JP6018728B2 - 超仕上加工方法 - Google Patents
超仕上加工方法 Download PDFInfo
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- JP6018728B2 JP6018728B2 JP2012206261A JP2012206261A JP6018728B2 JP 6018728 B2 JP6018728 B2 JP 6018728B2 JP 2012206261 A JP2012206261 A JP 2012206261A JP 2012206261 A JP2012206261 A JP 2012206261A JP 6018728 B2 JP6018728 B2 JP 6018728B2
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- superfinishing
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- grindstone
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- 239000000203 mixture Substances 0.000 claims description 12
- 239000004575 stone Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims description 2
- 159000000000 sodium salts Chemical class 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims 1
- 239000004327 boric acid Substances 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 239000003921 oil Substances 0.000 description 43
- 238000000227 grinding Methods 0.000 description 17
- 239000002245 particle Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 239000011148 porous material Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000003672 processing method Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 4
- -1 hydrogen salt Chemical class 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000001993 wax Substances 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 3
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical class [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical class [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- WUUHFRRPHJEEKV-UHFFFAOYSA-N tripotassium borate Chemical compound [K+].[K+].[K+].[O-]B([O-])[O-] WUUHFRRPHJEEKV-UHFFFAOYSA-N 0.000 description 3
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 150000008043 acidic salts Chemical class 0.000 description 2
- 150000001447 alkali salts Chemical class 0.000 description 2
- 150000005215 alkyl ethers Chemical class 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010129 solution processing Methods 0.000 description 2
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical group [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229920001353 Dextrin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
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- 238000012217 deletion Methods 0.000 description 1
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- 235000019425 dextrin Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- 239000012467 final product Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
また、前記超仕上砥石の研磨面の前記被加工物の表面に対する加工圧力は、0.1〜0.2MPaであることから、従来の超仕上加工方法に比較して大幅に加工圧力が低くされるので、砥石面に目詰まりが生じず被加工物の表面の面粗度が低く鏡面が得られるとともに、比較的硬度が低く設定されている超仕上砥石の耐久性が高められる。
また、前記超仕上砥石により研磨された前記被加工物の表面の面粗さは、Ra0.03μm以下であるので、従来の超仕上加工方法に比較して、被加工物の表面の面粗度が同等の鏡面が得られる。
続いて、本発明者等が本発明の効果を検証するために行った試験について説明する。本試験では、先ず表1に示す6種の試験品砥石すなわち実施例砥石1、実施例砥石2、実施例砥石3、実施例砥石4、比較例砥石1、比較例砥石2を、図3に示すものと同様の工程を用いて作成した。各試験品砥石の砥石硬度RHは、通常1/8インチ径の鋼球を使用する(Hスケール)が、マイナス硬度の場合では砥石が軟らか過ぎて測定中に破損が発生することがあるため、1/4インチ径の鋼球を使用してRL硬度を求め、予め求められた周知の換算式「RH=(RL−59)/0.59」から実際に測定されたRL硬度に基づいてRH硬度を算出した。
12:研磨面
20:玉軸受の内輪
22:軌道面(被加工物の表面)
F:水溶性加工性油剤
Claims (4)
- 砥粒がビトリファイドボンドにより結合された多孔質の砥石組織から成り、被加工物に接触させられる研磨面を備える超仕上砥石を用いて、該研磨面と被加工物とが所定の研磨方向に相対移動させると同時に該研磨面を該研磨方向に交差する方向で振動させることにより該被加工物の表面にRa0.03μm以下の面粗さの研磨加工を行なう超仕上加工方法であって、
前記超仕上砥石の砥粒は、#600以上#2000未満であり、且つ前記超仕上砥石の硬度は、RH−40以軟であり、
前記超仕上砥石とそれに接触させられた前記被加工物とを、前記超仕上砥石の研磨面から前記被加工物の表面に対して0.1〜0.2MPaの加工圧力を加えた状態で、水溶性加工油剤の存在下で前記所定の研磨方向に相対移動させると同時に、該超仕上砥石を該研磨方向に交差する方向で振動させることにより、該被加工物の表面に研磨加工を行なう
ことを特徴とする超仕上加工方法。 - 前記被加工物は、ボールベアリングの内輪又は外輪であり、
前記超仕上砥石は、該ボールベアリングの軌道面を研磨するものであることを特徴とする請求項1の超仕上加工方法。 - 前記超仕上砥石の砥粒は、ホワイトアランダムを含むことを特徴とする請求項1または2の超仕上加工方法。
- 前記水溶性加工油剤は、その組成物の全量を基準として、1〜40質量%の塩と、60〜99質量%の水とを含有し、
前記塩が、リン酸、炭酸、ケイ酸、およびホウ酸のナトリウム塩またはカリウム塩からなる群から選ばれる少なくとも2種から成る無機塩からなり、
前記組成物の5%希釈液の25℃におけるpHが10〜14であることを特徴とする請求項1乃至3のいずれか1の超仕上加工方法。
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Cited By (1)
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JP7535962B2 (ja) | 2021-02-25 | 2024-08-19 | 株式会社ノリタケカンパニーリミテド | 超仕上加工方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6446313B2 (ja) | 2015-04-02 | 2018-12-26 | 株式会社ミズホ | 焼結ビトリファイド超仕上げ砥石 |
CN105965351B (zh) * | 2016-05-20 | 2018-07-31 | 中航工业哈尔滨轴承有限公司 | 一种耐热钢套圈沟道磨削工艺 |
JP7395397B2 (ja) * | 2020-03-24 | 2023-12-11 | Ntn株式会社 | 超仕上げ砥石及び研磨装置 |
CN114393450A (zh) * | 2022-01-28 | 2022-04-26 | 宁波华表机械制造有限公司 | 一种用于凸轮轴端面的卧式超精机及其加工工艺 |
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JPS514692A (ja) * | 1974-07-03 | 1976-01-14 | Toyoda Machine Works Ltd | Choshiagekakohoho |
JPH0624691B2 (ja) * | 1986-09-04 | 1994-04-06 | 淳一郎 隈部 | 砥石の複合振動によるワーク表面の精密表面研摩加工方法 |
JP2002331461A (ja) * | 2001-05-08 | 2002-11-19 | Mizuho:Kk | 超仕上げ用砥石 |
JP4523383B2 (ja) * | 2004-11-09 | 2010-08-11 | 株式会社ミズホ | 複合砥粒ビトリファイド超仕上げ砥石 |
JP4869695B2 (ja) * | 2005-12-02 | 2012-02-08 | 株式会社ノリタケカンパニーリミテド | ビトリファイド砥石の製造方法 |
JP2011140097A (ja) * | 2010-01-08 | 2011-07-21 | Noritake Co Ltd | 砥石 |
JP5926137B2 (ja) * | 2011-06-29 | 2016-05-25 | Ntn株式会社 | 超仕上げ加工方法および超仕上げ加工装置 |
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JP7535962B2 (ja) | 2021-02-25 | 2024-08-19 | 株式会社ノリタケカンパニーリミテド | 超仕上加工方法 |
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