KR20010035069A - Method for fabricating polishing pad - Google Patents

Method for fabricating polishing pad Download PDF

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Publication number
KR20010035069A
KR20010035069A KR1020000076145A KR20000076145A KR20010035069A KR 20010035069 A KR20010035069 A KR 20010035069A KR 1020000076145 A KR1020000076145 A KR 1020000076145A KR 20000076145 A KR20000076145 A KR 20000076145A KR 20010035069 A KR20010035069 A KR 20010035069A
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South Korea
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powder
mixed material
polishing pad
paste
cloth
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KR1020000076145A
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Korean (ko)
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KR100413639B1 (en
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손석대
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손석대
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Priority to KR10-2000-0076145A priority Critical patent/KR100413639B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0072—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
    • B24D3/28—Resins or natural or synthetic macromolecular compounds

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

PURPOSE: A grinding pad manufacturing method improves a workability by effectively implementing a grinding work without the supply of a cooled water. CONSTITUTION: A mixed material of a paste state is made by mixing diamond powder and liquid phase phenol resin or epoxy resin, calcium carbonate powder, pigment and copper powder. The mixed material of a paste state is screen printed on a base cloth. The screen printed base cloth is cured. A velcro cloth is cut. The cut velcro cloth is attached on the rear surface of the base cloth. Therefore, a grinding pad has little friction with a grinding plane by the easy separation of the diamond powder from the grinding pad because the material of the grinding pad is painted by the screen printing.

Description

연마패드 제조방법{Method for fabricating polishing pad}Method for fabricating polishing pad

본 발명은 연마패드 제조방법에 관한 것으로서, 더욱 상세하게는 건축현장등에서 대리석, 금속 등을 연마(polishing)하는데 사용되는 연마패드에 대한 제조 방법을 개선하여, 냉각수의 공급이 없어도 연마작업이 효과적으로 이루어지도록 하여 작업성이 향상되도록 한 것이다.The present invention relates to a method for manufacturing a polishing pad, and more particularly, to improve a manufacturing method for a polishing pad used to polish marble, metal, and the like in a construction site, thereby effectively performing a polishing operation without supply of cooling water. To improve workability.

일반적으로, 도 1에 도시된 연마패드(1)는 그라인더등에 부착되어, 건축현장등에서 대리석 또는 금속 표면의 광택을 내는데 사용된다.Generally, the polishing pad 1 shown in Fig. 1 is attached to a grinder or the like and used to polish a marble or metal surface in a construction site or the like.

한편, 연마패드(1) 제조를 위한 종래의 방법은 도 2에 나타낸 바와 같은 제조과정을 따르며, 이에 대해 보다 상세히 설명하면 다음과 같다.On the other hand, the conventional method for manufacturing the polishing pad 1 follows the manufacturing process as shown in Figure 2, which will be described in more detail as follows.

종래 방법에 따른 연마패드(1) 제조시에는, 먼저, 분말상태의 재료를 믹싱하게 된다.In the production of the polishing pad 1 according to the conventional method, first, a powdery material is mixed.

이 때, 분말 상태인 재료로서는 타크, 페놀수지, 다이아몬드, 안료등이며, 그 성분비는 대략 타크 50%, 페놀수지 30%, 다이아몬드 10%, 안료 0.3%를 이룬다.At this time, the material in powder form is tar, phenol resin, diamond, pigment, and the like, and the component ratio is approximately 50% of tar, 30% of phenol resin, 10% of diamond, and 0.3% of pigment.

한편, 재료의 믹싱이 완료된 후에는, 믹싱된 분말을 패드 형상을 갖춘 금형내에 주입한 상태에서, 유압프레스를 이용하여 압축 성형하게 된다.On the other hand, after the mixing of the materials is completed, compression-molding is carried out by using a hydraulic press in a state in which the mixed powder is injected into a mold having a pad shape.

이 때, 온도는 170℃로서, 약 8분간 성형이 이루어지게 된다.At this time, the temperature is 170 ° C, and molding is performed for about 8 minutes.

그 다음, 성형시간이 지나면 금형으로부터 압축 성형된 패드를 탈형시킨다.Then, after the molding time passes, the compression molded pad is demolded from the mold.

그 후, 별도로 준비된 벨크로우 천을 패드 크기에 맞게 재단하고, 재단된 벨크로우 천을 상기 탈형된 패드 뒷면에 접착하므로써 연마패드(1)를 완성하게 된다.Thereafter, the separately prepared bellows cloth is cut to the pad size, and the polished pad 1 is completed by bonding the cut bellows cloth to the back of the demolded pad.

