JP2003089797A - Lubricant for plastic working of magnesium alloy - Google Patents
Lubricant for plastic working of magnesium alloyInfo
- Publication number
- JP2003089797A JP2003089797A JP2001282668A JP2001282668A JP2003089797A JP 2003089797 A JP2003089797 A JP 2003089797A JP 2001282668 A JP2001282668 A JP 2001282668A JP 2001282668 A JP2001282668 A JP 2001282668A JP 2003089797 A JP2003089797 A JP 2003089797A
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- JP
- Japan
- Prior art keywords
- mass
- lubricant
- fatty acid
- metal salt
- alkali metal
- 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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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、マグネシウム合金
を温間で塑性加工する際に使用する潤滑剤に関し、特
に、当該合金の温間塑性加工性を向上させることができ
る潤滑剤に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lubricant used for warm plastic working of a magnesium alloy, and more particularly to a lubricant capable of improving the warm plastic workability of the alloy.
【０００２】[0002]
【技術背景】マグネシウム合金は、実用金属中で最も軽
量であり、電磁波遮断性などの優れた特性を有すること
から、利用が拡大している。現在、マグネシウム合金の
加工は、主に、ダイカスト、チクソモールディングによ
り行われているが、これらの加工技術では、加工後の表
面研削が必要であること、薄肉製品への対応が困難であ
ることなどが指摘されている。BACKGROUND OF THE INVENTION Magnesium alloy is the lightest in practical metals and has excellent properties such as electromagnetic wave shielding properties, and therefore its use is expanding. Currently, processing of magnesium alloys is mainly performed by die casting and thixomolding, but with these processing technologies, surface grinding after processing is required, it is difficult to support thin-walled products, etc. Has been pointed out.
【０００３】一方、マグネシウム合金板を被加工材とす
るプレス加工は、薄肉製品への対応を可能とし、加工後
の表面研削も必要ない。但し、マグネシウム合金は、常
温での加工性に乏しいため、プレス加工時の温度は、通
常、２００〜３００℃で行われている。このプレス加工
の際に、プレス油の潤滑性能が不足すると、被加工材の
破断、金型への凝着などが発生する。このため、専用の
潤滑剤の開発が望まれている。On the other hand, press working using a magnesium alloy plate as a work material makes it possible to deal with thin-walled products and does not require surface grinding after working. However, since the magnesium alloy is poor in workability at room temperature, the temperature during press working is usually 200 to 300 ° C. If the lubrication performance of the press oil is insufficient during this press working, the material to be processed may be broken or adhered to the mold. Therefore, development of a dedicated lubricant is desired.
【０００４】上記のように、マグネシウム合金板の塑性
加工に用いる潤滑油剤は、温間、一般的には１００〜３
００℃の温度域において、被加工材の破断、金型への凝
着を抑制する潤滑性能を有することにより高い加工性能
を示すと共に、通常の脱脂工程で除去できる性能を示す
ことが必要である。As described above, the lubricant used for the plastic working of the magnesium alloy sheet is warm, generally 100 to 3
In the temperature range of 00 ° C., it is necessary to show high processing performance by having a lubricating property of suppressing breakage of the work material and adhesion to the mold, and at the same time be capable of being removed by a normal degreasing process. .
【０００５】[0005]
【発明の目的】本発明は、マグネシウム合金板のプレス
などの塑性加工における温間加工性能を向上させるため
に極めて有効であるのみならず、脱脂性にも優れた塑性
加工潤滑剤を提供することを目的とする。It is an object of the present invention to provide a plastic working lubricant which is not only extremely effective for improving the warm working performance in plastic working such as pressing of a magnesium alloy sheet, but which is also excellent in degreasing property. With the goal.
【０００６】[0006]
【発明の概要】本発明者らは、上記目的を達成するため
に、マグネシウム合金板のプレスなどの温間塑性加工性
を向上させるために最適な潤滑剤について研究を重ねた
結果、（１）特定の脂肪酸のアルカリ金属塩とアルカリ
土類金属塩を含み、特定のｐＨを示す水系潤滑剤、及び
（２）特定の脂肪酸のアルカリ金属塩とアルカリ土類金
属塩と共に、アルカリ硼酸塩を含む水系潤滑剤が、特定
の使用条件下で、上記合金板の塑性加工性、特にプレス
加工性を向上させるために極めて有効であり、かつ脱脂
性に優れていることを見出した。SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present inventors have conducted research on an optimum lubricant for improving warm plastic workability of a magnesium alloy sheet, and as a result, (1) An aqueous lubricant containing an alkali metal salt and an alkaline earth metal salt of a specific fatty acid and exhibiting a specific pH, and (2) an aqueous system containing an alkali borate together with an alkali metal salt and an alkaline earth metal salt of a specific fatty acid It has been found that the lubricant is extremely effective in improving the plastic workability of the alloy plate, particularly the press workability, and is excellent in degreasing property under a specific use condition.
【０００７】本発明のマグネシウム合金用塑性加工潤滑
剤は、上記知見に基づくもので、（１）水中に炭素数１
０〜１８の脂肪酸のアルカリ金属塩を７〜２０質量％
と、炭素数１２〜１８の脂肪酸のアルカリ土類金属塩を
２〜６質量％含有し、かつｐＨが１２〜１４になる量の
アルカリ金属水酸化物を含有する水溶液からなる（これ
を第１潤滑剤と記す）か、（２）炭素数１０〜１８の脂
肪酸のアルカリ金属塩を３〜１５質量％、炭素数１２〜
１８の脂肪酸のアルカリ土類金属塩を１〜４質量％、お
よび硼酸のアルカリ金属塩を２〜１２質量％であって、
前記炭素数１０〜１８の脂肪酸のアルカリ金属塩と炭素
数１２〜１８の脂肪酸のアルカリ土類金属塩との合計量
の０．１５〜１．２倍量含有する水溶液からなり（これ
を第２潤滑剤と記す）、これら（１），（２）の水溶液
において、被加工材表面に塗布乾燥後、形成された潤滑
剤皮膜が１００〜３００℃の加工温度で使用されること
を特徴とする。The plastic working lubricant for magnesium alloy of the present invention is based on the above-mentioned findings. (1) The carbon number in water is 1
7 to 20% by mass of alkali metal salt of 0 to 18 fatty acid
And an aqueous solution containing 2 to 6 mass% of an alkaline earth metal salt of a fatty acid having 12 to 18 carbon atoms and an amount of an alkali metal hydroxide having a pH of 12 to 14 (this is the first Lubricant)) or (2) 3 to 15% by mass of an alkali metal salt of a fatty acid having 10 to 18 carbon atoms and 12 to 12 carbon atoms.
1 to 4% by mass of alkaline earth metal salt of 18 fatty acids and 2 to 12% by mass of alkali metal salt of boric acid,
It is an aqueous solution containing 0.15 to 1.2 times the total amount of the alkali metal salt of fatty acid having 10 to 18 carbon atoms and the alkaline earth metal salt of fatty acid having 12 to 18 carbon atoms. It is characterized in that the formed lubricant film is used at a processing temperature of 100 to 300 ° C. after being applied and dried on the surface of the material to be processed in the aqueous solution of these (1) and (2). .
