JPH10118938A - Super abrasive grain grinding wheel - Google Patents
Super abrasive grain grinding wheelInfo
- Publication number
- JPH10118938A JPH10118938A JP29752496A JP29752496A JPH10118938A JP H10118938 A JPH10118938 A JP H10118938A JP 29752496 A JP29752496 A JP 29752496A JP 29752496 A JP29752496 A JP 29752496A JP H10118938 A JPH10118938 A JP H10118938A
- Authority
- JP
- Japan
- Prior art keywords
- hard
- abrasive grain
- brazing material
- grain
- superabrasive
- 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
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明はダイヤモンド、CB
Nなどの超砥粒を用いた砥石、特にカーボン、プラスチ
ック、セラミック、眼鏡、建材などの研削に使用される
砥石に関する。The present invention relates to diamond, CB
The present invention relates to a grindstone using superabrasive grains such as N, particularly to a grindstone used for grinding carbon, plastic, ceramic, glasses, building materials, and the like.
【0002】[0002]
【従来の技術】この種の砥石としては、超砥粒をNi、
Crなど電気メッキにより基材上に1層固着した電着砥
石や、特公昭55−22194号公報で開示されている
ような、超砥粒をろう材で基材上に突出固着して、大き
な突出量と強固な固着力を有するものが適していると思
われる。2. Description of the Related Art As a grindstone of this type, superabrasive grains are made of Ni,
Electrodeposited grindstone fixed on the substrate by electroplating such as Cr, or super abrasive grains, as disclosed in Japanese Patent Publication No. 55-22194, are projected and fixed on the substrate with a brazing material. A material having a protruding amount and a strong fixing force seems to be suitable.
【0003】[0003]
【発明が解決しようとする課題】然し乍ら上記電着砥石
は、超砥粒の保持のため、電着層の厚みは超砥粒の粒径
の1/2以上が必要であり、どうしても超砥粒の突出量
が小さくなる。従ってチップポケットとなる砥粒空間が
狭く、眼鏡レンズ、プラスチック、セラミック、カーボ
ン、建材のような材料を高能率(高除去能率)で加工す
る場合、切粉発生量が多いため目詰りを生じ研削の継続
は困難である。However, in the above-mentioned electrodeposited grinding wheel, the thickness of the electrodeposited layer is required to be at least 1/2 of the particle diameter of the superabrasive grains in order to retain the superabrasive grains. Protrusion amount becomes small. Therefore, the abrasive space that becomes the chip pocket is narrow, and when processing materials such as spectacle lenses, plastics, ceramics, carbon, and building materials with high efficiency (high removal efficiency), clogging occurs due to the large amount of chips generated and grinding. Is difficult to continue.
【0004】これに対し、上記ろう付型の砥石は超砥粒
の突出量が大きく、目詰りによる研削の支障は少ない。
このろう材としては例えばAg−Cu−Ti系の活性化
ろう材のように超砥粒と基材となる鋼製台金とを容易に
強く固着し得るろう材が用いられる。On the other hand, the brazing-type grindstone has a large protruding amount of superabrasive grains, and there is little trouble in grinding due to clogging.
As this brazing material, for example, a brazing material that can easily and strongly fix the superabrasive grains and the steel base metal as the base material, such as an activated brazing material of an Ag—Cu—Ti system, is used.
【0005】ところでこの種ろう材の硬度はHV100
程度で低い。従って研削加工時超砥粒(ダイヤモンドヌ
ープ硬度7000程度、CBNヌープ硬度4700程
度)に摩損を生じなくても、セラミック、カーボンなど
の切粉の接触によりこのろう材が表面から次々と摩損し
て、超砥粒を脱落させてしまい砥石寿命を急速に縮める
因となる。[0005] By the way, the hardness of this kind of brazing material is HV100.
Low in degree. Therefore, even if superabrasive grains (diamond Knoop hardness of about 7000, CBN Knoop hardness of about 4700) do not suffer from abrasion during the grinding process, the brazing material is worn from the surface one after another by the contact of chips such as ceramics and carbon. This causes the superabrasive grains to fall off, which causes the life of the grinding wheel to be shortened rapidly.
