JPH0345698A - Lubricant composition - Google Patents
Lubricant compositionInfo
- Publication number
- JPH0345698A JPH0345698A JP18138689A JP18138689A JPH0345698A JP H0345698 A JPH0345698 A JP H0345698A JP 18138689 A JP18138689 A JP 18138689A JP 18138689 A JP18138689 A JP 18138689A JP H0345698 A JPH0345698 A JP H0345698A
- Authority
- JP
- Japan
- Prior art keywords
- parts
- weight
- oil
- friction
- wear
- 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.)
- Pending
Links
- 239000000203 mixture Substances 0.000 title claims description 22
- 239000000314 lubricant Substances 0.000 title abstract description 21
- 239000004760 aramid Substances 0.000 claims abstract description 15
- 239000005662 Paraffin oil Substances 0.000 claims abstract description 7
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 5
- 230000001050 lubricating effect Effects 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 12
- 229920003235 aromatic polyamide Polymers 0.000 claims description 10
- 239000003921 oil Substances 0.000 abstract description 11
- 239000002199 base oil Substances 0.000 abstract description 5
- 239000003963 antioxidant agent Substances 0.000 abstract description 3
- 239000004034 viscosity adjusting agent Substances 0.000 abstract description 3
- JNRLEMMIVRBKJE-UHFFFAOYSA-N 4,4'-Methylenebis(N,N-dimethylaniline) Chemical compound C1=CC(N(C)C)=CC=C1CC1=CC=C(N(C)C)C=C1 JNRLEMMIVRBKJE-UHFFFAOYSA-N 0.000 abstract description 2
- 230000003078 antioxidant effect Effects 0.000 abstract description 2
- 239000000344 soap Substances 0.000 abstract description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 abstract 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052744 lithium Inorganic materials 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 22
- 238000012360 testing method Methods 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 12
- 229920002302 Nylon 6,6 Polymers 0.000 description 8
- 239000004519 grease Substances 0.000 description 7
- 239000000956 alloy Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 5
- 238000009472 formulation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- -1 etc. have been used Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、頻繁に変速の行われる自動車等の変速装置の
摺動部および一般産業機械の軸受部の摩耗を低減するた
めの潤滑組成物の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention provides a lubricating composition for reducing wear on the sliding parts of transmissions in automobiles and other vehicles that undergo frequent gear changes, and on the bearing parts of general industrial machinery. This is related to the improvement of.
（従来の技術）
液状潤滑剤としては、従来、グリース、石油系オイル、
シリコンオイル、グリセリン等が使用されており、さら
に、これらの潤滑剤に酸化モリブデン、グラファイト等
の固体潤滑剤が併用されていた。(Conventional technology) Conventionally, liquid lubricants include grease, petroleum oil,
Silicone oil, glycerin, etc. have been used, and solid lubricants such as molybdenum oxide and graphite have also been used in combination with these lubricants.
例えば、特開昭６０−２４５８６４号公報には、ウェイ
トローラの摩耗を抑制するための「Ｖベルト用プーリの
可動フェースの背面と繊維強化樹脂からなるウェイトロ
ーラとの摺接部にグリースが充填され、このグリースの
構ｔｃ基油と増稠剤の各比重が３．０以下で且つこれら
構成成分の比重差が１．０以下であり、およびもしくは
グリース構成基油の運動粘度が１００℃のとき１０２’
ストークス以上である■ベルト式自動変速機のウェイト
装置に関する発明Ｊが開示されている。For example, Japanese Patent Application Laid-Open No. 60-245864 describes that ``Grease is filled in the sliding contact area between the back surface of the movable face of the V-belt pulley and the weight roller made of fiber-reinforced resin in order to suppress the wear of the weight roller. When the specific gravity of the base oil and thickener is 3.0 or less, and the difference in specific gravity between these components is 1.0 or less, and/or the kinematic viscosity of the base oil constituting the grease is 100°C. 102'
Invention J relating to a weight device for a belt-type automatic transmission that is larger than Stokes is disclosed.
