KR101092309B1 - Method for manufacturing interior and exterior sheet - Google Patents

Method for manufacturing interior and exterior sheet Download PDF

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Publication number
KR101092309B1
KR101092309B1 KR1020110003132A KR20110003132A KR101092309B1 KR 101092309 B1 KR101092309 B1 KR 101092309B1 KR 1020110003132 A KR1020110003132 A KR 1020110003132A KR 20110003132 A KR20110003132 A KR 20110003132A KR 101092309 B1 KR101092309 B1 KR 101092309B1
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South Korea
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cold rolled
steel
cold
interior
sheet
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KR1020110003132A
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Korean (ko)
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한미현
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한미현
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/28—Associations of cutting devices therewith
    • B21D43/287—Devices for handling sheet or strip material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/002—Pretreatement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/007—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B05D2202/10—Metallic substrate based on Fe
    • B05D2202/15—Stainless steel

Abstract

PURPOSE: A method for manufacturing interior and exterior steel plates is provided to improve the exterior appearance of interior and exterior steel plates by forming various patterns and colors on the surface of a cold-rolled plate through surface treatment and coating process. CONSTITUTION: A method for manufacturing interior and exterior steel plates comprises steps of: preparing a cold-rolled plate(S110), putting the leading end of the cold-rolled plate into a surface treatment device and polishing the cold-rolled plate to form patterns on at least a part of one or both sides of the cold-rolled plate(S120), putting the surface-treated cold-rolled plate into a coating device and coating one or both sides of the cold-rolled plate with transparent resin or colored resin(S130), and putting the cold-rolled plate into a cutting device(S140).

Description

내외장용 강판의 제조 방법{METHOD FOR MANUFACTURING INTERIOR AND EXTERIOR SHEET}Manufacturing method of steel sheet for interior and exterior {METHOD FOR MANUFACTURING INTERIOR AND EXTERIOR SHEET}

본 발명은 내외장용 강판의 제조 방법에 관한 것으로서, 더욱 상세하게는 냉연판에 표면 가공 처리 및 코팅 가공 처리를 하여 각종 내외장용 자재로 사용할 수 있는 내외장용 강판의 제조 방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing interior and exterior steel sheets, and more particularly, to a method for manufacturing interior and exterior steel sheets which can be used as various interior and exterior materials by surface-treating and coating processing on a cold rolled sheet.

일반적으로, 건축물의 벽면재나 장식재, 엘리베이터의 내외장재, 냉장고 등과 같은 전자제품의 내외장재, 자동차의 내외장재 등으로 사용되는 강판으로서 스테인리스(stainless) 강판이 주로 사용되고 있다.In general, stainless steel sheets are mainly used as wall panels and decorative materials for buildings, interior and exterior materials for elevators, interior and exterior materials for electronic products such as refrigerators, interior and exterior materials for automobiles, and the like.

그러데, 종래 각종 용도의 내외장재로 사용되는 스테인리스 강판은 고가(高價)이기 때문에 건축물의 건축 비용이나 전자제품, 자동차 등의 제조 원가가 상승되는 문제점이 있었다.However, since stainless steel sheets used as interior and exterior materials for various applications in the related art are expensive, there is a problem in that construction costs of buildings, manufacturing costs for electronic products, automobiles, etc. are increased.

또한, 종래의 내외장재로 사용되는 스테인리스 강판은 그 바탕색과 무늬가 단일 질감으로 형성되기 때문에 외부 미감을 높이기 어려웠다. 즉, 내외장용 자재로서의 적용 범위에 한계가 있었다.In addition, the stainless steel sheet used as a conventional interior and exterior materials, it is difficult to increase the external aesthetics because the ground color and the pattern is formed of a single texture. That is, the range of application as an interior and exterior material was limited.

본 발명은 내외장용 강판의 제조 방법을 제공한다.The present invention provides a method for producing a steel sheet for interior and exterior.

본 발명은 냉연판에 표면 가공 처리 및 코팅 가공 처리를 하여 각종 내외장용 자재로 사용할 수 있는 내외장용 강판의 제조 방법을 제공한다.The present invention provides a method for producing an interior and exterior steel sheet that can be used as various interior and exterior materials by subjecting the cold rolled sheet to surface treatment and coating treatment.

