JPH05254865A - Wheel cutter for cutting glass and method for grinding the same - Google Patents
Wheel cutter for cutting glass and method for grinding the sameInfo
- Publication number
- JPH05254865A JPH05254865A JP8660692A JP8660692A JPH05254865A JP H05254865 A JPH05254865 A JP H05254865A JP 8660692 A JP8660692 A JP 8660692A JP 8660692 A JP8660692 A JP 8660692A JP H05254865 A JPH05254865 A JP H05254865A
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- wheel cutter
- grinding
- glass
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/10—Glass-cutting tools, e.g. scoring tools
- C03B33/105—Details of cutting or scoring means, e.g. tips
- C03B33/107—Wheel design, e.g. materials, construction, shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
- B28D1/225—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising for scoring or breaking, e.g. tiles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はセラミックス製のガラス
切断用ホイールカッターの研磨方法と、この研磨方法に
よって研磨したガラス切断用ホイールカッターに関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of polishing a glass-made wheel cutter for cutting glass and a glass-cutting wheel cutter polished by this method.
【０００２】[0002]
【従来の技術】液晶パネルの製造工程において、ネサガ
ラスを切断するためには、円盤状の回転カッター（ホイ
ールカッター）を用いている。このカッターの材質とし
ては、超硬合金あるいはダイヤモンドが広く使用されて
いる。ところで、超硬合金製カッターは低価格であるが
短寿命であり、一方、ダイヤモンド製カッターは長寿命
であるが高価格であってしかも切断ラインのエッジが欠
けやすい、という特徴がある。理想的なカッターとして
は、長寿命で、切断性に優れ、かつ低価格のものが望ま
しいが、この種の要望を満たすものとして、特開昭５６
−７８４３９号公報や特開昭６２−１５８１２９号公報
に開示されているような、セラミックス製のホイールカ
ッターが開発されている。2. Description of the Related Art A disk-shaped rotary cutter (wheel cutter) is used to cut a glass plate in a liquid crystal panel manufacturing process. Cemented carbide or diamond is widely used as the material for this cutter. By the way, the cutter made of cemented carbide has a low price but a short life, whereas the cutter made of diamond has a long life but a high price, and moreover the edge of the cutting line is easily chipped. An ideal cutter is desired to have a long life, excellent cuttability, and low cost.
A wheel cutter made of ceramics has been developed as disclosed in JP-A-78439 and JP-A-62-158129.
【０００３】[0003]
【発明が解決しようとする課題】セラミックス製のホイ
ールカッターは、ガラス切断性が良好で、長寿命かつ低
価格であり、ガラス切断用工具として有用である。とこ
ろで、このセラミックス製のホイールカッターによるガ
ラス切断特性を研究したところ、カッターの刃先の研磨
方法によって切断特性が大きく変化することが判明し
た。従来の超硬合金製ホイールカッターはカッターの刃
先を半径方向に沿って（すなわち放射状に）研磨してお
り、セラミックス製のホイールカッターも同様に研磨し
ていた。A wheel cutter made of ceramics has good glass cutting property, long life and low cost, and is useful as a glass cutting tool. By the way, when the glass cutting characteristics of this ceramic wheel cutter were studied, it was found that the cutting characteristics greatly changed depending on the polishing method of the blade edge of the cutter. In the conventional cemented carbide wheel cutter, the blade edge of the cutter is polished in the radial direction (that is, radially), and the wheel cutter made of ceramics is similarly polished.
【０００４】この発明の目的は、セラミックス製のホイ
ールカッターの研磨方法を改良することにより切断特性
を改善することにある。An object of the present invention is to improve cutting characteristics by improving a polishing method for a wheel cutter made of ceramics.
