JP2001098291A - Lubricant excellent for use in various type of machine of metal, especially in dry machining, and method of machining - Google Patents
Lubricant excellent for use in various type of machine of metal, especially in dry machining, and method of machiningInfo
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- JP2001098291A JP2001098291A JP27328099A JP27328099A JP2001098291A JP 2001098291 A JP2001098291 A JP 2001098291A JP 27328099 A JP27328099 A JP 27328099A JP 27328099 A JP27328099 A JP 27328099A JP 2001098291 A JP2001098291 A JP 2001098291A
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- Prior art keywords
- machining
- lubricant
- cutting
- metal
- dry
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、金属の切削加
工、特に乾式の切削加工に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to metal cutting, and more particularly to dry cutting.
【０００２】[0002]
【従来の技術】金属の切削加工は、切削工具とワーク間
の摩擦や凝着による高温の加工熱が発生する非常に過酷
な加工方法である。ところで金属の湿式の切削加工で
は、切削油によりこの摩擦による高温の加工熱の発生が
抑えられ、さらに、各種潤滑剤の添加により凝着の低減
も可能となり過酷さが緩和される。しかし、製品に付着
した切削油の除去を要し、処理時の環境汚染と処理コス
トに問題がある。2. Description of the Related Art Metal cutting is a very severe processing method in which high-temperature processing heat is generated due to friction and adhesion between a cutting tool and a work. By the way, in the wet cutting of metal, the generation of high-temperature processing heat due to the friction is suppressed by the cutting oil, and the addition of various lubricants can also reduce the adhesion and alleviate the severeness. However, it is necessary to remove the cutting oil attached to the product, and there are problems in environmental pollution and processing cost during processing.
【０００３】一方、金属の乾式切削加工は大気中かつ無
潤滑状態で切削加工が行なわれており、切削工具とワー
ク間の摩擦・凝着により、湿式切削加工と比べ非常に高
い加工熱が発生する。特にワークが難切削性であればあ
るほど、切削工具先端が赤熱され工具寿命が劣化し、切
削所要時間も長くなり、切削能力が阻害され、経済的に
も問題が大きい。[0003] On the other hand, dry cutting of metal is performed in the air and in a non-lubricated state. Friction and adhesion between a cutting tool and a work generate much higher processing heat than wet cutting. I do. In particular, as the work becomes more difficult to cut, the tip of the cutting tool glows red, the tool life is shortened, the required cutting time is increased, the cutting ability is impaired, and the problem is economically significant.
【０００４】Ｃａ、Ｎａなどの元素は、それ自体潤滑性
能があり、金属の冷間引抜きなどには潤滑剤として使用
されている。しかし、さらに過酷な加工である金属の乾
式切削加工に対しＣａ、Ｎａなどの潤滑剤の使用例はな
く、従って、その使用方法も使用効果も不明である。[0004] Elements such as Ca and Na have lubricating properties themselves, and are used as a lubricant for cold drawing of metals and the like. However, there is no example of the use of a lubricant such as Ca and Na for dry cutting of metal, which is a more severe process, and therefore, its use method and use effect are unknown.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、乾式切削加
工における被加工金属材料であるワークの切削面と切削
工具との間に効果的な潤滑性を与える潤滑剤を開発する
ことであり、さらにこの潤滑剤をワークの切削面に塗布
することにより、切削工具とワーク間の潤滑・耐凝着性
を良好にし、切削による加工熱の発生を抑えることによ
り、工具寿命の向上と切削効率の改善を図ることによ
り、コストの安い乾式切削加工を実施することである。SUMMARY OF THE INVENTION An object of the present invention is to develop a lubricant which gives an effective lubricity between a cutting surface of a work which is a metal material to be processed and a cutting tool in dry cutting. In addition, by applying this lubricant to the cutting surface of the work, the lubrication and adhesion resistance between the cutting tool and the work are improved, and the generation of machining heat due to cutting is suppressed, thereby improving tool life and improving cutting efficiency. An improvement is to carry out dry cutting at low cost.