본 발명의 일실시예에 따른 내외장용 강판의 제조 방법은 모재인 냉연판을 마련하는 단계와, 상기 냉연판의 선단을 표면처리기에 인입시켜 표면 가공 처리하는 단계와, 표면 가공 처리된 상기 냉연판을 코팅기에 인입시켜 코팅 가공 처리하는 단계와, 상기 냉연판을 절단기에 인입시켜 성형 가공 처리하는 단계를 포함한다.In accordance with an aspect of the present invention, there is provided a method of manufacturing an interior and exterior steel sheet, including: preparing a cold rolled sheet as a base material, inserting a tip of the cold rolled sheet into a surface treatment unit, and performing a surface treatment process; It is introduced into the coater to the coating process, and the cold rolled sheet into the cutter comprising the step of forming process.

또한, 상기 내외장용 강판의 제조 방법은 성형 가공 처리된 상기 냉연판의 일측면 또는 양측면에 보호 필름을 코팅시키는 단계를 포함하고, 상기 보호 필름은 폴리에틸렌 또는 폴리염화비닐을 재질로 형성된다.In addition, the manufacturing method of the steel sheet for interior and exterior includes the step of coating a protective film on one side or both sides of the cold-rolled plate subjected to the molding process, the protective film is formed of polyethylene or polyvinyl chloride material.

또한, 상기 냉연판은 아연용융도금강판(GI), 고장력전기아연도금강판(EGI), 갈바듐강판(GL), 용융알루미늄강판(ALCOT), 알루미늄도금강판(ALCOSTA), 칼라 강판 중에서 선택되는 적어도 어느 하나의 강판이 사용된다.In addition, the cold-rolled sheet is at least one selected from hot dip galvanized steel (GI), high-strength galvanized steel (EGI), galvandium steel (GL), molten aluminum steel (ALCOT), aluminum plated steel (ALCOSTA), color steel sheet Either steel plate is used.

또한, 상기 냉연판을 표면 가공 처리하는 단계는 상기 냉연판의 일측면 또는 양측면의 적어도 일부분에 무늬가 형성되도록 연마하거나 또는 광택이 나도록 연마하는 단계를 포함한다.In addition, the step of surface-treating the cold rolled sheet may include polishing to form a pattern or polish to at least a portion of one side or both sides of the cold rolled sheet.

또한, 상기 냉연판을 코팅 가공 처리하는 단계는 상기 냉연판의 일측면 또는 양측면을 투명 수지로 클리어 코팅 처리하거나 컬러 수지로 색상 코팅 처리하는 단계를 포함한다.In addition, the step of coating the cold rolled plate may include a step of clear coating or color coating of one side or both sides of the cold rolled plate with a transparent resin.

본 발명의 실시예들에 따른 내외장용 강판의 제조 방법에 의하면, 아연용융도금강판(GI), 고장력전기아연도금강판(EGI), 갈바듐강판(GL), 용융알루미늄강판(ALCOT), 알루미늄도금강판(ALCOSTA), 칼라 강판 등의 다양한 냉연판을 표면 가공 처리 및 코팅 가공 처리를 함으로써 건축물, 전자제품, 자동차 등에 내외장재를 저렴하게 적용할 수 있다. 따라서, 건축물의 건축이나 전자제품, 자동차 등의 제조시 원가를 절감하여 생산성을 향상시킬 수 있다.According to the manufacturing method of the steel sheet for interior and exterior according to the embodiments of the present invention, zinc hot-dip galvanized steel sheet (GI), high-strength electro galvanized steel sheet (EGI), galvandium steel sheet (GL), molten aluminum steel sheet (ALCOT), aluminum plating Various cold rolled plates such as steel sheet (ALCOSTA) and color steel sheet are subjected to surface treatment and coating treatment, so that interior and exterior materials can be applied at low cost to buildings, electronic products, automobiles, and the like. Therefore, productivity can be improved by reducing the cost of building buildings, manufacturing electronic products, automobiles, and the like.

또한, 표면 가공 처리 및 코팅 가공 처리를 통해 냉연판의 표면에 다양한 무늬 및 색상을 형성함으로써 외부 미감을 향상시킬 수 있다. 따라서, 내외장용 자재로서의 적용 범위를 확대시켜 사용 가치를 향상시킬 수 있다.In addition, by forming a variety of patterns and colors on the surface of the cold rolled plate through the surface treatment treatment and coating treatment treatment can improve the external aesthetics. Therefore, the use value can be improved by extending the range of application as an interior and exterior material.

