JP2872540B2 - Sintered oil-impregnated bearing oil composition - Google Patents
Sintered oil-impregnated bearing oil compositionInfo
- Publication number
- JP2872540B2 JP2872540B2 JP20520293A JP20520293A JP2872540B2 JP 2872540 B2 JP2872540 B2 JP 2872540B2 JP 20520293 A JP20520293 A JP 20520293A JP 20520293 A JP20520293 A JP 20520293A JP 2872540 B2 JP2872540 B2 JP 2872540B2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- sintered
- impregnated bearing
- olefin
- weight
- 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.)
- Expired - Fee Related
Links
- 239000000203 mixture Substances 0.000 title claims description 19
- 239000002199 base oil Substances 0.000 claims description 18
- 239000003921 oil Substances 0.000 claims description 15
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 14
- 229920013639 polyalphaolefin Polymers 0.000 claims description 14
- 150000004678 hydrides Chemical class 0.000 claims description 13
- 239000004711 α-olefin Substances 0.000 claims description 13
- 239000000654 additive Substances 0.000 claims description 8
- 229920001083 polybutene Polymers 0.000 claims description 8
- 239000005069 Extreme pressure additive Substances 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- QCJQWJKKTGJDCM-UHFFFAOYSA-N [P].[S] Chemical compound [P].[S] QCJQWJKKTGJDCM-UHFFFAOYSA-N 0.000 claims description 7
- 229920000193 polymethacrylate Polymers 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- NPPQSCRMBWNHMW-UHFFFAOYSA-N Meprobamate Chemical compound NC(=O)OCC(C)(CCC)COC(N)=O NPPQSCRMBWNHMW-UHFFFAOYSA-N 0.000 claims 1
- 239000010687 lubricating oil Substances 0.000 description 14
- 238000005461 lubrication Methods 0.000 description 5
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 4
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- -1 defoamers Substances 0.000 description 4
- 239000002480 mineral oil Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- 239000002841 Lewis acid Substances 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical compound CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 150000007517 lewis acids Chemical class 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- XNMQEEKYCVKGBD-UHFFFAOYSA-N dimethylacetylene Natural products CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Landscapes
- Lubricants (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、焼結含油軸受の摩擦や
摩耗を抑制するための焼結含油軸受油組成物に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sintered oil-impregnated bearing oil composition for suppressing friction and wear of a sintered oil-impregnated bearing.
【０００２】[0002]
【従来の技術】高速、軽荷重用として焼結含油軸受は、
給油を必要としないという特性から、小型モ−タの普及
と共に自動車、音響機器、事務機器、家電製品、農業機
械等あらゆる分野に広く使われている。しかしながら、
各種機器の高性能化に伴い焼結含油軸受に求められる性
能も高度化、多様化され、高度な潤滑技術が要求される
ようになってきた。この軸受の改良には焼結金属の材質
の改良と、これに含浸させる潤滑油の改良とがあるが、
最近は潤滑油の特性を重視する傾向が強くなってきてい
る。その背景は潤滑機構にあり、焼結含油軸受は油潤滑
とはいえ、流体潤滑ではなく、境界潤滑に近い状態で使
用されているため、含浸される潤滑油の特性に軸受性能
が大きく依存することにある。2. Description of the Related Art Sintered oil-impregnated bearings for high speed and light loads
Due to the characteristic that no refueling is required, with the spread of small motors, they are widely used in all fields such as automobiles, audio equipment, office equipment, home appliances, agricultural machinery and the like. However,
The performance required of sintered oil-impregnated bearings has been advanced and diversified with the advancement of various equipment, and advanced lubrication technology has been required. The improvement of this bearing includes improvement of the material of the sintered metal and improvement of the lubricating oil impregnated in it.
Recently, there has been an increasing tendency to attach importance to the characteristics of lubricating oils. The background lies in the lubrication mechanism, and although sintered oil-impregnated bearings are used in conditions close to boundary lubrication rather than fluid lubrication, although oil lubrication is used, bearing performance greatly depends on the characteristics of impregnated lubricating oil. It is in.