그러나, 이와 같은 종래의 방법에 의해 제조된 연마패드(1)는 습식타입으로서, 연마작업에 사용될 때, 반드시 물을 공급해주지 않으면 안되므로 인해, 작업이 번거러워지며 작업성이 떨어지는 단점이 있었다.However, since the polishing pad 1 manufactured by the conventional method is a wet type, when used in a polishing operation, the polishing pad 1 must be supplied with water, resulting in troublesome work and poor workability.

이는, 물의 공급이 없을 경우, 연마시의 마찰에 의한 발열로 페놀수지가 타버리게 되며, 이에 따라 다이아몬드 입자가 쉽게 탈락되지 않아 연마 성능 및 효율이 저하되기 때문이다.This is because when there is no water supply, the phenol resin burns out due to the heat generated by the friction during polishing, and thus the diamond particles are not easily dropped, thereby reducing the polishing performance and efficiency.

즉, 피연마면(被硏磨面)에 대한 연마는 다이아몬드 입자가 탈락되면서 이루어지게 되는데, 다이아몬드 입자의 탈락이 없을 경우에는 그렇지 못하기 때문이다.That is, the polishing of the surface to be polished is performed as the diamond particles fall off, because when the diamond particles do not fall off, they are not.

본 발명은 상기한 제반 문제점을 해결하기 위한 것으로서, 대리석, 금속 등을 연마하는데 사용되는 연마패드에 대한 제조 방법을 개선하여, 연마작업시 냉각수의 공급없이도 연마작업이 효과적으로 이루어지도록 하여 작업성이 향상되도록 하는데 그 목적이 있다.The present invention is to solve the above-mentioned problems, improve the manufacturing method for the polishing pad used to polish marble, metal, etc., to improve the workability to make the polishing work effectively without the supply of cooling water during polishing work Its purpose is to make it possible.

도 1은 연마패드를 나타낸 사시도1 is a perspective view showing a polishing pad

도 2는 종래 방법에 따른 연마패드 제조과정을 나타낸 흐름도2 is a flow chart showing a polishing pad manufacturing process according to the conventional method

도 3은 본 발명 방법에 따른 연마패드 제조과정을 나타낸 흐름도3 is a flowchart showing a polishing pad manufacturing process according to the present invention.

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

1:연마패드1: polishing pad

상기한 목적을 달성하기 위해, 본 발명은 다이아몬드 분말과 액상의 페놀수지 또는 에폭시수지와, 탄산칼슘 분말과, 안료와, 동(銅) 분말을 믹싱하여 페이스트(paste) 상태의 혼합재료를 만드는 단계와, 상기 페이스트 상태의 혼합재료를 베이스천 위에 스크린 프린팅하는 단계와, 상기 스크린 프린팅된 페이스트 상태의 혼합재료를 경화시키는 단계와, 별도로 준비된 벨크로우(Velcro) 천을 재단하는 단계와, 상기 재단된 벨크로우 천을 혼합재료가 경화된 베이스천 뒷면에 부착하는 단계를 포함하여서 됨을 특징을 하는 연마패드 제조방법이 제공된다.In order to achieve the above object, the present invention comprises the steps of mixing the diamond powder and liquid phenolic resin or epoxy resin, calcium carbonate powder, pigment, and copper powder to make a paste mixed material And screen printing the paste mixed material on a base fabric, curing the screen printed paste mixed material, cutting a separately prepared Velcro cloth, and cutting the cut Velcro. Provided is a polishing pad manufacturing method characterized in that it comprises the step of attaching the rain cloth to the back of the hardened base fabric.

이하, 본 발명의 일실시예를 도 3을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail with reference to FIG. 3.

도 3은 본 발명 방법에 따른 연마패드 제조과정을 나타낸 흐름도로서, 본 발명에 따른 연마패드(1) 제조 과정은 먼저, 다이아몬드 분말과 액상의 페놀수지 또는 에폭시수지와 탄산칼슘 분말과 안료와 동(銅) 분말을 믹싱하여 페이스트 상태의 혼합재료를 만들게 된다.3 is a flowchart showing a polishing pad manufacturing process according to the present invention, the manufacturing process of the polishing pad 1 according to the present invention, first, the diamond powder and liquid phenolic resin or epoxy resin and calcium carbonate powder and pigment ( Iii) The powder is mixed to form a paste mixed material.

이 때, 상기 페이스트 상태의 혼합재료는 다이아몬드 분말 8%와, 액상의 페놀수지 또는 에폭시수지 50%와, 탄산칼슘 분말38%와, 안료0.4%와, 동(銅)분말3%로 이루어진다.At this time, the paste material was composed of 8% diamond powder, 50% liquid phenol resin or epoxy resin, 38% calcium carbonate powder, 0.4% pigment and 3% copper powder.

