KR830002863B1 - The seven treasures making method with thermal spraying - Google Patents

The seven treasures making method with thermal spraying Download PDF

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Publication number
KR830002863B1
KR830002863B1 KR820004604A KR820004604A KR830002863B1 KR 830002863 B1 KR830002863 B1 KR 830002863B1 KR 820004604 A KR820004604 A KR 820004604A KR 820004604 A KR820004604 A KR 820004604A KR 830002863 B1 KR830002863 B1 KR 830002863B1
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South Korea
Prior art keywords
cloisonne
thermal spraying
spraying
copper
stainless steel
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KR820004604A
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Korean (ko)
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최선철
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최선철
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Abstract

Concavo-convex copper coating, which is 0.08-0.3 mm thick is obtained through thermal spraying on a substrate surface such as porcelain of stainless steel. Thermal spraying methods include flame spratying using oxygen and acetylene gases and electric are spraying. Copper wire (more than 98% purity), with a diameter of 1.6-3.2 mm, is transported to the spray gun, where it is melted using a gas flam or electric rc aand is sprayed by air under 5-7 kg/cm2 press. The desired cloisonne is obtained through calcining the painted dye at 600-900≰C and is followed by acid washing, grinding, or polishing the coppero-coated suvface.

Description

용사를 이용한 칠보 제조법Cloisonne recipe

본 발명은 용사(熔射 : Thermal Spraying)에 의하여 일반적으로 칠보가 불능한 것으로 알려진 모재의 표면에 동(銅)의 피막을 형성시키고, 그 위에 통상의 시공법에 따라 처리하여 칠보(七寶 : Cloisonne)를 얻을 수 있게한 칠보제조법에 관한 것이다.The present invention forms a copper film on the surface of the base material which is generally known to be impossible to cloisone by thermal spraying, and then treated according to the usual construction method on the cloisonne cloisonne It is about the cloisonne manufacturing method which made it possible to obtain).

종래의 칠보시공은 은 또는 동을 소재로한 모재 표면에 칠보유약안료(무기질)를 도안에 따라 바른 다음 이것을 가열로 속에 넣어 600℃-900℃의 온도에서 약 5분-10분간 소성시키므로서 칠보의 독특한 미려한 표면을 얻어내었으며, 칠보유약안료의 성질상 동 또는 은 외의 연강 또는 스텐레스강등을 모재로해서는 칠보시공이 불가능한 것이므로 모재가 고가하고 모재의 단순성으로 인하여 다양하고 아름다은 칠보를 제공할 수 없는 것이었다.Conventional cloisonne coating is applied to the surface of the base material made of silver or copper according to the pattern and then put it in a heating furnace to bake for about 5 minutes to 10 minutes at a temperature of 600 ℃-900 ℃. Because of the properties of lacquer glaze pigments, it is impossible to use cloisonne construction with copper or silver mild steel or stainless steel as the base material. Therefore, the base material is expensive and due to the simplicity of the base material, it is impossible to provide various and beautiful cloisonne. Was.

본 발명은 이러한 칠보시공 모재의 제한조건 없이 연강, 스텐레스강을 포함한 철합금, 비철금속 또는 도자기 등 광범위한 소재를 모재로하여 종래와 같은 아름다운 칠보를 시공할 수 있게 하므로써 미장품, 공예품, 장신구 등 각 분야에 걸쳐 칠보를 활용할 수 있고 칠보가 견고히 고정되계 하는데 목적이 있다.The present invention by using a wide range of materials, such as iron alloys, non-ferrous metals or porcelain including mild steel, stainless steel, without the constraints of the cloisonne construction base material to be able to construct a beautiful cloisonne as in the prior art each field such as beauty products, crafts, jewelry You can use Cloisonne throughout, and the Cloisonne is intended to be firmly fixed.

이하 본 발명을 상세하게 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail.

[제1공정][Step 1]

석고 또는 도자기나 연강 및 스텐레스강등 일반적으로 칠보 시공이 불능한 것으로 알려진 금속등(이하 모재라 칭함)의 표면에 칠보시공에 적당한 0.08mm-0.3mm 두께의 치밀한 요철 동 피막을 용사(Flame Sprying)에 의하여 형성한다.Plaster or dense uneven copper film with a thickness of 0.08mm-0.3mm suitable for cloisonnizing is applied to the surface of metal spraying such as gypsum or porcelain, mild steel and stainless steel. To form.