【0006】[0006]
【課題を解決するための手段】本発明は上記のような問
題を解決したもので、その特徴とするところは、次の何
れかを或はそれを重複して具備することによってろう材
よりなる金属結合材の表面乃至は該結合材層の耐摩耗性
を高めて、金属結合材の摩損を防ぎ、砥石の研削性能と
寿命の向上を計ったことである。DISCLOSURE OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and is characterized in that it is made of a brazing material by providing any of the following or redundantly. The purpose is to improve the wear resistance of the surface of the metal bonding material or the bonding material layer, prevent the metal bonding material from being worn, and improve the grinding performance and life of the grindstone.
【0007】(1)超砥粒を一層に突出固着する金属結
合材を、上記超砥粒の粒径の1/2以下の粒径の超砥
粒、砥粒、硬質化合物のうちの1種以上よりなる硬質粒
子を含有するろう材とする。(1) A metal binder for projecting and fixing superabrasive grains to one layer is selected from superabrasive grains, abrasive grains, and hard compounds having a grain size of 1/2 or less of the grain size of the superabrasive grains. A brazing material containing the above hard particles is used.
【0008】(1)の結合材の表面に、硬質金属のメッ
キ層又は、(1)の硬質粒子を含有する金属メッキ層を
形成する。A hard metal plating layer or a metal plating layer containing hard particles (1) is formed on the surface of the binder of (1).
【0009】超砥粒を一層に突出固着するろう材の表面
に、硬質金属のメッキ層又は、前記(1)の硬質粒子を
含有する金属メッキ層を形成する。A hard metal plating layer or a metal plating layer containing the hard particles described in the above (1) is formed on the surface of the brazing material for protruding and fixing the superabrasive grains.
【0010】[0010]
【発明の実施の形態】具体的な実施の状態を次の実施例
の項で説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A specific embodiment will be described in the following section.
【0011】[0011]
(実施例1)図1は実施例1の砥石の概要を説明する縦
断側面図で、1は♯100(平均粒径149μm)のダ
イヤモンド粒子で、鋼製台金2の外周端面上に、Ag7
0−Cu28−Ti2からなる活性化ろう材3により一
層固着されている。(Example 1) FIG. 1 is a longitudinal sectional side view for explaining an outline of a grinding stone of Example 1, wherein 1 is a diamond particle of # 100 (average particle size: 149 μm).
It is further fixed by the activated brazing material 3 made of 0-Cu28-Ti2.
【0012】なお上記ろう材3中には、♯400のダイ
ヤモンド粒よりなる硬質粒子4が約25容量%含有され
ており、固着は、該台金2上にペースト状のろう材を塗
布し、その上にダイヤモンド粒子1を並べて真空加熱し
て行った。該砥石の直径Dは150mm、厚みTは1m
m、取付穴径40mmである。The brazing material 3 contains about 25% by volume of hard particles 4 composed of # 400 diamond grains. For fixing, a paste-like brazing material is applied on the base metal 2, The diamond particles 1 were arranged thereon and heated in vacuum. The diameter D of the whetstone is 150 mm and the thickness T is 1 m
m, mounting hole diameter 40 mm.
【0013】上記実施例砥石により、Al2 O3 系セラ
ミックを研削切断したところ、目詰りもなく切味よく、
安定した加工を行うことができた。なお研削条件は次の
通りで、その結果は表1に示すように比較例とした硬質
粒子4を含有しないものに比し、寿命が遥かに長かっ
た。 砥石周速度 1600m/mm 送り速度 3m/mm 切込み量 20mm/pass 方式 乾式When the Al 2 O 3 -based ceramic was ground and cut by the grinding wheel of the above embodiment, it was sharp and clogged without clogging.
Stable processing could be performed. The grinding conditions were as follows, and as shown in Table 1, the life was much longer than that of the comparative example not containing the hard particles 4. Grinding wheel peripheral speed 1600m / mm Feed speed 3m / mm Cutting depth 20mm / pass method Dry type
【0014】[0014]
【表1】 [Table 1]
【0015】(実施例2)実施例1におけるろう材3の
構成のみを次のように変えたものを製作し、同ようの試
験を行なったところ、表1に示すように実施例1につい
で良好な結果を得た。(Example 2) A brazing filler metal 3 in Example 1 was changed in the following manner, and the same test was carried out. As shown in Table 1, Example 2 was followed by Example 1. Good results were obtained.
