WO2001014494A1 - Abrasive grains for grindstones, with improved anchoring capacity - Google Patents
Abrasive grains for grindstones, with improved anchoring capacity Download PDFInfo
- Publication number
- WO2001014494A1 WO2001014494A1 PCT/FR2000/002271 FR0002271W WO0114494A1 WO 2001014494 A1 WO2001014494 A1 WO 2001014494A1 FR 0002271 W FR0002271 W FR 0002271W WO 0114494 A1 WO0114494 A1 WO 0114494A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- abrasive grains
- grains
- grains according
- section
- grinding
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
- C09K3/1418—Abrasive particles per se obtained by division of a mass agglomerated by sintering
-
- 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
Definitions
- the invention relates to the field of abrasive grains based on alumina or bauxite, obtained by powder sintering and intended for the manufacture of grinding wheels in which the abrasive grains are dispersed in a resin-based bonding agent, in particular the grinding wheels used for slashing stainless steel slabs.
- the grinding stones intended for the slitting of the slabs, for the deburring of the raw casting parts, or for the grinding of the metals are prepared from abrasive grains which can be, as the case may be, obtained either by grinding a product known as rock consisting of a solid product resulting from the solidification of a liquid product, for example an electrofused abrasive such as corundum, or by sintering of powder when it consists of preformed grains which retain their geometric shape during sintering which gives them their abrasive properties.
- Norton patent EP 0119498 describes a grinding wheel produced using a mixture of the two types of grains.
- US Patent 3239970 to Carborundum describes a process for manufacturing abrasive grains made of sintered bauxite by crushing natural bauxite, calcination, mixing with a binder to form a paste, extruding the paste, cutting the grains and sintering.
- the section of the extruded grains can be round, square, triangular or polygonal; the smallest grain size given in the examples is 1/8 inch (3.2 mm).
- the sintered abrasive grains offered today on the market come in the form of trunks of cylinders. The quality of the millstones produced with these grains is limited by their tendency to loosen; this is particularly the case for grinding wheels for stainless steel ingots. Purpose of the invention.
- the object of the invention is to obtain, using the conventional technique of manufacturing abrasives by sintering, improved anchoring of the grains in the grinding wheel.
- the subject of the invention is sintered abrasive grains based on bauxite or alumina for which the surface / volume ratio is greater than 2 mm "1 (preferably 10 mm " 1 , and even more preferably 20 mm “1 ) and having a prismatic shape truncated by two surfaces, for example substantially planar surfaces and perpendicular to the axis of the prism.
- the particularly advantageous forms of the prism have a section with concavities, for example a star section, and preferably having a symmetry of revolution of order 3 to 6.
- the height / width ratio of the grains is preferably between 1 and 2.5.
- the single figure is a diagram representing, for the 4 examples, the results of the abrasion test carried out on a stainless steel of type AISI 304L with grinding wheels produced in the same way, comprising abrasive grains based on sintered bauxite. various geometries.
- the diagram has the pressure applied to the grinding wheel on the abscissa, and the ratio G between the mass of steel removed and the mass of grinding wheel worn in the same period on the ordinate.
- the abrasive grains according to the invention are effectively anchored in the bonding of the grinding wheels and thus limit their loosening during difficult abrasion operations.
- a batch of abrasive grains of sintered bauxite of cylindrical shape with a diameter of 0.35 mm and a height was produced according to the same technique as in the previous example. between 0.35 mm and 1.0 mm, having a mass per unit length of 0.37 mg / mm and a surface / volume ratio of 11.4 mm " .