【０００６】[0006]
【課題を解決するための手段】上記の課題を解決するた
めの本発明の手段として、請求項１の発明は、Ｃａまた
はＮａの炭酸化物（ＣａＣＯ3またはＮａ2ＣＯ3）の１
０μｍ以下の粒子３０〜１００％（１００℃での乾燥時
に換算した値）と残部が水分からなることを特徴とする
金属の乾式切削加工用の潤滑剤である。Means for Solving the Problems As means of the present invention for solving the above-mentioned problems, the invention of claim 1 is directed to the use of a carbonate of Ca or Na (CaCO 3 or Na 2 CO 3 ).
A lubricant for dry cutting of metals, characterized in that 30 to 100% of particles having a particle size of 0 μm or less (value converted when dried at 100 ° C.) and the balance are composed of moisture.
【０００７】請求項２の発明は、ＣａまたはＮａの金属
石鹸｛（ＲＣＯＯ）nＣａまたは（ＲＣＯＯ）nＮａ｝の
１０μｍ以下の粒子３０〜１００％（１００℃での乾燥
時に換算した値）と残部が水分からなることを特徴とす
る金属の乾式切削加工用の潤滑剤である。[0007] The invention of claim 2 is characterized in that 30 to 100% of particles of Ca or Na metal soap {(RCOO) n Ca or (RCOO) n Na} of 10 μm or less (value converted when dried at 100 ° C.) Lubricant for dry cutting of metal, characterized in that the remainder consists of moisture.
【０００８】請求項３の発明は、請求項１の手段の金属
の乾式切削用の潤滑剤および請求項２の手段の金属の乾
式切削用の潤滑剤からなる混合物の１０μｍ以下の粒子
３０〜１００％（１００℃での乾燥時に換算した値）と
残部が水分からなることを特徴とする金属の乾式切削加
工用の潤滑剤である。[0008] A third aspect of the present invention provides a lubricant for dry cutting of metal according to the first aspect and a mixture of the lubricant for dry cutting of a metal according to the second aspect, particles having a particle size of 10 µm or less of 30 to 100 µm. % (Calculated when dried at 100 ° C.) and a balance of moisture, which is a lubricant for dry cutting of metal.
【０００９】請求項４の発明は、請求項１ないし３のい
ずれか１項の手段における金属の乾式切削加工用の潤滑
剤を金属の被切削材であるワークの切削面に塗布して切
削工具で切削することを特徴とする金属の乾式切削加工
方法である。According to a fourth aspect of the present invention, there is provided a cutting tool in which the lubricant for dry cutting of metal according to any one of the first to third aspects is applied to a cutting surface of a work which is a metal workpiece. This is a dry cutting method for metal, characterized in that cutting is performed by using a metal.
【００１０】[0010]
【発明の実施の形態】本発明の金属の乾式切削加工用の
潤滑剤は、ＣａまたはＮａの炭酸化物あるいはＣａまた
はＮａの金属石鹸、あるいはこれらを混合した１０μｍ
以下の粒子３０〜１００％（１００℃での乾燥時に換算
した値）を主成分とし、残部が水分からなる金属の乾式
切削加工用の潤滑剤である。BEST MODE FOR CARRYING OUT THE INVENTION The lubricant for dry cutting of metal according to the present invention is a carbonate of Ca or Na, a metal soap of Ca or Na, or a 10 μm mixture of these.
Lubricants for dry cutting of metals containing 30 to 100% of the following particles (the value calculated when dried at 100 ° C.) as a main component and the balance being water.
