KR19980043568A - Manufacturing method of figure relief by electric casting - Google Patents

Abstract

The present invention can be mounted on the walls of homes and offices, on the cornerstones of large museums, library buildings, on gravestones and topstones of graveyards, and on each box of the ossuary. It is completed as the first process of producing rubber engravings, the second process of electroforming, the third process of coloring and gold plating, and the fourth process of making and mounting frames, as widely available as educational and educational dimensions. As a figure relief, it is installed on the walls of homes and offices, the cornerstones of large museums, libraries, gravestones and statues of graveyards, and each box per ossuary to express the aesthetics of sculptures so that the past history can be recalled.

Description

Manufacturing method of figure relief by electric casting

The present invention relates to a manufacturing method of the character relief by electroforming, and more particularly, it is possible to industrially mass-produce the character relief by artistic techniques, thereby enabling the mass supply of works with molding beauty at low cost. .

Relief statues celebrate the achievements and contributions of gods, saints, generations of kings, great men, generals or ancestors, scholars, founders, seniors, and fellows by engraving the faces of bronze, stone, plaster, wood, etc. It is intended to be an educational example for future generations.

However, these sculptures cannot be portrayed as they are not sculptors or master craftsmen, making them long and expensive.

Thus, when replacing as a general picture, it is insufficient to give a response to a person who does not have a three-dimensional effect.

The present invention provides a first process for producing rubber engravings, a second process for electroforming, a third process for coloring and gold plating, and a manufacturing and mounting frame for producing such figures. It is completed as a four-step process, and this figure is used as a relief for the walls of homes and offices, the cornerstones of large museums and libraries, the gravestones and statues of graveyards, and the crests of each ossuary. To do it.

Hereinafter, the configuration and operation of the present invention will be described in detail with reference to the manufacturing process of the embodiment as follows.

First Process: Rubber Engraving

(1) Embossed figures relief is made of clay or plaster on square (approx. 40cm × 50cm) or oval structure.

(2) Pour silicone liquid rubber and liquid epoxy into the embossed reliefs and cure them, then peel off the solidified mold to produce the relief relief.

2nd process: electroforming

(1) Clean the casting object.

(2) To give conductivity to the cast object

『1』 sensitivity treatment

Treatment liquid composition

SnCl ₂ 2H ₂ O (1 st tin chloride): 4 g / l

HCl (green hydrochloric acid): 10 mg / l

『2』 activation process

Treatment liquid composition

Dissolve AgNO ₃ (silver nitrate) in NH ₄ OH (ammonia) solution.

『3』 chemical copper plating

Treatment liquid composition

(1 solution): CuSO ₄ (copper sulfate): 35 g / l

NaOH (sodium hydroxide): 50 g / l

C ₄ H ₄ KNaO ₆ 4H ₂ O (Moxel salt): 170 g / l

(Two liquid): 37% of formalin

Treatment method: The ratio of 1 liquid and 2 liquid is 5: 1, and immersed for 3 to 5 minutes.

(3) Primary electroplating

Liquid composition

CuSO ₄ 5H ₂ O (copper sulfate): 50 g / l

H ₂ SO ₄ (sulfuric acid): 20 g / l

Polish: Small amount

Treatment method: 2 ~ 5 minutes at low current density (0.5 ~ 1.5A / dm).

(4) secondary copper plating

Liquid composition

CuSO ₄ 5H ₂ O (copper sulfate): 250 g / l

H ₂ SO ₄ (sulfuric acid): 10-50 g / l

Treatment Method: Stop

Temperature: Room temperature

Current density: 2 ~ 4A / dm

Processing time: 1 to 48 hours

Duty ratio: 18: 6

Rectifier used: Use of convertible rectifier with duty ratio to obtain the same thickness of film in high current and low current sections

(5) peeling and first plating

Coin liquor products peeled from the rubber mold are bent or welded with rings and decorations, and are made clean and smooth by the third copper plating.

3rd process: tinted and gold plated

The reddish color product produced by electroforming is colored or gold plated by the following method.

