RU2014106604A - GRINDING TOOL FOR PROCESSING FRAGILE MATERIALS AND METHOD FOR PRODUCING GRINDING INSTRUMENT - Google Patents

GRINDING TOOL FOR PROCESSING FRAGILE MATERIALS AND METHOD FOR PRODUCING GRINDING INSTRUMENT Download PDF

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RU2014106604A
RU2014106604A RU2014106604/02A RU2014106604A RU2014106604A RU 2014106604 A RU2014106604 A RU 2014106604A RU 2014106604/02 A RU2014106604/02 A RU 2014106604/02A RU 2014106604 A RU2014106604 A RU 2014106604A RU 2014106604 A RU2014106604 A RU 2014106604A
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grinding tool
matrix
metal
binder
volume
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RU2014106604/02A
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RU2594923C2 (en
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Майкл ТОЛИН
Фредрик ВЕСТБЕРГ
Стефан Берг
Ида ЙОХАНССОН
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Слипнаксос Актиеболаг
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    • 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
    • B24D3/08—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 close-grained structure, e.g. using metal with low melting point
    • 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
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/18—Non-metallic particles coated with metal
    • 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
    • B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
    • 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
    • B24D3/20—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 organic
    • B24D3/22—Rubbers synthetic or natural
    • B24D3/24—Rubbers synthetic or natural for close-grained structure
    • 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
    • B24D3/20—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 organic
    • B24D3/28—Resins or natural or synthetic macromolecular compounds
    • 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
    • B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
    • B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/02—Wheels in one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
    • 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
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D99/00—Subject matter not provided for in other groups of this subclass
    • B24D99/005—Segments of abrasive wheels
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
    • C22C32/0068—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only nitrides
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps

Abstract

1. Шлифовальный инструмент (1) для обработки твердых и/или хрупких материалов, где шлифовальный инструмент (1) состоит из сердечника (2) и абразивного ободка (4), абразивный ободок (4) содержит абразивные частицы (5), внедренные в матрицу (6), матрица (6), содержит металлический связующий агент, который является спеченным бронзовым сплавом, металлический связующий агент составляет 50-100% от объема матрицы, металлический связующий агент, содержащий нитрид кремния в количестве, которое составляет 0,02-5,0% от объема металлического связующего и характеризуется тем, что нитрид кремния присутствует в форме зерен, которые имеют средний размер зерен меньше чем 10 мкм и выше 0,1 мкм.2. Шлифовальный инструмент (1) по п. 1 формулы, где матрица (6) также содержит полимерный связующий агент, который был спечен вместе с металлическим связующим веществом так, что полимерное и металлическое связующие образуют связную цепь.3. Шлифовальный инструмент (1) по п. 1 или 2, где нитрид кремния составляет 0,3-5,0% от объема металлического связующего, предпочтительно 0,5-3% от объема и еще более предпочтительно 0,5%-2% от объема.4. Шлифовальный инструмент по п. 2, где полимерный связующий агент содержит полиимида.5. Шлифовальный инструмент по п. 1 или 2, где матрица дополнительно содержит наполнитель, такой как графит.6. Шлифовальный инструмент по п. 1, где металлическое связующее является бронзовым сплавом, который содержит медь, олово и серебро.7. Шлифовальный инструмент по п. 1, где абразивные частицы (5) являются алмазными частицами или частицами борозона.8. Шлифовальный инструмент по п. 7, где абразивные частицы (5) имеют средний размер частиц в диапазоне 4-181 мкм и предпочтите�1. Grinding tool (1) for processing hard and / or brittle materials, where the grinding tool (1) consists of a core (2) and an abrasive rim (4), the abrasive rim (4) contains abrasive particles (5) embedded in the matrix (6), the matrix (6) contains a metal binder, which is a sintered bronze alloy, the metal binder is 50-100% of the volume of the matrix, a metal binder containing silicon nitride in an amount of 0.02-5, 0% by volume of the metal binder and is characterized by the fact that silicon nitride is present in the form of grains, which have an average grain size of less than 10 microns and above 0.1 microns. 2. Grinding tool (1) according to claim 1 of the formula, where the matrix (6) also contains a polymer binder, which has been sintered together with a metal binder so that the polymer and metal binders form a coherent chain. Grinding tool (1) according to claim 1 or 2, where silicon nitride is 0.3-5.0% by volume of the metal binder, preferably 0.5-3% by volume and even more preferably 0.5% -2% by volume volume 4. The grinding tool of claim 2, wherein the polymer binder comprises polyimide. The grinding tool according to claim 1 or 2, wherein the matrix further comprises a filler such as graphite. The grinding tool of claim 1, wherein the metal binder is a bronze alloy that contains copper, tin, and silver. The grinding tool according to claim 1, wherein the abrasive particles (5) are diamond or furrow particles. The grinding tool according to claim 7, wherein the abrasive particles (5) have an average particle size in the range of 4-181 μm and are preferred