【0016】図2に示すように、ダイヤモンド粒子1を
台金2の外周端に突出固着するAg70−Cu28−T
i2よりなる活性化ろう材3の外表面上に、Crを電気
メッキして、硬質金属メッキ層5を形成した。なおこの
硬質金属メッキ層の厚みは約20μmである。As shown in FIG. 2, Ag70-Cu28-T for projecting and fixing the diamond particles 1 to the outer peripheral end of the base metal 2
A hard metal plating layer 5 was formed on the outer surface of the activated brazing material 3 made of i2 by electroplating Cr. The thickness of the hard metal plating layer is about 20 μm.
【0017】(実施例3)図3に示すように、図2にお
ける硬質金属メッキ層5に替え、Niの電気メッキ中に
粒径約15μmのWC粒子よりなる硬質粒子を含有した
金属メッキ層6を形成した。このものを同ようの試験を
行ったところ、表1に示すように実施例1に劣らぬ長寿
命であった。(Embodiment 3) As shown in FIG. 3, instead of the hard metal plating layer 5 in FIG. 2, a metal plating layer 6 containing hard particles composed of WC particles having a particle size of about 15 μm during Ni electroplating. Was formed. When this was subjected to the same test, the life was as long as that of Example 1 as shown in Table 1.
【0018】上記実施例2及び3における硬質金属メッ
キ層5及び金属メッキ層6は、実施例1の硬質粒子4を
含有するろう材表面に形成してもよい。また台金2は鋼
製のものについて示したが、超硬合金など他の材料によ
るものを用いることができる。The hard metal plating layer 5 and the metal plating layer 6 in the second and third embodiments may be formed on the surface of the brazing material containing the hard particles 4 in the first embodiment. Although the base metal 2 is shown as being made of steel, it can be made of another material such as a cemented carbide.
【0019】また、硬質粒子としては、超砥粒、砥粒或
はWCのような炭化物、Al2 O3のような酸化物、そ
の他ちっ化物、けい化物などの1種乃至は2種以上の混
合物を使用することができ、その含有量はろう材乃至は
メッキの所要の結合力を損なわない範囲で、多量にする
ことが好ましく、容量%で50%以下10%以上の範囲
である。なお、硬質粒子の粒径が大きいと、ろう材、メ
ッキの結合力を損うと共に研削抵抗を増すおそれがある
ので、少くとも超砥粒の粒径の1/2以下とする必要が
ある。The hard particles may include one or more of super-abrasive grains, abrasive grains or carbides such as WC, oxides such as Al 2 O 3 , and other nitrides and silicides. A mixture can be used, and its content is preferably large as long as the required bonding strength of the brazing material or plating is not impaired, and is preferably in the range of 50% to 10% by volume%. If the particle size of the hard particles is large, the bonding strength of the brazing material and the plating may be impaired and the grinding resistance may be increased. Therefore, it is necessary that the particle size is at least 1/2 or less of the particle size of the superabrasive particles.
【0020】超砥粒の粒径及びその集中度は、被研削材
及び加工目的により適宜選択すればよいが、切粉発生量
の多い高能率加工を考えた場合、粒径は♯170程度よ
り粗粒とし、突出固着砥粒は夫々独立して、互に砥粒間
隔を有することが好ましい。The particle size and the degree of concentration of the super-abrasive particles may be appropriately selected depending on the material to be ground and the purpose of processing. It is preferable that the abrasive grains are made coarse, and the projecting fixed abrasive grains are each independently provided with an abrasive grain interval.
【0021】[0021]
【発明の効果】本発明の砥石は、セラミック、カーボ
ン、プラスチック、建材、非鉄金属、ゴムなど、高能率
研削加工により切粉発生量が多い材料を、切味よく連続
して研削することができる。そして砥石の寿命も長い。The grinding wheel of the present invention can continuously grind a material with a large amount of swarf by high-efficiency grinding, such as ceramics, carbon, plastics, building materials, non-ferrous metals, and rubber. . And the life of the whetstone is long.
【図1】実施例1の砥石の概要を説明する縦断側面図で
ある。FIG. 1 is a longitudinal sectional side view for explaining an outline of a grindstone according to a first embodiment.
【図2】実施例2の超砥粒のろう付け部分を説明する砥
面断面の概略図である。FIG. 2 is a schematic view of a cross section of a polishing surface illustrating a brazing portion of superabrasive grains in Example 2.
【図3】実施例3の超砥粒のろう付け部分を説明する砥
面断面の概略図である。FIG. 3 is a schematic view of a cross section of a polishing surface for explaining a brazing portion of superabrasive grains of Example 3.