【０００８】本発明の第１潤滑剤において、炭素数１０
〜１８の脂肪酸のアルカリ金属塩の含有量は、７〜２０
質量％、好ましくは８〜１５質量％である。７質量％未
満では添加効果が少なく、２０質量％より多いと、第１
潤滑剤の粘度が高くなりすぎたり、場合によってはゲル
化して、噴霧塗布、ハケ塗布、ロール塗布、浸漬塗布な
どで行う塗布操作性が低下する。In the first lubricant of the present invention, the carbon number is 10
The content of the alkali metal salt of fatty acid of -18 is 7-20.
It is mass%, preferably 8 to 15 mass%. If it is less than 7% by mass, the effect of addition is small, and if it is more than 20% by mass, the first
The viscosity of the lubricant becomes too high, or in some cases gels, and the coating operability for spray coating, brush coating, roll coating, dip coating, etc., deteriorates.
【０００９】この炭素数１０〜１８の脂肪酸アルカリ金
属塩の脂肪酸の具体例としては、デカン酸（Ｃ１０）、
ラウリン酸（Ｃ１２）、ミリスチン酸（Ｃ１４）、パル
ミチン酸（Ｃ１６）、ステアリン酸（Ｃ１８）、オレイ
ン酸などがあり、またこれらの混合物であるヤシ脂肪酸
などを用いることもできる。これらの脂肪酸は、一種を
単独で用いてもよいし、二種以上を混合して用いること
もできる。アルカリ金属としては、ナトリウム、カリウ
ムなどを用いることができ、これらは一種を単独で用い
てもよいし、二種以上を混合して用いることもできる。
また、異なる脂肪酸の異なるアルカリ金属塩同士（例え
ば、デカン酸カリウム塩とステアリン酸ナトリウム塩）
を混合して使用することもできる。Specific examples of the fatty acid of the fatty acid alkali metal salt having 10 to 18 carbon atoms include decanoic acid (C10),
There are lauric acid (C12), myristic acid (C14), palmitic acid (C16), stearic acid (C18), oleic acid and the like, and coconut fatty acid which is a mixture thereof can also be used. These fatty acids may be used alone or in combination of two or more. As the alkali metal, sodium, potassium and the like can be used, and one kind thereof may be used alone, or two or more kinds thereof may be mixed and used.
Also, different alkali metal salts of different fatty acids (eg potassium decanoate and sodium stearate)
It is also possible to mix and use.
【００１０】炭素数１２〜１８の脂肪酸のアルカリ土類
金属塩の含有量は、２〜６質量％である。２質量％未満
では十分な添加効果が得られず、６質量％より多いと、
上記の炭素数１０〜１８の脂肪酸アルカリ金属塩の場合
と同様に、第１潤滑油の粘度が高くなりすぎたり、場合
によってはゲル化して、塗布操作性が低下するばかり
か、貯蔵中に徐々に増粘しゲル化することがあり、貯蔵
安定性も低下する。The content of the alkaline earth metal salt of fatty acid having 12 to 18 carbon atoms is 2 to 6% by mass. If it is less than 2% by mass, a sufficient addition effect cannot be obtained, and if it is more than 6% by mass,
As in the case of the fatty acid alkali metal salt having 10 to 18 carbon atoms, not only the viscosity of the first lubricating oil becomes too high, but in some cases gelation occurs, the coating operability is deteriorated, and the viscosity gradually increases during storage. It may thicken and gel, and the storage stability also decreases.
【００１１】この炭素数１２〜１８の脂肪酸アルカリ土
類金属塩の脂肪酸の具体例としては、ラウリン酸（Ｃ１
２）、ミリスチン酸（Ｃ１４）、パルミチン酸（Ｃ１
６）、ステアリン酸（Ｃ１８）、オレイン酸などがあ
り、またこれらの混合物であるヤシ脂肪酸などを用いる
こともできる。これらの脂肪酸は、一種を単独で使用し
てもよいし、二種以上の混合物として用いてもよい。ア
ルカリ土類金属としては、マグネシウム、カルシウム、
バリウムなどを用いることができ、これらは一種を単独
で用いてもよいし、二種以上を混合して用いることもで
きる。また、異なる脂肪酸の異なるアルカリ土類金属塩
同士（例えば、ラウリン酸マグネシウム塩とステアリン
酸カルシウム塩）を混合して使用することもできる。Specific examples of the fatty acid of the fatty acid alkaline earth metal salt having 12 to 18 carbon atoms include lauric acid (C1
2), myristic acid (C14), palmitic acid (C1
6), stearic acid (C18), oleic acid and the like, and coconut fatty acid which is a mixture thereof can also be used. These fatty acids may be used alone or as a mixture of two or more. Alkaline earth metals include magnesium, calcium,
Barium or the like can be used, and one kind thereof may be used alone, or two or more kinds thereof may be mixed and used. Further, different alkaline earth metal salts of different fatty acids (eg magnesium laurate and calcium stearate) can be mixed and used.
【００１２】本発明の第１潤滑剤は、上記の炭素数１０
〜１８の脂肪酸アルカリ金属塩と炭素数１２〜１８の脂
肪酸アルカリ土類金属塩との相乗作用により、マグネシ
ウム合金に優れた潤滑性能を付与し、該合金の１００〜
３００℃の温間での塑性加工性を向上させることができ
る。これらの主として潤滑性能を付与するための炭素数
１０〜１８の脂肪酸アルカリ金属塩および炭素数１２〜
１８の脂肪酸アルカリ土類金属塩と共に含有させて、第
１潤滑剤のｐＨを１２〜１４に調整するためのアルカリ
金属水酸化物としては、水酸化ナトリウム、水酸化カリ
ウムなどが使用でき、これらは一種を単独で用いてもよ
いし、二種以上を混合して用いることもできる。The first lubricant of the present invention is the above-mentioned 10 carbon atoms.
~ 18 fatty acid alkali metal salt and C12-18 fatty acid alkaline earth metal salt synergistically imparts excellent lubrication performance to the magnesium alloy,
It is possible to improve plastic workability at a temperature of 300 ° C. These fatty acid alkali metal salts having 10 to 18 carbon atoms and 12 to 12 carbon atoms mainly for imparting lubrication performance
As the alkali metal hydroxide for containing the fatty acid alkaline earth metal salt of 18 and adjusting the pH of the first lubricant to 12 to 14, sodium hydroxide, potassium hydroxide or the like can be used. One kind may be used alone, or two or more kinds may be mixed and used.
【００１３】第１潤滑剤のｐＨが１２未満では十分な温
間塑性加工性、特に温間プレス加工性が得られず、場合
によっては、被加工材であるマグネシウム合金を破断さ
せたり、金型へ凝着させるなどが発生することがある。
ｐＨが１４より高いと、塗布作業の際に、作業員への付
着防止や作業環境への飛散防止のための対策を施す必要
があるのみならず、マグネシウム合金を変質させること
があったり、またこの変質を未然に防ぐために、加工を
短時間で行う必要があると共に、脱脂を早急に行う必要
があるなどの問題が生じ、操作性を低下させる。When the pH of the first lubricant is less than 12, sufficient warm plastic workability, especially warm press workability cannot be obtained, and in some cases, the magnesium alloy as the work material is broken or the die is pressed. It may be caused to adhere to.