上部公報によれば、グリースの構成成分の比重を上記の
ように限定することで、エンジンが高速回転してもグリ
ースが遠心分離しないから潤滑性能が低下せず、また、
グリース構成基油の運動粘度を上記のように限定するこ
とで、遠心分離した場合でも十分な潤滑性能を維持でき
る旨記載されている。According to the above publication, by limiting the specific gravity of the components of the grease as described above, the grease will not be centrifuged even when the engine rotates at high speed, so the lubrication performance will not deteriorate, and
It is stated that by limiting the kinematic viscosity of the base oil constituting the grease as described above, sufficient lubricating performance can be maintained even when centrifuged.
（発明が解決しようとする課題）
しかし、上記公報記載のようにグリースを主成分とした
潤滑剤は粘稠なために取り扱いが困難であり、使用中に
周囲を汚しやすい。(Problems to be Solved by the Invention) However, as described in the above publication, a lubricant whose main component is grease is difficult to handle because it is viscous, and it tends to stain the surrounding area during use.
また、低粘度のオイル系の潤滑剤は使用中に飛散しやす
いので潤滑効果を維持できる期間が短く、長期間安定し
て使用できない。Furthermore, since low-viscosity oil-based lubricants tend to scatter during use, their lubricating effect can only be maintained for a short period of time, and they cannot be used stably for a long period of time.
本発明は従来技術の有するこのような問題点に鑑みてな
されたものであり、その目的は、比較的低粘度で取り扱
いやすく、長期間安定した潤滑効果を維持でき、しかも
周囲を汚さない潤滑組成物を提供することにある。The present invention has been made in view of the problems of the prior art, and its purpose is to provide a lubricating composition that has a relatively low viscosity, is easy to handle, can maintain a stable lubricating effect for a long period of time, and does not pollute the surrounding area. It's about providing things.
（課題を解決するための手段）
上記課題を解決するために本発明の構成要旨は、
パラフィンオイルとナフテンオイルを主成分とする油に
アラミド短繊維を添加した潤滑組成物を第一の発明とし
、
上記第一の発明において、パラフィンオイルとナフテン
オイルの合計量１００ ｉ置部に対するアラミド短繊維
の添加量が２〜８重量部である潤滑組成物を第二の発明
とする。(Means for Solving the Problems) In order to solve the above problems, the gist of the present invention is to provide a lubricating composition in which short aramid fibers are added to oil whose main components are paraffin oil and naphthenic oil. In the first invention, the second invention is a lubricating composition in which the amount of aramid short fibers added is 2 to 8 parts by weight per 100 parts of the total amount of paraffin oil and naphthenic oil.
本発明の潤滑組成物の基本配合は、パラフィンオイル、
ナフテンオイルを主成分とし、各オイルが４０〜６０重
量部で且つ合計量を１００重景部としたものに、酸化防
止剤を１〜５重置部、粘度調整剤を０〜１０重量部およ
びアラミド短繊維を添加したものである。The basic composition of the lubricating composition of the present invention is paraffin oil,
Naphthenic oil is the main component, each oil is 40 to 60 parts by weight, and the total amount is 100 parts by weight, 1 to 5 parts by weight of antioxidant, 0 to 10 parts by weight of viscosity modifier, and Added aramid short fibers.
アラくド短繊維の添加量は２〜８重量部が特に好ましい
。The amount of the short fibers added is particularly preferably 2 to 8 parts by weight.
酸化防止剤としては、テトラメチルジアミノジフェニル
メタン、Ｎ、Ｎ−ジセカンダリーブチルーＰフェニレン
シアξン、Ｎ、Ｎ−フサリジン−１，２−プロパンジア
ミン等が好ましい。Preferred antioxidants include tetramethyldiaminodiphenylmethane, N,N-dise-butyl-Pphenylenecyan, N,N-fusaridine-1,2-propanediamine, and the like.
粘度調整剤としては、Ｌｔ石鹸が好ましい。As the viscosity modifier, Lt soap is preferred.