【０００３】この焼結含油軸受に含浸される潤滑油に
は、パラフィン系、ナフテン系の各種鉱油、エステル
系、ポリオレフィン系等の各種合成油を基油とする潤滑
油が特性に応じて使用されているが、焼結含油軸受用の
専用潤滑油はなく、市販の油圧作動油やエンジン油等か
ら選択しているのが現状である（月刊トライボロジ、１
９９２年２月号Ｐ６０）。また、一般の潤滑油は潤滑油
基油に酸化防止剤、防錆剤、耐摩耗剤、消泡剤、金属不
活性剤が添加されている他、場合によっては清浄分散
剤、粘度指数向上剤、流動点降下剤等の添加剤が添加さ
れている。As the lubricating oil impregnated in the sintered oil-impregnated bearing, various lubricating oils based on various kinds of synthetic oils such as paraffinic and naphthenic mineral oils, ester oils and polyolefin oils are used according to their characteristics. However, there is no special lubricating oil for sintered oil-impregnated bearings, and at present the company selects from commercially available hydraulic oils and engine oils ( Monthly Tribology , 1
February 992, p. 60). In addition, general lubricating oils contain antioxidants, rust inhibitors, antiwear agents, defoamers, and metal deactivators added to lubricating base oils, and in some cases, detergents and dispersants, viscosity index improvers. And additives such as pour point depressants.
【０００４】焼結含油軸受に使用される潤滑油に要求さ
れる特性の一般傾向は、低電流値（消費電力が少な
い）、馴染みが早く、変化しない、低温から高温
（−４０〜１２０℃）で使用可能、高速（３０，００
０ｒｐｍ程度）に耐えられる、低速（５０〜１８０ｒ
ｐｍ程度）に耐えられる等である。そして、鉱油を基油
とした潤滑油の場合、パラフィン分が低温下でワックス
として析出して電流値を高める、高温下で不純物やこれ
と添加剤とが反応してスラッジとして析出して軸の摩耗
を促進して電流値を高める等の問題がある。[0004] The general tendency of the properties required for lubricating oils used in sintered oil-impregnated bearings is low current value (low power consumption), familiarity is fast and does not change, low to high temperature (-40 to 120 ° C) High speed (30,00
Low speed (50-180 rpm) that can withstand 0 rpm
pm). In the case of a lubricating oil using mineral oil as a base oil, the paraffin component precipitates as wax at low temperatures to increase the current value, and at high temperatures, impurities and this react with additives to precipitate as sludge and form a shaft. There are problems such as increasing the current value by promoting wear.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、使用中のス
ラッジの発生が少なく、使用温度範囲が広く、潤滑性が
優れ、長寿命の焼結含油軸受油を提供することを目的と
する。SUMMARY OF THE INVENTION An object of the present invention is to provide a sintered oil-impregnated bearing oil which generates little sludge during use, has a wide operating temperature range, has excellent lubricity, and has a long service life.
【０００６】[0006]
【課題を解決するための手段】本発明は、ポリα−オレ
フィン水素化物又はエチレン−α−オレフィン共重合体
水素化物を含む基油に、ジアルキルジチオ燐酸亜鉛、Ｍ
ｏ−ジアルキルジチオカ−バメ−ト、Ｍｏ−ジアルキル
ジチオフォスフェ−ト及び硫黄−燐系極圧添加剤からな
る群から選択された１種又は２種以上の添加剤を、基油
１００重量部に対して０．０１〜５重量部添加したこと
を特徴とする焼結含油軸受油組成物である。SUMMARY OF THE INVENTION The present invention relates to a base oil containing a hydrogenated poly-α-olefin or a hydrogenated ethylene-α-olefin copolymer, comprising zinc dialkyldithiophosphate, M
One or two or more additives selected from the group consisting of o-dialkyldithiocarbamate, Mo-dialkyldithiophosphate and sulfur-phosphorus extreme pressure additives are mixed with 100 parts by weight of base oil. It is a sintered oil-impregnated bearing oil composition characterized by adding 0.01 to 5 parts by weight to the above.