【００１１】さらに上記の乾式切削加工用潤滑剤を金属
のワークの表面に塗布し、切削工具で切削する。潤滑剤
の塗布方法は、水分の少ない固形潤滑剤は擦りつけ、粉
体潤滑剤は吹付けなどにより塗布し、水分の多い液状潤
滑剤は刷毛などにより塗布するかまたは噴霧により塗布
した後、乾燥させる。Further, the above-mentioned lubricant for dry cutting is applied to the surface of a metal work and cut with a cutting tool. Lubricant is applied by rubbing solid lubricants with low water content, applying powder lubricant by spraying, and applying liquid lubricants with high water content by brush or spraying, and then drying. Let it.
【００１２】ここで、上記において、粒子の大きさは、
１０μｍを超えると潤滑剤の効果が小さくなるため１０
μｍ以下とする。さらに、潤滑剤の主成分の上限は、１
００℃での乾燥時に換算し、固形・粉体潤滑剤で１００
％以下とする。主成分の下限は、液状潤滑剤の水分が多
すぎると、塗布後の乾燥に長時間を要するので３０％以
上とする。Here, in the above, the size of the particles is
If the thickness exceeds 10 μm, the effect of the lubricant is reduced.
μm or less. Furthermore, the upper limit of the main component of the lubricant is 1
Converted to dry at 00 ° C, 100 for solid / powder lubricant
% Or less. The lower limit of the main component is set to 30% or more because if the water content of the liquid lubricant is too large, it takes a long time for drying after application.
【００１３】[0013]
【実施例】（実施例１）無潤滑の乾式プラノミラー加工
において、難切削加工材であるＳＫＤ１１（表１参照）
からなる被加工材を加工していたところに、本発明を適
用して固形のＣａＣＯ3を擦り付け塗布を行なったとこ
ろ、瞬時に切粉の色が紫色（〜５００℃）から灰色に変
化した。すなわち潤滑効果により、加工熱が大幅に低下
したことが判明した。(Example 1) SKD11 (see Table 1) which is a hard-to-cut material in dry plano mirror processing without lubrication.
When the present invention was applied and solid CaCO 3 was rubbed and applied to the processed material, the color of the swarf instantly changed from purple (色 500 ° C.) to gray. That is, it was found that the processing heat was significantly reduced due to the lubrication effect.
【００１４】（実施例２）無潤滑の旋盤加工において、
超難加工材であるＮｉ基超合金（出願人開発鋼：表１参
照）の被加工材を加工しようとしたが、不可能であった
ところに、粉体のＣａＣ０3を吹付け塗布して加工した
ところ容易に加工が可能になった。(Embodiment 2) In non-lubricated lathe processing,
Ni-base superalloy is a super hard materials: An attempt was made to process the workpiece in (Applicant developed steel see Table 1), where was not possible, the CAC0 3 powder by spray coating Processing has made it easier to process.
【００１５】（実施例３）実施例１、実施例２の結果よ
り、乾式切削加工においても潤滑効果があることを見出
し、同系等の潤滑剤を製造し、表１に示す被削性の異な
る各種の成分の被加工材に対し、乾式切削加工法の一つ
であるエンドミル加工によるテストを行なった。(Example 3) From the results of Examples 1 and 2, it was found that a lubricating effect was obtained even in dry cutting, and lubricants of the same type were manufactured, and the machinability shown in Table 1 was different. Workpieces of various components were tested by end milling, which is one of dry cutting methods.