도 1은 본 발명의 일실시예에 따른 내외장용 강판의 제조 방법을 나타낸 순서도.1 is a flow chart showing a manufacturing method of the interior and exterior steel sheet according to an embodiment of the present invention.

이하, 첨부된 도면을 참조하여 본 발명의 실시예들을 상세히 설명하기로 한다. 그러나, 본 발명은 이하에서 개시되는 실시예들에 한정되는 것이 아니라 서로 다른 다양한 형태로 구현될 것이며, 단지 본 발명의 실시예들은 본 발명의 개시가 완전하도록 하며, 통상의 지식을 가진 자에게 발명의 범주를 완전하게 알려주기 위해 제공되는 것이다. 도면 상에서 동일 부호는 동일한 요소를 지칭한다.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood, however, that the invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, To provide a complete description of the category. Wherein like reference numerals refer to like elements throughout.

도 1은 본 발명의 일실시예에 따른 내외장용 강판의 제조 방법을 나타낸 순서도이다.1 is a flow chart showing a manufacturing method of the steel sheet for interior and exterior according to an embodiment of the present invention.

도 1 및 도 2를 참조하면, 본 발명의 일실시예에 따른 내외장용 강판의 제조 방법은 모재인 냉연판을 마련하는 단계(S110)와, 냉연판의 선단을 표면처리기에 인입시켜 표면 가공 처리하는 단계(S120)와, 표면 가공 처리된 냉연판을 코팅기에 인입시켜 코팅 가공 처리하는 단계(S130)와, 냉연판을 절단기에 인입시켜 성형 가공 처리하는 단계(S140)를 포함한다.1 and 2, the manufacturing method of the steel sheet for interior and exterior according to an embodiment of the present invention comprises the step (S110) of preparing a cold-rolled sheet as a base material, and the surface of the cold-rolled sheet introduced into the surface treatment And a step (S130) of coating the surface-treated cold rolled sheet into a coating machine (S130), and a step of introducing the cold rolled sheet into a cutter (S140).

또한, 상기 내외장용 강판의 제조 방법은 냉연판을 성형 가공 처리한 이후에 냉연판의 일측면 또는 양측면에 보호 필름을 코팅시키는 단계(S150)를 더 포함할 수 있다.In addition, the manufacturing method of the steel sheet for interior and exterior may further comprise the step (S150) of coating a protective film on one side or both sides of the cold rolled plate after forming the cold rolled sheet.

내외장용 강판을 제조하기 위한 모재로서 냉연판이 사용되며, 가공 전 냉연판(cold-rolled strip)은 롤 형태로 권취되어 공급된다. 냉연판은 재질 및 제조 방식에 따라 다양한 종류로 분류되며 본 실시예에서는 아연용융도금강판(GI), 고장력전기아연도금강판(EGI), 갈바듐강판(GL), 용융알루미늄강판(ALCOT), 알루미늄도금강판(ALCOSTA), 칼라 강판 중에서 선택되는 적어도 어느 하나의 강판을 사용하였다.Cold rolled plate is used as a base material for manufacturing the steel sheet for interior and exterior, and cold-rolled strip is wound and supplied in roll form before processing. Cold rolled sheet is classified into various types according to material and manufacturing method. In this embodiment, zinc hot-dip galvanized steel (GI), high-strength galvanized steel (EGI), galvandium steel (GL), molten aluminum steel (ALCOT), aluminum At least one steel plate selected from galvanized steel sheets (ALCOSTA) and color steel sheets was used.

아연용융도금강판(GI)은 용융 상태의 아연을 상온에서 판 표면에 자연스럽게 응고시켜 아연 특유의 결정 모양과 광택이 나타나도록 한 강판이며, 고장력전기아연도금강판(EGI)는 불규칙하게 도금되는 아연층을 보다 고르게 형성하기 위해 전기 도금 방식을 사용한 강판이다. 이러한 아연을 도금한 강판은 사무기기나 전자기기의 내외장재로 주로 사용되며, 아연의 합금층을 아주 얇게 형성할 수 있어 드로잉(drawing) 가공을 받아도 거의 박리되지 않는다.Zinc hot-dip galvanized steel (GI) is a steel plate that naturally solidifies molten zinc on the surface of the plate at room temperature so that the crystal shape and gloss characteristic of zinc is revealed. High-strength galvanized steel sheet (EGI) is an irregularly plated zinc layer. In order to more evenly form the steel plate using the electroplating method. The zinc-plated steel sheet is mainly used as interior and exterior materials of office equipment and electronic devices, and can form a very thin alloy layer of zinc and hardly peel off even after drawing.