1.ダイヤモンド粒子 2.鋼製台金 3.ろう材 4.ろう材中の硬質粒子 5.硬質金属メッキ層 6.金属メッキ層 D 砥石の直径 T 砥石の厚み H 砥石の取付穴径 1. Diamond particles 2. 2. Steel base metal Brazing material 4. 4. Hard particles in brazing material Hard metal plating layer 6. Metal plating layer D Diameter of grindstone T Thickness of grindstone H Diameter of mounting hole of grindstone
Claims (3)
に、金属結合材により超砥粒が一層に突出固着されてな
る砥石であって、該金属結合材は、上記固着超砥粒の粒
径の1/2以下の粒径の超砥粒、砥粒、硬質化合物の一
つ以上の硬質粒子を含有するろう材であることを特徴と
する超砥粒砥石。1. An outer edge (outer peripheral side surface and / or end surface) of a base metal
A grindstone having superabrasive grains projected and fixed to one layer by a metal binder, wherein the metal binder comprises a superabrasive grain having a particle size equal to or less than half the particle size of the fixed superabrasive grains, A superabrasive grindstone, characterized in that it is a brazing material containing one or more hard particles of grains and hard compounds.
又は前記固着超砥粒の粒径の1/2以下の粒径の超砥
粒、砥粒、硬質化合物の一つ以上の硬質粒子を含有する
金属メッキ層を形成してなることを特徴とする請求項1
記載の超砥粒砥石。2. A hard metal plating layer on a surface of a metal binder,
Alternatively, a metal plating layer containing one or more hard particles of a superabrasive grain, an abrasive grain, and a hard compound having a particle diameter of 1/2 or less of the particle diameter of the fixed superabrasive grain is formed. Claim 1
The described super-abrasive grindstone.
に、ろう材により超砥粒が一層に突出固着されてなる砥
石であって、該ろう材の表面には硬質金属メッキ層、又
は上記固着超砥粒の粒径の1/2以下の粒径の超砥粒、
砥粒、硬質化合物の一つ以上の硬質粒子を含有する金属
メッキ層を形成してなることを特徴とする超砥粒砥石。3. An outer edge (outer peripheral side surface and / or end surface) of the base metal.
A grindstone in which superabrasive grains are protruded and fixed to one layer by a brazing material, and the surface of the brazing material has a hard metal plating layer or a particle size of 1 / or less of the particle size of the fixed superabrasive particles. Super abrasive,
A super-abrasive grinding wheel characterized by forming a metal plating layer containing one or more hard particles of abrasive grains and hard compounds.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29752496A JPH10118938A (en) | 1996-10-17 | 1996-10-17 | Super abrasive grain grinding wheel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29752496A JPH10118938A (en) | 1996-10-17 | 1996-10-17 | Super abrasive grain grinding wheel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH10118938A true JPH10118938A (en) | 1998-05-12 |
Family
ID=17847648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29752496A Pending JPH10118938A (en) | 1996-10-17 | 1996-10-17 | Super abrasive grain grinding wheel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH10118938A (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001315060A (en) * | 2000-05-01 | 2001-11-13 | Goei Seisakusho:Kk | Dressing grinding wheel and its manufacturing method |
JP2002205272A (en) * | 2001-01-09 | 2002-07-23 | Asahi Diamond Industrial Co Ltd | Super abrasive grain tool and its manufacturing method |
JP2004255469A (en) * | 2003-02-24 | 2004-09-16 | Miyanaga:Kk | Structure of grinding part in grinding tool |
WO2011055692A1 (en) * | 2009-11-05 | 2011-05-12 | 株式会社中村超硬 | Super-abrasive grain fixed type wire saw, and method of manufacturing super-abrasive grain fixed type wire saw |
CN102328352A (en) * | 2011-06-20 | 2012-01-25 | 镇江市港南电子有限公司 | Cutting line for silicon wafer cutting |
JP2012081525A (en) * | 2010-10-06 | 2012-04-26 | Nakamura Choko:Kk | Super-abrasive grain fixed type wire saw |
US9028948B2 (en) | 2009-08-14 | 2015-05-12 | Saint-Gobain Abrasives, Inc. | Abrasive articles including abrasive particles bonded to an elongated body, and methods of forming thereof |
US9067268B2 (en) | 2009-08-14 | 2015-06-30 | Saint-Gobain Abrasives, Inc. | Abrasive articles including abrasive particles bonded to an elongated body |
US9186816B2 (en) | 2010-12-30 | 2015-11-17 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US9211634B2 (en) | 2011-09-29 | 2015-12-15 | Saint-Gobain Abrasives, Inc. | Abrasive articles including abrasive particles bonded to an elongated substrate body having a barrier layer, and methods of forming thereof |