【０００７】本発明において使用する基油は、ポリα−
オレフィン水素化物又はエチレン−α−オレフィン共重
合体水素化物を含むものであり、好ましくはポリα−オ
レフィン水素化物とエチレン−α−オレフィン共重合体
水素化物の合計で基油の５０重量％以上を含むものであ
る。ポリα−オレフィン水素化物は、例えば１−デセ
ン、イソブテン等をルイス酸等の触媒で重合させて得ら
れた重合物を水素化することにより得られる。また、エ
チレン−α−オレフィン共重合体水素化物は、例えばエ
チレンと１−デセン、イソブテン等をルイス酸等の触媒
で重合させて得られた重合物を水素化することにより得
られる。これらは、数平均分子量が２００〜１，６００
程度のものが好ましい。なお、水素化は完全に行われな
くともよいが、水素化の程度が低いと劣化しやすい。ポ
リα−オレフィン水素化物及びエチレン−α−オレフィ
ン共重合体水素化物は、少量の配合量でも十分な耐摩耗
性が得られ、スラッジの生成もなく、耐久性が良好であ
り、更に低電流値で、初期馴染み時間も短いという効果
を示す。The base oil used in the present invention is poly-α-
It contains an olefin hydride or an ethylene-α-olefin copolymer hydride, and preferably contains 50% by weight or more of the base oil in total of the polyα-olefin hydride and the ethylene-α-olefin copolymer hydride. Including. The poly-α-olefin hydride is obtained, for example, by hydrogenating a polymer obtained by polymerizing 1-decene, isobutene, or the like with a catalyst such as a Lewis acid. The hydrogenated ethylene-α-olefin copolymer is obtained, for example, by hydrogenating a polymer obtained by polymerizing ethylene and 1-decene, isobutene, or the like with a catalyst such as a Lewis acid. These have a number average molecular weight of 200 to 1,600.
Are preferred. Note that the hydrogenation does not need to be performed completely, but if the degree of hydrogenation is low, it is liable to deteriorate. The poly-α-olefin hydride and the ethylene-α-olefin copolymer hydride have sufficient abrasion resistance even with a small blending amount, do not generate sludge, have good durability, and have a low current value. This has the effect of shortening the initial familiarization time.
【０００８】本発明で使用する基油は前記のとおり、ポ
リα−オレフィン水素化物又はエチレン−α−オレフィ
ン共重合体水素化物を含むものであるが、好ましくはポ
リα−オレフィン水素化物、エチレン−α−オレフィン
共重合体水素化物又は両者の混合物であり、より好まし
くは両者の混合物である。混合物の場合の両者の割合
は、ポリα−オレフィン水素化物１００重量部に対して
エチレン−α−オレフィン共重合体水素化物１０〜３５
０重量部、好ましくは５０〜２００重量部の範囲がよ
い。As described above, the base oil used in the present invention contains a poly-α-olefin hydride or an ethylene-α-olefin copolymer hydride, but is preferably a poly-α-olefin hydride or ethylene-α-hydride. It is a hydrogenated olefin copolymer or a mixture of both, more preferably a mixture of both. In the case of the mixture, the ratio of both is 10 to 35 parts of hydrogenated ethylene-α-olefin copolymer per 100 parts by weight of hydrogenated poly-α-olefin.
0 parts by weight, preferably 50 to 200 parts by weight.