【０００５】[0005]
【課題を解決するための手段】本発明は、セラミックス
製のガラス切断用ホイールカッターを研磨する方法にお
いて、刃先を形成するための刃面を円周方向に沿って研
磨することを特徴としている。ホイールカッターの材質
としてはＴｉＮ、ＴｉＣ、Ａｌ2Ｏ3などを用いることが
できる。The present invention is a method of polishing a glass-made wheel cutter for cutting glass, which is characterized in that a blade surface for forming a cutting edge is polished along a circumferential direction. As a material for the wheel cutter, TiN, TiC, Al 2 O 3 or the like can be used.
【０００６】[0006]
【作用】刃面を円周方向に沿って研磨すると、従来の半
径方向に沿って研磨した場合と比較して、小さな加圧力
や切り込み量であっても、その後の破断が可能となり、
切断特性が向上する。When the blade surface is ground along the circumferential direction, it is possible to break even after a small pressing force or cut amount, as compared with the case where it is ground along the conventional radial direction.
The cutting characteristics are improved.
【０００７】[0007]
【実施例】図１は、本発明の方法で研磨したセラミック
ス製のホイールカッターであり、（Ａ）は側面断面図、
（Ｂ）は正面図である。このホイールカッター２の材質
はＴｉＮを主成分としている。ホイールカッター２の形
状は円盤状であり、中心に軸孔４が形成されている。ホ
イールカッターの外径は２．５ｍｍである。外周縁には
刃先６が形成され、二つの刃面８の交差する部分が刃先
６となっている。刃先角αは１３０°である。EXAMPLE FIG. 1 shows a wheel cutter made of ceramics polished by the method of the present invention, (A) is a side sectional view,
(B) is a front view. The material of the wheel cutter 2 has TiN as a main component. The wheel cutter 2 has a disk shape, and the shaft hole 4 is formed in the center thereof. The outer diameter of the wheel cutter is 2.5 mm. A cutting edge 6 is formed on the outer peripheral edge, and the intersection of the two blade surfaces 8 is the cutting edge 6. The cutting edge angle α is 130 °.
【０００８】刃面８は、（Ｂ）の矢印１０で示すよう
に、円周方向に沿って研磨された。研磨にはダイヤモン
ド砥石（＃８００）を使用した。研磨の仕上がり粗さは
０．０２〜０．０５μｍである。The blade surface 8 was polished along the circumferential direction, as shown by the arrow 10 in (B). A diamond grindstone (# 800) was used for polishing. The finished roughness of polishing is 0.02 to 0.05 μm.
【０００９】図２は、従来の研磨方法によるセラミック
ス製ホイールカッターの側面断面図と正面図である。ホ
イールカッターの形状および材質は図１と全く同じであ
るが、刃面の研磨方法が異なる。この従来例では、
（Ｂ）の矢印１２で示すように、刃面８を半径方向に
（すなわち放射状に）研磨している。この例では、放射
状の溝を多数形成して切刃を形成しており、放射状の溝
のピッチおよび深さはどちらも１μｍ程度である。FIG. 2 is a side sectional view and a front view of a ceramic wheel cutter manufactured by a conventional polishing method. The shape and material of the wheel cutter are exactly the same as in FIG. 1, but the method of polishing the blade surface is different. In this conventional example,
As shown by the arrow 12 in (B), the blade surface 8 is polished in the radial direction (that is, radially). In this example, a large number of radial grooves are formed to form a cutting edge, and the pitch and depth of the radial grooves are both about 1 μm.