If the pH is higher than 14, it is necessary not only to take measures to prevent adhesion to workers and scattering to the work environment during coating work, but also to deteriorate the magnesium alloy, and In order to prevent this deterioration, it is necessary to carry out processing in a short time, and degreasing must be carried out promptly, resulting in deterioration of operability.
【００１４】本発明の第２潤滑剤において、炭素数１０
〜１８の脂肪酸のアルカリ金属塩の含有量は、３〜１５
質量％、好ましくは５〜１３質量％である。３質量％未
満では添加効果が少なく、１５質量％より多いと、第１
潤滑剤の場合と同様に、粘度が高くなりすぎたり、場合
によってはゲル化して、塗布操作性が低下する。In the second lubricant of the present invention, the carbon number is 10
The content of the alkali metal salt of fatty acid of -18 is 3-15.
It is mass%, preferably 5 to 13 mass%. If it is less than 3% by mass, the effect of addition is small, and if it is more than 15% by mass, the first
As in the case of the lubricant, the viscosity becomes too high or gels in some cases, and the coating operability is deteriorated.
【００１５】この炭素数１０〜１８の脂肪酸アルカリ金
属塩は、第１潤滑剤と同様の脂肪酸とアルカリ金属を用
いることができ、これらは、第１潤滑剤と同様に、一種
を単独で用いてもよいし、二種以上を混合して用いるこ
ともできる。また、第１潤滑剤と同様に、異なる脂肪酸
の異なるアルカリ金属塩同士（例えば、デカン酸カリウ
ム塩とステアリン酸ナトリウム塩）を混合して使用する
こともできる。This fatty acid alkali metal salt having 10 to 18 carbon atoms can use the same fatty acid and alkali metal as the first lubricant, and these can be used alone as in the first lubricant. It is also possible to mix and use two or more kinds. Further, similar to the first lubricant, different alkali metal salts of different fatty acids (for example, potassium decanoate salt and sodium stearate salt) can be mixed and used.
【００１６】炭素数１２〜１８の脂肪酸のアルカリ土類
金属塩の含有量は、１〜４質量％である。１質量％未満
では十分な添加効果が得られず、４質量％より多いと、
やはり第１潤滑剤の場合と同様に、粘度が高くなりすぎ
たり、場合によってはゲル化して、塗布操作性を低下さ
せ、またまた貯蔵中に徐々に増粘しゲル化することがあ
り、貯蔵安定性も低下する。The content of the alkaline earth metal salt of a fatty acid having 12 to 18 carbon atoms is 1 to 4% by mass. If it is less than 1% by mass, a sufficient addition effect cannot be obtained, and if it is more than 4% by mass,
As in the case of the first lubricant, the viscosity may become too high, or in some cases gelling may reduce the coating operability, and it may gradually thicken and gel during storage, thus stabilizing storage. Sex is also reduced.
【００１７】この炭素数１２〜１８の脂肪酸アルカリ土
類金属塩も、第１潤滑剤と同様の脂肪酸とアルカリ土類
金属を用いることができ、これらは、第１潤滑剤と同様
に、一種を単独で用いてもよいし、二種以上を混合して
用いることもできる。また、第１潤滑剤と同様に、異な
る脂肪酸の異なるアルカリ土類金属塩同士（例えば、ラ
ウリン酸マグネシウム塩とステアリン酸カルシウム塩）
を混合して使用することもできる。。This fatty acid alkaline earth metal salt having 12 to 18 carbon atoms can also use the same fatty acid and alkaline earth metal as the first lubricant, and these can be used in the same manner as the first lubricant. They may be used alone or in combination of two or more. Further, similar to the first lubricant, different alkaline earth metal salts of different fatty acids (for example, magnesium laurate and calcium stearate).
It is also possible to mix and use. .
【００１８】硼酸のアルカリ金属塩の含有量は、２〜１
２質量％、好ましくは２．５〜１１質量％であって、上
記の炭素数１０〜１８の脂肪酸アルカリ金属塩と炭素数
１２〜１８の脂肪酸アルカリ土類金属塩との合計量の
０．１５〜１．２倍量である。２質量％未満では十分な
添加効果が得られず、１２質量％より多いと摩擦係数の
増加があり、潤滑性が低下する。そして、硼酸アルカリ
金属塩は、被加工材（マグネシウム合金）の表面に形成
される潤滑剤被膜と被加工材との結びつきを強め加工性
を向上させるために含有するものであって、上記のよう
に、マグネシウム合金に対して１００〜３００℃の温間
での塑性加工性の際の潤滑性能を付与するための炭素数
１０〜１８の脂肪酸アルカリ金属塩と炭素数１２〜１８
の脂肪酸アルカリ土類金属塩との合計量に対して０．１
５倍量未満であると、この硼酸アルカリ金属塩による役
割を十分に発現させることができず、１．２倍量より多
いと、相対的に上記脂肪酸のアルカリ金属塩やアルカリ
土類金属塩の量が少なくなりすぎ、所望の潤滑性能を付
与することができなくなる。The content of the alkali metal salt of boric acid is 2-1.
2% by mass, preferably 2.5 to 11% by mass, and 0.15 of the total amount of the fatty acid alkali metal salt having 10 to 18 carbon atoms and the fatty acid alkaline earth metal salt having 12 to 18 carbon atoms. ~ 1.2 times the amount. If it is less than 2% by mass, a sufficient addition effect cannot be obtained, and if it is more than 12% by mass, the friction coefficient increases and the lubricity decreases. The alkali metal borate salt is contained in order to enhance the workability by strengthening the bond between the lubricant film formed on the surface of the work material (magnesium alloy) and the work material, and as described above. In addition, a fatty acid alkali metal salt having 10 to 18 carbon atoms and 12 to 18 carbon atoms for imparting lubrication performance to the magnesium alloy during plastic workability at a temperature of 100 to 300 ° C.
0.1 of the total amount of fatty acid and alkaline earth metal salt
When the amount is less than 5 times, the role of the alkali metal borate cannot be sufficiently exhibited, and when the amount is more than 1.2 times, the amount of the alkali metal salt or alkaline earth metal salt of the fatty acid is relatively high. The amount becomes too small to provide desired lubrication performance.
【００１９】硼酸のアルカリ金属塩としては、ナトリウ
ム塩、カリウム塩などを用いることができ、硼酸として
は、メタ硼酸、四硼酸などを用いることができる。As the alkali metal salt of boric acid, sodium salt, potassium salt and the like can be used, and as boric acid, metaboric acid, tetraboric acid and the like can be used.
【００２０】なお、以上の３成分を必須成分とし、これ
らの３成分を上記の割合で含む第２潤滑剤は、ｐＨが９
〜１０程度となり、第２潤滑剤の場合は、この程度のｐ
Ｈ範囲で、十分な温間塑性加工性、特に温間プレス加工
性を得ることができ、しかもマグネシウム合金を破断さ
せたり、金型へ凝着させるなどの問題も発生しない。The second lubricant containing the above three components as essential components and containing these three components in the above proportions has a pH of 9
-10, and in the case of the second lubricant, p of this level
In the H range, sufficient warm plastic workability, especially warm press workability can be obtained, and there is no problem such as breaking of the magnesium alloy or adhesion to the die.