(1) coloring

Liquid composition

Cu (NO ₃ ) ₂ 3H ₂ O (copper nitrate): 30 g

NACl (sodium chloride): 30 g

NH ₄ Cl (ammonium chloride): 15 g

K ₂ Al ₂ (SO ₄ ) ₂ 24H ₂ O (color alum): 7 g

CH ₃ COOH (6%) (glacial acetic acid): 1 l

Treatment method: The composition is heated to 80 ~ 90 ℃ 10 minutes after drying to process

(2) gold plating

Liquid composition

KAu (CN) ₂ (gold cyanide): 12 g / l

C ₆ H ₅ Na ₃ O _{7 2} H ₂ O (citrate): 90 g / l

Temperature: 25-25 degrees Celsius

Voltage: 2 ~ 5VOLT

Current Density: 1.0 ~ 2.5A / dm

PH: 3.0 ~ 3.5

Anode: platinum plate rhodium plating T; Mans

4th step: production and installation of photo frame

The figure top part produced by the said 1st-3rd process is put into a frame, and is completed.

The present invention as described above can be mounted on the walls of homes and offices, on the cornerstones of large museum libraries, on gravestones and headstones of graveyards, and on individual boxes per ossuary, which can be viewed as a realistic sense of the figure. It can be distributed to the public as a memorial and educational dimension.

Claims (2)

Completed as the first process of producing rubber engravings, the second process of electroforming, the third process of coloring and gold plating, and the fourth process of making and mounting picture frames for the production of figure reliefs in a scientific and technical way. Method of producing a character image relief by electroforming, characterized in that it is. Embossed reliefs are made of clay or gypsum on a square (approx. 40cm × 50cm) or oval structure, and the silicone relief rubber and liquid epoxy are hardened by curing the embossed reliefs. The first step of manufacturing the reliefs of Clean the casting and impart conductivity to the casting 『1』 Susceptible treatment solution composition SnCl ₂ 2H ₂ O (1 st tin chloride): 4 g / l, HCl (chlorochloric acid): 10 mg / l As the activation process of 『2』, the treatment liquid composition was dissolved AgNO ₃ (silver nitrate) in NH ₄ OH (ammonia) solution. 『3』 Chemical Copper Plating Process Treatment Composition (1 solution): CuSO ₄ (copper sulfate): 35 g / l, NaOH (sodium hydroxide): 50 g / l, C ₄ H ₄ KNaO ₆ 4H ₂ O (Mossel salt): 170 g / l (Two liquids): We assume 37% of formalin Treatment method: The ratio of 1 liquid and 2 liquid is 5: 1, and immersed for 3 to 5 minutes. 1st electrical copper plating Liquid composition CuSO ₄ 5H ₂ O (copper sulfate): 50 g / l, H ₂ SO ₄ (sulfuric acid): 20 g / l, polish: Small amount Treatment method: 2 ~ 5 minutes at low current density (0.5 ~ 1.5A / dm) 2nd copper plating Liquid composition CuSO ₄ 5H ₂ O (copper sulfate): 250 g / l, H ₂ SO ₄ (sulfuric acid): 10-50 g / l Treatment method: Stop type, Temperature: Room temperature, Current density: 2 ~ 4A / dm, Processing time: 1 ~ 48 hours, DUTY ratio: 18: 6, Rectifier: High current section Get the same thickness on the low current section The second process of converting rectifier with duty ratio, and bending and welding ring and decoration products peeled from rubber mold, and making clean and smooth by 3rd copper plating, Color or gold-plat the red-colored product made by electroforming in the following way. (1) coloring Liquid composition Cu (NO ₃ ) ₂ 3H ₂ O (copper nitrate): 30 g, NACl (sodium chloride): 30 g, NH ₄ Cl (ammonium chloride): 15 g, K ₂ Al ₂ (SO ₄ ) ₂ 24H ₂ O (color Alum): 7 g, CH ₃ COOH (6%) (glacial acetic acid): 1 l Treatment method: The composition solution is heated to 80 ~ 90 ℃ 10 minutes after drying and processing (2) gold plating Liquid composition KAu (CN) ₂ (gold cyanide): 12 g / l, C ₆ H ₅ Na ₃ O _{7 2} H ₂ O (citrate): 90 g / l, temperature: 25 to 25 ° C, voltage: 2 to 5 VOLT , Current density: 1.0 ~ 2.5A / dm, PH: 3.0 ~ 3.5, anode: platinum plate rhodium plating T; 3rd process to perform as network, Method of producing a character image relief by electroforming, characterized in that to combine the completed image of the upper part prepared by the first to the third step in the picture frame.