TW525371B - A method of forming a metal statuette of a three-dimensional object - Google Patents

Abstract

A method of forming a gold statuette of a three-dimensional object, e.g. a man, is disclosed as including the steps of (1) scanning the man with scanning means to obtain data on his contour and shape; (2) inputting the data into a computer, (3) based on the data inputted into the computer, displaying a virtual three-dimensional image of the man on a monitor of the computer; (4) providing an epoxy resin prototype of the man by a sculpturing (5) providing silicon rubber mould-halves on the basis of the epoxy resin prototype; (6) proving a wax prototype on the basis of the silicon rubber mould-halves; (7) casting gold onto the wax prototype; (8) removing the wax, in which the scanning means revolves around the man to scan his contour and shape.

Description

525371 V. Description of the invention (1) The present invention relates to a method for forming a three-dimensional space metal and gold figurine. According to the present invention, a method of forming a three-dimensional figurine is proposed here. The complex sentence is very rich, "," ~ Rabbits ", and the following steps are used to scan: The object obtains information about the object's outline and appearance; (b) is input to a computer; (c) Based on the information of the input computer, g ^ two computer-controlled engraving machines provide an epoxy resin of the object 9 prototype; (d) providing a silicone rubber model based on the epoxy resin prototype; (❻ providing a wax prototype based on the silicon = rubber model; (f) casting metal on the wax prototype; and (g) removing Waxy, the method is characterized in that the scanning device rotates around the object to scan the outline of the object during scanning. Tian will now explain by an example and with reference to the attached drawings, where: 〆 ° The first picture is A side view of a platform used in a scanning program; the second image is a simplified diagram of the operation principle of the scanner; and the third image is a one; the business is used to trace you & 204 one-way mirror 102, 304 :: base 206 Mirror 104 Solid floor 208 Charge-coupled element 106 Shaft 300 Sand blasting machine 108 Ascending platform 302 Body 110 Rotating arm 306 Sand blasting chamber 112 Vertical arm 308 Two gloves 114 Device platform 310, • 316:: Opening 116:: Scanner 312:: Nozzle

Page 5 525371 V. Description of the invention (2) 2 02: Laser tube 314: Window 2 0 3: Object 3 1 8: Air supply hose Suitable for scanning objects, obtaining and storing relevant information, and then using the information The system for making the statue in the end can be a 3030 digital converter sold by Cyberware. This system includes a computer software named Scan, named Echo, and computer software named CySurf ". As shown in the first figure, a scanning system working platform is generally indicated by 〇〇〇, and includes a base 102 placed on a solid floor 104. Connected to the base Ϊ 02 via a shaft 106 is an ascending platform 108. The scanned object, such as a person, may be on the platform 108 for scanning. Horizontally attached to the shaft 106 is a rotating arm 110. A vertical arm 112 is attached to the rotating arm 11 (). The upper part fixes a device platform 114, and a scanner 116 (on / virtual line =) can be connected thereto. The scanner 116 is connected to a computer (not shown) with echo software installed to store and use the data obtained from the scanner 丨 6. The second figure briefly shows the operation principle of the scanner 116. A laser tube 202 produces a 迢 laser, which points at the object 203 to be scanned. The laser reflected from the object 203 is received through two viewpoints located at equal angles on both sides of the light source. A beam is scattered (for example, a one-way mirror 204) to overlap the two images, so that the-side is covered, and the other side will normally contain the necessary data. Cry right

Several mirrors 20 6 are provided in U6 to direct the laser light to the appropriate target. Second, the reflected laser light is finally received by a camera lens and a charge point 208 after reflection. ° T

525371 V. Description of Invention (4) Production. The Saisef data conversion computer program is also used to read the data 'color scan from the echo computer software, and generate corresponding colors and buffer texture maps (bump texture maps). In particular, further use of the image may be effected by the software to correct the image. Many different commands may be input by a mouse or keyboard to analyze and use the image. Such use may include scaling, trimming, or smoothing the image. This function can be used to adjust the person's smile or hairstyle, as shown in the image, which will also be reflected in the statue after completion. The result data was also converted by the Seth computer software into a three-dimensional lithographic printing device (Stereo,

Lithography Apparatus, SLA).