【００２１】本発明の第１，第２潤滑剤は、以上の各成
分の他に、必要に応じて他の成分、例えば、界面活性
剤、防錆剤、消泡剤などの補助成分を適量配合すること
ができる。In the first and second lubricants of the present invention, in addition to the above components, if necessary, other components, for example, auxiliary components such as surfactants, rust preventives, defoaming agents and the like are added in appropriate amounts. It can be blended.
【００２２】本発明の第１，第２潤滑剤は、塑性加工す
る際に、被加工材の表面に前記のような種々の塗布手段
で塗布し、乾燥して、潤滑剤皮膜を形成することによ
り、加工に供せられる。このときの塗布量は、特に制限
されないが、通常は、乾燥後の質量で０．１〜１０ｇ／
ｍ２となる量である。The first and second lubricants of the present invention are applied to the surface of the material to be processed by the above-mentioned various application means at the time of plastic working and dried to form a lubricant film. Is used for processing. The coating amount at this time is not particularly limited, but is usually 0.1 to 10 g / mass after drying.
The amount is m 2 .
【００２３】また、本発明の第１，第２潤滑剤は、上記
のようにして潤滑剤皮膜を形成した後、１００〜３００
℃の温度で加工に供せられる。マグネシウム合金は、前
記のように、常温での加工性に乏しいため、プレス加工
などは、通常、２００〜３００℃程度の温間で行われ、
本発明の第１，第２潤滑剤は、この通常の温度条件での
プレス加工などの際に十分な潤滑性能を示すばかりか、
加工温度を１００℃まで低下させても、十分な潤滑性能
を示すことができる。The first and second lubricants of the present invention are 100 to 300 after forming the lubricant film as described above.
Processed at a temperature of ℃. As described above, since the magnesium alloy has poor workability at room temperature, press working or the like is usually performed at a temperature of about 200 to 300 ° C.
The first and second lubricants of the present invention not only exhibit sufficient lubricating performance during press working under these normal temperature conditions,
Even if the processing temperature is lowered to 100 ° C., sufficient lubricating performance can be exhibited.
【００２４】本発明の第１，第２潤滑剤は、前記の各成
分を前記の所定量で配合し、均一に混合することにより
得ることができる。このときの上記各成分の添加方法や
混合方法などは、特に制限されるものではなく、種々の
方法により行うことができ、また各成分の添加（混合）
順序も種々の順序で行うことができる。The first and second lubricants of the present invention can be obtained by mixing the above-mentioned respective components in the above-mentioned predetermined amounts and mixing them uniformly. At this time, the addition method or mixing method of each of the above components is not particularly limited, and various methods can be used, and addition of each component (mixing)
The order can also be performed in various orders.
【００２５】例えば、第１潤滑剤においては、（１）予
め所定量の水を入れた混合装置に、先ず炭素数１０〜１
８の脂肪酸アルカリ金属塩を所定量一度に（又は徐々
に）添加し、次いで炭素数１２〜１８の脂肪酸アルカリ
土類金属塩を所定量一度に（又は徐々に）添加し、これ
ら両成分を混合しつつ、アルカリ金属水酸化物を徐々に
添加してｐＨを１２〜１４に調整したり、（２）炭素数
１０〜１８の脂肪酸アルカリ金属塩の所定量と炭素数１
２〜１８の脂肪酸アルカリ土類金属塩の所定量とを予め
混合しておき、これを注水してある混合装置に一度に
（又は徐々に）投入し、混合しつつ、アルカリ金属水酸
化物を徐々に添加してｐＨを１２〜１４に調整したり、
（３）混合装置に、所定量の水と、所定量の炭素数１０
〜１８の脂肪酸アルカリ金属塩と、所定量の炭素数１２
〜１８の脂肪酸アルカリ土類金属塩を一度に（又は徐々
に）投入し、混合しつつ、アルカリ金属水酸化物を徐々
に添加してｐＨを１２〜１４に調整するなどが挙げられ
る。他の成分（複数種の成分）を配合する場合は、適宜
の箇所でそれぞれ別々に一度に（又は徐々に）投入して
もよいし、予め全てを混合しておいたものを一度に（又
は徐々に）投入してもよい。For example, in the case of the first lubricant, (1) first, add 10 to 1 carbon atoms to a mixing device in which a predetermined amount of water is put in advance.
The fatty acid alkali metal salt of 8 is added once (or gradually) at a predetermined amount, then the fatty acid alkaline earth metal salt of 12 to 18 carbon atoms is added at once (or gradually), and both components are mixed. While adjusting the pH to 12 to 14 by gradually adding an alkali metal hydroxide, (2) a predetermined amount of a fatty acid alkali metal salt having 10 to 18 carbon atoms and 1 carbon atom.
2-18 fatty acid alkaline earth metal salt is mixed in advance with a predetermined amount, and the mixture is poured into a mixing device in which water is poured all at once (or gradually), and while mixing, alkali metal hydroxide is added. Add gradually to adjust pH to 12-14,
(3) A predetermined amount of water and a predetermined amount of carbon number 10 in the mixing device.
~ 18 fatty acid alkali metal salt and a predetermined amount of 12 carbon atoms
-18 fatty acid alkaline earth metal salt is added at once (or gradually), and while mixing, alkali metal hydroxide is gradually added and pH is adjusted to 12-14. When other components (a plurality of types of components) are blended, they may be separately added at one time (or gradually) at appropriate places, or all of them may be mixed in advance at one time (or May be added gradually).
【００２６】また、第２潤滑剤においても、（１）予め
所定量の水を入れた混合装置に、先ず炭素数１０〜１８
の脂肪酸アルカリ金属塩を所定量一度に（又は徐々に）
添加し、次いで炭素数１２〜１８の脂肪酸アルカリ土類
金属塩を所定量一度に（又は徐々に）添加し、最後に硼
酸アルカリ金属塩を所定量一度に（又は徐々に）添加し
て、混合したり、（２）炭素数１０〜１８の脂肪酸アル
カリ金属塩の所定量と炭素数１２〜１８の脂肪酸アルカ
リ土類金属塩の所定量とを予め混合しておき、これを注
水してある混合装置に一度に（又は徐々に）投入し、混
合しつつ、硼酸アルカリ金属塩を所定量一度に（又は徐
々に）添加したり、（３）混合装置に、所定量の水と、
所定量の炭素数１０〜１８の脂肪酸アルカリ金属塩と、
所定量の炭素数１２〜１８の脂肪酸アルカリ土類金属塩
と、所定量の硼酸アルカリ金属塩を一度に（又は徐々
に）投入し、混合したりなどが挙げられる。他の成分
（複数種の成分）を配合する場合は、第１潤滑剤の場合
と同様に、適宜の箇所でそれぞれ別々に一度に（又は徐
々に）投入してもよいし、予め全てを混合しておいたも
のを一度に（又は徐々に）投入してもよい。Also, in the second lubricant, (1) first, a mixture having a predetermined amount of water is first put in a mixing device having 10 to 18 carbon atoms.