갈바듐강판(GL)은 아연도강판과 후술되는 알루미늄도금강판의 양쪽 특성을 이상적으로 결합시킨 강판으로서, 동일한 두께의 아연이 부착된 아연도강판보다 내구성, 내열성, 용접성 등이 우수하여 건축 외장재는 물론 전기, 전자제품, 자동차 부품, 배수관 등의 다양한 용도로 사용된다.Galvanium steel (GL) is an ideal steel plate that combines both characteristics of galvanized steel and aluminum plated steel, which will be described later, and is superior in durability, heat resistance, weldability, etc. to galvanized steel with zinc of the same thickness. Of course, it is used for various purposes such as electric, electronic products, automobile parts, and drainage pipes.

용융알루미늄강판(ALCOT), 알루미늄도금강판(ALCOSTA)은 내식성과 내열성이 우수하여 열기기, 자동차 배기계 등의 소재로 사용되며, 용융 상태의 알루미늄이 응고되는 동안 결정 발생이 억제되어 표면이 미려하다. 이러한 특성으로 인해 가전주방용품, 자동차 부품, 열기기용 소재, 건축용 내외장재로 사용된다.Molten aluminum steel sheet (ALCOT) and aluminum plated steel sheet (ALCOSTA) are used for materials such as hot air heaters and automobile exhaust systems because of their excellent corrosion resistance and heat resistance. Crystallization is suppressed during the solidification of molten aluminum, resulting in a beautiful surface. Due to these characteristics, it is used as home appliances, automobile parts, hot materials, building interior and exterior materials.

칼라 강판은 소재의 양면 또는 단면에 폴리에스터, 실리콘폴리에스터, 불소수지 등 각종 수지를 입힌 강판으로서, 소재의 종류에 따라 착색아연도강판, 착색냉연강판, 착색알루미늄강판, 착색스테인레스강판 및 기타 피복강판으로 구분될 수 있다. 이러한 칼라 강판은 도장공정이 생략되어 재료의 가공에서 완성까지의 공기가 단축되고, 미도장 금속재료보다 방청성이 뛰어나고 장기 내후성이 우수하다. 또한, 도장공정이 생략되어 단순히 조립만 하면되기 때문에 기후에 관계없이 내외장재로의 시공이 간편한 장점이 있다. 칼라 강판은 지붕재, 외벽재, 내부 건축용, 전기전자기기용, 사무기기용 내외장재로 사용된다.Colored steel sheets are coated with various resins such as polyester, silicone polyester, and fluorocarbon resin on both sides or cross-section of the material. According to the type of material, colored zinc steel sheet, colored cold rolled steel sheet, colored aluminum steel sheet, colored stainless steel sheet and other coatings It can be divided into a steel sheet. Such a color steel sheet is shortened in the coating process to shorten the air from the processing of the material to completion, excellent corrosion resistance and excellent long-term weather resistance than the unpainted metal material. In addition, since the painting process is omitted, simply assembling has the advantage of easy installation in interior and exterior materials regardless of the climate. Colored steel is used as roofing material, exterior wall material, interior construction, electrical and electronic equipment, interior and exterior materials for office equipment.

위와 같이 롤 형태로 권취된 냉연판의 선단을 풀고, 냉연판에 외부 미감을 향상시키기 위해 표면 가공 처리가 수행된다. 즉, 냉연판의 일측면 또는 양측면의 적어도 일부분에 무늬가 형성되도록 냉연판이 연마되거나 또는 냉연판의 적어도 일부분에 광택이 나도록 표면처리기에서 연마가 수행된다.As described above, the front end of the cold rolled sheet wound in the form of a roll is unrolled, and surface treatment is performed to improve the external aesthetics on the cold rolled sheet. That is, the cold rolled sheet is polished to form a pattern on at least a portion of one side or both sides of the cold rolled sheet, or polishing is performed in the surface treatment machine so that at least a portion of the cold rolled sheet is polished.

