JP2017082177A - 水性潤滑剤組成物及びそれを用いた金属加工方法 - Google Patents
水性潤滑剤組成物及びそれを用いた金属加工方法 Download PDFInfo
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 16
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- 238000003672 processing method Methods 0.000 title claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 48
- 239000002245 particle Substances 0.000 claims abstract description 22
- 239000002270 dispersing agent Substances 0.000 claims abstract description 18
- 238000009826 distribution Methods 0.000 claims abstract description 11
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- 239000003513 alkali Substances 0.000 claims description 3
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- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 description 28
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- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
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- BJEPYKJPYRNKOW-UHFFFAOYSA-N malic acid Chemical compound OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 2
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- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
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- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
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- PZOIEPPCQPZUAP-UHFFFAOYSA-N 1-aminohexan-2-ol Chemical compound CCCCC(O)CN PZOIEPPCQPZUAP-UHFFFAOYSA-N 0.000 description 1
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 description 1
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- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
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- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
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- Lubricants (AREA)
Abstract
Description
オニオンライクカーボン粒子の分散安定性は、容量50mLの蓋付きガラス容器に30mLの分散液を封入し、2週間静置させた後に、分散液の状態と、瓶の底面を120°上向きに傾けたときに底面に残る固体粒子の面積の割合をもって分散安定性を評価した。結果を表2に示す。
なお、オニオンライクカーボン粒子の分散安定性の評価基準は以下の通りである。
○: 分散液の上澄みがなく、沈殿物がない状態。
△: 分散液の上澄みがないが、沈殿物がある状態。ただし、瓶を上向きに傾けたときに底面の沈殿物がただちに液中に浮上する状態。
×: 分散液の上澄みが発生し、固体粒子と液体が分かれている状態、または、分散液の上澄みはないが、瓶を逆さに傾けたときに底面全体に固体粒子が残り、液中に浮上しない状態。
下記試験条件にて、ボールをディスクに接触させ一定荷重50Nをボールに加えながら、ディスクを10mm/sまたは、1000mm/sの摩擦速度になるように回転させて摩擦試験を実施した。水性潤滑油組成物をボールとディスクの間に常に供して、摩擦係数をもって性能を比較した。結果を表2に示す。
[試験条件]
ボール:1/4inch SUJ−2(高炭素クロム軸受鋼)
ディスク:SUJ−2(高炭素クロム軸受鋼)
荷重:50N
速度:1000mm/s
摩擦時間:60秒
摩擦係数の評価置:60秒間の摩擦係数の平均値
なじみ処理:スタート前に10N、100mm/sにて1分間摩擦させた後に評価を開始した。
温度:室温(25℃)
下記試験条件にて、水性潤滑剤組成物を試料容器に供し、振り子摩擦試験を行った。1試料につき20回以上摩擦試験を行い、摩擦係数の計測値が安定する20回目の数値を評価した。結果を表2に示す。
[試験条件]
試験機:曽田式振子型油性摩擦試験機(神鋼造機(株))
ボール:3/16inch SUJ−2(高炭素クロム軸受鋼)
ピン:φ2×30mm SUJ−2(高炭素クロム軸受鋼)
初期振幅:0.5ラジアン
重錘重量:40g(1個)および80g(2個)
重錘取付位置:40g重錘:摩擦位置から100mm下方に設置、80g重錘:摩擦位置から340mmの位置でなおかつ左右水平位置1個づつ設置
振子周期:4秒
温度:室温(25℃)
Claims (7)
- (A)オニオンライクカーボンと、
(B)ナフタレンスルホン酸塩及びポリカルボン酸塩のうちいずれか1以上の分散剤と
を含有し、
(B)/(A)が0.1以上であり、
体積基準粒度分布のオニオンライクカーボン2次粒子のメディアン径が100〜250nmであることを特徴とする水性潤滑剤組成物。 - (C)有機アミン化合物及び無機アルカリのうちいずれか1以上をさらに含有することを特徴とする請求項1記載の水性潤滑剤組成物。
- (D)有機酸を含有することを特徴とする請求項2記載の水性潤滑剤組成物。
- (A):(C)+(D)が1:0.1〜10,000であることを特徴とする請求項2又は3記載の水性潤滑剤組成物。
- オニオンライクカーボンの含有量が0.0001%〜3質量%であることを特徴とする請求項1乃至4いずれか記載の水性潤滑剤組成物。
- 請求項1乃至5のいずれか記載の水性潤滑剤組成物を用いて、金属の切削加工又は研削加工を行うことを特徴とする金属加工方法。
- 前記切削加工又は研削加工は、工具又は金属材料に前記潤滑剤組成物を液体状または霧状で供給し、前記工具と前記金属材料との間隙に潤滑剤膜を施すことを特徴とする請求項6記載の金属加工方法。
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JP2004331737A (ja) * | 2003-05-02 | 2004-11-25 | Inr Kenkyusho:Kk | 加工用流体 |
JP2009173814A (ja) * | 2008-01-25 | 2009-08-06 | Yushiro Chem Ind Co Ltd | 水系潤滑剤組成物及び加工方法 |
JP2012076200A (ja) * | 2010-10-05 | 2012-04-19 | Ono Shinji | 水溶性切削液 |
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