwards and form quickly noble metal commemorative coin or chapter, the outward appearance uniqueness, the curved surface streamline rises and falls freely, and the surface chart line is fine and smooth lively.Product figure line behind the impression is full, and quickly product surface curved surface embossment and curved edge are regular, reaches the quality requirement of series of noble metal commemorative coin quickly or chapter; Custom-designed in addition assembling die, through trial-production produce proof this quickly series of noble metal commemorative coin (chapter) preparation method have technology rationally, constant product quality, qualification rate height, the good characteristics of overall economic efficiency such as the process-cycle is short, production cost is low and the consumption of raw materials amount is little.Improve the application of coinage technology on the noble metal handicraft simultaneously.For a new process has been opened up in the similar commemorative coin of series of noble metal quickly (chapter) production from now on.
Description of drawings
Fig. 1 is the main view plane structural representation of series of noble metal commemorative coin or chapter quickly;
Fig. 2 is the structural representation of the assembling die of series of noble metal commemorative coin or chapter quickly.
Among the figure, 1, go up die, 2, die down.
The specific embodiment
Content of the present invention is described in detail by embodiment, does not limit but be not implemented example.
The inventive method quickly is an example with preparation 100g silver, and its appearance and size is 60mm * 35, the wide 25.64mm of waist, and length direction arc radius is 33.23mm, and cross direction arc radius is 54.64mm, and four jiaos of transition arc radius are 3.70mm.At first select according to the length and width parameter that designs, by three-dimensional embossed designs software, design generates the radius of length and width direction circular arc, and the transition arc radius that connects the length and width direction, forms 100g silver two dimensional surface appearance profile curve quickly.Seek waist cross section curve (curvilinear structures is seen Fig. 2) more respectively, select the circle of center one diameter 0.05mm quickly and appearance profile line as drive wire, select the cross section of waist section line simultaneously as the two-wire surface sweeping, choose stride between scanning and by the width convergent-divergent, to add up to compound mode, click to calculate, generate initial three-dimension curved surface embossment quickly, initial three-dimension curved surface through increasing, fairing, compression obtain three-dimension curved surface quickly after handling.To be added on silver surface quickly by the three-dimensional embossment that two-dimentional picture proof design generates again, and finish silver threedimensional model quickly and make; Import in the CNC engraving machines, generate engraving cutter track file, carve out silver mould quickly stage by stage by thick cutter to thin cutter (the graver point diameter is respectively 0.5mm, 0.2mm, 0.1mm); For make silver quickly just, back side mould with the design die sleeve be complementary, with silver quickly mould accurately be machined to long 59.8mm, the wide 25.24mm of waist, length direction arc radius is 33.60mm, cross direction arc radius is 53.04mm, the final profile of the 3.65mm that four jiaos of transition arc radius are; Select silver sheet material, with corresponding punching pin, go out to be of a size of 59.7mm * 25.14mm towards female punching out, length direction arc radius is 33.70mm, and cross direction arc radius is 52.84mm, and four jiaos of 3.62mm base cakes that transition arc radius is, polish at polishing; With silver quickly up and down die be installed in the marking press upper and lower respectively, die sleeve is enclosed within down on the die, the base cake is packed on time die, die sleeve is sleeved on outside it, impress on marking press, the result shows its finished product silver, and quickly full, the surface curve embossment of figure line and curved edge are regular, qualified warehouse-in.
Commemorative coin of series of noble metal quickly or chapter steady quality that the inventive method is made, the qualification rate height also is applicable to the commemorative coin of series of noble metal quickly or the manufacturing of chapter of other analogous shapes simultaneously.
Claims (4)
1. the manufacture craft of series of noble metal commemorative coin or chapter quickly is characterized in that comprising the steps:
A, Mould design are made
A), by lathe, machining center will be quickly the blank preprocessing of mould be shaped, promptly process the basic profile of mould;
B), utilize three-dimensional embossed designs software, in computer, design quickly formal parameter and quickly the surface three-dimension curved surface;
C), the embossment file conversion that generates is become the engraving file, output to CNC engraving machines and carve out quickly following die and last die;
D), the following die that is engraved as and last die be through heat-treatment quenching, profile is accurately processed, surface sand-blasting, polishing are handled and are made into die and last die under the finished product that is used to impress product at last;
The making of B, base cake and die sleeve
A), according to appearance and size design to serial commemorative coin quickly, determine the size of corresponding base cake and die sleeve;
B), utilize lathe, machining center and linear cutting equipment to process corresponding punching pin and dash femalely, punching out is the base cake of series of products quickly;
C), the base cake is polished, polishes;
D), process quickly serial die sleeve according to design size, be used for impression with linear cutting equipment;
C, dress mold pressing seal
To descend die, base cake and the last die die sleeve of packing into successively, impress at marking press.
2. the manufacture craft of commemorative coin of series of noble metal quickly according to claim 1 or chapter is characterized in that the three-dimensional embossed designs software of described utilization, and formal parameter and the quickly surperficial three-dimension curved surface designed in computer quickly comprise the steps:
1) makes quickly two-dimensional configuration outline curve and waist section line according to the parameter that designs;
2) make the circle of a diameter 0.05mm in center quickly, utilize two-wire surface sweeping function, select this circle and appearance profile line, select the cross section of waist section line simultaneously as the two-wire surface sweeping as drive wire;
3) choose stride between scanning and by the width convergent-divergent, adding up to compound mode, click and calculate, generate initial three-dimension curved surface embossment quickly;
4) embossment that generates is increased, the corner angle of three-dimension curved surface are quickly partly carried out fairing processing, recompress afterwards, promptly finished the making of curved surface threedimensional model quickly to design size.