（作用）
本発明に係る潤滑組成物は低粘度のオイルが主成分であ
るから、取り扱いやすくて周囲を汚しにくく、摺動部に
塗布すると、アラミド短繊維が常に摺動部に介在して摩
擦係数を低下し、長期間に渡って安定した潤滑性能を維
持する。(Function) Since the lubricating composition according to the present invention is mainly composed of low-viscosity oil, it is easy to handle and does not easily stain the surrounding area.When applied to sliding parts, the aramid short fibers are always present in the sliding parts, causing friction. Reduces the coefficient and maintains stable lubrication performance over a long period of time.
（実施例）
本発明に係る潤滑組成物の摩擦係数低減効果を調査する
ために、他の潤滑剤（比較例１〜５）と共に以下の試験
を１テうた。(Example) In order to investigate the friction coefficient reducing effect of the lubricating composition according to the present invention, the following tests were conducted together with other lubricants (Comparative Examples 1 to 5).
〔潤滑剤の配合］
本発明の潤滑組成物の配合は以下の表１のようにし、比
較例１〜５の潤滑剤の配合は以下の表２のようにした。[Lubricant formulation] The formulation of the lubricant composition of the present invention was as shown in Table 1 below, and the formulation of the lubricants of Comparative Examples 1 to 5 was as shown in Table 2 below.
表 Ｉ
なお、アラくド短繊維は、直径が１２．４μｍで長さが
０．６ ｍのものを用いた。Table I The short fibers used had a diameter of 12.4 μm and a length of 0.6 m.
表
（ＦＪ！擦摩耗試験〕
そして、表１のようにアラミド短繊維の添加量を変化さ
せた潤滑組成物と表２に示す比較例１〜５の潤滑剤を用
いて、鉛末式摩擦摩耗試験機で後述する条件に従って摩
擦摩耗試験を行い、摺動材（試験材）の摩耗量と試験中
の摺動面の摩擦係数を測定した。Table (FJ! Friction and Wear Test) Using lubricant compositions with varying amounts of aramid short fibers added as shown in Table 1 and lubricants of Comparative Examples 1 to 5 shown in Table 2, lead powder type friction and wear tests were conducted. A friction and wear test was conducted using a testing machine under the conditions described below, and the amount of wear on the sliding material (test material) and the friction coefficient of the sliding surface during the test were measured.
１）摩擦摩耗試験条件
雰囲気温度 １２０°Ｃ
荷重 １０ｋｇｆ
回転速度 ５０ｍ５−／ ｓｅｃ
摺動材 ナイロン６６製の短円筒状のものとＪＩ
Ｓ４０００系Ａ交合金製の
短円筒状のもの（両摺動材と
も内径２０ｍ、外径２５．６＋＋＋＋ａ）摩擦回転時間
５０時間
２）摩擦摩耗試験方法
第２図に示すように、上記両摺動材中のナイロン６６製
の摺動材１を上側に、ＡｆＬ合金製の摺動材２を下側に
してこれらの両摺動材の接触面３（２Ｃ１ｌ”）に上記
潤滑剤を塗布した。1) Friction and wear test conditions Atmosphere temperature: 120°C Load: 10kgf Rotation speed: 50m5-/sec Sliding material: Short cylindrical material made of nylon 66 and JI
A short cylindrical piece made of S4000 series A alloy (inner diameter 20 m, outer diameter 25.6++++a for both sliding materials) Friction rotation time 50 hours 2) Friction and wear test method As shown in Figure 2, both sliding materials mentioned above The above-mentioned lubricant was applied to the contact surface 3 (2C1l'') of these two sliding materials, with the sliding material 1 made of nylon 66 on the upper side and the sliding material 2 made of AfL alloy on the lower side.
そして、ナイロン６６製の摺動材１に上記荷重Ｗを負荷
してこのナイロン６６製の摺動材１を固定して、Ａｉ合
金製の摺動材２を上記回転速度で回転させて両摺動材を
摩擦接触させながら、５０時間摩擦摩耗試験を行った。Then, the above load W is applied to the sliding material 1 made of nylon 66 to fix the sliding material 1 made of nylon 66, and the sliding material 2 made of Ai alloy is rotated at the above rotational speed so that both sliding materials A friction and wear test was conducted for 50 hours while bringing the moving materials into frictional contact.