* Based on the result data stored in the computer of the aforementioned scanning system, and as shown on f ^ ^, a three-dimensional lithographic printing device (SLA) is used to engrav one = oxygen resin prototype. Epoxy resin is a material approved for use in this machine. Suitable stereolithographic printing devices can be model 500 sold by 3D Systems (3D jystems), which is controlled by MaestroTM registered trademark computer software sold by 3D Systems. .口 如 如 ^ ί 石 ^ Printing is the third production of a solid plastic model * ;. The data obtained in the scanning process is converted into two-dimensional engravings ::

Installed in the relocation structure station. Iron connection, J thin section cut. . The blade (siiced) becomes a very device construction station / 荦 = applied to three-dimensional lithographic printing, the strong ultraviolet (uv) energy is transmitted by the-computer's thunder system made by the Prophet tracing system, a liquid epoxy resin ^ 25371 V. Description of the invention (5) The top of the vat is moved. Special, echo, and, Saisefing Yu, obtained from the aforementioned scanning procedure and used by the printing apparatus: ^ system] material: beam and beam The liquid epoxy resin is deflected to the mirror η ::. Evil is transformed into a solid state. When the epoxy resin is liquid, it is ready to be connected. After the completion of the first layer, the elevator will zero the newly formed sound into the profile and return. To the correct height to wait for the next reed. 鈇 成 = liquid resin owed to the top of the vat of the vat to a suitable thickness; flat = ::: sweeping blade will be in the out, stop. Then remove and; dryness =; oxygen most ; Latonian external energy irradiation, complete-the polymerization process. ', Mold based on the strength and then the epoxy prototype. Each -half phantom has a concave surface. When the half body ΐ: i ί ΐ When aligned, its combination constitutes the same as the original epoxy resin; the same mesh or approximately the same inner space . Then fill or inject wax into the inner cavity formed by the silicone rubber phantom. After the wax is dried, remove the silicone rubber phantom to take a wax prototype. Then polish the wax prototype with a polishing machine. You can also manually Make a small adjustment to the soil prototype. After the butterfly prototype is finished, paint silver on the exterior surface. Then electroplate a copper layer on the prototype. This step takes about five hours. Then sulphuric acid and steam Rinse the butterfly prototype with water. Then rinse with distilled water to remove any remaining acidic material. Then insert the wax prototype into an electroforming mold, and electroform it for about twenty hours in the groove to place it on the surface of the prototype. Deposit gold. The second machine can be Japan's Yamashita Electric Co., Ltd. (Sansha,

Electric Mfg. Co., Ltd. of Japan) under SanRex DC AUTO

525371 V. Machines sold under the name of Invention Description (6) (registered trademark). # Huajin, atmospheric chemical unloading, 'purifying agent, a power ore solution and the charging agent can be Chattermate International Limited (Chartermate ,, the purification

Internatl〇nal umited), elconel 100, and the electroplating solution can be eli coupon fresh „M, w, Xi ,, FiTY " / Kai Wu (Ellx Chemie) sold in the electricity 'program, cyanation The gold is converted into gold for the mold. The amount of the chemical must be sufficient for the entire electroforming process ^. Therefore, the entire electroforming process requires a variety of different decisions and calculations. A technician reviews the electroforming steps for at least an hour It works as expected.-Man M, after the electroforming step, make a hole in the bottom part of the statue, for example, by drilling. Then the entire statue is heated in water to dissolve part of the wax. The pores flow out. Then the statue is treated in a dewaxing solution such as Sanqi Ethylene to remove the remaining wax. Then the statue is washed with water to remove the vinyl chloride. The statue is then heated in hydrochloric acid and water to remove the remaining dichloroethylene. The statue was then heated in nitric acid and water to remove the copper. After the copper was removed, the statue was washed with water. The statue was then placed in two tanks of hot water for about fifteen minutes to remove the nitric acid. The heated statue was washed with nitric acid and water. The statue was then placed in an oven at a temperature of about 500 t: for about twenty minutes. The statue was then polished with a polishing machine 'and further smaller The adjustment of the amplitude may be performed manually by a technician. The statue is then sandblasted with abrasive by a sandblasting machine to enhance its appearance. A suitable sandblasting machine may be Vapomat Ltd.