US9254552B2 (en) | 2012-06-29 | 2016-02-09 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US9278429B2 (en) | 2012-06-29 | 2016-03-08 | Saint-Gobain Abrasives, Inc. | Abrasive article for abrading and sawing through workpieces and method of forming |
US9375826B2 (en) | 2011-09-16 | 2016-06-28 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US9409243B2 (en) | 2013-04-19 | 2016-08-09 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US9878382B2 (en) | 2015-06-29 | 2018-01-30 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US9902044B2 (en) | 2012-06-29 | 2018-02-27 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
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-
1996
- 1996-10-17 JP JP29752496A patent/JPH10118938A/en active Pending
Cited By (24)
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---|---|---|---|---|
JP2001315060A (en) * | 2000-05-01 | 2001-11-13 | Goei Seisakusho:Kk | Dressing grinding wheel and its manufacturing method |
JP2002205272A (en) * | 2001-01-09 | 2002-07-23 | Asahi Diamond Industrial Co Ltd | Super abrasive grain tool and its manufacturing method |
JP2004255469A (en) * | 2003-02-24 | 2004-09-16 | Miyanaga:Kk | Structure of grinding part in grinding tool |
US9028948B2 (en) | 2009-08-14 | 2015-05-12 | Saint-Gobain Abrasives, Inc. | Abrasive articles including abrasive particles bonded to an elongated body, and methods of forming thereof |
US9862041B2 (en) | 2009-08-14 | 2018-01-09 | Saint-Gobain Abrasives, Inc. | Abrasive articles including abrasive particles bonded to an elongated body |
US9067268B2 (en) | 2009-08-14 | 2015-06-30 | Saint-Gobain Abrasives, Inc. | Abrasive articles including abrasive particles bonded to an elongated body |
CN102770240A (en) * | 2009-11-05 | 2012-11-07 | 株式会社中村超硬 | Super-abrasive grain fixed type wire saw, and method of manufacturing super-abrasive grain fixed type wire saw |
WO2011055692A1 (en) * | 2009-11-05 | 2011-05-12 | 株式会社中村超硬 | Super-abrasive grain fixed type wire saw, and method of manufacturing super-abrasive grain fixed type wire saw |
JP2012081525A (en) * | 2010-10-06 | 2012-04-26 | Nakamura Choko:Kk | Super-abrasive grain fixed type wire saw |
US9186816B2 (en) | 2010-12-30 | 2015-11-17 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US9248583B2 (en) | 2010-12-30 | 2016-02-02 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
CN102328352A (en) * | 2011-06-20 | 2012-01-25 | 镇江市港南电子有限公司 | Cutting line for silicon wafer cutting |
US9375826B2 (en) | 2011-09-16 | 2016-06-28 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US9211634B2 (en) | 2011-09-29 | 2015-12-15 | Saint-Gobain Abrasives, Inc. | Abrasive articles including abrasive particles bonded to an elongated substrate body having a barrier layer, and methods of forming thereof |
US9254552B2 (en) | 2012-06-29 | 2016-02-09 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US9687962B2 (en) | 2012-06-29 | 2017-06-27 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US9278429B2 (en) | 2012-06-29 | 2016-03-08 | Saint-Gobain Abrasives, Inc. | Abrasive article for abrading and sawing through workpieces and method of forming |
US9902044B2 (en) | 2012-06-29 | 2018-02-27 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US10596681B2 (en) | 2012-06-29 | 2020-03-24 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US9409243B2 (en) | 2013-04-19 | 2016-08-09 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US9878382B2 (en) | 2015-06-29 | 2018-01-30 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US10137514B2 (en) | 2015-06-29 | 2018-11-27 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
US10583506B2 (en) | 2015-06-29 | 2020-03-10 | Saint-Gobain Abrasives, Inc. | Abrasive article and method of forming |
CN117483739A (en) * | 2023-11-06 | 2024-02-02 | 郑州机械研究所有限公司 | Hard alloy bead with controllable blade height, and preparation method and application thereof |
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