ZA951506B - Superabrasive tool - Google Patents

Superabrasive tool

Info

Publication number
ZA951506B
ZA951506B ZA951506A ZA951506A ZA951506B ZA 951506 B ZA951506 B ZA 951506B ZA 951506 A ZA951506 A ZA 951506A ZA 951506 A ZA951506 A ZA 951506A ZA 951506 B ZA951506 B ZA 951506B
Authority
ZA
South Africa
Prior art keywords
superabrasive grains
abrasive
core
segments comprise
abrasive segments
Prior art date
Application number
ZA951506A
Other languages
English (en)
Inventor
Kawika S Fisher
Original Assignee
Norton Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Norton Co filed Critical Norton Co
Publication of ZA951506B publication Critical patent/ZA951506B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • 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
    • 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
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/12—Saw-blades or saw-discs specially adapted for working stone
    • B28D1/121—Circular saw blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Mining & Mineral Resources (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Disintegrating Or Milling (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
ZA951506A 1994-05-13 1995-02-23 Superabrasive tool ZA951506B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/242,523 US5518443A (en) 1994-05-13 1994-05-13 Superabrasive tool

Publications (1)

Publication Number Publication Date
ZA951506B true ZA951506B (en) 1995-12-08

Family

ID=22915110

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA951506A ZA951506B (en) 1994-05-13 1995-02-23 Superabrasive tool

Country Status (19)