【００１６】[0016]
【表１】 [Table 1]
【００１７】乾式切削加工用潤滑剤の製造方法は、主
成分（ＣａまたはＮａの炭酸化物若しくはＣａまたはＮ
ａの金属石鹸の無混合）をＣａＣＯ3、Ｎａ2ＣＯ3、
（ＲＣＯＯ）2Ｃａ、（ＲＣＯＯ）Ｎａのいずれか、あ
るいは、主成分（ＣａまたはＮａの炭酸化物若しくは
ＣａまたはＮａの金属石鹸の混合物）をＣａＣＯ3５０
％＋（ＲＣＯＯ）2Ｃａ５０％、またはＮａ2ＣＯ3５０
％＋（ＲＣＯＯ）Ｎａ５０％とし、それぞれの主成分か
らなる１０μｍ以下の粉体を１００℃で十分乾燥を行
い、この乾燥したままの水分無添加のものと、乾燥した
ものに水分７０％添加したものから製造した。比較テス
トするためにＣａＣＯ3の１５μｍの粉体も製造し、平
行テストした。The method for producing a lubricant for dry cutting includes a method of preparing a main component (carbon oxide of Ca or Na or Ca or N
a) (without mixing metal soap) with CaCO 3 , Na 2 CO 3 ,
Either (RCOO) 2 Ca, (RCOO) Na, or the main component (a mixture of Ca or Na carbonate or Ca or Na metal soap) as CaCO 3 50
% + (RCOO) 2 Ca 50% or Na 2 CO 3 50
% + (RCOO) Na 50%, and a powder of 10 μm or less composed of each main component was sufficiently dried at 100 ° C., and the dried product without water and the dried product were added with 70% water. Manufactured from things. For comparative testing, a 15 μm powder of CaCO 3 was also prepared and tested in parallel.
【００１８】エンドミル加工による切削加工方法は、エ
ンドミル用ハイス工具を用い、表２に示すテストＮｏ．
１の軽負荷切削加工およびテストＮｏ．２の重負荷切削
加工の２つの加工条件に設定し、エンドミル加工を行な
った。The cutting method by the end mill processing uses a high-speed tool for end mills.
No. 1 light load cutting and test no. End milling was performed by setting two processing conditions of heavy load cutting of No. 2.
【００１９】[0019]
【表２】 [Table 2]
【００２０】テスト結果の評価は、工具寿命および切粉
のテンパーカラーで行なった。工具寿命は、切削工具の
刃先摩耗が０．３ｍｍになった時を工具寿命とし、その
時の切削距離を求める。テンパーカラーは、工具と被切
削材間の摩擦加工熱により、切粉の色が表３に示すよう
に変化することから求める。The evaluation of the test results was made based on the tool life and the temper color of the chips. The tool life is defined as the tool life when the wear on the cutting edge of the cutting tool becomes 0.3 mm, and the cutting distance at that time is determined. The temper color is obtained from the fact that the color of the swarf changes as shown in Table 3 due to the friction processing heat between the tool and the workpiece.
【００２１】[0021]
【表３】 [Table 3]
【００２２】単独無混合潤滑剤の塗布によるテスト結果
を表４に示す。Table 4 shows the test results obtained by applying the single non-mixed lubricant.
【００２３】[0023]
【表４】 [Table 4]
【００２４】表４のテスト結果、以下のことが判る。 いずれの潤滑剤を使用した場合も、無潤滑の場合に比
べ、大幅に工具寿命が長くなっており、また、テンパー
カラーから加工熱の発生も大幅に小さくなっていること
が判る。 潤滑剤を使用する効果は、難切削加工材である程大き
い。 無潤滑の軽負荷切削加工のテストＮｏ．１より潤滑材
を塗布した重負荷切削加工のテストＮｏ．２の工具寿命
が良好なことより、大幅な切削生産性の向上が可能であ
る。 ＣａＣｏ3を主成分とする潤滑剤が最も良好である。The test results shown in Table 4 reveal the following. It can be seen that the use of any of the lubricants significantly increases the tool life and the generation of processing heat from the temper collar as compared with the case of no lubrication. The effect of using a lubricant is greater for hard-to-cut materials. Test No. of non-lubricated light load cutting Test No. 1 for heavy load cutting with lubricant applied Due to the good tool life of No. 2, it is possible to greatly improve cutting productivity. A lubricant containing CaCo 3 as a main component is the best.