Claims (14)

1. Шлифовальный инструмент (1) для обработки твердых и/или хрупких материалов, где шлифовальный инструмент (1) состоит из сердечника (2) и абразивного ободка (4), абразивный ободок (4) содержит абразивные частицы (5), внедренные в матрицу (6), матрица (6), содержит металлический связующий агент, который является спеченным бронзовым сплавом, металлический связующий агент составляет 50-100% от объема матрицы, металлический связующий агент, содержащий нитрид кремния в количестве, которое составляет 0,02-5,0% от объема металлического связующего и характеризуется тем, что нитрид кремния присутствует в форме зерен, которые имеют средний размер зерен меньше чем 10 мкм и выше 0,1 мкм.1. Grinding tool (1) for processing hard and / or brittle materials, where the grinding tool (1) consists of a core (2) and an abrasive rim (4), the abrasive rim (4) contains abrasive particles (5) embedded in the matrix (6), the matrix (6), contains a metal binder, which is a sintered bronze alloy, a metal binder is 50-100% of the matrix, a metal binder containing silicon nitride in an amount of 0.02-5, 0% of the volume of the metal binder and characterization tsya in that the silicon nitride is present in the form of grains having an average grain size less than 10 microns and above 0.1 microns. 2. Шлифовальный инструмент (1) по п. 1 формулы, где матрица (6) также содержит полимерный связующий агент, который был спечен вместе с металлическим связующим веществом так, что полимерное и металлическое связующие образуют связную цепь.2. A grinding tool (1) according to claim 1, wherein the matrix (6) also contains a polymeric binder, which has been sintered together with a metal binder so that the polymeric and metal binders form a connected chain. 3. Шлифовальный инструмент (1) по п. 1 или 2, где нитрид кремния составляет 0,3-5,0% от объема металлического связующего, предпочтительно 0,5-3% от объема и еще более предпочтительно 0,5%-2% от объема.3. A grinding tool (1) according to claim 1 or 2, wherein silicon nitride is 0.3-5.0% by volume of the metal binder, preferably 0.5-3% by volume, and even more preferably 0.5% -2 % of the volume. 4. Шлифовальный инструмент по п. 2, где полимерный связующий агент содержит полиимида.4. The grinding tool according to claim 2, wherein the polymeric binder contains polyimide. 5. Шлифовальный инструмент по п. 1 или 2, где матрица дополнительно содержит наполнитель, такой как графит.5. The grinding tool according to claim 1 or 2, where the matrix further comprises a filler, such as graphite. 6. Шлифовальный инструмент по п. 1, где металлическое связующее является бронзовым сплавом, который содержит медь, олово и серебро.6. The grinding tool according to claim 1, where the metal binder is a bronze alloy that contains copper, tin and silver. 7. Шлифовальный инструмент по п. 1, где абразивные частицы (5) являются алмазными частицами или частицами борозона.7. A grinding tool according to claim 1, wherein the abrasive particles (5) are diamond particles or borosone particles. 8. Шлифовальный инструмент по п. 7, где абразивные частицы (5) имеют средний размер частиц в диапазоне 4-181 мкм и предпочтительно в диапазоне от 46-91 мкм.8. A grinding tool according to claim 7, wherein the abrasive particles (5) have an average particle size in the range of 4-181 microns and preferably in the range of 46-91 microns. 9. Шлифовальный инструмент по п. 8, где абразивные частицы (5) имеют покрытие из меди или никеля.9. A grinding tool according to claim 8, wherein the abrasive particles (5) are coated with copper or nickel. 