3. the manufacture craft of commemorative coin of series of noble metal quickly according to claim 2 or chapter, the making that it is characterized in that described two-dimensional configuration outline curve quickly comprises the steps: according to the length and width parameter that designs, by three-dimensional embossed designs software, design generates the radius of length and width direction circular arc, and the transition arc radius that connects the length and width direction.
4. the assembling die that is used for the manufacture craft of claim 1 described series of noble metal quickly commemorative coin or chapter is characterized in that being made up of last die, following die and die sleeve, and the base cake places between die and the following die, and die sleeve is sleeved on down on the die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100116539A CN101890863B (en) | 2009-05-21 | 2009-05-21 | Manufacturing process of collar series precious metal commemorative coin or badge and mold used for process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100116539A CN101890863B (en) | 2009-05-21 | 2009-05-21 | Manufacturing process of collar series precious metal commemorative coin or badge and mold used for process |
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| CN101890863A true CN101890863A (en) | 2010-11-24 |
| CN101890863B CN101890863B (en) | 2012-05-02 |
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| CN2009100116539A Active CN101890863B (en) | 2009-05-21 | 2009-05-21 | Manufacturing process of collar series precious metal commemorative coin or badge and mold used for process |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582337A (en) * | 2011-01-18 | 2012-07-18 | 上海造币有限公司 | Manufacturing method for thin-type large-size high-relief commemorative coin (medallion) |
| CN103395326A (en) * | 2013-07-30 | 2013-11-20 | 郝晓婷 | Roller forming process of papered labels |
| CN104223610A (en) * | 2013-06-21 | 2014-12-24 | 镇江江城金属制品有限公司 | Method for making punched badge |
| CN109968850A (en) * | 2019-01-31 | 2019-07-05 | 上海造币有限公司 | A high-speed positioning color printing method for metal coin stamps |
| CN110712443A (en) * | 2019-10-12 | 2020-01-21 | 成都印钞有限公司 | Concave-convex texture mold and manufacturing method and application thereof |
| CN111016507A (en) * | 2019-12-28 | 2020-04-17 | 万力轮胎股份有限公司 | Engraving machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3848312A (en) * | 1973-09-18 | 1974-11-19 | Franklin Mint Corp | Method of producing a metal object with high relief and having a proof finish from powdered metal |
| DE4035738A1 (en) * | 1990-11-09 | 1992-05-14 | Deutsche Nickel Ag | METHOD FOR PRODUCING TWO-PIECE COIN BLANKS AND LIKE COIN BLANK |
| CN1340421A (en) * | 2000-08-29 | 2002-03-20 | 沈阳造币厂 | Gold coin with single-surface inlay silverring and its making method |
| CN100443251C (en) * | 2005-09-22 | 2008-12-17 | 中国印钞造币总公司 | Method for making large-dimension holed memorial coin (medal) and die thereof |
| CN101219007A (en) * | 2007-01-13 | 2008-07-16 | 中国印钞造币总公司 | Specie money, commemorative coin, memorial tablet and production method thereof |
-
2009
- 2009-05-21 CN CN2009100116539A patent/CN101890863B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582337A (en) * | 2011-01-18 | 2012-07-18 | 上海造币有限公司 | Manufacturing method for thin-type large-size high-relief commemorative coin (medallion) |
| CN102582337B (en) * | 2011-01-18 | 2015-04-08 | 上海造币有限公司 | Manufacturing method for thin-type large-size high-relief commemorative coin (medallion) |
| CN104223610A (en) * | 2013-06-21 | 2014-12-24 | 镇江江城金属制品有限公司 | Method for making punched badge |
| CN103395326A (en) * | 2013-07-30 | 2013-11-20 | 郝晓婷 | Roller forming process of papered labels |
| CN103395326B (en) * | 2013-07-30 | 2015-11-25 | 郝晓婷 | A kind of label flow forming process made of paper |
| CN109968850A (en) * | 2019-01-31 | 2019-07-05 | 上海造币有限公司 | A high-speed positioning color printing method for metal coin stamps |
| CN109968850B (en) * | 2019-01-31 | 2021-08-03 | 上海造币有限公司 | A high-speed positioning color printing method for metal coin stamps |
| CN110712443A (en) * | 2019-10-12 | 2020-01-21 | 成都印钞有限公司 | Concave-convex texture mold and manufacturing method and application thereof |
| CN110712443B (en) * | 2019-10-12 | 2021-12-14 | 成都印钞有限公司 | Concave-convex texture mold and manufacturing method and application thereof |
| CN111016507A (en) * | 2019-12-28 | 2020-04-17 | 万力轮胎股份有限公司 | Engraving machine |
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| Publication number | Publication date |
|---|---|
| CN101890863B (en) | 2012-05-02 |
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Address after: 100044 Beijing city Xicheng District Xizhimen Street No. 143 triumph building Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 100044 Beijing city Xicheng District Xizhimen Street No. 143 Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |