JP6099660B2 - 複合研磨ホイール - Google Patents
複合研磨ホイール Download PDFInfo
- Publication number
- JP6099660B2 JP6099660B2 JP2014541150A JP2014541150A JP6099660B2 JP 6099660 B2 JP6099660 B2 JP 6099660B2 JP 2014541150 A JP2014541150 A JP 2014541150A JP 2014541150 A JP2014541150 A JP 2014541150A JP 6099660 B2 JP6099660 B2 JP 6099660B2
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- JP
- Japan
- Prior art keywords
- abrasive particles
- shaped ceramic
- abrasive
- ceramic abrasive
- mold
- 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.)
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- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 2
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- 239000006061 abrasive grain Substances 0.000 description 2
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- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
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- 229920006393 polyether sulfone Polymers 0.000 description 1
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- 239000004848 polyfunctional curative Substances 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000429 sodium aluminium silicate Substances 0.000 description 1
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000012703 sol-gel precursor Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
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
- B24D7/14—Zonally-graded wheels; Composite wheels comprising different abrasives
-
- 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
-
- 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
- B24D5/12—Cut-off wheels
-
- 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
- B24D5/14—Zonally-graded wheels; Composite wheels comprising different abrasives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
前面を画定する1次研磨部分であって、第1有機結合剤に保持された成形セラミック研磨粒子を含む1次研磨部分と、
前面と反対側の後面を画定する2次研磨部分であって、この2次研磨部分が1次研磨部分に結合され、第2有機結合剤に保持された2次破砕研磨粒子を含み、1次研磨部分が2次研磨部分より大きな体積パーセントの成形セラミック研磨粒子を含む、2次研磨部分と、を含み、
前面から後面まで延在する中央開口部を複合研磨ホイールの中に有する、複合研磨ホイールを提供する。
第1の実施形態では、本開示は、
前面を画定する1次研磨部分であって、第1有機結合剤に保持された成形セラミック研磨粒子を含む1次研磨部分と、
前面と反対側の後面を画定する2次研磨部分であって、この2次研磨部分が1次研磨部分に結合され、第2有機結合剤に保持された2次破砕研磨粒子を含み、1次研磨部分が2次研磨部分より大きな体積パーセントの成形セラミック研磨粒子を含む、2次研磨部分と、を含み、
前面から後面まで延在する中央開口部を複合研磨ホイールの中に有する、複合研磨ホイールを提供する。
ベーマイトゾル−ゲル組成物は、次の配合を使用して製造した。水(2400部)及び70%の含水硝酸(72部)を含有する溶液を11分間高せん断混合することによって、商品名「DISPERAL」を有する酸化アルミニウム一水和物粉末(1600部)を分散させた。得られたゾル−ゲルは、被覆前に少なくとも1時間エージングした。ゾルゲルは、28ミル(0.71mm)の深さ及び各辺110ミル(2.8mm)の三角形の成形型のキャビティを有する生産用金型に押し入れた。側壁と底部との間の抜き勾配角αは98度であった。成形型のキャビティの50%が、三角形の一辺と90度の角度で交差するキャビティの底面から上がる8つの平行の隆起部を有し、残りのキャビティが平滑な成形型底面を有した。平行な隆線は0.277mmごとに離隔され、隆線の断面は、高さ0.0127mmで、先端におけるそれぞれの隆線の辺の間の角度が45度の三角形であった。離型剤(メタノール中のピーナッツオイルの1%溶液)を使用して約0.5mg/in2(0.08mg/cm2)のピーナッツオイルで生産用金型を被覆した。過剰なメタノールは、生産用金型のシートを空気対流炉に45℃で5分間配置することにより除去した。ゾル−ゲルは、生産用金型の開口部が完全に充填されるように、パテナイフを使用してキャビティに押し入れた。ゾルゲルで被覆された生産用金型は、45℃の空気対流炉に少なくとも45分間配置して乾燥させた。得られた乾燥した成形粒子を、超音波ホーンを通過させることにより、生産用金型から取り出した。乾燥した成形粒子は、約650℃で焼成し、硝酸マグネシウム溶液で飽和状態した(MgOとして10.5重量%、及び0.02重量%のHC5をその中に分散した状態で有する)。余剰の硝酸溶液を除去し、飽和した成形粒子を乾燥させて、その後、この粒子を再び650℃で焼成し、約1400℃で焼結して、成形セラミック研磨粒子を得た。焼成及び焼結のいずれも、回転管状窯を使用して実施した。
表1に掲げる成分の量に従って5つの混合物を調製した。混合物1及び混合物4(液体成分を有する)は、空気ミキサーを使用して示された成分を混合することによって調製した。混合物2(乾燥成分)は、パドルミキサーを1分間使用して示された成分をかき混ぜることによって調製した。混合物3は、パドルミキサーを10分間使用して混合物1及び混合物2を混合することによって調製した。混合物5は、パドルミキサーを10分間使用して混合物4及び混合物2を混合することによって調製した。