A certain amount of fatty acid alkali metal salt at once (or gradually)
Then, a predetermined amount of fatty acid alkaline earth metal salt having 12 to 18 carbon atoms is added at once (or gradually), and finally, a boric acid alkali metal salt is added at a predetermined amount at once (or gradually) and mixed. Or (2) a predetermined amount of fatty acid alkali metal salt having 10 to 18 carbon atoms and a predetermined amount of fatty acid alkaline earth metal salt having 12 to 18 carbon atoms are mixed in advance, and water is poured into the mixture. A predetermined amount of alkali metal borate is added at once (or gradually) while being added to the device at once (or gradually) and mixed, or (3) a predetermined amount of water is added to the mixing device,
A predetermined amount of a fatty acid alkali metal salt having 10 to 18 carbon atoms,
For example, a predetermined amount of fatty acid alkaline earth metal salt having 12 to 18 carbon atoms and a predetermined amount of alkali metal borate salt may be added at once (or gradually) and mixed. When other components (a plurality of types of components) are blended, as in the case of the first lubricant, they may be separately added at one time (or gradually) at appropriate places, or they may be mixed in advance. You may throw in what was set at once (or gradually).
【００２７】なお、本発明の第１，第２潤滑剤において
は、上記の炭素数１０〜１８の脂肪酸アルカリ金属塩、
炭素数１２〜１８の脂肪酸アルカリ土類金属塩、硼酸ア
ルカリ金属塩などの各成分は、これら各成分の構成材料
を混合（添加）することにより生成するものを含んでい
てもよい。例えば、炭素数１０〜１８の脂肪酸アルカリ
金属塩の場合は、上記の混合装置に、炭素数１０〜１８
の脂肪酸とアルカリ金属源とを投入し、上記のような各
成分の投入、混合の際に、脂肪酸とアルカリ金属とが反
応して炭素数１０〜１８の脂肪酸アルカリ金属塩を生成
するようなものであってもよく、炭素数１２〜１８の脂
肪酸アルカリ土類金属塩の場合も同様に、炭素数１２〜
１８の脂肪酸とアルカリ土類金属源とを投入し、上記の
ような各成分の投入、混合の際に、脂肪酸とアルカリ土
類金属とが反応して炭素数１２〜１８の脂肪酸アルカリ
土類金属塩を生成するようなものであってもよく、硼酸
アルカリ金属塩の場合も同様に、前記したような硼酸と
アルカリ金属源とを投入し、上記のような各成分の投
入、混合の際に、硼酸とアルカリ金属源とが反応して硼
酸アルカリ金属塩を生成するようなものであってもよ
い。In the first and second lubricants of the present invention, the fatty acid alkali metal salt having 10 to 18 carbon atoms,
Each component such as a fatty acid alkaline earth metal salt having 12 to 18 carbon atoms and an alkali metal borate salt may include those produced by mixing (adding) the constituent materials of these components. For example, in the case of a fatty acid alkali metal salt having 10 to 18 carbon atoms, 10 to 18 carbon atoms are added to the above mixing device.
The fatty acid and the alkali metal source are added, and when the above components are added and mixed, the fatty acid reacts with the alkali metal to form a fatty acid alkali metal salt having 10 to 18 carbon atoms. May also be used, and similarly in the case of a fatty acid alkaline earth metal salt having 12 to 18 carbon atoms,
18 fatty acids and an alkaline earth metal source are charged, and when the above components are charged and mixed, the fatty acids and the alkaline earth metal react to cause a fatty acid alkaline earth metal having 12 to 18 carbon atoms. It may be one that produces a salt, and similarly in the case of an alkali metal borate salt, the above-mentioned boric acid and an alkali metal source are charged, and when the respective components as described above are charged and mixed, It is also possible that boric acid and an alkali metal source react with each other to form an alkali metal borate.
【００２８】以上説明した本発明の第１，第２潤滑剤
は、マグネシウム合金のプレス加工、絞り加工、引き抜
き加工などの各種塑性加工に、上記のような使用態様で
好適に使用することができる。The above-described first and second lubricants of the present invention can be suitably used in various plastic workings such as press working, drawing working, and drawing working of magnesium alloy in the above-mentioned usage modes. .
【００２９】[0029]
【実施例】以下の実施例と比較例の評価試験は、次の方
法により行った。
〔円筒深絞り試験〕深絞り試験においての評価法は、限
界絞り比（以後ＬＤＲと記述）を求めることとする。Ｌ
ＤＲは、試験片の径を変化させて行き、成形可能な大き
さの径を求め、この径と、このときのポンチの径との比
を表し、ＬＤＲが大きいほど成形性が優れることを示し
ており、ＬＤＲが３．０以上を◎、２．８以上３．０未
満を○、２．６以上２．８未満を△、２．６未満を×と
した。このとき用いた深絞り装置の仕様と、試験片の仕
様と、加工条件は、次の通りであった。
ダイス：φ３０．００ｍｍ、肩Ｒ：２．０ｍｍ
ポンチ：φ２８．００ｍｍ、先端Ｒ：２．０ｍｍ
試験片：ＭＰ１ Ｍｇ合金（ＪＩＳ Ｈ４２０１）、板
厚；０．９ｍｍ
加工速度：３０ｍｍ／ｓ
加工温度：２５０℃EXAMPLES The evaluation tests of the following examples and comparative examples were carried out by the following method. [Cylindrical Deep Drawing Test] The evaluation method in the deep drawing test is to obtain a limiting drawing ratio (hereinafter referred to as LDR). L
DR changes the diameter of the test piece to obtain the diameter of the size that can be formed, and represents the ratio of this diameter to the diameter of the punch at this time, showing that the larger the LDR, the better the formability. The LDR of 3.0 or more is marked with ⊚, 2.8 or more and less than 3.0 is marked with ○, 2.6 or more and less than 2.8 is marked with Δ, and less than 2.6 is marked with x. The specifications of the deep drawing apparatus used at this time, the specifications of the test piece, and the processing conditions were as follows. Die: φ30.00 mm, Shoulder R: 2.0 mm Punch: φ28.00 mm, Tip R: 2.0 mm Test piece: MP1 Mg alloy (JIS H4201), Plate thickness: 0.9 mm Processing speed: 30 mm / s Processing temperature: 250 ° C
【００３０】〔摩擦係数測定試験〕バウデン滑り摩擦試
験機を用い、下記の測定条件により、摩擦係数を測定
し、測定温度２５０℃、１００℃のいずれの場合も、
０．０２５未満を◎、０．０２５以上０．０３５未満を
○、０．０３５以上２．６未満を△、０．０５０以上を
×とした。
試験片：ＡＺ−３１Ｈ２４Ｍｇ合金
滑り速度：４００ｍｍ／ｍｉｎ
往復回数：２０回
荷重：１ｋｇ
測定温度：２５０℃、１００℃
方法：固定した試験球に荷重をかけ、潤滑剤を塗布した
試験片上に、この試験球を往復させ、各回の摩擦係数を
計測し、平均値を潤滑剤の摩擦係数とする。[Friction Coefficient Measurement Test] Using a Bowden sliding friction tester, the friction coefficient was measured under the following measurement conditions, and at both measurement temperatures of 250 ° C. and 100 ° C.,
Less than 0.025 was evaluated as ⊚, 0.025 to less than 0.035 was evaluated as ◯, 0.035 to less than 2.6 was evaluated as Δ, and 0.050 or more was evaluated as x. Test piece: AZ-31H24Mg alloy Sliding speed: 400 mm / min Number of reciprocations: 20 times Load: 1 kg Measurement temperature: 250 ° C., 100 ° C. Method: A load was applied to a fixed test ball, and this was applied on a test piece coated with a lubricant. The test ball is reciprocated, the friction coefficient of each time is measured, and the average value is used as the friction coefficient of the lubricant.