３）試験結果
第１図には、表１のアラミド短繊維の添加量を５重量部
とした本実施例の潤滑組成物または表２の比較例１〜５
の各潤滑剤を塗布した接触面３の摩擦係数の変化を示す
、第１図において、各曲線を示す記号Ａ、Ｂ、、Ｃ，Ｄ
、Ｅは、それぞれ比較例１．２．３．４．５の潤滑剤を
塗布したものの摩擦係数を示し、Ｆは本実施例の潤滑組
成物を塗布したものの摩擦係数を示す０図において、横
軸は試験時間を示し、縦軸は摩擦係数を示す。3) Test results Figure 1 shows the lubricating composition of this example in which the amount of aramid staple fibers added in Table 1 was 5 parts by weight or Comparative Examples 1 to 5 in Table 2.
In Fig. 1, which shows the changes in the coefficient of friction of the contact surface 3 coated with each lubricant, the symbols A, B, , C, D indicate each curve.
, E indicate the friction coefficient of the product coated with the lubricant of Comparative Example 1.2.3.4.5, respectively, and F indicates the friction coefficient of the product coated with the lubricant composition of this example. The axis shows the test time, and the vertical axis shows the friction coefficient.
以下の表３には各潤滑剤について、摩擦摩耗試験による
摺動材の摩耗量（ａ＋ｇ）と周囲の汚れ程度を示す。Table 3 below shows the amount of wear (a+g) of the sliding material and the degree of contamination of the surrounding area in the friction wear test for each lubricant.
表３
以下の表４には、
アラミド短繊維の各添加量
に対する摺動材の摩耗量および摩擦摩耗試験終了時点の
接触面３の摩擦係数を示す。Table 3 Table 4 below shows the amount of wear of the sliding material and the coefficient of friction of the contact surface 3 at the end of the friction and wear test for each amount of short aramid fibers added.
表４
第１図、表３および表４に基づく本実施例と比較例との
比較において、
■）第１図に明らかなように、本実施例に係る潤滑組成
物を塗布したものの摩擦係数（Ｆ）は、摩擦摩耗試験開
始より試験終了までほぼ０．１で最も低く且つ安定した
推移を示している。Table 4 In the comparison between the present example and the comparative example based on Fig. 1, Table 3, and Table 4, (1) As is clear from Fig. 1, the friction coefficient ( F) shows the lowest and stable transition at approximately 0.1 from the start of the friction and wear test to the end of the test.
しかし、比較例１〜４ （Ａ、Ｂ、Ｃ，Ｄ）に係る潤滑
剤を塗布したものの摩擦係数は、時間の経過とともに増
減を繰り返しつつ増加する傾向にあり、安定した低い摩
擦係数を維持できない、また、比較例５（Ｅ）の摩擦係
数は試験開始後ｌ０時間で約０．２まで急激に増加し、
以後０．２よりやや高い状態のままである。However, the friction coefficient of the products coated with the lubricants according to Comparative Examples 1 to 4 (A, B, C, and D) tends to increase and increase over time, making it impossible to maintain a stable low friction coefficient. In addition, the friction coefficient of Comparative Example 5 (E) rapidly increased to about 0.2 10 hours after the start of the test,
After that, it remains slightly higher than 0.2.
２） 表３に示されているように、ナイロン６６製の摺
動材の摩耗量の方がＡ１合金製の摺動材の摩耗量よりか
なり多い。2) As shown in Table 3, the amount of wear of the sliding material made of nylon 66 is considerably greater than that of the sliding material made of A1 alloy.
このナイロン６６製の摺動材の摩耗量において、比較例
２の潤滑剤を塗布したものの摩耗量は比較例中で最も低
い値を示しているが、この摩耗量（３，０ｍｇ）でさえ
、本実施例に係る潤滑組成物を塗布したものの摩耗＋ｆ
ｔｔ（２，１ｍｇ）の約１．５倍もある。すなわち、ア
ラミド短繊維は摩耗量の低減に対して極めて優れた効果
を発揮することが分かる。Regarding the wear amount of this nylon 66 sliding material, the one coated with the lubricant of Comparative Example 2 shows the lowest value among the comparative examples, but even this wear amount (3.0 mg) Wear +f of the product coated with the lubricating composition according to this example
It is about 1.5 times as much as tt (2.1 mg). That is, it can be seen that aramid short fibers exhibit an extremely excellent effect in reducing the amount of wear.