용사는 산소아세틸렌 화염을 이용하는 화염용사(Flame Spraying) 또는 전기 아아크를 이용하는 아아크용사(Arc Spraying) 중 어느 것이나 무방하다. (용사공정 참고문헌 : 미국용접협회 발행 "Welding Hand Book" 제3권 제12장) 지름 1.6mm 내지 3.2mm의 순동선 (Cu 98% 이상)을 용사 "건"(Spray Gun)에 송급하면서, 노즐에서 일어나는 산소아세틸렌화염(중성염) 또는 전기 아아크열로 동선을 용해시키는 동시에 5kg/㎠ 내지 7kg/㎠ 압력의 공기로 용해된 동을 분사하여 동의 용융입자를 150mm-230mm 거리의 칠보모재 바탕에 부딪치게 하므로써 용사의 독특한 용착현상(기계적, 화학적 복합결착)을 일으킨다.The spraying can be either flame spraying using an oxygen acetylene flame or arc spraying using an electric arc. (Brother Process Reference: "Welding Hand Book" Vol. 3, Chapter 12, published by the American Welding Society, while sending a copper wire (more than 98% Cu) of 1.6mm to 3.2mm in diameter to the spray gun, Oxygen acetylene salt (neutral salt) or electric arc heat which dissolves in the nozzle dissolves the copper wire and sprays molten copper with air at a pressure of 5kg / ㎠ to 7kg / ㎠ to melt molten copper on the background of 150mm-230mm Bumping causes a unique welding phenomenon of thermal spraying (mechanical and chemical complex binding).

이러한 동의 용융미립자는 칠보 모재표면에 닿아 신속히 냉각 응고되어 칠보모재에 약한 열부하를 주면서 모재와 결착된다.These molten copper fine particles are rapidly cooled and solidified on the surface of the cloisonne base and bind with the base material while giving a weak heat load to the base.

용사에 의한 동 피막층의 두께는 용사의 횟수를 증가시키므로써 두껍게 시공할 수 있다.The thickness of the copper coating layer by the thermal spraying can be increased by increasing the number of thermal spraying.

동의 피막이 고정될 칠보모재의 표면은 30-80멧쉬 주철그릿트(Grit)를 노즐지름 ψ6mm-ψ8mm의 분사노즐을 통해서 5kg/㎠-7kg/㎠의 공기압으로 블라스팅(Blasting)하거나 니켈 및 알루미늄합금으로된 본딩와이어(Bonding wire)를 0.03mm 정도의 두께로 용사하거나 또는 이 두가지 방법을 겸용하여 용사전 사전처리(Preperation)된다.The surface of the cloisonne base on which the copper film is to be fixed is blasted with 30-80 mesh cast iron grit (Grit) at an air pressure of 5kg / cm2-7kg / cm2 through a spray nozzle of nozzle diameter ψ6mm-ψ8mm, or with nickel and aluminum alloy. Bonded wire is thermally sprayed to a thickness of about 0.03 mm or pre-sprayed by using both methods.

용사직전의 칠보모재의 예열온도는 재질에 따라 100℃-300℃의 범위내에서 용사 "건"을 이용하거나 따로된 가열장치를 이용하여 예열된다.The preheating temperature of the cloisonne pre-spray just before the spraying is preheated using a thermal spray gun or a separate heating device within the range of 100 ° C-300 ° C depending on the material.

칠보모재의 모든 표면에 동피막층이 형성되는 것을 방지하기 위하여 도안에 따라 동이 용착되면 안될 부분에는 마스킹 테이프 또는 실리콘유제를 발라두며 이들을 용사후에 제거하면 칠보를 시공할 도안을 따라 필요한 도안과 일치하는 동의 피막 요철층을 형성할 수 있다.To prevent copper film from forming on all surfaces of the cloisonne base material, masking tape or silicone emulsion should be applied to areas where copper should not be welded according to the drawing. If these are removed after spraying, agree with the required pattern according to the pattern to apply cloisonne. A film uneven | corrugated layer can be formed.

[제2공정][Step 2]

제1공정에서 얻은 칠보모재 표면에 동의 용착피막층을 통상의 칠보시공업에 따라 산세척 하거나 연마포로 연마하여 청결히한 다음, 일반 칠보유약안료를 도안에 따라 칠하고, 소성로속에서 600°-900℃의 칠보소성온도로 적당한 시간 소성시킨 다음 꺼내어 서냉시키고 천으로 닦아 광택을 내므로써 석고 또는 도자기나 연강 및 스텐레스강 등의 모재 표면에 소망의 칠보를 얻을 수 있었고, 위와같이 하여 얻은 칠보는 소성된 칠보유약 안료가 용사에 의한 미세한 동피막 요철표면에 고정되므로써 통상의 칠보에 비하여 강하게 부착되는 것이 확인되었다.The copper coated film layer on the surface of the cloisonne base material obtained in the first step is pickled or cleaned with abrasive cloth and cleaned according to the usual cloisonne construction industry, and then the general lacquer pigment is coated according to the design, and it is 600 ° -900 ℃ in a firing furnace. After baking for a suitable time at the temperature of the tablecloth, it was taken out, cooled slowly and polished with a cloth to obtain the desired tablecloth on the surface of the base metal such as gypsum, ceramics, mild steel, and stainless steel. It was confirmed that the pigment was strongly adhered to the normal cloisonne by being fixed to the fine copper film uneven surface by the thermal spraying.