【００３１】〔脱脂試験〕下記の条件により脱脂試験を
行い、脱脂性能を評価し、試験片の水濡れ面積が９５％
以上を○、６０％以上９５％未満を△、６０％未満を×
とした。
条件：市販の脱脂剤（水酸化ナトリウム、ケイ酸ソーダ
を主成分とする市販洗浄剤２質量％水溶液）中に、４０
℃で、２分間浸漬し、引き上げ後、試験片の水濡れ面積
（％）により評価を行った。[Degreasing Test] A degreasing test was conducted under the following conditions to evaluate degreasing performance, and the water-wetted area of the test piece was 95%.
The above is ○, 60% or more and less than 95% is △, and less than 60% is ×
And Conditions: 40 in a commercially available degreasing agent (2% by weight aqueous solution of a commercial detergent containing sodium hydroxide and sodium silicate as a main component)
After dipping at 2 ° C. for 2 minutes and pulling up, evaluation was performed by the water-wetted area (%) of the test piece.
【００３２】〔被膜の形成〕被加工材に、潤滑剤をロー
ルコーターで１回塗布し、８０℃で５分間乾燥して、潤
滑剤の被膜を形成した。このときの塗布量は、乾燥後の
質量で約１．０ｇ／ｍ２とした。[Formation of Film] A lubricant was applied to the material to be processed once with a roll coater and dried at 80 ° C. for 5 minutes to form a film of the lubricant. The coating amount at this time was about 1.0 g / m 2 in terms of mass after drying.
【００３３】実施例１
水８２．０質量％と、ヤシ脂肪酸カリウム９．０質量％
と、ステアリン酸カリウム４．０質量％と、ステアリン
酸カルシウム４．０質量％と、界面活性剤（東邦化学社
製商品名“フォスフォノールＲＢ−４１０”）１．０質
量％を混合し、水酸化カリウムによりｐＨを１２．２に
調整し、本発明の第１潤滑剤である水系塑性加工潤滑剤
を得た。この潤滑剤について上記の各評価試験を行っ
た。この結果を表１に示す。Example 1 82.0% by mass of water and 9.0% by mass of potassium coconut fatty acid
And 4.0 mass% of potassium stearate, 4.0 mass% of calcium stearate, and 1.0 mass% of a surfactant (trade name “phosphonol RB-410” manufactured by Toho Chemical Co., Ltd.), and mixed with water. The pH was adjusted to 12.2 with potassium oxide to obtain a water-based plastic working lubricant as the first lubricant of the present invention. The above evaluation tests were conducted on this lubricant. The results are shown in Table 1.
【００３４】実施例２
水８２．０質量％と、ヤシ脂肪酸カリウム９．０質量％
と、ステアリン酸カリウム４．０質量％と、ステアリン
酸カルシウム４．０質量％と、界面活性剤（実施例１と
同じもの）１．０質量％を混合して、水酸化カリウムに
よりｐＨを１２．８に調整し、本発明の第１潤滑剤であ
る水系塑性加工潤滑剤を得た。この潤滑剤について上記
の各評価試験を行った。この結果を表１に示す。Example 2 82.0% by mass of water and 9.0% by mass of potassium coconut fatty acid
And 4.0 mass% of potassium stearate, 4.0 mass% of calcium stearate, and 1.0 mass% of a surfactant (the same as in Example 1) were mixed, and the pH was adjusted to 12 with potassium hydroxide. The water-based plastic working lubricant, which is the first lubricant of the present invention, was obtained. The above evaluation tests were conducted on this lubricant. The results are shown in Table 1.
【００３５】実施例３
水８２．０質量％と、ヤシ脂肪酸カリウム９．０質量％
と、ステアリン酸カリウム４．０質量％と、ステアリン
酸カルシウム４．０質量％と、界面活性剤（実施例１と
同じもの）１．０質量％を混合して、水酸化カリウムに
よりｐＨを１３．５に調整し、本発明の第１潤滑剤であ
る水系塑性加工潤滑剤を得た。この潤滑剤について上記
の各評価試験を行った。この結果を表１に示す。Example 3 82.0% by mass of water and 9.0% by mass of potassium coconut fatty acid
And 4.0 mass% of potassium stearate, 4.0 mass% of calcium stearate, and 1.0 mass% of a surfactant (the same as in Example 1) were mixed, and the pH was adjusted to 13. The water-based plastic working lubricant, which was the first lubricant of the present invention, was obtained. The above evaluation tests were conducted on this lubricant. The results are shown in Table 1.
【００３６】実施例４
水７５．０質量％と、ヤシ脂肪酸カリウム１５．０質量
％と、ステアリン酸カリウム４．０質量％と、ステアリ
ン酸カルシウム５．０質量％と、界面活性剤（実施例１
と同じもの）１．０質量％を混合して、水酸化カリウム
によりｐＨを１２．８に調整し、本発明の第１潤滑剤で
ある水系塑性加工潤滑剤を得た。この潤滑剤について上
記の各評価試験を行った。この結果を表１に示す。Example 4 Water 75.0% by mass, potassium coconut fatty acid 15.0% by mass, potassium stearate 4.0% by mass, calcium stearate 5.0% by mass, and a surfactant (Example 1
The same as the above) was mixed, and the pH was adjusted to 12.8 with potassium hydroxide to obtain a water-based plastic working lubricant which was the first lubricant of the present invention. The above evaluation tests were conducted on this lubricant. The results are shown in Table 1.
【００３７】実施例５
水８８．０質量％と、ヤシ脂肪酸カリウム６．０質量％
と、ステアリン酸カリウム２．０質量％と、ステアリン
酸カルシウム３．０質量％と、界面活性剤（実施例１と
同じもの）１．０質量％を混合して、水酸化カリウムに
よりｐＨを１２．８に調整し、本発明の第１潤滑剤であ
る水系塑性加工潤滑剤を得た。この潤滑剤について上記
の各評価試験を行った。この結果を表１に示す。Example 5 Water 88.0% by mass and palm fatty acid potassium 6.0% by mass
And 2.0 mass% of potassium stearate, 3.0 mass% of calcium stearate, and 1.0 mass% of a surfactant (the same as in Example 1) were mixed, and the pH was adjusted to 12 with potassium hydroxide. The water-based plastic working lubricant, which is the first lubricant of the present invention, was obtained. The above evaluation tests were conducted on this lubricant. The results are shown in Table 1.
【００３８】比較例１
水８２．０質量％と、ヤシ脂肪酸カリウム９．０質量％
と、ステアリン酸カリウム４．０質量％と、ステアリン
酸カルシウム４．０質量％と、界面活性剤（実施例１と
同じもの）１．０質量％を混合して、水酸化カリウムに
よりｐＨを１０．０に調整し、第１潤滑剤に対する比較
の水系塑性加工潤滑剤を得た。この潤滑剤について上記
の各評価試験を行った。この結果を表１に示す。Comparative Example 1 Water 82.0% by mass and coconut fatty acid potassium 9.0% by mass
And 4.0 mass% of potassium stearate, 4.0 mass% of calcium stearate, and 1.0 mass% of a surfactant (the same as in Example 1) were mixed, and the pH was adjusted to 10 with potassium hydroxide. It was adjusted to 0 to obtain a comparative water-based plastic working lubricant for the first lubricant. The above evaluation tests were conducted on this lubricant. The results are shown in Table 1.
