KR100256922B1 - Process of a grinding tool to use electrode position - Google Patents

Process of a grinding tool to use electrode position Download PDF

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Publication number
KR100256922B1
KR100256922B1 KR1019970025446A KR19970025446A KR100256922B1 KR 100256922 B1 KR100256922 B1 KR 100256922B1 KR 1019970025446 A KR1019970025446 A KR 1019970025446A KR 19970025446 A KR19970025446 A KR 19970025446A KR 100256922 B1 KR100256922 B1 KR 100256922B1
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South Korea
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electrodeposition
grinding
metal
tool
insulating resin
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KR1019970025446A
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Korean (ko)
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KR19990001959A (en
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강종무
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김세광
이화다이아몬드공업주식회사
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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
    • B24D18/0018—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by electrolytic deposition
    • 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
    • B24D3/04—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 inorganic
    • B24D3/06—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 inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
    • B24D3/10—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 inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements for porous or cellular structure, e.g. for use with diamonds as abrasives

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

PURPOSE: A method for producing a grinding and polishing tool is provided to prevent blockage on the grinding tool caused by chips generated in grinding a material through forming a thin metallic plate and an electrodeposition layer on the metallic plate. CONSTITUTION: A masking insulating resin having acid resistance property and alkali resistance property is coated on a surface of a metallic substrate having flexibility. Herein, the masking insulating resin is coated on an area except an electrodeposition area in a silk screen method. Then, the masking insulating resin is dried in air. The metallic substrate is placed on a plating tank having plating solution for dipping an abrasion resistant powder on the electrodeposition area. The metallic substrate and a plating material metallic plate are installed on a cathode and an anode for flowing electric current. Therefore, the abrasion resistant powder and precipitate metal are fixed on the electrodeposition area by electrodeposition operation of metal ion. Then, the metallic substrate is attached to a main body of a grinding tool.

Description

전착(electrodeposition)을 이용한 연삭 및 연마공구의 제조방법.Method for manufacturing grinding and polishing tools using electrodeposition.

본 발명은 전착(electrodeposition)을 이용하여 금속기판상에 내마모성 전착층을 형성시키는 연삭 및 연마공구의 제조방법에 관한 것으로, 보다 상세하게는 유연성을 갖는 금속망위에 내마모성 분말을 일정한 형태와 무늬를 갖도록 부분 전착함으로써 불연속적인 전착층을 형성하는 것을 특징으로 하는 연삭공구의 제조방법에 관한 것이다.The present invention relates to a method for manufacturing a grinding and polishing tool for forming a wear resistant electrodeposition layer on a metal substrate using electrodeposition, and more particularly, to form a wear resistant powder on a flexible metal mesh to have a uniform shape and pattern. The present invention relates to a method for manufacturing a grinding tool, characterized by forming a discontinuous electrodeposition layer by electrodeposition.

일반적으로, 전착이라함은 도료, 금속분말 또는 내마모성 분말 등의 콜로이드 물질을 전도성 용액속에 현탁시켜 전기를 통함으로써 콜로이드가 전극에 석출해서 금속표면을 피복하는 전기도금의 일종을 말한다. 특히, 피삭재를 가공하기 위하여 세라믹스 분말 등을 내마모제로 사용하는 연삭 및 연마공구에 있어서는 공구의 날끝 또는 가공을 위하여 피삭재와 접촉되는 부분에 내마모제를 일반적으로 용접법으로 붙일 수 없어 니켈 등의 금속을 혼합하여 전기적으로 접착시키는 전착방법을 이용한다. 이러한 전착방법은 건식전착과 습식전착으로 크게 구분되어 지는데 전착하고자 하는 물체의 재질과 형태 등에 따라 달라진다.Generally, electrodeposition refers to a type of electroplating in which colloidal materials such as paints, metal powders, or abrasion resistant powders are suspended in a conductive solution and passed through electricity to deposit colloids on electrodes to cover metal surfaces. In particular, in grinding and polishing tools that use ceramic powder as an anti-wear agent in order to process the workpiece, the wear-resistant agent is generally not welded to the edge of the tool or in contact with the workpiece for processing, so that metals such as nickel are mixed. The electrodeposition method which electrically bonds is used. These electrodeposition methods are classified into dry electrodeposition and wet electrodeposition, depending on the material and shape of the object to be electrodeposited.

