JP2019527148A - 成形ガラス化研磨凝集体、研磨物品、及び研磨方法 - Google Patents
成形ガラス化研磨凝集体、研磨物品、及び研磨方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
- B24D11/001—Manufacture of flexible abrasive materials
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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
- B24D3/34—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
- B24D3/346—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 utilised during polishing, or grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
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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
- B24D3/001—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 supporting member
- B24D3/002—Flexible supporting members, e.g. paper, woven, plastic materials
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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
- B24D3/14—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 ceramic, i.e. vitrified bondings
- B24D3/18—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 ceramic, i.e. vitrified bondings for porous or cellular 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
- B24D3/02—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
- B24D3/32—Resins or natural or synthetic macromolecular compounds for porous or cellular structure
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Description
本出願は、2016年7月20日に出願された米国特許仮出願第62/364,495号への優先権を主張するものであり、その開示全体が参照により本明細書に組み込まれる。
第1の実施形態では、本開示は、ガラスマトリックス中で結合された溶融酸化アルミニウム鉱物を含む研磨凝集粒子であって、研磨凝集粒子の重量を基準として、溶融酸化アルミニウム鉱物は70重量パーセント〜95重量パーセントの範囲内で存在し、ガラスマトリックスは少なくとも5重量パーセント存在し、溶融酸化アルミニウム鉱物は最大300マイクロメートルの平均粒子サイズを有し、研磨凝集粒子は2〜15度の範囲内のテーパ角度及び少なくとも400マイクロメートルの寸法を有する側壁を有する角錐台形状を有する、研磨凝集粒子を提供する。
ワークピースを実施形態9〜17のいずれか1つに記載の研磨物品と接触させることと、
ワークピース及び研磨物品を互いに対して移動させてワークピースを研磨することと、を含む、方法を提供する。
ワークピースを研磨物品と接触させることであって、ワークピースは20以下のロックウェルC硬度を有する、ことと、
ワークピース及び研磨物品を互いに対して移動させてワークピースを研磨することと、を含み、研磨物品は、バッキングと、60未満のヌープ硬度を有するポリマーバインダーを用いてこのバッキングに付着させた複数の成形研磨凝集粒子と、を含み、成形研磨凝集粒子は、ガラスマトリックス中で結合された最大3000のヌープ硬度を有する研磨粒子を含む、方法を提供する。
実施例1〜5の各々において使用される凝集体に関して、表2に列挙した成分を混合することによってスラリーを調製した。これらの成分を、高せん断ミキサを使用して混合した。結果的に得られたスラリーを、長さ及び幅が約0.87mmの正方形の開口部並びに長さ及び幅が約0.65mmの正方形の基部を有する空洞を有するポリプロピレン製の型の中に被覆した。これらの空洞の深さ(図1のH)は0.77mmであった。型のテーパ角度は8度であった。スラリーを110℃のオーブン内で20分間乾燥させて、成形凝集体を形成した。