【００３９】比較例２
水８２．０質量％と、ヤシ脂肪酸カリウム９．０質量％
と、ステアリン酸カリウム４．０質量％と、ステアリン
酸カルシウム４．０質量％と、界面活性剤（実施例１と
同じもの）１．０質量％を混合して、水酸化カリウムに
よりｐＨを１１．０に調整し、第１潤滑剤に対する比較
の水系塑性加工潤滑剤を得た。この潤滑剤について上記
の各評価試験を行った。この結果を表１に示す。Comparative Example 2 82.0% by mass of water and 9.0% by mass of potassium coconut fatty acid
And 4.0 mass% of potassium stearate, 4.0 mass% of calcium stearate, and 1.0 mass% of a surfactant (the same as in Example 1) are mixed, and the pH is adjusted to 11. It was adjusted to 0 to obtain a comparative water-based plastic working lubricant for the first lubricant. The above evaluation tests were conducted on this lubricant. The results are shown in Table 1.
【００４０】比較例３
水６６．０質量％と、ヤシ脂肪酸カリウム２０．０質量
％と、ステアリン酸カリウム５．０質量％と、ステアリ
ン酸カルシウム８．０質量％と、界面活性剤（実施例１
と同じもの）１．０質量％を混合して、水酸化カリウム
によりｐＨを１２．８に調整し、第１潤滑剤に対する比
較の水系塑性加工潤滑剤を得ようとしたが、混合中にゲ
ル状となり、塗布が不可能となったため、潤滑剤の調製
を断念した。Comparative Example 3 Water 66.0% by mass, coconut fatty acid potassium 20.0% by mass, potassium stearate 5.0% by mass, calcium stearate 8.0% by mass, and a surfactant (Example 1).
(Same as the above) but mixed 1.0% by mass and adjusted the pH to 12.8 with potassium hydroxide to obtain a comparative water-based plastic working lubricant for the first lubricant. Since it became impossible to apply it, the preparation of the lubricant was abandoned.
【００４１】比較例４
水９３．０質量％と、ヤシ脂肪酸カリウム４．０質量％
と、ステアリン酸カリウム１．０質量％と、ステアリン
酸カルシウム１．０質量％と、界面活性剤（実施例１と
同じもの）１．０質量％を混合して、水酸化カリウムに
よりｐＨを１２．８に調整し、第１潤滑剤に対する比較
の水系塑性加工潤滑剤を得た。この潤滑剤について上記
の各評価試験を行った。この結果を表１に示す。Comparative Example 4 93.0% by mass of water and 4.0% by mass of potassium coconut fatty acid
And 1.0 mass% of potassium stearate, 1.0 mass% of calcium stearate, and 1.0 mass% of a surfactant (the same as in Example 1) were mixed, and the pH was adjusted to 12 with potassium hydroxide. 8 was obtained to obtain a water-based plastic working lubricant for comparison with the first lubricant. The above evaluation tests were conducted on this lubricant. The results are shown in Table 1.
【００４２】実施例６
水８２．０質量％と、ヤシ脂肪酸カリウム７．２質量％
と、ステアリン酸カリウム３．２質量％と、ステアリン
酸カルシウム３．２質量％と、界面活性剤（）０．８質
量％と、ホウ酸カリウム３．６質量％を混合して、本発
明の第２潤滑剤である水系塑性加工潤滑剤を得た。この
潤滑剤について上記の各評価試験を行った。この結果を
表２に示す。Example 6 82.0% by mass of water and 7.2% by mass of potassium coconut fatty acid
Of the present invention by mixing 3.2% by mass of potassium stearate, 3.2% by mass of calcium stearate, 0.8% by mass of a surfactant (), and 3.6% by mass of potassium borate. A water-based plastic working lubricant which is a lubricant was obtained. The above evaluation tests were conducted on this lubricant. The results are shown in Table 2.
【００４３】実施例７
水８２．５質量％と、ヤシ脂肪酸カリウム４．５質量％
と、ステアリン酸カリウム２．０質量％と、ステアリン
酸カルシウム２．０質量％と、界面活性剤（実施例６と
同じもの）０．５質量％と、ホウ酸カリウム８．５質量
％を混合して、本発明の第２潤滑剤である水系塑性加工
潤滑剤を得た。この潤滑剤について上記の各評価試験を
行った。この結果を表２に示す。Example 7 Water 82.5% by mass, palm fatty acid potassium 4.5% by mass
And 2.0 mass% potassium stearate, 2.0 mass% calcium stearate, 0.5 mass% surfactant (the same as in Example 6), and 8.5 mass% potassium borate. Thus, an aqueous plastic working lubricant, which is the second lubricant of the present invention, was obtained. The above evaluation tests were conducted on this lubricant. The results are shown in Table 2.
【００４４】比較例５
水８２．０質量％と、ヤシ脂肪酸カリウム８．１質量％
と、ステアリン酸カリウム３．６質量％と、ステアリン
酸カルシウム３．６質量％と、界面活性剤（実施例６と
同じもの）０．９質量％と、ホウ酸カリウム１．８質量
％を混合して、第２潤滑剤に対する比較の水系塑性加工
潤滑剤を得た。この潤滑剤について上記の各評価試験を
行った。この結果を表２に示す。Comparative Example 5 82.0% by mass of water and 8.1% by mass of potassium coconut fatty acid
And 3.6 mass% potassium stearate, 3.6 mass% calcium stearate, 0.9 mass% surfactant (the same as in Example 6), and 1.8 mass% potassium borate. As a result, a comparative water-based plastic working lubricant for the second lubricant was obtained. The above evaluation tests were conducted on this lubricant. The results are shown in Table 2.
【００４５】比較例６
水８２．８質量％と、ヤシ脂肪酸カリウム１．８質量％
と、ステアリン酸カリウム０．８質量％と、ステアリン
酸カルシウム０．８質量％と、界面活性剤（実施例６と
同じもの）０．２質量％と、ホウ酸カリウム１３．６質
量％を混合して、第２潤滑剤に対する比較の水系塑性加
工潤滑剤を得た。この潤滑剤について上記の各評価試験
を行った。この結果を表２に示す。Comparative Example 6 Water 82.8% by mass and palm fatty acid potassium 1.8% by mass
And 0.8 mass% potassium stearate, 0.8 mass% calcium stearate, 0.2 mass% surfactant (the same as in Example 6), and 13.6 mass% potassium borate. As a result, a comparative water-based plastic working lubricant for the second lubricant was obtained. The above evaluation tests were conducted on this lubricant. The results are shown in Table 2.
【００４６】比較例７
水６０．０質量％と、ヤシ脂肪酸カリウム１５．０質量
％と、ステアリン酸カリウム５．０質量％と、ステアリ
ン酸カルシウム５．０質量％と、界面活性剤（実施例６
と同じもの）０．９質量％と、ホウ酸カリウム１４．１
質量％を混合して、第２潤滑剤に対する比較の水系塑性
加工潤滑剤を得ようとしたが、混合中にゲル状となり、
塗布が不可能となったため、潤滑剤の調製を断念した。Comparative Example 7 Water 60.0% by mass, coconut fatty acid potassium 15.0% by mass, potassium stearate 5.0% by mass, calcium stearate 5.0% by mass, and a surfactant (Example 6).