【０００９】また、他の好ましい基油は、ポリα−オレ
フィン水素化物、エチレン−α−オレフィン共重合体水
素化物又は両者の混合物に、ポリメタクリレ−ト又はポ
リブテンを配合したものである。ポリメタクリレ−トと
しては、数平均分子量５，０００〜１００，０００のポ
リメタクリレ−トが好ましく、ポリブテンとしては数平
均分子量３００〜５０，０００のポリブテンが好ましく
い。なお、ポリブテンとしては、ポリ１−ブテン、ポリ
２−ブテン、ポリイソブテン又はこれらの混合物があ
る。ポリメタクリレ−ト又はポリブテンの配合量は、ポ
リα−オレフィン水素化物、エチレン−α−オレフィン
共重合体水素化物又は両者の混合物１００重量部に対
し、５〜２００重量部、好ましくは１０〜１００重量部
の範囲がよい。ポリメタクリレ−ト、ポリブテンは増粘
材としての作用も有する。Another preferred base oil is one obtained by blending polymethacrylate or polybutene with hydrogenated poly-α-olefin, hydrogenated ethylene-α-olefin copolymer or a mixture of both. As polymethacrylate, polymethacrylate having a number average molecular weight of 5,000 to 100,000 is preferable, and as polybutene, polybutene having a number average molecular weight of 300 to 50,000 is preferable. In addition, as polybutene, there are poly 1-butene, poly 2-butene, polyisobutene or a mixture thereof. The blending amount of polymethacrylate or polybutene is from 5 to 200 parts by weight, preferably from 10 to 100 parts by weight, based on 100 parts by weight of poly-α-olefin hydride, ethylene-α-olefin copolymer hydride or a mixture of both. Range is good. Polymethacrylate and polybutene also have a function as a thickener.
【００１０】上記のような基油に、ジアルキルジチオ燐
酸亜鉛、Ｍｏ−ジアルキルジチオカ−バメ−ト、Ｍｏ−
ジアルキルジチオフォスフェ−ト及び硫黄−燐系極圧添
加剤からなる群から選択された１種又は２種以上の添加
剤を、基油１００重量部に対し０．０１〜５重量部添加
して焼結含油軸受油組成物とする。ジアルキルジチオ燐
酸亜鉛、Ｍｏ−ジアルキルジチオカ−バメ−ト、Ｍｏ−
ジアルキルジチオフォスフェ−トは、市販されているも
のを使用することができ、その使用量は基油１００重量
部に対し０．０１〜５重量部、好ましくは０．０１〜１
重量部である。また、硫黄−燐系極圧添加剤とは、硫化
油脂、硫化テルペン、硫化オレフィン、サルファイド等
硫黄系添加剤と、フォスファイト、フォスフェ−ト、ア
ミンフォスフェ−ト等の燐系極圧剤とを混合したもので
あって、市販品として例えば、日本ル−ブリゾ−ル社製
のル−ブリゾ−ル５０３４Ａ等がある。なお、本発明に
おいては、前記ジアルキルジチオ燐酸亜鉛、Ｍｏ−ジア
ルキルジチオカ−バメ−ト、Ｍｏ−ジアルキルジチオフ
ォスフェ−トは、例え燐、硫黄を含んでいても硫黄−燐
系極圧添加剤とはしない。この硫黄−燐系極圧添加剤の
使用量は基油１００重量部に対し０．０１〜５重量部、
好ましくは０．１〜２重量部である。これらの添加剤
は、１種類でも十分な耐摩耗性効果を示すが、ジアルキ
ルジチオ燐酸亜鉛、Ｍｏ−ジアルキルジチオカ−バメ−
ト及びＭｏ−ジアルキルジチオフォスフェ−トは、これ
らの２種以上を併用すると、より優れた耐摩耗性を示
す。The above base oils include zinc dialkyldithiophosphate, Mo-dialkyldithiocarbamate, Mo-
One or more additives selected from the group consisting of dialkyldithiophosphates and sulfur-phosphorus extreme pressure additives are added in an amount of 0.01 to 5 parts by weight based on 100 parts by weight of the base oil. It is a sintered oil-impregnated bearing oil composition. Zinc dialkyldithiophosphate, Mo-dialkyldithiocarbamate, Mo-
As the dialkyldithiophosphate, commercially available dialkyldithiophosphate can be used, and the amount of the dialkyldithiophosphate is 0.01 to 5 parts by weight, preferably 0.01 to 1 part by weight, per 100 parts by weight of the base oil.