【００２５】なお、ａ）主成分の混合潤滑剤の塗布によ
るテスト結果では、上記の単独無混合潤滑剤の塗布によ
る時のほぼ中間のレベルであった。ｂ）水分の添加、無
添加では、差はほとんど無かった。ｃ）１５μｍのＣａ
ＣＯ3粉体を表４のテストＮｏ．２で行なったが、潤滑
無添加の水準に近く効果は少なかった。Incidentally, a) The test results obtained by applying the mixed lubricant of the main component were at an almost intermediate level when the application of the above-mentioned single non-mixed lubricant was applied. b) There was almost no difference between adding and not adding water. c) 15 μm of Ca
CO 3 powder was used as a test No. in Table 4. The test was carried out in No. 2, but the effect was low because it was close to the level without lubrication.
【００２６】[0026]
【発明の効果】以上説明したとおり、本発明の粒子を主
成分とする潤滑剤を金属の切削加工、特に乾式の切削加
工に使用することにより、切削時の切削工具とワーク間
の摩擦・凝着による加工発熱を大幅に減少できる。特に
従来は難切削性とされていた被加工材ほどその効果が大
きく、かつ、工具寿命が大幅に延び、切削時間を大幅に
減少するなど本発明の効果は非常に大きい。すなわち、
本発明の潤滑剤を使用することにより、効率良く切削加
工することが出来、湿式切削加工における潤滑油の供給
や加工後の処理等の問題も解消することが出来る。As described above, by using the lubricant containing particles as a main component of the present invention for metal cutting, particularly for dry cutting, the friction and coagulation between the cutting tool and the workpiece during cutting are reduced. The heat generated during processing due to wearing can be greatly reduced. In particular, the effect of the present invention is very large, for example, a work material which has conventionally been regarded as difficult to cut has a greater effect, a tool life is greatly extended, and a cutting time is greatly reduced. That is,
By using the lubricant of the present invention, cutting can be efficiently performed, and problems such as supply of lubricating oil and processing after processing in wet cutting can be solved.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｃ１０Ｎ 20:06 Ｃ１０Ｎ 20:06 Ｚ 40:22 40:22 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification code FI Theme coat ゛ (Reference) C10N 20:06 C10N 20:06 Z 40:22 40:22
Claims (4)
またはＮａ2ＣＯ3）の１０μｍ以下の粒子３０〜１００
％（１００℃での乾燥時に換算した値）と残部が水分か
らなることを特徴とする金属の乾式切削加工用の潤滑
剤。1. Carbon oxides of Ca or Na (CaCO 3
Or particles of Na 2 CO 3 ) of 10 μm or less 30 to 100
% (Calculated when dried at 100 ° C.) and the balance being water. Lubricant for dry cutting of metals.
Ｏ）nＣａまたは（ＲＣＯＯ）nＮａ｝の１０μｍ以下の
粒子３０〜１００％（１００℃での乾燥時に換算した
値）と残部が水分からなることを特徴とする金属の乾式
切削加工用の潤滑剤。2. A metal soap of Ca or Na (RCO)
O) n Ca or (RCOO) n Na} lubrication for dry cutting of metal, characterized in that 30 to 100% of particles having a size of 10 μm or less (value converted when dried at 100 ° C.) and the balance are water. Agent.
剤および請求項２記載の金属の乾式切削用の潤滑剤から
なる混合物の１０μｍ以下の粒子３０〜１００％（１０
０℃での乾燥時に換算した値）と残部が水分からなるこ
とを特徴とする金属の乾式切削加工用の潤滑剤。3. A mixture of the lubricant for dry cutting of metal according to claim 1 and the lubricant for dry cutting of metal according to claim 2, wherein particles having a particle size of 10 μm or less are 30 to 100% (10%).
A lubricant for dry cutting of metals, characterized in that the lubricant comprises a value converted when dried at 0 ° C.) and the balance being water.