Limited), which is sold by Vapormate Corporation 2/7. As shown in the third picture

Page 10 525371

One of the sandblasting machines shown as 300 on the body includes a body 302 with a base 304 and a sandblasting room 306 that can be extended into two gloves 308. The operator's hand (not shown) can pass through the opening 310 of the glove 308 to operate the object f (not shown) in the chamber 306, and operate a nozzle 312. For protection purposes, a window 3 1 4 can be used to close to 3 06, for example, it can be pivoted. The windows 3 i 4 are also transparent, thereby allowing the operator to observe and monitor the blasting process in the room 306. An opening 316 is provided at the front end of the nozzle 312. The nozzle 312 has a rear end connected to an air supply hose 318 and an abrasive supply hose, and the two supply air and abrasive to the nozzle 312. Therefore, an abrasive can be reached from the nozzle 312 through its opening 316 for use in the grinding process. An operator can hold the statue to sandblast (set if the weight of the statue is light enough), and another glove 308 holds the nozzle 312, and the abrasive is from the nozzle 312 surface of the statue. The heavier statue can be placed in the room 306 branch = = The abrasive is pointed at the statue according to law. The working pressure of the nozzle 312 is generally between 20 and 80 pounds per square. The surface processing of the statue depends on the following three factors: (1) the working pressure of spraying% 12; (ii) the grinding used Material type; and (iu) the distance and angle of the spray to the statue. The legitimacy between the nozzle 312 and the statue is usually in the range of 50 to 150 mm. Hang E m pass

The statue was then heated in the fire until it became red. It is washed in-tank hydrochloric acid, and then washed with distilled water; Then the statue was immersed in a bath of hot water and fatty white, earth, cut: no ornaments and washed with steamed water. And fat t or wash ㈣η, with

Page 11 525371 V. Description of the invention (8) For final polishing, it is possible to use agate or steel to squeeze the expected shiny area until it becomes shiny. After this step, the statue was washed again with hot water and subsequently cleaned with steam. Then put the statue into the oven to dry it at a temperature of about 30 ° C. It should be understood here that the above description is only an illustration of an example in which the present invention can be implemented, so it is possible to make many kinds without departing from the spirit of the present invention. Different modifications and variants.

Page 12

Claims (1)

525371 _Case No. 88102202_Year_Month__ Sixth, the scope of patent application on the wax prototype. 8. The method of item 1 in the scope of the patent application, characterized in that the wax removal step includes the following steps: (h) making a hole in the bottom of the metal statue; and (i) making the metal statue a termiticide The solution was heated. 9. The method according to item 8 of the patent application, characterized in that the wax remover is trichloroethylene. 10. The method according to item 9 of the patent application scope, further comprising the steps of (j) treating the metal statue with hydrochloric acid; and (k) washing the metal statue with distilled water. 11. The method of claim 9 further includes (1) a step of treating the metal statue with nitric acid. 12. The method of claim 10, further comprising the step of drying the metal statue in an oven. 13. The method of item 1 in the scope of patent application, which includes the following steps: (m) storing the computer's information in step (b) in the computer; (η) entering instructions in the computer to modify the computer The data and the virtual three-dimensional space image displayed on the computer image display unit by this change '(0) provide the epoxy resin prototype according to the modified data in step (η). Page 14 2002.10.30.014