【００１０】ガラスを切断するには、ホイールカッター
で切り込みを入れてから、曲げによって破断させる。図
３は、図１のホイールカッターでガラス２０に切り込み
を入れたときのガラスの状態を模式的に示す断面図であ
る。この例では、厚さ約１ｍｍのガラス２０を切断する
場合に、ホイールカッターの公称の切り込み量は０．３
ｍｍとした。しかし、実際の切り込み量は、ホイールカ
ッターの軸のたわみなどのために、これよりかなり小さ
い。その他の切り込み条件は、ホイールカッターにかけ
る荷重が約０．７４ｋｇ重であり、ホイールカッターの
走行速度が２５０ｍｍ／秒である。図３の断面図には、
上から、切り込み領域１４、リブマーク領域１６、ニュ
ー領域１８が現れている。切り込み領域１４は、ホイー
ルカッターが実際にガラス内に切り込んだ部分である。
リブマーク領域１６は、ホイールカッターの圧力によっ
てガラスが破壊された部分であり、ここにはリブマ−ク
と呼ばれる独特の模様が現れる。ニュー領域１８は、ホ
イールカッターの圧力によってガラスに歪みが生じて垂
直割れを起こした部分である。ガラスを曲げによって破
断させるためには一定以上の深さのニュー領域が必要で
ある。In order to cut glass, a notch is made with a wheel cutter, and then the glass is bent and broken. FIG. 3 is a cross-sectional view schematically showing the state of the glass when the glass 20 is cut with the wheel cutter of FIG. In this example, when cutting the glass 20 having a thickness of about 1 mm, the nominal cutting amount of the wheel cutter is 0.3.
mm. However, the actual depth of cut is much smaller than this due to deflection of the shaft of the wheel cutter. As other cutting conditions, the load applied to the wheel cutter is about 0.74 kg weight and the traveling speed of the wheel cutter is 250 mm / sec. The cross-sectional view of FIG.
From the top, the cut region 14, the rib mark region 16, and the new region 18 appear. The cut area 14 is a portion where the wheel cutter actually cuts into the glass.
The rib mark region 16 is a portion where the glass is broken by the pressure of the wheel cutter, and a unique pattern called a rib mark appears here. The new area 18 is a portion where the glass is distorted by the pressure of the wheel cutter to cause vertical cracking. In order to break the glass by bending, a new region having a certain depth or more is required.
【００１１】図４は、図３に示す従来のホイールカッタ
ーでガラス２０に切り込みを入れた状態の断面図であ
る。切り込み条件は図３と同じである。この図でも、上
から、切り込み領域１４、リブマーク領域１６、ニュー
領域１８が現れている。FIG. 4 is a sectional view showing a state in which the glass 20 is cut by the conventional wheel cutter shown in FIG. The cutting conditions are the same as in FIG. Also in this figure, the notch region 14, the rib mark region 16, and the new region 18 appear from above.
【００１２】図３と図４を比較すると、同じ切り込み条
件において、本発明のホイールカッターを使用した図３
の方が、ニュー領域１８の深さが大きくなっている。換
言すれば、図４と同じ程度のニュー深さを得るには、図
３におけるホイールカッターにかける荷重または切り込
み量をもっと小さくすることができる。結局、本発明の
ホイールカッターによれば、従来よりも小さな荷重また
は切り込み量で従来と同様の破断が可能になり、ホイー
ルカッターの寿命を延ばすことができる。Comparing FIG. 3 and FIG. 4, FIG. 3 using the wheel cutter of the present invention under the same cutting conditions.
In this case, the depth of the new region 18 is larger. In other words, in order to obtain the same new depth as in FIG. 4, the load applied to the wheel cutter or the cutting amount in FIG. 3 can be made smaller. After all, according to the wheel cutter of the present invention, it is possible to break as in the conventional case with a load or cut amount smaller than the conventional case, and the life of the wheel cutter can be extended.
【００１３】ホイールカッターの材質は、上述のＴｉＮ
に限定されず、ＴｉＣやＡｌ2０3などのその他のセラミ
ックスも使用できる。The material of the wheel cutter is the above-mentioned TiN.
Is not limited to, other ceramics such as TiC or Al 2 0 3 can also be used.
【００１４】[0014]
【発明の効果】本発明は、刃面を円周方向に沿って研磨
したので、半径方向に沿って研磨する従来方法と比較し
て、セラミックス製ホイールカッタ−の切断特性が向上
した。According to the present invention, since the blade surface is polished along the circumferential direction, the cutting characteristics of the ceramic wheel cutter are improved as compared with the conventional method of polishing along the radial direction.
【図１】本発明の方法で研磨したホイールカッターの側
面断面図と正面図である。FIG. 1 is a side sectional view and a front view of a wheel cutter polished by the method of the present invention.