종래에는 상기와 같은 전착작용을 이용하여 연삭공구의 표면에 내마모성 피막을 형성함에 있어서, 단순히 면 전체를 연속적으로 도금하는 형태의 전착을 이용하여 왔다. 그러나, 이와 같은 종래의 연속적인 도금의 경우 곡면과 같은 특정한 형태의 모양을 가지는 물체를 가공하기가 곤란할 뿐만아니라 피삭제의 가공시 발생하는 칩에 의한 눈막힘 현상을 방지할 수 없어 절삭성이 떨어진다는 문제점이 제기되었다.Conventionally, in forming a wear-resistant coating on the surface of a grinding tool using the above electrodeposition action, electrodeposition in the form of simply plating the entire surface has been used. However, in the case of the conventional continuous plating, it is not only difficult to process an object having a specific shape such as a curved surface, but also it is difficult to prevent clogging due to chips generated during machining of the erased surface, resulting in poor machinability. The problem was raised.

따라서, 본 발명은 상기와 같은 종래기술의 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 다이아몬드, CBN, 세라믹스 등의 분말을 연삭공구의 표면위에 연속 도금하는 방법으로 부터 탈피하여 유연하게 움직이는 얇은 금속판 및 금속망위에 불연속적으로 일정한 형태와 무늬를 갖는 전착층을 형성함으로써 피삭재의 연삭시 발생하는 칩에 의한 연삭공구의 눈막힘 현상을 방지할 수 있는 연삭 및 연마공구의 제조방법을 제공하는 것이다.Accordingly, the present invention has been made to solve the above problems of the prior art, the object of the present invention is to move flexibly to move away from the method of continuous plating on the surface of the grinding tool, such as diamond, CBN, ceramics, etc. By providing an electrodeposition layer having a discontinuously uniform shape and pattern on a thin metal plate and a metal mesh, it provides a method of manufacturing a grinding and polishing tool that can prevent the clogging of the grinding tool by chips generated during grinding of the workpiece. will be.

제1도는 본 발명의 제조방법에 의하여 제조된 금속망 패턴의 종단면도.1 is a longitudinal cross-sectional view of a metal mesh pattern manufactured by the manufacturing method of the present invention.

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

1 : 다이아몬드 분말 2 : 니켈1: diamond powder 2: nickel

3 : 금속망 4 : 실리콘 실란트3: metal mesh 4: silicon sealant

상기와 같은 목적을 달성하기 위하여, 본 발명에 따른 연삭 및 연마공구의 제조방법은 유연성을 갖는 금속기판 표면에 내산성 및 내알칼리성이 뛰어난 마스킹 절연성수지를 실크스크린 방법으로 전착부위 이외의 부위에 코팅하여 공기중에서 건조시키는 단계와, 상기 금속기판을 도금액이 수용된 도금조 바닥에 두고 내마모성 분말을 전착부위에 침지시키는 단계와, 상기 금속기판과 도금소재금속판을 각각 음극 및 양극에 연결설치하여 전류를 흘려줌으로써 금속이온의 전착작용으로 상기 내마모성 분말과 석출금속이 전착부위에 고정되는 단계 및 상기 내마모성분말과 석출금속이 고정되어 있는 금속기판을 연삭 및 연마공구의 본체에 접착하는 단계로 이루어진다.In order to achieve the above object, the manufacturing method of the grinding and polishing tool according to the present invention by coating a masking insulating resin having excellent acid resistance and alkali resistance on the surface of the metal substrate having a flexibility to a portion other than the electrodeposition region by the silk screen method Drying in the air, placing the metal substrate at the bottom of the plating bath containing the plating solution, and immersing the wear-resistant powder in the electrodeposition portion, and connecting the metal substrate and the plated metal plate to the cathode and the anode, respectively, to flow current. The wear-resistant powder and the precipitated metal is fixed to the electrodeposition part by the electrodeposition of metal ions, and the metal substrate on which the wear-resistant powder and the precipitated metal are fixed is bonded to the main body of the grinding and polishing tool.