Country Link
US (1) US5518443A (fr)
EP (1) EP0871562B1 (fr)
JP (1) JP2994466B2 (fr)
KR (1) KR100263787B1 (fr)
CN (1) CN1147783A (fr)
AT (1) ATE231047T1 (fr)
AU (1) AU698801B2 (fr)
BR (1) BR9507869A (fr)
CA (1) CA2188286C (fr)
CZ (1) CZ294006B6 (fr)
DE (1) DE69529423T2 (fr)
DK (1) DK0871562T3 (fr)
ES (1) ES2191047T3 (fr)
HU (1) HUT76497A (fr)
NO (1) NO964794D0 (fr)
PL (1) PL178995B1 (fr)
TW (1) TW316867B (fr)
WO (1) WO1995031311A1 (fr)
ZA (1) ZA951506B (fr)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW316868B (fr) * 1994-12-28 1997-10-01 Norton Co
EP0807493B1 (fr) * 1995-02-01 2002-11-06 Hiroshi Ishizuka Arete de coupe superabrasive electroplaquee et son procede de fabrication
US6482244B2 (en) 1995-06-07 2002-11-19 Ultimate Abrasive Systems, L.L.C. Process for making an abrasive sintered product
US6478831B2 (en) 1995-06-07 2002-11-12 Ultimate Abrasive Systems, L.L.C. Abrasive surface and article and methods for making them
US6453899B1 (en) * 1995-06-07 2002-09-24 Ultimate Abrasive Systems, L.L.C. Method for making a sintered article and products produced thereby
US5868125A (en) * 1996-11-21 1999-02-09 Norton Company Crenelated abrasive tool
US6039641A (en) * 1997-04-04 2000-03-21 Sung; Chien-Min Brazed diamond tools by infiltration
US6679243B2 (en) 1997-04-04 2004-01-20 Chien-Min Sung Brazed diamond tools and methods for making
US9409280B2 (en) 1997-04-04 2016-08-09 Chien-Min Sung Brazed diamond tools and methods for making the same
US9199357B2 (en) 1997-04-04 2015-12-01 Chien-Min Sung Brazed diamond tools and methods for making the same
US9463552B2 (en) 1997-04-04 2016-10-11 Chien-Min Sung Superbrasvie tools containing uniformly leveled superabrasive particles and associated methods
US7323049B2 (en) * 1997-04-04 2008-01-29 Chien-Min Sung High pressure superabrasive particle synthesis
US9868100B2 (en) 1997-04-04 2018-01-16 Chien-Min Sung Brazed diamond tools and methods for making the same
US7368013B2 (en) * 1997-04-04 2008-05-06 Chien-Min Sung Superabrasive particle synthesis with controlled placement of crystalline seeds
US7124753B2 (en) * 1997-04-04 2006-10-24 Chien-Min Sung Brazed diamond tools and methods for making the same
US9221154B2 (en) 1997-04-04 2015-12-29 Chien-Min Sung Diamond tools and methods for making the same
US20040112359A1 (en) * 1997-04-04 2004-06-17 Chien-Min Sung Brazed diamond tools and methods for making the same
US9238207B2 (en) 1997-04-04 2016-01-19 Chien-Min Sung Brazed diamond tools and methods for making the same
US6110031A (en) * 1997-06-25 2000-08-29 3M Innovative Properties Company Superabrasive cutting surface
DE19735142A1 (de) * 1997-08-13 1999-02-18 Arntz Joh Wilh Fa Sägeblatt
US6196911B1 (en) 1997-12-04 2001-03-06 3M Innovative Properties Company Tools with abrasive segments
US6358133B1 (en) 1998-02-06 2002-03-19 3M Innovative Properties Company Grinding wheel
US6251149B1 (en) 1998-05-08 2001-06-26 Norton Company Abrasive grinding tools with hydrated and nonhalogenated inorganic grinding aids
WO2000078517A1 (fr) * 1999-06-17 2000-12-28 General Electric Company Procédé de sciage de granit et appareil correspondant
US7201645B2 (en) * 1999-11-22 2007-04-10 Chien-Min Sung Contoured CMP pad dresser and associated methods
DE10005064A1 (de) * 2000-02-04 2001-08-23 Siegfried Goelz Gmbh & Co Sintermetallgebundene abrasiv wirkende Segmente für Werkzeuge
DE10012073B4 (de) * 2000-03-14 2004-12-16 Krebs & Riedel Schleifscheibenfabrik Gmbh & Co. Kg Diamant-Schleifsegment und Schleifwerkzeug zur Oberflächenbearbeitung von Werkstücken
KR100374494B1 (ko) * 2000-07-05 2003-03-04 신한다이야몬드공업 주식회사 다이아몬드 커팅휠
US6945850B2 (en) * 2001-02-06 2005-09-20 Perrey David A Saw blade with abrasive surface
USD459376S1 (en) 2001-03-19 2002-06-25 Saint-Gobain Abrasives Technology Company Segmented saw blade
USD458948S1 (en) 2001-03-19 2002-06-18 Saint-Gobain Abrasives Technology Company Segmented saw blade
USD459375S1 (en) 2001-03-19 2002-06-25 Saint-Gobain Abrasives Technology Company Segmented saw blade
USD459740S1 (en) 2001-03-19 2002-07-02 Saint-Gobain Abrasives Technology Company Segmented saw blade
US20020178890A1 (en) * 2001-04-19 2002-12-05 Yukio Okuda Cutting tool
US7082939B2 (en) * 2002-12-10 2006-08-01 Diamond Innovations, Inc. Frame saw for cutting granite and method to improve performance of frame saw for cutting granite
US7089924B2 (en) * 2001-12-14 2006-08-15 Diamond Innovations, Inc. Granite slabs cut with frame saw employing blades with diamond-containing segments and method of cutting thereof
US7100595B2 (en) * 2002-04-04 2006-09-05 A.L.M.T. Corp. Diamond blade
US20060059785A1 (en) * 2002-09-24 2006-03-23 Chien-Min Sung Methods of maximizing retention of superabrasive particles in a metal matrix
US20050108948A1 (en) * 2002-09-24 2005-05-26 Chien-Min Sung Molten braze-coated superabrasive particles and associated methods
US6878051B2 (en) * 2003-02-05 2005-04-12 Saint-Gobain Abrasives Technology Company Saw blade with shaped gullets
US7073496B2 (en) * 2003-03-26 2006-07-11 Saint-Gobain Abrasives, Inc. High precision multi-grit slicing blade
US7089925B1 (en) 2004-08-18 2006-08-15 Kinik Company Reciprocating wire saw for cutting hard materials
US7021307B1 (en) 2004-11-17 2006-04-04 Noritake Co., Limited Rotary cutting saw
JP2008526526A (ja) * 2004-12-30 2008-07-24 エーワ ダイアモンド インダストリアル カンパニイリミテッド 切削工具用切削チップ及び切削工具
US20090199693A1 (en) * 2005-04-20 2009-08-13 Saint-Gobain Abrasives, Inc. Circular Saw Blade With Elliptical Gullets
US8393934B2 (en) 2006-11-16 2013-03-12 Chien-Min Sung CMP pad dressers with hybridized abrasive surface and related methods
US9724802B2 (en) 2005-05-16 2017-08-08 Chien-Min Sung CMP pad dressers having leveled tips and associated methods
US8622787B2 (en) * 2006-11-16 2014-01-07 Chien-Min Sung CMP pad dressers with hybridized abrasive surface and related methods
US8398466B2 (en) 2006-11-16 2013-03-19 Chien-Min Sung CMP pad conditioners with mosaic abrasive segments and associated methods
US9138862B2 (en) 2011-05-23 2015-09-22 Chien-Min Sung CMP pad dresser having leveled tips and associated methods
US8678878B2 (en) 2009-09-29 2014-03-25 Chien-Min Sung System for evaluating and/or improving performance of a CMP pad dresser
US8151783B2 (en) * 2005-06-27 2012-04-10 Husqvarna Outdoor Products Inc. Tools and methods for making and using tools, blades and methods of making and using blades
US20070023026A1 (en) * 2005-07-28 2007-02-01 Broyles Michelle Dicing blade
KR100804049B1 (ko) * 2006-11-16 2008-02-18 신한다이아몬드공업 주식회사 다이아몬드 공구 및 다이아몬드 공구의 세그먼트 제조방법
KR100753317B1 (ko) * 2006-11-16 2007-08-29 신한다이아몬드공업 주식회사 다이아몬드 공구
KR100804048B1 (ko) * 2006-11-16 2008-02-18 신한다이아몬드공업 주식회사 다이아몬드 공구
KR100839518B1 (ko) * 2007-01-26 2008-06-19 신한다이아몬드공업 주식회사 다이아몬드 공구 및 그 제조방법
RU2484059C2 (ru) * 2007-04-26 2013-06-10 Элемент Сикс (Продакшн) (Пти) Лтд Композиционный материал на основе субоксида бора
US8426043B2 (en) * 2007-04-26 2013-04-23 Anthony Andrews Boron suboxide composite materials
JP5540464B2 (ja) * 2007-08-09 2014-07-02 坂東機工株式会社 ダイヤモンドホイール
TWI388402B (en) 2007-12-06 2013-03-11 Methods for orienting superabrasive particles on a surface and associated tools
KR101024674B1 (ko) * 2007-12-28 2011-03-25 신한다이아몬드공업 주식회사 소수성 절삭공구 및 그제조방법
WO2009094377A1 (fr) * 2008-01-22 2009-07-30 Saint-Gobain Abrasives, Inc. Lame de scie circulaire à creux de dent décalés
DK2244853T3 (en) 2008-01-22 2016-01-11 Saint Gobain Abrasives Inc Saw blade with elliptical shapes
US8252263B2 (en) * 2008-04-14 2012-08-28 Chien-Min Sung Device and method for growing diamond in a liquid phase
AU2009280036B2 (en) * 2008-08-08 2013-04-04 Saint-Gobain Abrasifs Abrasive tools having a continuous metal phase for bonding an abrasive component to a carrier
US9097067B2 (en) * 2009-02-12 2015-08-04 Saint-Gobain Abrasives, Inc. Abrasive tip for abrasive tool and method for forming and replacing thereof
US8393939B2 (en) * 2009-03-31 2013-03-12 Saint-Gobain Abrasives, Inc. Dust collection for an abrasive tool
US8763617B2 (en) * 2009-06-24 2014-07-01 Saint-Gobain Abrasives, Inc. Material removal systems and methods utilizing foam
US8434347B2 (en) * 2009-12-18 2013-05-07 Varel Europe S.A.S. Synthetic materials for PDC cutter testing or for testing other superhard materials
MX343779B (es) 2009-12-31 2016-11-23 Saint Gobain Abrasives Inc Artículo abrasivo que incorpora un segmento abrasivo infiltrado.
WO2010118440A2 (fr) 2010-07-12 2010-10-14 Saint-Gobain Abrasives, Inc. Article abrasif pour façonner des materiaux industriels
CN103221180A (zh) 2010-09-21 2013-07-24 铼钻科技股份有限公司 具有基本平坦颗粒尖端的超研磨工具及其相关方法
WO2012162430A2 (fr) 2011-05-23 2012-11-29 Chien-Min Sung Tampon de polissage mécano-chimique (cmp) à pointes nivelées et procédés associés
US9089946B1 (en) * 2012-02-14 2015-07-28 Jeff Toycen Low speed high feed grinder
US20130331015A1 (en) * 2012-06-11 2013-12-12 Goei Co., Ltd. Cup type grinding wheel
CN102773806A (zh) * 2012-07-19 2012-11-14 姜堰市吉祥磨料厂 双成型密度树脂切割片
JP5569612B2 (ja) * 2013-03-11 2014-08-13 坂東機工株式会社 ダイヤモンドホイール
JP6276802B2 (ja) * 2015-05-08 2018-02-07 サンーゴバン アブレイシブズ，インコーポレイティド 層状セグメントを有する切断物品
PE20231956A1 (es) 2016-05-27 2023-12-06 Joy Global Underground Mining Llc Dispositivo de corte con elemento de corte con seccion decreciente
CN108015906A (zh) * 2016-10-28 2018-05-11 圣戈班磨料磨具有限公司 空芯钻头及其制造方法
CN108237484A (zh) * 2016-12-26 2018-07-03 圣戈班磨料磨具有限公司 形成研磨制品的方法
CN107042477A (zh) * 2017-04-06 2017-08-15 江西中核智能机械技术有限公司 金属材料复合电沉积金刚石磨片及其制造方法
USD871878S1 (en) * 2018-05-14 2020-01-07 Black & Decker Inc. Diamond blade
USD871879S1 (en) * 2018-08-13 2020-01-07 Black & Decker Inc. Diamond blade
ES2762970A1 (es) * 2018-11-26 2020-05-26 Solga Diamant S L Disco de corte segmentado, para realizar regatas en el suelo o en la pared.
US20220055174A1 (en) * 2018-12-18 2022-02-24 3M Innovative Properties Company Precision shaped grain abrasive rail grinding tool and manufacturing method therefor
KR102843434B1 (ko) * 2020-01-06 2025-08-08 생-고뱅 어브레이시브즈, 인코포레이티드 연마 용품 및 사용 방법
SE2050932A1 (en) * 2020-08-04 2022-02-05 Husqvarna Ab Improved cutting segments for abrasive cutting tools
EP4301552A4 (fr) 2021-03-05 2025-03-05 Saint-gobain Abrasives, Inc Articles abrasifs et procédés de formation de tels articles
US12473475B2 (en) 2021-03-05 2025-11-18 Saint-Gobain Abrasives, Inc. Abrasive articles and methods for forming same
US12251792B2 (en) * 2021-09-03 2025-03-18 Dixie Diamond Manufacturing, Inc. Reciprocal segment abrasive cutting tool
US11465261B1 (en) * 2021-09-03 2022-10-11 Dixie Diamond Manufacturing, Inc. Reciprocal segment abrasive cutting tool
US12296434B2 (en) 2021-12-30 2025-05-13 Saint-Gobain Abrasives, Inc. Abrasive articles and methods for forming same
US12064850B2 (en) 2021-12-30 2024-08-20 Saint-Gobain Abrasives, Inc. Abrasive articles and methods for forming same
USD1002319S1 (en) * 2022-08-31 2023-10-24 Procut Tool, Inc. Diamond saw blade