표면처리기는 수평하게 이송되는 냉연판의 상측 및 하측에 복수의 연마롤을 구비하고, 상측 및 하측의 롤 갭을 조절하고 복수의 연마롤을 회전시켜 냉연판의 표면을 연마할 수 있다. 복수의 연마롤은 냉연판의 재질, 연마 정도에 따라 연마입자의 크기를 다양하게 변경시킬 수 있다. 롤 형태로 권취된 상태에서 풀려 표면처리를 통과한 냉연판은 풀린 상태로 후속 공정, 즉 코팅 가공 공정으로 이송된다.The surface treatment machine may include a plurality of polishing rolls on the upper side and the lower side of the cold rolled plate that is horizontally transported, and may adjust the upper and lower roll gaps and rotate the plurality of polishing rolls to polish the surface of the cold rolled plate. The plurality of polishing rolls may vary the size of the abrasive grains according to the material and the degree of polishing of the cold rolled sheet. The cold rolled sheet that has been unwound in the rolled form and passed through the surface treatment is transferred to a subsequent process, that is, a coating process, in the unwrapped state.

(여기서, '적어도 일부분'은 냉연판에 무늬가 형성되지 않은 상태, 즉 매끄러운 표면 상태가 되도록 연마하는 것을 포함한다.) 냉연판의 연마 가공은 하기의 표 1과 같이 스카치브라이트를 이용한 연마 가공(No.4)과, CMPL(coil mirror polishing line)을 이용한 연마 가공(No. 8)을 포함하고, 냉연판에 가는 머리카락 모양의 무늬가 형성되도록 하는 Hair Line을 이용한 연마 가공을 포함한다.(Here, at least a part includes polishing the cold rolled sheet so that a pattern is not formed, that is, a smooth surface state.) Polishing of the cold rolled sheet is performed using a scotch bright as shown in Table 1 below. No. 4) and a polishing process using a coil mirror polishing line (CMPL) (No. 8), and a polishing process using a hair line for forming a hair-like pattern on a cold rolled sheet.

본 실시예에서는 표면 가공 처리를 위해 No.4, No.8, Hair Line 방식을 사용하였지만, 이외에도 다양한 미감을 형성하기 위해 다양한 방식을 추가 적용할 수 있음은 물론이다.
In the present embodiment, No. 4, No. 8, and Hair Line methods are used for the surface treatment, but various methods may be additionally applied to form various aesthetics.

표면기호Surface symbol 표면상태 및 가공방법Surface condition and processing method No.1No.1 열간압연후 열처리, 산세척 또는 이에 준하는 처리를 한 것 Heat-treated, pickled or otherwise treated after hot rolling HDHD 가공경화성을 이용한 냉간압연 제품으로서 고경도 특성을 갖게 한 것 Cold rolled products using work hardening, having high hardness characteristics No.2DNo.2D 냉간압연후 열처리, 산세척 또는 여기에 준하는 처리를 한 것 After cold rolling, heat treatment, pickling or similar treatment No.2BNo.2B 냉간압연후 열처리, 산세척 또는 여기에 준하는 처리를 한 후 적당한 광택을 얻을 정도로 냉간압연을 한 것(No.2D에 비하여 광택 및 표면 평활도가 양호함) After cold rolling, heat treatment, pickling or similar treatment followed by cold rolling to obtain proper gloss (good gloss and surface smoothness compared to No.2D) No.3No.3 KS L6001(연마제입도) 규정에 따라 100∼120번으로 연마한 것 Grinded 100 ~ 120 according to KS L6001 No.4No.4 KS L6001(연마제입도) 규정에 따라 150∼180번으로 연마한 것으로 No.3보다 연마상태가 양호함 Polished from 150 to 180 according to KS L6001 (polishing degree of abrasiveness), better polishing than No.3 No.6No.6 KS L6001(연마제입도) 규정에 따라 320번으로 연마한 것 Grinded to 320 in accordance with KS L6001 BABA 냉간압연후 광휘 열처리를 한 제품으로 고도의 반사율 및 광택을 가짐 It is a product that has undergone bright heat treatment after cold rolling and has high reflectivity and gloss. HLHL No.4 제품에 적당한 입도의 연마제를 사용하여 연속 연마 무늬가 생기도록 연마한 것 No.4 Polished to produce continuous polishing patterns using abrasives of suitable particle size VIBRATIONVIBRATION 다축수평연마에 의해 무방향성 HL으로 연마한 것 Polished with non-oriented HL by multi-axis horizontal polishing No.8No.8 상당한 광택 및 반사 기능을 가진 연마제품으로 800Mesh 이상의 연마제로 Buff를 회전시켜 연속가공 연마한 제품으로 연마흔적이 나타남 It is an abrasive product with considerable gloss and reflection function. It is a product that has been continuously processed by rotating the buff with 800 or more abrasives. MRMR 고도의 광택 및 반사기능을 가진 연마 제품으로 1000Mesh 이상의 연마제로 Buff를 회전시켜 연속가공 연마한 제품으로 연마흔적이 거의 없음(건식) Highly polished and reflective abrasive product. Continuously polished by rotating Buff with more than 1000Mesh abrasives. SMSM 최고로 반사율이 높은 연마제품으로 1500Mesh 이상의 연마제로 Felt를 회전시켜 연마한 제품으로 연마흔적이 없음(습식) Highest reflectivity polishing product. Polished product by rotating Felt with more than 1500Mesh abrasive. EMEM Etching 또는 방전가공으로 문양을 조각한 Embossing Roll에 의해 냉간압연한 제품 Cold rolled product by Embossing Roll which is engraved by Etching or EDM ETET 냉간압연 최종제품 표면에 Screen으로 문양 인쇄후 산의 차별침식을 이용하여 입체적인 문양을 만든 제품 After printing the pattern on the surface of cold-rolled final product, the product made three-dimensional pattern by using acid erosion COLORCOLOR 냉간압연 최종제품 표면에 형성된 부동태 산화물층을 조절하고, 빛의 굴절과 간섭작용을 이용하여 여러 가지 색으로 발색시킨 제품 Cold-rolled final product The passivation oxide layer formed on the surface is controlled, and the product is colored in various colors using the refraction and interference of light.