이하에서는 상기와 같이 구성되는 본 발명의 연삭 및 연마공구의 제조방법에 따른 바람직한 일 실시예를 첨부도면 제1도를 참조하여 상세히 살펴보도록 하겠다. 여기서, 상기 제1도는 본 발명의 제조방법에 의하여 제조된 금속망 패턴의 종단면도를 나타낸다.Hereinafter, a preferred embodiment according to the method for manufacturing a grinding and polishing tool of the present invention configured as described above will be described in detail with reference to FIG. 1. Here, FIG. 1 is a longitudinal sectional view of the metal mesh pattern manufactured by the manufacturing method of the present invention.

먼저, 한정되지 않는 일예로서 180 - 1000 메쉬 정도의 금속망(3)을 준비한다. 상기 금속망 대신에 얇은 금속판을 사용하는 것도 가능하다. 이때, 상기 금속망은 딱딱하지 않고 유연하게 움직일수 있는 것이 바람직하다. 이렇게 준비된 금속망의 표면위에 전착을 행하고자 하는 부위를 설정한다. 이렇게 전착부위를 설정함에 있어 일정한 형태와 무늬를 설계하는 것도 가능할 것이다. 상기에서 설정된 전착부위를 제거한 나머지 부분에 실크스크린 방법으로 내산 및 내알칼리성 용액과 반응이 적은 수지를 코팅한다. 여기서, 상기 내산 및 내알칼리성 용액과 반응이 적은 수지로서는 실리콘 실란트(4)가 바람직하다. 상기 실리콘 실란트(4)는 공기중에서 반응하여 굳어진후에 절연성을 가지고 내산성 및 내알칼리성이 우수한 마스킹(masking)재료이다. 특히, 본 발명에 있어서 사용되는 실리콘 실란트(4)는 금속망(3)을 부식시키지 않는 무초산계를 사용하는 것이 좋다. 이렇게 실리콘 실란트(4)를 전착부위 이외의 부위에 실크 스크린 방법으로 코팅한후 공기중에서 수분동안 건조시킨다.First, the metal mesh 3 of about 180-1000 mesh is prepared as an example not limited. It is also possible to use a thin metal plate instead of the metal mesh. In this case, it is preferable that the metal mesh is not hard and can be flexibly moved. The site to be electrodeposited is set on the surface of the prepared metal mesh. In setting the electrodeposition area, it will be possible to design a certain shape and pattern. The remaining portion of the electrodeposition region set out above is coated with a resin which is less reactive with the acid and alkali resistant solution by the silk screen method. Here, the silicone sealant 4 is preferable as the resin having less reaction with the acid and alkali resistant solutions. The silicone sealant 4 is a masking material having an insulating property and an excellent acid resistance and alkali resistance after reacting and hardening in air. In particular, the silicone sealant 4 used in the present invention preferably uses an acetic acid type that does not corrode the metal net 3. Thus, the silicone sealant 4 is coated on a portion other than the electrodeposition region by the silk screen method and dried in the air for several minutes.