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU68515/00A AU6851500A (en) | 1999-08-20 | 2000-08-08 | Abrasive grains for grindstones, with improved anchoring capacity |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR99/10756 | 1999-08-20 | ||
FR9910756A FR2797638B1 (en) | 1999-08-20 | 1999-08-20 | ABRASIVE GRAINS FOR GRINDING WHEELS WITH IMPROVED ANCHORING CAPACITY |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001014494A1 true WO2001014494A1 (en) | 2001-03-01 |
Family
ID=9549320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2000/002271 WO2001014494A1 (en) | 1999-08-20 | 2000-08-08 | Abrasive grains for grindstones, with improved anchoring capacity |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU6851500A (en) |
FR (1) | FR2797638B1 (en) |
WO (1) | WO2001014494A1 (en) |
Cited By (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003104344A1 (en) * | 2002-06-05 | 2003-12-18 | Arizona Board Of Regents | Abrasive particles to clean semiconductor wafers during chemical mechanical planarization |
US8123828B2 (en) | 2007-12-27 | 2012-02-28 | 3M Innovative Properties Company | Method of making abrasive shards, shaped abrasive particles with an opening, or dish-shaped abrasive particles |
US8758461B2 (en) | 2010-12-31 | 2014-06-24 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
US8764863B2 (en) | 2011-12-30 | 2014-07-01 | Saint-Gobain Ceramics & Plastics, Inc. | Composite shaped abrasive particles and method of forming same |
US8840695B2 (en) | 2011-12-30 | 2014-09-23 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particle and method of forming same |
US8840694B2 (en) | 2011-06-30 | 2014-09-23 | Saint-Gobain Ceramics & Plastics, Inc. | Liquid phase sintered silicon carbide abrasive particles |
US8840696B2 (en) | 2012-01-10 | 2014-09-23 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
US8986409B2 (en) | 2011-06-30 | 2015-03-24 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive articles including abrasive particles of silicon nitride |
US9074119B2 (en) | 2012-12-31 | 2015-07-07 | Saint-Gobain Ceramics & Plastics, Inc. | Particulate materials and methods of forming same |
US9150765B2 (en) | 2009-12-22 | 2015-10-06 | 3M Innovative Properties Company | Transfer assisted screen printing method of making shaped abrasive particles and the resulting shaped abrasive particles |
US9200187B2 (en) | 2012-05-23 | 2015-12-01 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particles and methods of forming same |
US9238768B2 (en) | 2012-01-10 | 2016-01-19 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having complex shapes and methods of forming same |
US9242346B2 (en) | 2012-03-30 | 2016-01-26 | Saint-Gobain Abrasives, Inc. | Abrasive products having fibrillated fibers |
US9440332B2 (en) | 2012-10-15 | 2016-09-13 | Saint-Gobain Abrasives, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
US9457453B2 (en) | 2013-03-29 | 2016-10-04 | Saint-Gobain Abrasives, Inc./Saint-Gobain Abrasifs | Abrasive particles having particular shapes and methods of forming such particles |
US9517546B2 (en) | 2011-09-26 | 2016-12-13 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive articles including abrasive particulate materials, coated abrasives using the abrasive particulate materials and methods of forming |
US9566689B2 (en) | 2013-12-31 | 2017-02-14 | Saint-Gobain Abrasives, Inc. | Abrasive article including shaped abrasive particles |
US9604346B2 (en) | 2013-06-28 | 2017-03-28 | Saint-Gobain Cermaics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US9676981B2 (en) | 2014-12-24 | 2017-06-13 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particle fractions and method of forming same |
US9707529B2 (en) | 2014-12-23 | 2017-07-18 | Saint-Gobain Ceramics & Plastics, Inc. | Composite shaped abrasive particles and method of forming same |
US9771507B2 (en) | 2014-01-31 | 2017-09-26 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particle including dopant material and method of forming same |
US9771504B2 (en) | 2012-04-04 | 2017-09-26 | 3M Innovative Properties Company | Abrasive particles, method of making abrasive particles, and abrasive articles |
US9783718B2 (en) | 2013-09-30 | 2017-10-10 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particles and methods of forming same |
US9803119B2 (en) | 2014-04-14 | 2017-10-31 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US9890309B2 (en) | 2008-12-17 | 2018-02-13 | 3M Innovative Properties Company | Abrasive article with shaped abrasive particles with grooves |
US9902045B2 (en) | 2014-05-30 | 2018-02-27 | Saint-Gobain Abrasives, Inc. | Method of using an abrasive article including shaped abrasive particles |