ドイツ、HerfordのGustav Ernstmeier GmbH&Co.KGから「ERATEX QUALITY N859 P39 YB1700」として入手した布バッキングを、52部のレゾールフェノール樹脂(ジョージア州AtlantaのGeorgia Pacific Chemicalsから商品名「GP 8339 R−23155B」で入手)、45部のメタケイ酸カルシウム(ニューヨーク州WillsboroのNYCO Companyから商品名「WOLLASTOCOAT」で入手)、及び2.5部の水から成る272.0g/m2のフェノールメイク樹脂で被覆し、このバッキング織物に充填し余分な樹脂を除去するためにはナイフを使用した。
ミズーリ州O’FallonのVSM Abrasives Corporationから「KK718X」Grit P600の商品名で入手した、被覆研磨ベルト。
VSM Abrasives Corporationから「KK718X」Grit P400の商品名で入手した、被覆研磨ベルト。
VSM Abrasives Corporationから「KK718X」Grit P320の商品名で入手した、被覆研磨ベルト。
VSM Abrasives Corporationから「KK718X」Grit P240の商品名で入手した、被覆研磨ベルト。
VSM Abrasives Corporationから「KK718X」Grit P180の商品名で入手した、被覆研磨ベルト。
ミネソタ州Saint Paulの3M Companyから「359F」Grit P400の商品名で入手した、被覆研磨ベルト。
3M Companyから「359F」Grit P320の商品名で入手した、被覆研磨ベルト。
3M Companyから「359F」Grit P180の商品名で入手した、被覆研磨ベルト。
実施例1〜5及び比較例A〜Hの各々から、最終的な硬化したベルトを型抜きすることによって、直径2インチ(5.08cm)の被覆研磨材ディスクを製作した。ROLOC(TR型)迅速交換アタッチメント(米国特許第6,817,935号の開示に記載される)を接着剤(オハイオ州WestlakeのHenkel Corporationから「LOCTITE 406」の商品名で入手)を使用して、ディスクの背面中央に固着した。2インチ×18インチ×0.5インチ(50.8mm×457.2mm×12.7mm)の寸法の1018鋼棒が固定されたX−Yテーブルの上に配設された電動回転器具上に、試験するディスクを装着した。器具は、棒の長さに沿ってX方向に6インチ/秒(152.4mm/秒)の速度で移動するようにセットした。次いで回転器具を作動させて、無負荷で毎分7500回、回転させた。ディスクの下の、棒の研削される表面上に、一筋の水道水を導いた。次いで研磨物品を、棒に対して5度の角度で9ポンド(4.08キログラム)の荷重で押し付けた。次いで器具を作動させて、棒の長さに沿って移動させた。次いで器具を持ち上げ、棒の反対側の端まで戻した。棒の長さに沿ったこのような研削−戻りの行程を10回、合計6サイクルの各サイクルにおいて完了した。棒の質量を各サイクルの前後で測定して、各サイクル後のグラム単位の合計質量損失を求めた。6サイクルの終わりに、累積質量損失を求めた。ディスクを試験の完了(6サイクル)の前後で計量して、磨耗量を求めた。各実施例の試験結果を表6に示す。
Claims (15)
- ガラスマトリックス中で結合された溶融酸化アルミニウム鉱物を含む研磨凝集粒子であって、前記研磨凝集粒子の重量を基準として、前記溶融酸化アルミニウム鉱物は70重量パーセント〜95重量パーセントの範囲内で存在し、前記ガラスマトリックスは少なくとも5重量パーセント存在し、前記溶融酸化アルミニウム鉱物は最大300マイクロメートルの平均粒子サイズを有し、前記研磨凝集粒子は2〜15度の範囲内のテーパ角度及び少なくとも400マイクロメートルの寸法を有する側壁を有する角錐台形状を有する、研磨凝集粒子。
- 前記研磨凝集粒子は1.5ミリメートル未満の最大寸法を有する、請求項1に記載の研磨凝集粒子。
- 前記溶融酸化アルミニウム鉱物は少なくとも10マイクロメートルの平均粒子サイズ を有する、請求項1又は2に記載の研磨凝集粒子。
- 前記溶融酸化アルミニウム鉱物は最大200マイクロメートルの平均粒子サイズを有する、請求項1〜3のいずれか一項に記載の研磨凝集粒子。
- 前記研磨凝集粒子は人工的な多孔性を有する、請求項1〜4のいずれか一項に記載の研磨凝集粒子。
- 請求項1〜5のいずれか一項に記載の複数の研磨凝集粒子を含む、研磨物品。
- 前記研磨物品は被覆研磨物品である、請求項6に記載の研磨物品。
- 前記被覆研磨材物品は、バッキングと、ポリマーバインダーを用いて前記バッキングに付着させた前記複数の研磨凝集粒子と、を含む、請求項7に記載の研磨物品。
- 前記ポリマーバインダーはフェノール系バインダーを含む、請求項8に記載の研磨物品。
- 前記ポリマーバインダーは60未満のヌープ硬度を有する、請求項8又は9に記載の研磨物品。
- 前記研磨物品は不織布研磨物品である、請求項6に記載の研磨物品。
- ワークピースの研磨方法であって、
前記ワークピースを請求項6〜11のいずれか一項に記載の研磨物品と接触させることと、
前記ワークピース及び前記研磨物品を互いに対して移動させて前記ワークピースを研磨することと、
を含む、方法。 - 前記ワークピースは20以下のロックウェルC硬度を有する、請求項12に記載の方法。
- ワークピースの研磨方法であって、
前記ワークピースを研磨物品と接触させることであって、前記ワークピースは20以下のロックウェルC硬度を有する、ことと、