코팅된 수지 피막의 건조가 완료되면 실리콘 실란트(4)가 코팅된 금속망(3)을 아래와 같은 조건을 가지는 통상의 도금장치의 도금조 바닥면에 침지시킨다. 여기서, 통상의 도금장치라 함은 전해액을 수용하는 도금조와 도금소재금속판(양극)과 전류조정기와 양극선 및 음극선 등을 갖는 장치를 말한다. 본 발명에서는 전착을 위한 전해액으로서 황산니켈과 염화니켈이 혼합된 액을 사용한다. 또한, 상기 도금소재 금속판은 전기도금시 양극이 되는 것으로서 일반적으로는 니켈이 많이 사용되는바, 본 발명의 경우에도 마찬가지로 니켈을 사용한다. 본 발명의 전착을 위한 전해조건은 온도 40 - 50℃, PH 4 - 4.5정도, 전류밀도 1A/dm2인 것이 바람직하다. 또한 전착을 위한 시간은 일률적으로 결정되는 것이 아니라 전착되는 금속망 (3)의 형태와 무늬 및 전착시킬 내마모성 분말의 크기에 따라 적절히 선택된다. 이와같이, 전착을 행하기 위한 도금조의 바닥면에 코팅된 금속망을 침지시킨후 상기 금속망중 전착을 행하는 부위에 다이아몬드 분말(1)을 가라앉힌다. 여기서, 상기 다이아몬드분말(1)은 동일한 성질의 내마모성 분말인 CBN 또는 세라믹스 분말로 대체가 가능하다. 이렇게 상기 다이아몬드 분말(1)이 도금조 바닥의 금속망에 완전히 가라앉은 후 상기 도금소재금속판(니켈판)은 양극에 상기 금속망은 음극에 연결하여 전류를 가한다. 이렇게 도금조에 전기를 가하게 되면 전착작용이 일어나서 실리콘 실란트(4)가 코팅된 부위를 제외한 부분에서 니켈(2)이 석출되어 다이아몬드 분말(1)과 견고히 결합됨으로서 첨부도면 제1도에 나타난 것과 같은 불연속적인 전착층이 형성된다.When the drying of the coated resin film is completed, the metal seal 3 coated with the silicone sealant 4 is immersed in the bottom surface of the plating bath of the conventional plating apparatus having the following conditions. Here, the conventional plating apparatus refers to an apparatus having a plating bath, a plating material metal plate (anode), a current regulator, an anode line, a cathode line, etc., containing an electrolyte solution. In the present invention, a mixture of nickel sulfate and nickel chloride is used as the electrolyte for electrodeposition. In addition, the plated metal plate is used as the anode during electroplating. In general, nickel is used a lot. In the present invention, nickel is used as well. Electrolytic conditions for electrodeposition of the present invention is preferably a temperature of 40-50 ℃, PH 4-4.5, the current density of 1A / dm 2 . Also, the time for electrodeposition is not determined uniformly but is appropriately selected depending on the shape and pattern of the metal mesh 3 to be electrodeposited and the size of the wear-resistant powder to be electrodeposited. In this way, the diamond powder 1 is submerged in the portion where the electrodeposition is carried out in the metal net after immersing the coated metal net on the bottom surface of the plating bath for electrodeposition. Here, the diamond powder (1) can be replaced with CBN or ceramic powder which is a wear-resistant powder of the same property. After the diamond powder 1 is completely submerged in the metal mesh of the bottom of the plating bath, the plating material metal plate (nickel plate) is connected to the anode and the metal mesh is connected to the cathode to apply a current. When electrical is applied to the plating bath, electrodeposition occurs, and nickel (2) is precipitated at the portion except the portion where the silicone sealant (4) is coated, so that it is firmly combined with the diamond powder (1), as shown in FIG. Electrodeposited layers are formed.

이와 같이 불연속적으로 전착층이 형성된 금속망(3)을 우레탄 또는 플라스틱과 같은 공구의 본체에 접착제로 결합함으로써 완성된 형태의 연삭 및 연마공구가 제조된다.In this way, the metal mesh 3 having the electrodeposition layer discontinuously formed is bonded to the main body of the tool such as urethane or plastic with an adhesive to produce a grinding and polishing tool in a completed form.

또한, 본 발명의 제조방법에 따라 금속망의 표면위에 둥근 형태를 가지는 연마패드 또는 벨트와 같은 다양한 전착층을 형성함으로써 피삭재의 종류에 따라서 원하는 형태의 새로운 전착공구의 개발이 가능하다.In addition, according to the manufacturing method of the present invention by forming a variety of electrodeposition layers, such as a polishing pad or belt having a round shape on the surface of the metal mesh it is possible to develop a new electrodeposition tool of the desired shape according to the type of workpiece.

상기에서 상술한 실시예로 인해 본 발명의 범위가 한정되지 않으며 본 발명의 기술사상과 이하에 기재될 특허청구범위로 부터 다양한 변형이나 수정이 본 발명의 균등범위내에서 가능함은 물론이다.The above-described embodiments are not limited to the scope of the present invention, and various modifications or changes are possible within the equivalent scope of the present invention from the technical spirit of the present invention and the claims to be described below.

본 발명의 제조방법에 따른 연삭 및 연마공구는 전착층이 금속망의 표면위에 불연속적으로 형성됨으로써 피삭제의 연삭시 발생하는 칩이 쉽게 외부로 빠져 나올수가 있어 일반적인 연삭공구에서 나타나는 눈막힘 현상을 방지하여 우수한 절삭성을 확보할 수 있다.In the grinding and polishing tools according to the manufacturing method of the present invention, the electrodeposition layer is discontinuously formed on the surface of the metal mesh, so that chips generated during grinding of the erased chips can easily escape to the outside, thereby preventing clogging phenomenon occurring in general grinding tools. It is possible to secure excellent cutting properties.