Same as) 0.9% by mass, potassium borate 14.1
An attempt was made to obtain a comparative water-based plastic working lubricant by mixing with the second lubricant, but a gel was formed during mixing,
Since the application became impossible, the preparation of the lubricant was abandoned.
【００４７】比較例８
水９５．１質量％と、ヤシ脂肪酸カリウム２．０質量％
と、ステアリン酸カリウム０．５質量％と、ステアリン
酸カルシウム０．５質量％と、界面活性剤（実施例６と
同じもの）０．９質量％と、ホウ酸カリウム１．０質量
％を混合して、第２潤滑剤に対する比較の水系塑性加工
潤滑剤を得た。この潤滑剤について上記の各評価試験を
行った。この結果を表２に示す。Comparative Example 8 Water 95.1% by mass and palm fatty acid potassium 2.0% by mass
And 0.5 mass% potassium stearate, 0.5 mass% calcium stearate, 0.9 mass% surfactant (the same as in Example 6), and 1.0 mass% potassium borate. As a result, a comparative water-based plastic working lubricant for the second lubricant was obtained. The above evaluation tests were conducted on this lubricant. The results are shown in Table 2.
【００４８】比較例９
市販の硫黄系プレス加工用潤滑油（４０℃動粘度９７ｍ
ｍ２／ｓ）を用いて、上記の各評価試験を行った。この
結果を表２に示す。Comparative Example 9 Commercially available sulfur type lubricating oil for press working (40 ° C., kinematic viscosity 97 m
m 2 / s) was used to perform each of the above evaluation tests. The results are shown in Table 2.
【００４９】比較例１０
市販の硫黄系プレス加工用潤滑油（４０℃動粘度４０９
ｍｍ２／ｓ）を用いて、上記の各評価試験を行った。こ
の結果を表２に示す。Comparative Example 10 Commercially available sulfur-based lubricating oil for press working (40 ° C., kinematic viscosity 409
mm 2 / s) was used to perform each of the above evaluation tests. The results are shown in Table 2.
【００５０】[0050]
【表１】 [Table 1]
【００５１】[0051]
【表２】 [Table 2]
【００５２】比較例１１
実施例２で得た本発明の第１潤滑剤を用い、上記の円筒
深絞り試験を、加工温度３５０℃で実施した。この結
果、ＬＤＲが２．６未満で、評価は×であった。Comparative Example 11 Using the first lubricant of the present invention obtained in Example 2, the above cylindrical deep drawing test was carried out at a working temperature of 350 ° C. As a result, the LDR was less than 2.6 and the evaluation was x.
【００５３】比較例１２
実施例６で得た本発明の第２潤滑剤を用い、上記の円筒
深絞り試験を、加工温度３５０℃、５０℃で実施した。
この結果、加工温度３５０℃、５０℃のいずれの場合
も、ＬＤＲが２．６未満で、評価は×であった。Comparative Example 12 Using the second lubricant of the present invention obtained in Example 6, the above cylindrical deep drawing test was carried out at working temperatures of 350 ° C. and 50 ° C.
As a result, the LDR was less than 2.6 and the evaluation was x in both cases of the processing temperature of 350 ° C. and 50 ° C.
【００５４】[0054]
【発明の効果】以上のように、本発明のマグネシウム合
金用塑性加工潤滑剤によれば、マグネシウム合金の板材
の塑性加工性に優れており、特にプレス加工性を向上さ
せる上で極めて有効である。しかも、本発明のマグネシ
ウム合金用塑性加工潤滑剤は、脱脂性にも優れており、
実用上極めて有用である。As described above, according to the plastic working lubricant for magnesium alloys of the present invention, the plastic workability of the magnesium alloy plate material is excellent, and it is extremely effective especially for improving the press workability. . Moreover, the plastic working lubricant for magnesium alloy of the present invention is also excellent in degreasing property,
It is extremely useful in practice.
───────────────────────────────────────────────────── 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 10:04 Ｃ１０Ｎ 10:04 20:00 20:00 Ｚ 30:00 30:00 Ａ 40:24 40:24 Ｚ 50:02 50:02 Ｆターム(参考） 4H104 AA01Z AA13C BB17A BB17C EA21C FA01 FA02 LA11 PA27 PA33 QA01 QA08 RA06─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) C10N 10:04 C10N 10:04 20:00 20:00 Z 30:00 30:00 A 40:24 40: 24 Z 50:02 50:02 F term (reference) 4H104 AA01Z AA13C BB17A BB17C EA21C FA01 FA02 LA11 PA27 PA33 QA01 QA08 RA06
Claims (2)
属塩を７〜２０質量％、 炭素数１２〜１８の脂肪酸のアルカリ土類金属塩を２〜
６質量％含有し、かつｐＨが１２〜１４になる量のアル
カリ金属水酸化物を含有する水溶液からなり、 被加工材表面に塗布乾燥後、潤滑剤皮膜を形成すること
により、１００〜３００℃の温度で加工に供せられるこ
とを特徴とするマグネシウム合金用塑性加工潤滑剤。1. An alkali metal salt of a fatty acid having 10 to 18 carbon atoms in an amount of 7 to 20% by mass, and an alkaline earth metal salt of a fatty acid having 12 to 18 carbon atoms in an amount of 2 to 2.
It is composed of an aqueous solution containing 6% by mass and an amount of an alkali metal hydroxide having a pH of 12 to 14, and is applied to the surface of a material to be processed and dried to form a lubricant film. A plastic working lubricant for magnesium alloys, which is characterized by being subjected to working at the temperature of.
属塩を３〜１５質量％、 炭素数１２〜１８の脂肪酸のアルカリ土類金属塩を１〜
４質量％、および硼酸のアルカリ金属塩を２〜１２質量
％であって、前記炭素数１０〜１８の脂肪酸のアルカリ
金属塩と炭素数１２〜１８の脂肪酸のアルカリ土類金属
塩との合計量の０．１５〜１．２倍量含有する水溶液か
らなり、 被加工材表面に塗布乾燥後、潤滑剤皮膜を形成すること
により、１００〜３００℃の温度で加工に供せられるこ
とを特徴とするマグネシウム合金用塑性加工潤滑剤。2. An alkali metal salt of a fatty acid having 10 to 18 carbon atoms in an amount of 3 to 15% by mass, and an alkaline earth metal salt of a fatty acid having 12 to 18 carbon atoms in an amount of 1 to 1.
4% by mass, and 2 to 12% by mass of boric acid alkali metal salt, the total amount of the C10 to C18 fatty acid alkali metal salt and the C12 to C18 fatty acid alkaline earth metal salt. It is characterized by comprising an aqueous solution containing 0.15 to 1.2 times the amount of the above, and forming a lubricant film after coating and drying on the surface of the material to be processed so that it can be processed at a temperature of 100 to 300 ° C. A plastic working lubricant for magnesium alloys.
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|---|---|---|---|
| JP2001282668A JP4754125B2 (en) | 2001-09-18 | 2001-09-18 | Plastic processing lubricant for magnesium alloy |
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| JP4754125B2 (en) | 2011-08-24 |
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