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112204C (fr) * 1959-04-20
US3028710A (en) * 1959-05-08 1962-04-10 Vanguard Abrasive Corp Abrasive cut-off disk
US3110579A (en) * 1960-01-04 1963-11-12 Vanguard Abrasive Corp Method of making a diamond abrasive saw blade
US3128755A (en) * 1962-10-01 1964-04-14 Vanguard Abrasive Corp Undercut resistant diamond abrasive saw blade
US3513821A (en) * 1968-02-05 1970-05-26 Ferro Corp Abrasive cut-off wheel
JPS5733969A (en) * 1980-08-01 1982-02-24 Niro Inoue Manufacturing method of diamond blade for cutting building stone and the like
JPS57184674A (en) * 1981-05-06 1982-11-13 Niro Inoue Stone cutting diamond blade
JPS61293770A (ja) * 1985-06-19 1986-12-24 Goei Seisakusho:Kk ダイヤモンドソ−
IT1199915B (it) * 1985-12-13 1989-01-05 Oreste Veglio Perfezionamenti a segmenti ed inserti diamantati
US4883500A (en) * 1988-10-25 1989-11-28 General Electric Company Sawblade segments utilizing polycrystalline diamond grit
WO1992001542A2 (fr) * 1990-07-25 1992-02-06 Tyrolit Schleifmittelwerke Swarovski K.G. Outil de coupe
WO1992015421A1 (fr) * 1991-02-28 1992-09-17 Kabushiki Kaisha Komatsu Seisakusho Chalumeau coupeur a plasma
JP2736182B2 (ja) * 1991-02-28 1998-04-02 ファナック株式会社 レーザ装置及びレーザ溶接方法