따라서 본 발명은 스텐레스강을 포함하여 연강, 특수강, 비철금속, 도자기 기타 종래에는 칠보시공이 불가능하였든 염가의 소재를 모재로하여 칠보를 시공할 수 있으므로 원가저렴한 칠보를 제공할 수 있을뿐 아니라 미장품, 장신구 등의 다양한 칠보공예품을 제공할 수 있고 모재에 보다 견고하게 고정된 칠보를 제공할 수 있는 것이다.Therefore, the present invention, including stainless steel, mild steel, special steel, non-ferrous metals, porcelain and the like can be installed at low cost material as a base material, whether it was not possible to use conventional cloisonne can provide a low cost cloisonne, as well as cosmetics, Various cloisonne crafts such as jewelry can be provided, and the cloisonne can be more firmly fixed to the base material.

[실시예]EXAMPLE

[제1공정][Step 1]

넓이 50mm, 길이 100mm, 두께 1.5mm의 AISI 304(18%Cr, 8%Ni) 스텐레스강판을 모재로 하여 그 표면을 30-60멧쉬 주철 그릿드로 5kg/㎠의 공기압에서 ψ6mm 노즐을 통하여 약 1분간 그릿트 블라스팅에 의한 사전처리를 하고 산소아세틸렌 용사 "건"(Oxy-Accetylene Flame Spray Gun)에 지름 3mm의 순동선(Cu 99%)을 송급하고 노즐에서 발생하는 산소아세틸렌화염(중성염)으로 용해하면서 7kg/cm의 압축공기로 분사시켜 약 18cm 거리에 놓은 모재면에 대하여 직각으로 용사하였다. 이때의 모재의 예열온도는 약 200℃로 하였다.AISI 304 (18% Cr, 8% Ni) stainless steel sheet 50mm wide, 100mm long, 1.5mm thick, the surface of which is 30-60 mesh cast iron grit with a ψ6mm nozzle at 5kg / ㎠ air pressure for about 1 minute Pretreatment by grit blasting, 3mm diameter copper wire (Cu 99%) is fed to Oxy-Accetylene Flame Spray Gun and dissolved with oxygen acetylene flame (neutral salt) generated from nozzle While spraying with 7kg / cm compressed air was sprayed at a right angle to the base surface placed about 18cm away. The preheating temperature of the base material at this time was about 200 degreeC.

동의 용사피막 두께는 0.1mm로, 모재의 한쪽면에만 용사하였다.The thermal spray coating thickness of 0.1 mm was sprayed only on one side of the base material.

[제2공정][Step 2]

제1공정에서 얻은 동의 피막을 30%초산액에 약 3분 침지했다가 흐르는 물에서 세척하고 열풍으로 건조시켜 깨끗한 동의 용사면을 얻고 위와같이 얻은 동의용사 피막위에 칠보유약안료를 도안에 따라 각색으로 도포하고, 이것을 3KW 용량의 전기로 속에 넣어 650℃에서 약 5분간 소성시킨 다음 꺼내어 실온까지 서냉시킨 후 물로 씻고 면포로 닦아서 스텐레스강 표면에 견고하게 고정된 소망의 칠보를 얻었다.The copper film obtained in the first step was immersed in 30% acetic acid solution for about 3 minutes, washed in running water and dried by hot air to obtain a clean copper spray surface. After coating, it was put into a 3KW electric furnace and calcined at 650 ° C. for about 5 minutes, then taken out, cooled to room temperature, washed with water and wiped with a cotton cloth to obtain a desired cloisonne firmly fixed on the surface of stainless steel.

Claims (1)

연강, 스텐레스강, 도자기 석고 등의 모재표면에 용사에 의하여 0.3mm 이하의 요철 동 피막층을 형성하고 통상의 공법에 따라 칠보시공함을 특징으로 하는 용사를 이용한 칠보제조법.A method of producing cloisonne using a thermal spraying method comprising forming an uneven copper film layer of 0.3 mm or less on the base surface of mild steel, stainless steel, porcelain gypsum, etc. by thermal spraying and applying cloisonne according to a conventional method.
KR820004604A 1982-10-13 1982-10-13 The seven treasures making method with thermal spraying KR830002863B1 (en)

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KR820004604A KR830002863B1 (en) 1982-10-13 1982-10-13 The seven treasures making method with thermal spraying

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