前記ワークピース及び前記研磨物品を互いに対して移動させて前記ワークピースを研磨することと、を含み、前記研磨物品は、バッキングと、60未満のヌープ硬度を有するポリマーバインダーを用いて前記バッキングに付着させた複数の成形研磨凝集粒子と、を含み、前記成形研磨凝集粒子は、ガラスマトリックス中で結合された最大3000のヌープ硬度を有する研磨粒子を含む、方法。 - 前記ワークピースはステンレス鋼、炭素鋼、又はチタンのうちの少なくとも1つを含む、請求項12〜14のいずれか一項に記載の方法。
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US201662364495P | 2016-07-20 | 2016-07-20 | |
US62/364,495 | 2016-07-20 | ||
PCT/US2017/042825 WO2018017695A1 (en) | 2016-07-20 | 2017-07-19 | Shaped vitrified abrasive agglomerate, abrasive articles, and method of abrading |
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JP2019527148A5 JP2019527148A5 (ja) | 2020-08-27 |
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US (1) | US11607776B2 (ja) |
EP (1) | EP3487664B1 (ja) |
JP (1) | JP2019527148A (ja) |
CN (1) | CN109475998B (ja) |
WO (1) | WO2018017695A1 (ja) |
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WO2018081246A1 (en) | 2016-10-25 | 2018-05-03 | 3M Innovative Properties Company | Shaped vitrified abrasive agglomerate with shaped abrasive particles, abrasive articles, and related methods |
US20210002533A1 (en) * | 2018-03-01 | 2021-01-07 | 3M Innovative Properties Company | Shaped siliceous abrasive agglomerate with shaped abrasive particles, abrasive articles, and related methods |
EP3663042A1 (en) | 2018-12-05 | 2020-06-10 | 3M Innovative Properties Company | Abrasive article comprising agglomerates and method of making thereof |
BR112021015764A2 (pt) | 2019-02-11 | 2021-10-05 | 3M Innovative Properties Company | Artigo abrasivo |
KR20220116556A (ko) * | 2019-12-27 | 2022-08-23 | 세인트-고바인 세라믹스 앤드 플라스틱스, 인크. | 연마 물품 및 이의 형성 방법 |
EP4121249A1 (en) | 2020-03-18 | 2023-01-25 | 3M Innovative Properties Company | Abrasive article |
WO2022034397A1 (en) | 2020-08-10 | 2022-02-17 | 3M Innovative Properties Company | Abrasive system and method of using the same |
CN115533770A (zh) * | 2021-06-30 | 2022-12-30 | 圣戈班磨料磨具有限公司 | 磨料制品及其形成方法 |
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- 2017-07-19 JP JP2019502640A patent/JP2019527148A/ja active Pending
- 2017-07-19 EP EP17745944.3A patent/EP3487664B1/en active Active
- 2017-07-19 CN CN201780044819.XA patent/CN109475998B/zh active Active
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EP3487664A1 (en) | 2019-05-29 |
CN109475998B (zh) | 2021-12-31 |
WO2018017695A1 (en) | 2018-01-25 |
US20190283216A1 (en) | 2019-09-19 |
EP3487664B1 (en) | 2022-02-16 |
CN109475998A (zh) | 2019-03-15 |
US11607776B2 (en) | 2023-03-21 |
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