US9914864B2 (en) | 2014-12-23 | 2018-03-13 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particles and method of forming same |
US9938440B2 (en) | 2015-03-31 | 2018-04-10 | Saint-Gobain Abrasives, Inc./Saint-Gobain Abrasifs | Fixed abrasive articles and methods of forming same |
US10106714B2 (en) | 2012-06-29 | 2018-10-23 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
US10137556B2 (en) | 2009-06-22 | 2018-11-27 | 3M Innovative Properties Company | Shaped abrasive particles with low roundness factor |
US10196551B2 (en) | 2015-03-31 | 2019-02-05 | Saint-Gobain Abrasives, Inc. | Fixed abrasive articles and methods of forming same |
US10557067B2 (en) | 2014-04-14 | 2020-02-11 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US10563105B2 (en) | 2017-01-31 | 2020-02-18 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US10711171B2 (en) | 2015-06-11 | 2020-07-14 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US10759024B2 (en) | 2017-01-31 | 2020-09-01 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US10865148B2 (en) | 2017-06-21 | 2020-12-15 | Saint-Gobain Ceramics & Plastics, Inc. | Particulate materials and methods of forming same |
US10987780B2 (en) | 2008-12-17 | 2021-04-27 | 3M Innovative Properties Company | Shaped abrasive particles with a sloping sidewall |
US11230653B2 (en) | 2016-09-29 | 2022-01-25 | Saint-Gobain Abrasives, Inc. | Fixed abrasive articles and methods of forming same |
US11718774B2 (en) | 2016-05-10 | 2023-08-08 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles and methods of forming same |
US11926019B2 (en) | 2019-12-27 | 2024-03-12 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive articles and methods of forming same |
US11959009B2 (en) | 2016-05-10 | 2024-04-16 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles and methods of forming same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239970A (en) * | 1962-08-06 | 1966-03-15 | Carborundum Co | Method of removing surface irregularities from metal articles |
WO1999038817A1 (en) * | 1998-01-28 | 1999-08-05 | Minnesota Mining And Manufacturing Company | Method for making abrasive grain using impregnation and abrasive articles |
-
1999
- 1999-08-20 FR FR9910756A patent/FR2797638B1/en not_active Expired - Lifetime
-
2000
- 2000-08-08 AU AU68515/00A patent/AU6851500A/en not_active Abandoned
- 2000-08-08 WO PCT/FR2000/002271 patent/WO2001014494A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239970A (en) * | 1962-08-06 | 1966-03-15 | Carborundum Co | Method of removing surface irregularities from metal articles |
WO1999038817A1 (en) * | 1998-01-28 | 1999-08-05 | Minnesota Mining And Manufacturing Company | Method for making abrasive grain using impregnation and abrasive articles |
Cited By (87)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003104344A1 (en) * | 2002-06-05 | 2003-12-18 | Arizona Board Of Regents | Abrasive particles to clean semiconductor wafers during chemical mechanical planarization |
US8123828B2 (en) | 2007-12-27 | 2012-02-28 | 3M Innovative Properties Company | Method of making abrasive shards, shaped abrasive particles with an opening, or dish-shaped abrasive particles |
US10987780B2 (en) | 2008-12-17 | 2021-04-27 | 3M Innovative Properties Company | Shaped abrasive particles with a sloping sidewall |
US9890309B2 (en) | 2008-12-17 | 2018-02-13 | 3M Innovative Properties Company | Abrasive article with shaped abrasive particles with grooves |
US9938439B2 (en) | 2008-12-17 | 2018-04-10 | 3M Innovative Properties Company | Production tool to make abrasive particles with grooves |
US11767454B2 (en) | 2008-12-17 | 2023-09-26 | 3M Innovative Properties Company | Production tool to make abrasive particles with grooves |
US10137556B2 (en) | 2009-06-22 | 2018-11-27 | 3M Innovative Properties Company | Shaped abrasive particles with low roundness factor |
US9150765B2 (en) | 2009-12-22 | 2015-10-06 | 3M Innovative Properties Company | Transfer assisted screen printing method of making shaped abrasive particles and the resulting shaped abrasive particles |
US9017439B2 (en) | 2010-12-31 | 2015-04-28 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
US8758461B2 (en) | 2010-12-31 | 2014-06-24 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
US9303196B2 (en) | 2011-06-30 | 2016-04-05 | Saint-Gobain Ceramics & Plastics, Inc. | Liquid phase sintered silicon carbide abrasive particles |
US8986409B2 (en) | 2011-06-30 | 2015-03-24 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive articles including abrasive particles of silicon nitride |
US9598620B2 (en) | 2011-06-30 | 2017-03-21 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive articles including abrasive particles of silicon nitride |
US8840694B2 (en) | 2011-06-30 | 2014-09-23 | Saint-Gobain Ceramics & Plastics, Inc. | Liquid phase sintered silicon carbide abrasive particles |