Parts by weight. Sulfur-phosphorus extreme pressure additives include sulfur additives such as sulfurized fats and oils, sulfurized terpenes, sulfurized olefins, and sulfides, and phosphorus extreme pressure agents such as phosphite, phosphate, and amine phosphate. Are commercially available, for example, Lubrizol 5034A manufactured by Nippon Lubrizol Corporation. In the present invention, the zinc dialkyldithiophosphate, Mo-dialkyldithiocarbamate and Mo-dialkyldithiophosphate are sulfur-phosphorus extreme pressure additives even if they contain phosphorus and sulfur. And not. The amount of the sulfur-phosphorus extreme pressure additive used is 0.01 to 5 parts by weight based on 100 parts by weight of the base oil.
Preferably it is 0.1 to 2 parts by weight. These additives show a sufficient anti-wear effect even when they are used alone, but zinc dialkyldithiophosphate and Mo-dialkyldithiocarbamate are used.
When used in combination of two or more of these, Mo-dialkyldithiophosphate shows more excellent abrasion resistance.
【００１１】本発明の焼結含油軸受油組成物には、その
他に通常配合される消泡剤、防錆剤、酸化防止剤等の添
加剤を添加することができる。本発明の焼結含油軸受油
組成物は各種焼結金属材に含浸して使用する。このよう
な焼結含油軸受は各種の軸受に使用することができる
が、例えばビデオテ−プレコ−ダ等の軸受等に好適であ
る。The sintered oil-impregnated bearing oil composition of the present invention may further contain other additives, such as antifoaming agents, rust inhibitors and antioxidants, which are usually added. The sintered oil-impregnated bearing oil composition of the present invention is used by impregnating various sintered metal materials. Such a sintered oil-impregnated bearing can be used for various kinds of bearings, but is suitable for bearings such as video tape recorders.
【００１２】[0012]
【実施例】本発明の実施例を以下に示す。なお、配合割
合は重量部を示す。 実施例１〜８、比較例１〜２ 表１に示す基油を用いて、表２に示す実施例１〜８及び
比較例１〜２の焼結含油軸受油組成物（潤滑油）を得
た。この潤滑油について、ビデオテ−プレコ−ダ回転速
度調整モ−タに軸を付け、この軸に潤滑油を含浸させた
焼結含油軸受を装着して、側圧を２．８ｋｇかける構造
からなる試験機を用いて、モ−タに流れる電流値を測定
することにより潤滑油の性能を評価した。試験として
は、常温での初期馴染み特性を見るエ−ジング試験、−
１０℃での電流特性を見る低温試験、及び、６０℃での
寿命特性を見る高温試験を行った。試験条件は、モ−タ
の回転数についてはエ−ジング試験及び高温試験につい
て６０ｒｐｍとし、低温試験について９００ｒｐｍとし
た。また、試験時間についてはエ−ジング試験について
１時間とし、低温試験及び高温試験について１００時間
とした。エ−ジング試験は、電流値が５０ｍＡ以下に到
達する時間を測定することによって、また、低温試験及
び高温試験は、１００時間後の電流値を測定することに
よって行った。結果を表２に示す。Embodiments of the present invention will be described below. In addition, a compounding ratio shows a weight part. Examples 1 to 8 and Comparative Examples 1 and 2 Using the base oils shown in Table 1, sintered oil-impregnated bearing oil compositions (lubricating oils) of Examples 1 to 8 and Comparative Examples 1 and 2 shown in Table 2 were obtained. Was. For this lubricating oil, a tester having a structure in which a shaft is attached to a video tape recorder rotational speed adjusting motor, a sintered oil-impregnated bearing impregnated with the lubricating oil is mounted on the shaft, and a lateral pressure of 2.8 kg is applied. The lubricating oil performance was evaluated by measuring the value of the current flowing through the motor using As the test, the aging test to see the initial familiarity at room temperature,
A low-temperature test for observing current characteristics at 10 ° C. and a high-temperature test for observing life characteristics at 60 ° C. were performed. The test conditions were such that the motor rotation speed was 60 rpm for the aging test and the high temperature test, and 900 rpm for the low temperature test. The test time was 1 hour for the aging test and 100 hours for the low temperature test and the high temperature test. The aging test was performed by measuring the time required for the current value to reach 50 mA or less, and the low-temperature test and the high-temperature test were performed by measuring the current value after 100 hours. Table 2 shows the results.