또한, 일반적인 전착에 있어서는 전착하고자 하는 공구의 본체가 금속으로 무겁고 원가가 비쌀수 있으나 본 발명에서와 같이 금속망을 사용하는 경우 공구의 본체를 우레탄 또는 플라스틱으로 제조 가능함으로써 가볍고 값싼 공구의 개발이 가능하다.In addition, in general electrodeposition, the main body of the tool to be electrodeposited may be heavy and expensive, but in the case of using a metal mesh as in the present invention, it is possible to develop a light and cheap tool by manufacturing the main body of the tool with urethane or plastic. Do.

분만아니라, 본 발명의 전착 방법에 따라 얇은 금속판 및 금속망 위에 패턴 형태의 전착이 가능하여 다양한 무늬와 형태를 갖는 전착공구의 개발이 가능하다.In addition to the electrodeposition method, the electrodeposition method of the present invention enables the development of electrodeposition tools having various patterns and shapes by electrodeposition in the form of patterns on thin metal plates and metal meshes.

Claims (5)

유연성을 갖는 금속기판 표면에 내산성 및 내알칼리성이 뛰어난 마스킹 절연성수지를 실크스크린 방법으로 전착부위 이외의 부위에 코팅하여 공기중에서 건조시키는 단계와; 상기 금속기판을 도금액이 수용된 도금조 바닥에 두고 내마모성 분말을 전착부위에 침지시키는 단계와; 상기 금속기판과 도금소재금속판을 각각 음극 및 양극에 연결설치하여 전류를 흘려줌으로써 금속이온의 전착작용으로 상기 내마모성 분말과 석출금속이 전착부위에 고정되는 단계; 및 상기 내마모성분말과 석출금속이 고정되어 있는 금속기판을 연삭공구의 본체에 접착하는 단계를 포함하는 것을 특징으로 하는 전착을 이용한 연삭 및 연마공구의 제조방법.Coating a masking insulating resin having excellent acid resistance and alkali resistance on the surface of the flexible metal substrate on a portion other than the electrodeposition region by a silk screen method and drying in air; Placing the metal substrate on the bottom of the plating bath containing the plating solution and immersing the wear resistant powder in the electrodeposition region; Fixing the wear-resistant powder and the precipitated metal to the electrodeposition portion by electrodeposition of metal ions by connecting the metal substrate and the plated material metal plate to a cathode and an anode, respectively, and flowing a current; And bonding the metal substrate on which the wear-resistant component and the precipitated metal are fixed to the main body of the grinding tool. 제1항에 있어서, 상기 유연성을 갖는 금속기판이 금속망 및 얇은 금속판중에서 선택된 어느 하나인 것을 특징으로 하는 전착을 이용한 연삭 및 연마공구의 제조방법.The method of claim 1, wherein the flexible metal substrate is any one selected from a metal mesh and a thin metal plate. 제1항에 있어서, 상기 마스킹 절연성수지가 실리콘 실란트인 것을 특징으로 하는 전착을 이용의한 연삭 및 연마공구의 제조방법.The method for manufacturing a grinding and polishing tool using electrodeposition according to claim 1, wherein the masking insulating resin is a silicone sealant. 제2항 또는 제3항에 있어서, 상기 내마모성 분말이 다이아몬드, CBN 및 세라믹 분말로 구성되는 그룹으로 부터 선택된 어느 하나인 것을 특징으로 하는 전착을 이용한 연삭 및 연마공구의 제조방법.4. The method of claim 2 or 3, wherein the wear resistant powder is any one selected from the group consisting of diamond, CBN and ceramic powder. 제1항에 있어서, 상기 연삭공구의 본체가 우레탄 및 플라스틱중 어느 하나인 것을 특징으로 하는 전착을 이용한 연삭 및 연마공구의 제조방법.The method for manufacturing a grinding and polishing tool using electrodeposition according to claim 1, wherein the main body of the grinding tool is one of urethane and plastic.
KR1019970025446A 1997-06-18 1997-06-18 Process of a grinding tool to use electrode position KR100256922B1 (en)

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