US9517546B2 (en) | 2011-09-26 | 2016-12-13 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive articles including abrasive particulate materials, coated abrasives using the abrasive particulate materials and methods of forming |
US10428255B2 (en) | 2011-12-30 | 2019-10-01 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particle and method of forming same |
US10280350B2 (en) | 2011-12-30 | 2019-05-07 | Saint-Gobain Ceramics & Plastics, Inc. | Composite shaped abrasive particles and method of forming same |
US8840695B2 (en) | 2011-12-30 | 2014-09-23 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particle and method of forming same |
US8764863B2 (en) | 2011-12-30 | 2014-07-01 | Saint-Gobain Ceramics & Plastics, Inc. | Composite shaped abrasive particles and method of forming same |
US11453811B2 (en) | 2011-12-30 | 2022-09-27 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particle and method of forming same |
US9765249B2 (en) | 2011-12-30 | 2017-09-19 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particle and method of forming same |
US10106715B2 (en) | 2012-01-10 | 2018-10-23 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having complex shapes and methods of forming same |
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US9771506B2 (en) | 2012-01-10 | 2017-09-26 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having complex shapes and methods of forming same |
US11859120B2 (en) | 2012-01-10 | 2024-01-02 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having an elongated body comprising a twist along an axis of the body |
US8840696B2 (en) | 2012-01-10 | 2014-09-23 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
US9242346B2 (en) | 2012-03-30 | 2016-01-26 | Saint-Gobain Abrasives, Inc. | Abrasive products having fibrillated fibers |
US11905451B2 (en) | 2012-04-04 | 2024-02-20 | 3M Innovative Properties Company | Abrasive particles, method of making abrasive particles, and abrasive articles |
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US11634618B2 (en) | 2012-04-04 | 2023-04-25 | 3M Innovative Properties Company | Abrasive particles, method of making abrasive particles, and abrasive articles |
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US9428681B2 (en) | 2012-05-23 | 2016-08-30 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particles and methods of forming same |
US9688893B2 (en) | 2012-05-23 | 2017-06-27 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particles and methods of forming same |
US9200187B2 (en) | 2012-05-23 | 2015-12-01 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particles and methods of forming same |
US10000676B2 (en) | 2012-05-23 | 2018-06-19 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particles and methods of forming same |
US10106714B2 (en) | 2012-06-29 | 2018-10-23 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
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US9440332B2 (en) | 2012-10-15 | 2016-09-13 | Saint-Gobain Abrasives, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
US9676982B2 (en) | 2012-12-31 | 2017-06-13 | Saint-Gobain Ceramics & Plastics, Inc. | Particulate materials and methods of forming same |
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US11590632B2 (en) | 2013-03-29 | 2023-02-28 | Saint-Gobain Abrasives, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
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US11230653B2 (en) | 2016-09-29 | 2022-01-25 | Saint-Gobain Abrasives, Inc. | Fixed abrasive articles and methods of forming same |
US10563105B2 (en) | 2017-01-31 | 2020-02-18 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US11549040B2 (en) | 2017-01-31 | 2023-01-10 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles having a tooth portion on a surface |
US10759024B2 (en) | 2017-01-31 | 2020-09-01 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US11932802B2 (en) | 2017-01-31 | 2024-03-19 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles comprising a particular toothed body |
US11427740B2 (en) | 2017-01-31 | 2022-08-30 | Saint-Gobain Ceramics & Plastics, Inc. | Method of making shaped abrasive particles and articles comprising forming a flange from overfilling |
US10865148B2 (en) | 2017-06-21 | 2020-12-15 | Saint-Gobain Ceramics & Plastics, Inc. | Particulate materials and methods of forming same |
US11926019B2 (en) | 2019-12-27 | 2024-03-12 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive articles and methods of forming same |
Also Published As
Publication number | Publication date |
---|---|
FR2797638A1 (en) | 2001-02-23 |
FR2797638B1 (en) | 2001-09-21 |
AU6851500A (en) | 2001-03-19 |
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