タイプ27の凹状中央の複合研削ホイールを次のように調製した。直径7インチ(18cm)のSCRIM(スクリム)のディスクを、直径7インチ(18cm)のキャビティのダイに配置した。混合3(150グラム)を、均等に拡散し、第2の6.75インチ(17cm)のSCRIMのディスクをその混合の上に配置した。混合5(200gm)を均等に拡散し、5インチ(13cm)のSCRIMディスクをキャビティ内に挿入した。充填されたキャビティの成形型を次に40トン/38in2(14.5MPa)の圧力で加圧した。
表2にレポートされる成分の量に従って6つの混合物を調製した。混合物6及び混合物9(液体成分を有する)を速度48RPMで6分間、緩やかに回転するミキサーで混合して調製した。混合物7及び混合物10(乾燥成分)を速度3000rmpで3分間、高速回転するミルミキサーで調製した。混合物8は、パドルミキサーを10分間使用して混合した混合物6及び混合物7であった。同様に、混合物11は、混合物9及び混合物10の混合物であり、パドルミキサーで混合したものであった。
比較実施例Aは、混合物5を下部及び上部の両方の層に使用した以外、実施例1の手順に従って調製されたタイプ27の凹状中央の研削ホイールであった。この構成では、成形セラミック研磨粒子は研磨ホイール全体に分配された。
比較実施例Bは、セラミックアルミナ及びジルコニアアルミナ砥粒を含む、市販されているタイプ27の2層の凹状中央の研削ホイールであった。これは、Norton Abrasives(Worcester,Massachusetts)から「7×.125×7/8 NORZON PLUS Type 27 depressed center wheel」として入手された。
研磨ホイール(ディスク)を、矩形の軟鋼の棒(0.5インチ(1.3cm)×18インチ(45.7cm)×3インチ(7.6cm))で、0.5インチ(1.3cm)×18インチ(45.7cm)の面上を手で6000RPMの空気駆動式グラインダーを使用して、1分サイクルを10サイクル研削することによって試験した。負荷荷重は、グラインダー重量の13ポンド(5.9kg)であった。棒鋼は、各サイクルの前後に重さを量り、重量喪失(すなわち、切削)を記録した。棒鋼は、サイクルごとに端から端まで16回移動した。ディスクの切削による重量喪失(すなわち、ディスクの摩耗)は、各10サイクル試験後に記録した。試験結果を表3(以下)で報告する。
Claims (2)
- 前面を画定する1次研磨部分であって、第1有機結合剤に保持された複数の成形セラミック研磨粒子、及び該成形セラミック研磨粒子より小さい平均粒径を有する複数の第1研磨粒子を含む1次研磨部分と、
前記前面と反対側の後面を画定する2次研磨部分であって、前記2次研磨部分が前記1次研磨部分に結合され、前記2次研磨部分が、第2有機結合剤に保持され且つ前記成形セラミック研磨粒子よりも細かいサイズの複数の第2研磨粒子と、複数の前記成形セラミック研磨粒子とを含み、前記1次研磨部分が前記2次研磨部分より大きな体積パーセントの前記成形セラミック研磨粒子を含む、2次研磨部分と、を含み、
前記前面から前記後面まで延在する中央開口部を複合研磨ホイールの中に有する、複合研磨ホイール。 - 前面を画定する1次研磨部分であって、第1有機結合剤に保持された複数の成形セラミック研磨粒子を含む1次研磨部分と、
前記前面と反対側の後面を画定する2次研磨部分であって、前記2次研磨部分が前記1次研磨部分に結合され、前記2次研磨部分が、第2有機結合剤に保持され且つ前記成形セラミック研磨粒子よりも細かいサイズの複数の研磨粒子と、複数の前記成形セラミック研磨粒子とを含み、前記1次研磨部分が前記2次研磨部分より大きな体積パーセントの前記成形セラミック研磨粒子を含む、2次研磨部分と、を含み、
前記前面から前記後面まで延在する中央開口部を複合研磨ホイールの中に有し、
前記複数の成形セラミック研磨粒子が切頭三角錐を含み、
前記切頭三角錐が75〜85度の範囲内の傾斜角を有する、複合研磨ホイール。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201161557563P | 2011-11-09 | 2011-11-09 | |
US61/557,563 | 2011-11-09 | ||
PCT/US2012/063662 WO2013070576A2 (en) | 2011-11-09 | 2012-11-06 | Composite abrasive wheel |
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JP2015501731A JP2015501731A (ja) | 2015-01-19 |
JP2015501731A5 JP2015501731A5 (ja) | 2015-12-24 |
JP6099660B2 true JP6099660B2 (ja) | 2017-03-22 |
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US (1) | US9321149B2 (ja) |
EP (1) | EP2776210B1 (ja) |
JP (1) | JP6099660B2 (ja) |
KR (1) | KR101951978B1 (ja) |
CN (1) | CN104023916B (ja) |
BR (1) | BR112014011329A2 (ja) |
CA (1) | CA2857088C (ja) |
IN (1) | IN2014CN03358A (ja) |
MX (1) | MX349839B (ja) |
PL (1) | PL2776210T3 (ja) |
RU (1) | RU2599067C2 (ja) |
WO (1) | WO2013070576A2 (ja) |
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CN103764349B (zh) | 2011-06-30 | 2017-06-09 | 圣戈本陶瓷及塑料股份有限公司 | 液相烧结碳化硅研磨颗粒 |
WO2013003830A2 (en) | 2011-06-30 | 2013-01-03 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive articles including abrasive particles of silicon nitride |
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WO2013102176A1 (en) | 2011-12-30 | 2013-07-04 | Saint-Gobain Ceramics & Plastics, Inc. | Forming shaped abrasive particles |
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RU2599067C2 (ru) | 2016-10-10 |
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CA2857088C (en) | 2020-03-10 |
PL2776210T3 (pl) | 2017-07-31 |
MX349839B (es) | 2017-08-16 |
JP2015501731A (ja) | 2015-01-19 |
US20140256238A1 (en) | 2014-09-11 |
RU2014118633A (ru) | 2015-12-20 |
CN104023916B (zh) | 2017-07-14 |
EP2776210A4 (en) | 2015-07-29 |
CA2857088A1 (en) | 2013-05-16 |
BR112014011329A2 (pt) | 2017-04-25 |
KR101951978B1 (ko) | 2019-02-25 |
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