한편, 상기와 같이 페이스트 상태의 혼합재료를 만든 다음에는, 상기 페이스트 상태의 혼합재료를 미리 준비된 원형의 베이스천 위에 스크린 프린팅하게 된다.On the other hand, after the paste mixture is made as described above, the paste mixture is screen printed onto a base cloth prepared in advance.

이 때, 상기 스크린 프린팅 과정은, 먼저 무지등의 베이스천위로 소정 패턴의 스텐실(stencil)을 씌운 후, 상기 스텐실 위로 페이스트 상태의 혼합재료를 얹은 상태에서 스퀴저(squeezer)로 밀어 페이스트가 스텐실상의 오픈된 패턴영역을 통해 베이스천 위에 프린팅되도록 한다.At this time, the screen printing process, first, the stencil (stencil) of a predetermined pattern on a base cloth such as plain paper, and then put on a squeezer (squeezer) in the state of putting a paste material on the stencil, the paste is in Print on the base fabric through the open pattern area.

상기 스텐실은 페이스트 상태의 혼합재료가 통과하여 베이스천에 붙을 수 있도록 오프닝된 영역이 소정 패턴을 이루도록 구비된 스텐철망이다.The stencil is a stencil net provided with a predetermined pattern of the opened area so that the paste material can pass and adhere to the base fabric.

한편, 스크린 프린팅이 완료되면, 스텐실을 제거한 다음, 페이스트 상태의 혼합재료가 소정 패턴으로 도포된 베이스천을 오븐(도시는 생략함)에 넣어 열풍 건조 방식에 의해 경화시키게 된다.On the other hand, when the screen printing is completed, the stencil is removed, and then the base cloth coated with the paste material in a predetermined pattern is put in an oven (not shown) to be cured by a hot air drying method.

상기 열풍 건조시의 온도는 50∼135℃로서, 상기 온도조건에서 24시간 가열 경화시키게 된다.The temperature at the time of hot air drying is 50-135 degreeC, and it heat-hardens for 24 hours on the said temperature conditions.

그 후, 페이스트의 경화가 완료되면, 별도로 준비된 벨크로우 천을 패드 크기에 맞게 재단하고, 재단된 벨크로우 천을 혼합재료가 소정패턴으로 경화된 베이스천의 뒷면에 부착하여 연마패드(1) 제조를 완료하게 된다.After the curing of the paste is completed, the separately prepared bellows cloth is cut to fit the pad size, and the cut bellows cloth is attached to the back side of the base fabric where the mixed material is cured in a predetermined pattern to complete the manufacture of the polishing pad 1. Done.

이와 같이 제조된 본 발명의 연마패드는 압축성형 방식이 아닌, 스크린 프린팅 방식에 의해 제조됨에 따라, 연마시 다이아몬드 입자가 쉽게 탈락되므로 인해, 종래와 같은 습식연마 대신 건식연마를 행할 수 있게 되며, 이에 따라 작업성이 향상된다.Since the polishing pad of the present invention is manufactured by screen printing instead of compression molding, diamond particles are easily dropped during polishing, so that dry polishing can be performed instead of conventional polishing. Therefore, workability is improved.

즉, 종래에는 고온압착에 의해 분말재료가 성형되므로 다이아몬드 입자가 너무 강하게 성형체 속에 박히게 되고, 이로 인해 다이아몬드 입자가 연마패드면으로부터 쉽게 이탈이 되지 못하여 피연마면과의 마찰이 너무 커서 반드시 냉각수를 공급해 줄 필요가 있었다.That is, conventionally, the powder material is molded by high temperature compression, so that the diamond particles are so strongly embedded in the molded body that the diamond particles are not easily separated from the polishing pad surface, so the friction with the surface to be polished is so large that the cooling water must be supplied. I needed to give.

이에 반해, 본 발명의 연마패드는 재료가 스크린 프린팅 방식에 의해 도포되므로써 다이아몬드 입자가 쉽게 연마패드면으로부터 이탈되므로써 연마면과의 마찰이 작아, 냉각수의 공급없이 건식연마가 가능하며, 이에 따라 연마작업시의 작업성이 향상된다.On the other hand, the polishing pad of the present invention has a low friction with the polishing surface because the diamond particles are easily separated from the polishing pad surface by applying the material to the screen printing method, so that dry polishing can be performed without supply of cooling water. City workability is improved.

