JP3012944B2 - Conductive composite dry sliding material - Google Patents
Conductive composite dry sliding materialInfo
- Publication number
- JP3012944B2 JP3012944B2 JP26794390A JP26794390A JP3012944B2 JP 3012944 B2 JP3012944 B2 JP 3012944B2 JP 26794390 A JP26794390 A JP 26794390A JP 26794390 A JP26794390 A JP 26794390A JP 3012944 B2 JP3012944 B2 JP 3012944B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- sliding material
- sliding
- composite dry
- dry sliding
- 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
Landscapes
- Lubricants (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、導電性複合乾式摺動材に関する。Description: TECHNICAL FIELD The present invention relates to a conductive composite dry sliding material.
従来技術とその課題 従来の金属系の乾式摺動材は、相手材が金属である場
合、一般に摩擦係数が高く、また耐食性も十分でない。2. Description of the Related Art Conventional problems and problems of the conventional metal dry sliding materials generally have a high coefficient of friction and insufficient corrosion resistance when the mating material is a metal.
一方、樹脂系のものは、耐食性に優れているが、導電
性に乏しく、例えば電着塗装を行うために導電性を必要
とする用途では使用できない。On the other hand, resin-based resins are excellent in corrosion resistance, but poor in conductivity, and cannot be used in applications that require conductivity for performing electrodeposition coating, for example.
また、金属系材と樹脂系材との複合摺動材も開発され
ているが、これらは摺動面が樹脂層からなっており、該
層の厚みが一般に50μｍ以上となると絶縁され、導電性
を失う。一方、上記厚みが50μｍ以下では、弾力性が低
く、高負荷を受ける部分で樹脂層の剥離が生じ、耐摩耗
性が著るしく低下することもある。このような問題に対
して、摺動面に導電性の塗料を塗布する場合もあるが、
電流量が多い場合には、発熱して樹脂層を損傷する等の
問題がある。In addition, composite sliding materials of a metal-based material and a resin-based material have also been developed, but these sliding surfaces are made of a resin layer, and when the thickness of the layer is generally 50 μm or more, the material is insulated and has a conductive property. Lose. On the other hand, if the thickness is 50 μm or less, the elasticity is low, and the resin layer is peeled off in a portion subjected to a high load, and the abrasion resistance may be significantly reduced. To solve such a problem, a conductive paint may be applied to the sliding surface.
When the amount of current is large, there is a problem that heat is generated and the resin layer is damaged.
課題を解決するための手段 本発明者は、このような問題点を解消すべく鋭意研究
を進めた結果、耐摩耗性を有する樹脂に導電性フィラー
を配合した樹脂組成物を金属製基材の表面上に設けてな
る摺動材が、導電性に優れ、しかも摺動特性にも優れて
いることを見出だし、本発明を完成するに至った。Means for Solving the Problems The present inventor has conducted intensive studies to solve such problems, and as a result, a resin composition in which a conductive filler is blended with a resin having abrasion resistance has a metal base material. It has been found that the sliding material provided on the surface has excellent conductivity and also excellent sliding characteristics, and has completed the present invention.
すなわち、本発明は、金属製基材の表面上に、熱硬化
性樹脂に導電性フィラーを配合してなる樹脂組成物を被
覆したことを特徴とする電着塗装用複合乾式摺動材に係
るものである。That is, the present invention relates to a composite dry sliding material for electrodeposition coating, characterized in that the surface of a metal substrate is coated with a resin composition obtained by blending a conductive filler with a thermosetting resin. Things.
本発明で使用される基材としては、従来と変わりなく
通常の金属製のものが挙げられる。より具体的には、例
えば、銅、鉄、アルミニウム等の金属製基材が挙げられ
る。これら基材は、使用部位の負荷条件により適切な強
度のものが選択され、その製造方法に制約されることな
く使用することができる。As the base material used in the present invention, a usual metal base material can be used without changing the conventional one. More specifically, for example, a metal base material such as copper, iron, and aluminum is used. These substrates are selected from those having an appropriate strength according to the load conditions of the use site, and can be used without being limited by the manufacturing method.
本発明において、上記基材の表面上に被覆される樹脂
組成物は、樹脂に導電性フィラーを混合してなる。In the present invention, the resin composition coated on the surface of the base material is obtained by mixing a resin with a conductive filler.
上記樹脂としては、耐摩耗性を有し、基材との密着性
が良く、化学的に安定なものを使用できる。より具体的
には、例えばエポキシ樹脂、ポリエチレン樹脂、ポリア
ミド樹脂、ポリイミド樹脂、変性フッ素樹脂等の熱硬化
性樹脂が挙げられる。As the resin, a resin having abrasion resistance, good adhesion to a substrate, and chemically stable can be used. More specifically, a thermosetting resin such as an epoxy resin, a polyethylene resin, a polyamide resin, a polyimide resin, and a modified fluororesin is used.
導電性フィラーとしては、例えばカーボン繊維、Cu
粉、Ni粉、黒鉛粉、銀粉等が挙げられるが、その形状は
アスペクト比の大きい繊維状のもの或はフレーク状のも
のが良く、その配合比は５〜30重量％程度が好ましい。As the conductive filler, for example, carbon fiber, Cu
Powder, Ni powder, graphite powder, silver powder and the like can be mentioned, and the shape thereof is preferably a fibrous or flake having a large aspect ratio, and the compounding ratio is preferably about 5 to 30% by weight.