る金属の乾式切削加工用の潤滑剤を金属の被切削材であ
るワークの切削面に塗布して切削工具で切削することを
特徴とする金属の乾式切削加工方法。4. The method according to claim 1, wherein the lubricant for dry cutting of the metal according to any one of claims 1 to 3 is applied to a cutting surface of a work which is a metal material to be cut, and is cut by a cutting tool. Dry cutting method for metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27328099A JP2001098291A (en) | 1999-09-27 | 1999-09-27 | Lubricant excellent for use in various type of machine of metal, especially in dry machining, and method of machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27328099A JP2001098291A (en) | 1999-09-27 | 1999-09-27 | Lubricant excellent for use in various type of machine of metal, especially in dry machining, and method of machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001098291A true JP2001098291A (en) | 2001-04-10 |
Family
ID=17525657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27328099A Pending JP2001098291A (en) | 1999-09-27 | 1999-09-27 | Lubricant excellent for use in various type of machine of metal, especially in dry machining, and method of machining |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001098291A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004081249A1 (en) * | 2003-03-10 | 2004-09-23 | Mitsubishi Materials Corporation | Iron base sintered alloy excellent in machinability |
| WO2017142023A1 (en) * | 2016-02-17 | 2017-08-24 | 三菱瓦斯化学株式会社 | Cutting method and manufacturing method for cut object |
| WO2018211732A1 (en) * | 2017-05-18 | 2018-11-22 | 住友電工ハードメタル株式会社 | Member manufacturing method |
| US11225625B2 (en) | 2017-05-25 | 2022-01-18 | Mitsubishi Gas Chemical Company, Inc. | Lubricant material for assisting machining process, lubricant sheet for assisting machining process, and machining method |
| US11383307B2 (en) | 2015-09-02 | 2022-07-12 | Mitsubishi Gas Chemical Company, Inc. | Entry sheet for drilling and method for drilling processing using same |
| US11819930B2 (en) | 2016-11-14 | 2023-11-21 | Mitsubishi Gas Chemical Company, Inc. | Material for built-up edge formation and built-up edge formation method |
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1999
- 1999-09-27 JP JP27328099A patent/JP2001098291A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004081249A1 (en) * | 2003-03-10 | 2004-09-23 | Mitsubishi Materials Corporation | Iron base sintered alloy excellent in machinability |
| CN100400695C (en) * | 2003-03-10 | 2008-07-09 | 三菱综合材料Pmg株式会社 | Iron base sintered alloy excellent in machinability |
| US7578866B2 (en) | 2003-03-10 | 2009-08-25 | Mitsubishi Materials Pmg Corporation | Iron-based sintered alloy having excellent machinability |
| US11383307B2 (en) | 2015-09-02 | 2022-07-12 | Mitsubishi Gas Chemical Company, Inc. | Entry sheet for drilling and method for drilling processing using same |
| WO2017142023A1 (en) * | 2016-02-17 | 2017-08-24 | 三菱瓦斯化学株式会社 | Cutting method and manufacturing method for cut object |
| JPWO2017142023A1 (en) * | 2016-02-17 | 2018-03-15 | 三菱瓦斯化学株式会社 | Cutting method and method for manufacturing cut object |
| US11325199B2 (en) | 2016-02-17 | 2022-05-10 | Mitsubishi Gas Chemical Company, Inc. | Cutting work method and method for producing cut product |
| US11819930B2 (en) | 2016-11-14 | 2023-11-21 | Mitsubishi Gas Chemical Company, Inc. | Material for built-up edge formation and built-up edge formation method |
| WO2018211732A1 (en) * | 2017-05-18 | 2018-11-22 | 住友電工ハードメタル株式会社 | Member manufacturing method |
| CN110678293A (en) * | 2017-05-18 | 2020-01-10 | 住友电工硬质合金株式会社 | Method for manufacturing component |
| US11225625B2 (en) | 2017-05-25 | 2022-01-18 | Mitsubishi Gas Chemical Company, Inc. | Lubricant material for assisting machining process, lubricant sheet for assisting machining process, and machining method |
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