위와 같이 냉연판에 표면 가공 처리를 수행하며 미감을 향상시키는 표면 가공 처리를 수행한 후에는 냉연판의 수명을 향상시키고, 냉연판에 색감을 넣기 위한 코팅 가공 처리가 이루어진다. 본 실시예에서 냉연판의 코팅 가공 처리는 냉연판의 일측면 또는 양측면을 투명 수지로 클리어 코팅(clear coating) 처리하거나 또는 칼라 수지로 색상 코팅 처리하는 단계를 포함한다. 클리어 코팅 처리나 색상 코팅 처리시, 투명 수지나 칼라 수지는 분무 방식으로 냉연판에 부착되고, 이후 건조 과정을 거친다. 이를 위해 냉연판은 코팅기를 통과하게 되는데, 코팅기에는 투명 수지, 칼라 수지가 보관되는 저장 용기와, 저장 용기에 보관된 수지를 냉연판의 표면 전체 또는 표면의 일부분에 분무하는 복수의 분무 노즐 및 냉연판에 분무된 수지를 건조시키는 건조 수단을 포함한다.After performing a surface treatment treatment on the cold rolled plate as described above and performing a surface treatment treatment to improve the aesthetics, the coating process is performed to improve the life of the cold rolled plate and to put color on the cold rolled plate. In the present embodiment, the coating treatment of the cold rolled sheet includes a step of clear coating the color of one side or both sides of the cold rolled sheet with a transparent resin or a color resin. In the clear coating process or the color coating process, the transparent resin or the color resin is attached to the cold rolled plate by spraying, followed by a drying process. To this end, the cold rolled plate passes through the coating machine, which includes a transparent container, a storage container in which color resin is stored, and a plurality of spray nozzles and cold rolls spraying the resin stored in the storage container on the entire surface or a part of the surface of the cold rolling plate. Drying means for drying the resin sprayed on the plate.

냉연판으로서 칼라 강판을 사용하는 경우에 강판에 착색이 이미 되어있기 때문에 클리어 코팅 처리만을 할 수 있으며, 칼라 강판에 부분적인 도색을 추가적으로 넣을 경우에는 클리어 코팅 처리 이후에 색상 코팅 처리도 할 수 있다.In the case of using a color steel sheet as a cold rolled sheet, since the color is already colored on the steel sheet, only a clear coating process may be performed. In the case where a partial coating is additionally added to the color steel sheet, the color steel sheet may be coated after the clear coating process.

위와 같이 냉연판의 표면 가공 및 코팅 가공이 완료되면, 냉연판은 절단기로 인입되어 내외장용 소재로서 사용이 간편하도록 일정한 크기나 형상을 갖도록 절단되는 성형 가공을 거치며, 압착 가공 등을 통해 일정한 형상으로 굽혀져 제품화될 수 있다.When the surface processing and coating processing of the cold rolled plate is completed as described above, the cold rolled sheet is introduced into the cutter and undergoes a molding process that is cut to have a certain size or shape so as to be easily used as an interior and exterior material. It can be bent and commercialized.