上記樹脂組成物は、粉体塗装法や溶媒に分散乃至溶解
された状態で常法に従って、例えばスプレー法、ディッ
ピング法、はけ塗り法等により、基材表面の少なくとも
摺動面上に塗布され、加熱硬化されて被覆層とされる。
被膜の膜厚は、50〜200μｍ程度が好ましい。The resin composition is applied to at least the sliding surface of the substrate surface by a powder coating method or a conventional method in a state of being dispersed or dissolved in a solvent, for example, by a spray method, a dipping method, a brushing method, or the like. Is heated and cured to form a coating layer.
The thickness of the coating is preferably about 50 to 200 μm.
発明の効果 本発明によれば、摺動材において以下のような顕著な
効果が得られる。Effects of the Invention According to the present invention, the following remarkable effects can be obtained in a sliding material.
（１）金属とほぼ同等の導電性が得られる。(1) Almost the same conductivity as metal is obtained.
（２）化学的に安定で、摺動面に多量の電流を流すこと
ができる。(2) It is chemically stable, and a large amount of current can flow through the sliding surface.
（３）耐摩耗性及び耐食性に優れている。(3) It has excellent wear resistance and corrosion resistance.
実 施 例 以下に実施例を示し、本発明の特徴とするところをよ
り一層明確なものとする。EXAMPLES Examples are shown below to further clarify features of the present invention.
実施例 １ 市販の粉末治金用電解銅粉90重量部、アトマイズ錫粉
10重量部及びステアリン酸亜鉛0.5重量部を均一に混合
し、フランジ径16mm、外径10mm、内径8mmの金型を使用
して、密度6.8〜7.0g/cm3、厚さ5mmの成形体を作製し
た。この成形体を、メッシュベルトタイプの連続焼結炉
を用いてプロパン変成ガス中で600〜800℃で焼結し、こ
れを上記と同様の金型を用いて再圧縮し、所定の寸法の
基材を得た。Example 1 90 parts by weight of commercially available electrolytic copper powder for powder metallurgy, atomized tin powder
10 parts by weight and 0.5 part by weight of zinc stearate are uniformly mixed, and a molded body having a density of 6.8 to 7.0 g / cm 3 and a thickness of 5 mm is formed using a mold having a flange diameter of 16 mm, an outer diameter of 10 mm, and an inner diameter of 8 mm. Produced. The molded body is sintered at 600 to 800 ° C. in a propane modified gas using a continuous sintering furnace of a mesh belt type, and re-compressed using a mold similar to the above, and a base having a predetermined size is formed. Wood was obtained.
次に、この基材表面上に、ポリテトラフルオロエチレ
ン30重量％及び粒径30μｍ以下のNi粉20重量％を含むポ
リアミドイミドを、メチルエチルケトンで30％に稀釈し
た分散液をスプレー法により、平均膜厚100μｍになる
ようにコーティングし、加熱硬化させて本発明摺動材を
得た。Next, a dispersion of polyamideimide containing 30% by weight of polytetrafluoroethylene and 20% by weight of Ni powder having a particle size of 30 μm or less diluted with methyl ethyl ketone to 30% was sprayed on the surface of the substrate by spraying. The sliding material of the present invention was obtained by coating to a thickness of 100 μm and curing by heating.
この摺動材の摺動特性は、基材表面上にポリテトラフ
ルオロエチレンのみを被覆したものと同等であった。The sliding properties of this sliding material were equivalent to those obtained by coating only the polytetrafluoroethylene on the substrate surface.
また、摺動材の導電性を測定したところ、5Vの電圧を
かけた時の電気抵抗が１Ω以下であり、この摺動材が導
電性に優れていることが判った。Also, when the conductivity of the sliding material was measured, the electrical resistance when a voltage of 5 V was applied was 1 Ω or less, indicating that this sliding material was excellent in conductivity.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ // Ｃ１０Ｎ 10:16 30:06 30:12 40:02 40:14 50:08 (56)参考文献 特開 昭50−80341（ＪＰ，Ａ) 特開 昭63−391（ＪＰ，Ａ) 特開 昭63−37198（ＪＰ，Ａ) 特開 昭58−201898（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) C10M 111/04,103/04,107/04 C10M 107/38,107/44 C10N 40:02,50:08 ──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. 7 Identification symbol FI // C10N 10:16 30:06 30:12 40:02 40:14 50:08 (56) References JP 50-80341 (JP, a) JP Akira 63-391 (JP, a) JP Akira 63-37198 (JP, a) JP Akira 58-201898 (JP, a) (58 ) investigated the field (Int.Cl. 7 , DB name) C10M 111 / 04,103 / 04,107 / 04 C10M 107 / 38,107 / 44 C10N 40: 02,50: 08
Claims (1)
電性フィラーを配合してなる樹脂組成物を被覆したこと
を特徴とする電着塗装用複合乾式摺動材。1. A composite dry sliding material for electrodeposition coating, characterized in that a surface of a metal substrate is coated with a resin composition comprising a thermosetting resin and a conductive filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26794390A JP3012944B2 (en) | 1990-10-04 | 1990-10-04 | Conductive composite dry sliding material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26794390A JP3012944B2 (en) | 1990-10-04 | 1990-10-04 | Conductive composite dry sliding material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04145197A JPH04145197A (en) | 1992-05-19 |
| JP3012944B2 true JP3012944B2 (en) | 2000-02-28 |
Family
ID=17451760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26794390A Expired - Fee Related JP3012944B2 (en) | 1990-10-04 | 1990-10-04 | Conductive composite dry sliding material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3012944B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6198042B2 (en) * | 2013-06-03 | 2017-09-20 | 株式会社ジェイテクト | Steering device |
-
1990
- 1990-10-04 JP JP26794390A patent/JP3012944B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04145197A (en) | 1992-05-19 |
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| R250 | Receipt of annual fees |
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