【００１３】[0013]
【表１】 [Table 1]
【００１４】（注）ＰＡＯ：ポリα−オレフィン（シェ
ブロン社製：シンフル−ド２０１、６０１） ＰＥＡＯ：ポリエチレン−α−オレフィン共重合体（三
井石油化学工業社製：ル−カント１００） ＰＭＡ：ポリメタクリレ−ト（三洋化成社製：アクル−
ブ７０２、７０７） ＰＢ：ポリブテン（日本石油化学社製：テトラット） 基油５：市販鉱油系作動油(Note) PAO: Poly α-olefin (Shinflud 201, 601 manufactured by Chevron) PEAO: Polyethylene-α-olefin copolymer (Lucant 100 manufactured by Mitsui Petrochemical Co., Ltd.) PMA: Polymethacrylate -To (Sanyo Chemical Industries: Akuru-
PB: Polybutene (Nippon Petrochemical Co., Ltd .: Tetrat) Base oil 5: Commercially available mineral oil
【００１５】[0015]
【表２】 [Table 2]
【００１６】（注）ＺｎＤＴＰ：ジアルキルジチオ燐酸
亜鉛（日本ル−ブゾ−ル社製：ル−ブリゾ−ル１０９
５） ＭｏＤＴＣ：Ｍｏ−ジアルキルジチオカ−バメ−ト（旭
電化工業社製：サクラル−ブ１５５、７００） ＭｏＤＴＰ：Ｍｏ−ジアルキルジチオフォスフェ−ト
（旭電化工業社製：サクラル−ブ３００） ＳＰ：硫黄−燐系極圧添加剤（日本ル−ブゾ−ル社製：
ル−ブリゾ−ル５０３４Ａ）(Note) ZnDTP: zinc dialkyldithiophosphate (manufactured by Nippon Lubesol Co., Ltd .: Lubrizol 109)
5) MoDTC: Mo-dialkyldithiocarbamate (Asahi Denka Kogyo Co., Ltd .: Sacral-B 155, 700) MoDTP: Mo-dialkyl dithiophosphate (Asahi Denka Kogyo Co., Ltd .: Sacral-Bu 300) SP : Sulfur-phosphorus extreme pressure additive (manufactured by Nippon Rubusol Co., Ltd .:
Lubrizol 5034A)
【００１７】[0017]
【発明の効果】本発明の焼結含油軸受油組成物は、初期
馴染み特性、高温寿命、低温特性が優れ、耐摩耗性、低
電流値等の点で優れた潤滑油となる。The sintered oil-impregnated bearing oil composition of the present invention is a lubricating oil having excellent initial familiarity, high-temperature life, low-temperature characteristics, and excellent wear resistance and low current value.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｃ１０Ｍ 105:04 135:20 137:00） Ｃ１０Ｎ 10:04 10:12 30:06 30:08 40:02 (72)発明者 小野山 益弘 愛知県名古屋市千種区向陽１−11−14、 池下ホームズ310 (72)発明者 一丸 哲夫 愛知県東海市加木屋町北鹿町16−43 (56)参考文献 特開 昭56−116744（ＪＰ，Ａ) 特開 昭60−248796（ＪＰ，Ａ) 特開 昭63−210197（ＪＰ，Ａ) 特開 平３−244693（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) C10M 169/04 C10M 107/02 C10M 135/18 - 135/20 C10M 139/00 C10M 105/04 C10M 137/00 C10N 10:04 C10N 10:12 C10N 30:06 C10N 30:08 C10N 40:02 ＷＰＩ／Ｌ（ＱＵＥＳＴＥＬ)──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code FI C10M 105: 04 135: 20 137: 00) C10N 10:04 10:12 30:06 30:08 40:02 (72) Inventor Masuhiro Onoyama 1-111-14 Koyo, Chikusa-ku, Nagoya-shi, Aichi 310, Ikeshita Holmes 310 (72) Inventor Tetsuo Ichimaru 16-43, Kitaka-cho, Kagiya-cho, Tokai-shi, Aichi (56) References JP-A-56-116744 (JP, A) JP-A-60-248796 (JP, A) JP-A-63-210197 (JP, A) JP-A-3-244693 (JP, A) (58) Fields investigated (Int. Cl. 6 , DB name) C10M 169/04 C10M 107/02 C10M 135/18-135/20 C10M 139/00 C10M 105/04 C10M 137/00 C10N 10:04 C10N 10:12 C10N 30:06 C10N 30:08 C10N 40:02 WPI / L (QUESTEL)
Claims (3)
ン−α−オレフィン共重合体水素化物を含む基油に、ジ
アルキルジチオ燐酸亜鉛、Ｍｏ−ジアルキルジチオカ−
バメ−ト、Ｍｏ−ジアルキルジチオフォスフェ−ト及び
硫黄−燐系極圧添加剤からなる群から選択された１種又
は２種以上の添加剤を、基油１００重量部に対して０．
０１〜５重量部添加したことを特徴とする焼結含油軸受
油組成物。1. A base oil containing a hydrogenated poly-α-olefin or a hydrogenated ethylene-α-olefin copolymer, wherein zinc dialkyldithiophosphate, Mo-dialkyldithioca-