Also Published As

Publication number Publication date
JP2994466B2 (ja) 1999-12-27
NO964794L (no) 1996-11-12
NO964794D0 (no) 1996-11-12
US5518443A (en) 1996-05-21
DE69529423D1 (de) 2003-02-20
CN1147783A (zh) 1997-04-16
CA2188286C (fr) 1999-12-07
TW316867B (fr) 1997-10-01
PL317202A1 (en) 1997-03-17
DE69529423T2 (de) 2003-11-27
JPH09508589A (ja) 1997-09-02
CZ332796A3 (en) 1997-04-16
KR100263787B1 (ko) 2000-11-01
CZ294006B6 (cs) 2004-09-15
AU698801B2 (en) 1998-11-05
HUT76497A (en) 1997-09-29
ES2191047T3 (es) 2003-09-01
HU9603048D0 (en) 1997-01-28
AU1922895A (en) 1995-12-05
DK0871562T3 (da) 2003-05-05
CA2188286A1 (fr) 1995-11-23
WO1995031311A1 (fr) 1995-11-23
BR9507869A (pt) 1997-09-23
KR970703224A (ko) 1997-07-03
EP0871562B1 (fr) 2003-01-15
PL178995B1 (pl) 2000-07-31
EP0871562A1 (fr) 1998-10-21
ATE231047T1 (de) 2003-02-15

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