【図２】従来の方法で研磨したホイールカッターの側面
断面図と正面図である。FIG. 2 is a side sectional view and a front view of a wheel cutter polished by a conventional method.
【図３】本発明のホイールカッターで切り込みを入れた
ガラスの断面図である。FIG. 3 is a cross-sectional view of glass cut with a wheel cutter of the present invention.
【図４】従来のホイールカッターで切り込みを入れたガ
ラスの断面図である。FIG. 4 is a cross-sectional view of glass cut with a conventional wheel cutter.
２ ホイールカッター ６ 刃先 ８ 刃面 １０ 研磨方向 2 Wheel cutter 6 Blade edge 8 Blade surface 10 Polishing direction
Claims (2)
カッターを研磨する方法において、刃先を形成するため
の刃面を円周方向に沿って研磨することを特徴とするガ
ラス切断用ホイールカッターの研磨方法。1. A method of polishing a wheel cutter for glass cutting made of ceramics, which comprises polishing a blade surface for forming a blade edge along a circumferential direction.
ス切断用ホイールカッター。2. A wheel cutter for cutting glass, which is polished by the polishing method according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8660692A JPH05254865A (en) | 1992-03-11 | 1992-03-11 | Wheel cutter for cutting glass and method for grinding the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8660692A JPH05254865A (en) | 1992-03-11 | 1992-03-11 | Wheel cutter for cutting glass and method for grinding the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05254865A true JPH05254865A (en) | 1993-10-05 |
Family
ID=13891676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8660692A Pending JPH05254865A (en) | 1992-03-11 | 1992-03-11 | Wheel cutter for cutting glass and method for grinding the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05254865A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0773194A1 (en) * | 1995-11-06 | 1997-05-14 | Mitsuboshi Diamond Industrial Co., Ltd. | Glass cutting disc |
| WO2003057440A1 (en) * | 2001-12-28 | 2003-07-17 | Mitsuboshi Diamond Industrial Co., Ltd. | Cutter wheel for nonmetal material, and method and device for scribing using the cutter wheel |
| JP2004326120A (en) * | 2003-04-29 | 2004-11-18 | Lg Phillips Lcd Co Ltd | Cutting apparatus for liquid crystal display panel |
| WO2007004700A1 (en) | 2005-07-06 | 2007-01-11 | Mitsuboshi Diamond Industrial Co., Ltd. | Brittle material scribing wheel, method for manufacturing such brittle material scribing wheel, and scribing method, scribing apparatus and scribing tool using such brittle material scribing wheel |
| WO2013133030A1 (en) * | 2012-03-08 | 2013-09-12 | 三星ダイヤモンド工業株式会社 | Scribing wheel and method for manufacturing same |
| JP2013184388A (en) * | 2012-03-08 | 2013-09-19 | Mitsuboshi Diamond Industrial Co Ltd | Scribing wheel and method for manufacturing the same |
| JP2013202975A (en) * | 2012-03-29 | 2013-10-07 | Mitsuboshi Diamond Industrial Co Ltd | Scribing wheel, and method for manufacturing same |
| JP2014087992A (en) * | 2012-10-31 | 2014-05-15 | Mitsuboshi Diamond Industrial Co Ltd | Scribing wheel and manufacturing method thereof |
| CN104261667A (en) * | 2012-10-31 | 2015-01-07 | 三星钻石工业股份有限公司 | Scribing Wheel And Manufacturing Method Thereof |
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| JP2016013707A (en) * | 2015-10-28 | 2016-01-28 | 三星ダイヤモンド工業株式会社 | Scribing wheel |
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-
1992
- 1992-03-11 JP JP8660692A patent/JPH05254865A/en active Pending
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| US5836229A (en) * | 1995-11-06 | 1998-11-17 | Mitsuboshi Diamond Industrial Co., Ltd. | Glass scribing disc |