이상에서와 같이, 본 발명은 건축현장등에서 대리석, 금속 등을 연마하는데 사용되는 연마패드에 대한 제조 방법을 개선한 것이다.As described above, the present invention improves the manufacturing method for the polishing pad used to polish marble, metal, etc. in the construction site.

이에 따라, 본 발명은 냉각수의 공급없이도 연마작업이 효과적으로 이루어지게 되므로 연마작업시의 작업성 향상을 도모할 수 있게 된다.As a result, the present invention enables the polishing operation to be effectively performed even without supply of the cooling water, thereby making it possible to improve the workability during the polishing operation.

Claims (4)

다이아몬드 분말과 액상의 페놀수지 또는 에폭시수지와, 탄산칼슘 분말과, 안료와, 동(銅) 분말을 믹싱하여 페이스트(paste) 상태의 혼합재료를 만드는 단계와,Mixing a diamond powder, a liquid phenol resin or an epoxy resin, a calcium carbonate powder, a pigment, and a copper powder to form a paste mixed material, 상기 페이스트 상태의 혼합재료를 베이스천 위에 스크린 프린팅하는 단계와,Screen printing the paste material on a base fabric; 상기 스크린 프린팅된 페이스트 상태의 혼합재료를 경화시키는 단계와,Curing the mixed material of the screen printed paste; 별도로 준비된 벨크로우(Velcro) 천을 재단하는 단계와,Cutting the separately prepared Velcro fabric, 상기 재단된 벨크로우 천을 혼합재료가 경화된 베이스천 뒷면에 부착하는 단계를 포함하여서 됨을 특징을 하는 연마패드 제조방법.And attaching the cut bellows cloth to the back side of the base cloth on which the mixed material is cured. 제 1 항에 있어서,The method of claim 1, 상기 페이스트 상태의 혼합재료는The mixed material of the paste state 다이아몬드 분말 8%와, 액상의 페놀수지 또는 에폭시수지 50%와, 탄산칼슘 분말38%와, 안료0.4%와, 동(銅)분말3%로 이루어짐을 특징으로 하는 연마패드 제조방법.A method for producing a polishing pad, comprising 8% diamond powder, 50% liquid phenolic or epoxy resin, 38% calcium carbonate powder, 0.4% pigment, and 3% copper powder. 제 1 항에 있어서,The method of claim 1, 상기 베이스천에 스크린 프린팅된 페이스트 상태의 혼합재료를 경화시키는 단계는, 열풍 건조에 의해 이루어짐을 특징으로 하는 연마패드 제조방법.Hardening the mixed material in the paste state screen printed on the base fabric, characterized in that the polishing pad is made by hot air drying. 제 3 항에 있어서,The method of claim 3, wherein 상기 열풍 건조시의 온도는 50∼135℃로서, 상기 온도조건에서 24시간 가열 경화시킴을 특징으로 하는 연마패드 제조방법.The temperature at the time of drying the hot air is 50 ~ 135 ℃, the curing pad manufacturing method characterized in that the heat curing for 24 hours at the temperature conditions.
KR10-2000-0076145A 2000-12-13 2000-12-13 Method for fabricating polishing pad KR100413639B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100551216B1 (en) * 2004-06-22 2006-02-09 신한다이아몬드공업 주식회사 Method for fabricating diamond green tape using tape casting process and diamond green tape thereof
KR100611795B1 (en) * 2005-05-02 2006-08-11 이화다이아몬드공업 주식회사 Method for manufacturing grinding tool
KR100927109B1 (en) * 2005-04-14 2009-11-18 생-고뱅 어브레이시브즈, 인코포레이티드 How to Form Structured Abrasive Products

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Publication number Priority date Publication date Assignee Title
KR100932163B1 (en) 2008-02-21 2009-12-21 이충훈 Polishing Sheet

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63207564A (en) * 1987-02-20 1988-08-26 Noritake Dia Kk Manufacture of disc grindstone
KR100201996B1 (en) * 1996-01-31 1999-06-15 전주범 Liquid crystal display projector
KR0133297Y1 (en) * 1996-08-27 1999-01-15 김인선 A drier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100551216B1 (en) * 2004-06-22 2006-02-09 신한다이아몬드공업 주식회사 Method for fabricating diamond green tape using tape casting process and diamond green tape thereof
KR100927109B1 (en) * 2005-04-14 2009-11-18 생-고뱅 어브레이시브즈, 인코포레이티드 How to Form Structured Abrasive Products
KR100611795B1 (en) * 2005-05-02 2006-08-11 이화다이아몬드공업 주식회사 Method for manufacturing grinding tool

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