また、本実施例に係る潤滑組成物および比較例３〜５の
潤滑剤はオイル系であるため、グリースを主成分とした
比較例ｔおよび２のように周囲を汚さない。Moreover, since the lubricating composition according to this example and the lubricants of Comparative Examples 3 to 5 are oil-based, they do not stain the surroundings unlike Comparative Examples t and 2, which have grease as a main component.
３）摩擦係数低減に対するアラミド短繊維の添加量とし
ては、表４に明らかなように、２〜８重量部が最も効果
的であり、その結果、ナイロン６６製の摺動材の摩耗量
も少なくなる。3) As shown in Table 4, the amount of aramid short fiber added to reduce the coefficient of friction is most effective at 2 to 8 parts by weight, and as a result, the amount of wear on the nylon 66 sliding material is also small. Become.
（発明の効果）
■本発明に係るアラミド短繊維含有潤滑組成物はオイル
系であるから取り扱いやすく、摺動面の摩擦係数を長期
間に渡り安定して低い値に維持することができ、摺動部
の摩耗量も少・なく、周囲の環境を汚すこともない。(Effects of the Invention) ■The aramid short fiber-containing lubricating composition of the present invention is oil-based, so it is easy to handle, and the friction coefficient of the sliding surface can be stably maintained at a low value over a long period of time. There is little or no wear on the moving parts, and there is no contamination of the surrounding environment.
■そして、アラミド短繊維の添加量を２〜８重量部とす
ることにより、さらに効果的にＷｌ擦係数を低減できる
。(2) By adding the aramid short fibers in an amount of 2 to 8 parts by weight, the Wl friction coefficient can be further effectively reduced.
第１図は本発明に係る潤滑組成物または他の潤滑剤を塗
布した摺動面の摩擦係数の時間経過を示す図、第２図は
摩擦摩耗試験方法を説明する図である。
１・・ナイロン６６製の摺動材、２・・Ａ１合金製の摺
動材、
・接触面FIG. 1 is a diagram showing the time course of the friction coefficient of a sliding surface coated with the lubricating composition or other lubricant according to the present invention, and FIG. 2 is a diagram illustrating a friction and wear test method. 1. Sliding material made of nylon 66, 2. Sliding material made of A1 alloy, ・Contact surface
Claims (1)
油にアラミド短繊維を添加した潤滑組成物 ２）パラフィンオイルとナフテンオイルの合計量１００
重量部に対するアラミド短繊維の添加量が２〜８重量部
である請求項１記載の潤滑組成物[Claims] 1) A lubricating composition in which short aramid fibers are added to an oil whose main components are paraffin oil and naphthenic oil. 2) Total amount of paraffin oil and naphthenic oil: 100
The lubricating composition according to claim 1, wherein the amount of the aramid short fibers added is 2 to 8 parts by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18138689A JPH0345698A (en) | 1989-07-12 | 1989-07-12 | Lubricant composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18138689A JPH0345698A (en) | 1989-07-12 | 1989-07-12 | Lubricant composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0345698A true JPH0345698A (en) | 1991-02-27 |
Family
ID=16099829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18138689A Pending JPH0345698A (en) | 1989-07-12 | 1989-07-12 | Lubricant composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0345698A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006161007A (en) * | 2004-12-10 | 2006-06-22 | Kita Nippon Kagaku Kogyo Kk | Lubricating oil and additive thereto |
-
1989
- 1989-07-12 JP JP18138689A patent/JPH0345698A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006161007A (en) * | 2004-12-10 | 2006-06-22 | Kita Nippon Kagaku Kogyo Kk | Lubricating oil and additive thereto |
| JP4635239B2 (en) * | 2004-12-10 | 2011-02-23 | 新海 定夫 | Lubricants for automobile engines and their additives |
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