| EP1092686A2 (en) * | 1995-11-06 | 2001-04-18 | Mitsuboshi Diamond Industrial Co., Ltd. | Glass cutting disc |
| EP1092686A3 (en) * | 1995-11-06 | 2001-05-16 | Mitsuboshi Diamond Industrial Co., Ltd. | Glass cutting disc |
| CN1125787C (en) * | 1995-11-06 | 2003-10-29 | 三星钻石工业株式会社 | Glass cutting disc |
| EP0773194A1 (en) * | 1995-11-06 | 1997-05-14 | Mitsuboshi Diamond Industrial Co., Ltd. | Glass cutting disc |
| EP2135848A3 (en) * | 1995-11-06 | 2010-02-17 | Mitsuboshi Diamond Industrial Co., Ltd. | Glass cutting disc |
| WO2003057440A1 (en) * | 2001-12-28 | 2003-07-17 | Mitsuboshi Diamond Industrial Co., Ltd. | Cutter wheel for nonmetal material, and method and device for scribing using the cutter wheel |
| JP2004326120A (en) * | 2003-04-29 | 2004-11-18 | Lg Phillips Lcd Co Ltd | Cutting apparatus for liquid crystal display panel |
| US7308846B2 (en) | 2003-04-29 | 2007-12-18 | Lg.Philips Lcd Co., Ltd. | Apparatus for cutting liquid crystal display panel |
| EP2551085A1 (en) * | 2005-07-06 | 2013-01-30 | Mitsuboshi Diamond Industrial Co., Ltd. | Scribing wheel for brittle material and manufacturing method for same, as well as scribing method, scribing apparatus and scribing tool using same |
| TWI454433B (en) * | 2005-07-06 | 2014-10-01 | Mitsuboshi Diamond Ind Co Ltd | A scribing material for a brittle material and a method for manufacturing the same, a scribing method using a scribing wheel, a scribing device, and a scribing tool |
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| TWI665067B (en) * | 2011-06-08 | 2019-07-11 | 日商三星鑽石工業股份有限公司 | Scribing wheel and manufacturing method thereof |
| US9827691B2 (en) | 2011-06-08 | 2017-11-28 | Mitsuboshi Diamond Industrial Co., Ltd. | Scribing wheel, method for manufacturing the scribing wheel, and scribing method |
| CN104608263B (en) * | 2011-06-08 | 2016-11-23 | 三星钻石工业股份有限公司 | Stitch marker, its manufacture method and scribble method |
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| EP2823944A4 (en) * | 2012-03-08 | 2015-09-30 | Mitsuboshi Diamond Ind Co Ltd | Scribing wheel and method for manufacturing same |
| WO2013133030A1 (en) * | 2012-03-08 | 2013-09-12 | 三星ダイヤモンド工業株式会社 | Scribing wheel and method for manufacturing same |
| CN104136182B (en) * | 2012-03-08 | 2016-09-07 | 三星钻石工业股份有限公司 | Stitch marker and manufacture method thereof |
| CN104136182A (en) * | 2012-03-08 | 2014-11-05 | 三星钻石工业股份有限公司 | Scribing wheel and method for manufacturing same |
| TWI565556B (en) * | 2012-03-08 | 2017-01-11 | 三星鑽石工業股份有限公司 | Scribing wheel and its manufacturing method |
| JP2013184388A (en) * | 2012-03-08 | 2013-09-19 | Mitsuboshi Diamond Industrial Co Ltd | Scribing wheel and method for manufacturing the same |
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| JP2016101756A (en) * | 2012-04-13 | 2016-06-02 | 三星ダイヤモンド工業株式会社 | Scribing wheel |
| CN104261667A (en) * | 2012-10-31 | 2015-01-07 | 三星钻石工业股份有限公司 | Scribing Wheel And Manufacturing Method Thereof |
| JP2014087992A (en) * | 2012-10-31 | 2014-05-15 | Mitsuboshi Diamond Industrial Co Ltd | Scribing wheel and manufacturing method thereof |
| JP2016013707A (en) * | 2015-10-28 | 2016-01-28 | 三星ダイヤモンド工業株式会社 | Scribing wheel |
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