한편, 성형 가공 처리가 완료된 냉연판, 즉 최종적으로 제품화된 내외장용 강판의 일측면 또는 양측면에는 보호 필름이 코팅 방식으로 부착될 수 있다. 본 실시예에서는 보호 필름으로서 폴리에틸렌(polyethylene; PE) 또는 폴리염화비닐(polyvinyl chloride; PVC) 재질이 사용되며, 보호 필름은 내외장재의 설치 이후에 작업자가 간편하게 제거할 수 있도록 냉연판에서 용이하게 벗겨지도록 부착된다.
On the other hand, the protective film may be attached to one side or both sides of the cold-rolled plate, that is, the final product produced interior and exterior steel sheet, the molding process is completed in a coating manner. In this embodiment, a polyethylene (PE) or polyvinyl chloride (PVC) material is used as the protective film, and the protective film is easily peeled off the cold rolled plate so that the worker can easily remove it after installation of the interior and exterior materials. Attached.

이상, 본 발명에 대하여 전술한 실시예들 및 첨부된 도면을 참조하여 설명하였으나, 본 발명은 이에 한정되지 않으며 후술되는 특허청구범위에 의해 한정된다. 따라서 본 기술분야의 통상의 지식을 가진 자라면 후술되는 특허청구범위의 기술적 사상을 벗어나지 않는 범위 내에서 본 발명이 다양하게 변형 및 수정될 수 있음을 알 수 있을 것이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Therefore, it will be apparent to those skilled in the art that the present invention may be variously modified and modified without departing from the spirit of the appended claims.

Claims (6)

모재인 냉연판을 마련하는 단계와;
상기 냉연판의 선단을 표면처리기에 인입시켜 상기 냉연판의 일측면 또는 양측면의 적어도 일부분에 무늬가 형성되도록 연마하거나 또는 광택이 나도록 연마하는 표면 가공 처리하는 단계와;
표면 가공 처리된 상기 냉연판을 코팅기에 인입시켜 상기 냉연판의 일측면 또는 양측면을 투명 수지로 클리어 코팅 처리하거나 컬러 수지로 색상 코팅 처리하는 코팅 가공 처리하는 단계와;
상기 냉연판을 절단기에 인입시켜 성형 가공 처리하는 단계;
를 포함하는 내외장용 강판의 제조 방법.Preparing a cold rolled sheet as a base material;
Inserting the front end of the cold rolled sheet into a surface treatment unit and performing a surface treatment to polish or polish the surface to form a pattern on at least a portion of one side or both sides of the cold rolled sheet;
Introducing the surface-treated cold rolled sheet into a coating machine to perform a clear coating treatment on one side or both sides of the cold rolled sheet with a transparent resin or a color coating treatment with a color resin;
Inserting the cold rolled sheet into a cutter to perform a molding process;
Method of manufacturing the interior and exterior steel sheet comprising a. 삭제delete 청구항 1에 있어서,
상기 냉연판은,
아연용융도금강판(GI), 고장력전기아연도금강판(EGI), 갈바듐강판(GL), 용융알루미늄강판(ALCOT), 알루미늄도금강판(ALCOSTA), 칼라 강판 중에서 선택되는 적어도 어느 하나의 강판이 사용되는 내외장용 강판의 제조 방법.The method according to claim 1,
The cold rolled plate,
At least one steel plate selected from zinc hot dip galvanized steel (GI), high tensile galvanized steel (EGI), galvandium steel (GL), molten aluminum steel (ALCOT), aluminum plated steel (ALCOSTA), and color steel Method for producing interior and exterior steel sheet. 삭제delete 삭제delete 삭제delete
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KR200363504Y1 (en) 2004-07-13 2004-10-02 (주) 성진 A steel sheet having three-dimensional patterns

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JP2002234108A (en) 2001-02-07 2002-08-20 Nisshin Steel Co Ltd Stainless steel like coated metal panel
KR200363504Y1 (en) 2004-07-13 2004-10-02 (주) 성진 A steel sheet having three-dimensional patterns

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Publication number Priority date Publication date Assignee Title
KR20170019017A (en) 2015-08-10 2017-02-21 한국생산기술연구원 Method for manufacturing Color pattern panel using colored alloy

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