10. Способ изготовления шлифовального инструмента (1), где способ включает спекание абразивных частиц вместе с металлическим порошком, который содержит медь и олово, так что спекание имеет результат в матрице (6), в которую внедрены абразивные частицы (6); при этом матрица, содержащая металлический связующий агент, является сплавом спеченной бронзы, характеризующегося тем, что нитрид кремния в виде порошка добавляется к металлическому порошку перед спеканием и в таком количестве, что нитрид кремния составит 0,02-5,0% от объема металлического связующего; где добавляемый нитрид кремния выполнен в форме зерен, имеющих средний размер зерна меньше, чем 10 мкм, и выше 0,1 мкм.10. A method of manufacturing a grinding tool (1), where the method includes sintering abrasive particles together with a metal powder that contains copper and tin, so that sintering has a result in the matrix (6) into which the abrasive particles (6) are embedded; the matrix containing a metal binder is an alloy of sintered bronze, characterized in that silicon nitride in the form of a powder is added to the metal powder before sintering and in such an amount that silicon nitride will be 0.02-5.0% of the volume of the metal binder ; where the added silicon nitride is made in the form of grains having an average grain size of less than 10 microns and higher than 0.1 microns. 11. Способ по п. 10, где металлический порошок дополнительно содержит серебро.11. The method of claim 10, wherein the metal powder further comprises silver. 12. Способ по п. 10 или 11, где полимер добавляют к металлическому порошку перед спеканием, предпочтительно в виде порошка полиимида, так, что также образуется полимерное связующее вещество, которое является частью матрицы (6).12. The method according to p. 10 or 11, where the polymer is added to the metal powder before sintering, preferably in the form of a polyimide powder, so that a polymer binder is also formed, which is part of the matrix (6). 13. Способ по п. 10, где способ включает: смешивание порошкового материала для связующих веществ матрицы (6) с абразивными частицами (5); уплотнение смеси в холодном прессе; отверждение уплотненной смеси в промышленной печи при температуре в диапазоне от 380-520°C, предпочтительно 400-500°C, в течение 120-150 минут; после этого, размещение уплотненной и отвержденной смеси в прессе, подвергая ее воздействию давления 1500-2000 кг/см2; и удерживая давление, пока смесь не достигнет температуры ниже 300°C.13. The method according to p. 10, where the method includes: mixing the powder material for the matrix binders (6) with abrasive particles (5); seal the mixture in a cold press; curing the compacted mixture in an industrial furnace at a temperature in the range of 380-520 ° C, preferably 400-500 ° C, for 120-150 minutes; after that, placing the compacted and cured mixture in the press, exposing it to a pressure of 1500-2000 kg / cm 2 ; and holding the pressure until the mixture reaches a temperature below 300 ° C. 14. Способ по п. 10, где наполнитель добавляют к смеси металлического порошка и абразивных частиц (5) перед спеканием и где наполнитель содержит графит. 14. The method according to p. 10, where the filler is added to a mixture of metal powder and abrasive particles (5) before sintering and where the filler contains graphite.
RU2014106604/02A 2011-07-22 2012-07-18 Grinding tool for processing fragile materials and method of its manufacturing RU2594923C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1150720A SE537723C2 (en) 2011-07-22 2011-07-22 A grinding tool for machining brittle materials and a process for making a grinding tool
SE1150720-9 2011-07-22
PCT/SE2012/050842 WO2013015737A1 (en) 2011-07-22 2012-07-18 A grinding tool for machining brittle materials and a method of making a grinding tool

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RU2014106604A true RU2014106604A (en) 2015-09-10
RU2594923C2 RU2594923C2 (en) 2016-08-20

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US (1) US20140227952A1 (en)
EP (1) EP2734334B1 (en)
JP (1) JP5982725B2 (en)
KR (1) KR101861890B1 (en)
CN (1) CN103781596B (en)
AU (1) AU2012287547B2 (en)
BR (1) BR112014001447A2 (en)
CA (1) CA2842534A1 (en)
IL (1) IL230524A (en)
MX (1) MX358578B (en)
MY (1) MY169695A (en)
RU (1) RU2594923C2 (en)
SE (1) SE537723C2 (en)
WO (1) WO2013015737A1 (en)
ZA (1) ZA201400915B (en)

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