One or two or more additives selected from the group consisting of bamate, Mo-dialkyldithiophosphate and sulfur-phosphorus extreme pressure additives are added in an amount of 0.1 to 100 parts by weight of the base oil.
A sintered oil-impregnated bearing oil composition, characterized by being added in an amount of from 0.01 to 5 parts by weight.
エチレン−α−オレフィン共重合体水素化物若しくは両
者の混合物である請求項１記載の焼結含油軸受油組成
物。2. The base oil is a poly-α-olefin hydride,
The sintered oil-impregnated bearing oil composition according to claim 1, which is a hydrogenated ethylene-α-olefin copolymer or a mixture of both.
エチレン−α−オレフィン共重合体水素化物若しくは両
者の混合物に、ポリメタクリレ−ト若しくはポリブテン
類を配合したものである請求項１記載の焼結含油軸受油
組成物。3. The base oil is a poly-α-olefin hydride,
2. The sintered oil-impregnated bearing oil composition according to claim 1, wherein a polymethacrylate or a polybutene is blended with the hydrogenated ethylene-α-olefin copolymer or a mixture thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20520293A JP2872540B2 (en) | 1993-08-19 | 1993-08-19 | Sintered oil-impregnated bearing oil composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20520293A JP2872540B2 (en) | 1993-08-19 | 1993-08-19 | Sintered oil-impregnated bearing oil composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0753984A JPH0753984A (en) | 1995-02-28 |
| JP2872540B2 true JP2872540B2 (en) | 1999-03-17 |
Family
ID=16503097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20520293A Expired - Fee Related JP2872540B2 (en) | 1993-08-19 | 1993-08-19 | Sintered oil-impregnated bearing oil composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2872540B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3433402B2 (en) * | 1995-08-03 | 2003-08-04 | 出光興産株式会社 | Oil composition for impregnated bearings |
| JP3925952B2 (en) * | 1995-10-31 | 2007-06-06 | 出光興産株式会社 | Oil-impregnated bearing oil composition |
| JP4781543B2 (en) * | 2001-02-22 | 2011-09-28 | 新日鐵化学株式会社 | Lubricating oil and lubricating grease for torque limiters |
| WO2004018595A1 (en) | 2002-08-22 | 2004-03-04 | New Japan Chemical Co., Ltd. | Lubricating oil for bearing |
| JP4480748B2 (en) * | 2007-09-13 | 2010-06-16 | 株式会社椿本チエイン | Lubricating oil and oil-free chain |
| JP2009115107A (en) * | 2007-11-01 | 2009-05-28 | Tsubakimoto Chain Co | Oil-impregnated bush, oilless chain, and method of manufacturing for oil-impregnated bush |
| CN102433198B (en) * | 2011-10-21 | 2013-12-11 | 鞍山海华油脂化学有限公司 | Novel full synthetic industrial gear oil composition and preparation method thereof |
-
1993
- 1993-08-19 JP JP20520293A patent/JP2872540B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753984A (en) | 1995-02-28 |
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