JPS60159138A - Sliding contact material - Google Patents
Sliding contact materialInfo
- Publication number
- JPS60159138A JPS60159138A JP59012117A JP1211784A JPS60159138A JP S60159138 A JPS60159138 A JP S60159138A JP 59012117 A JP59012117 A JP 59012117A JP 1211784 A JP1211784 A JP 1211784A JP S60159138 A JPS60159138 A JP S60159138A
- Authority
- JP
- Japan
- Prior art keywords
- sliding contact
- contact material
- micromotor
- matrix
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
- H01H1/023—Composite material having a noble metal as the basic material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Contacts (AREA)
Abstract
Description
【発明の詳細な説明】
本発明はマイクロモータ等の摺動接点材料に関し、特に
ブラシ材のバネ圧が大きい場合に有効な摺動接点材料に
係る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a sliding contact material for micro motors and the like, and particularly to a sliding contact material that is effective when the spring pressure of the brush material is large.
従来より摺動接点材料の１つとして用いられているＡｇ
−Ｐｄの二元系合金は低Ｐｄ含有系では、硬さが低いこ
と、摺動面における硫化による接触抵抗増加の問題によ
り、マイクロモータ等の高速回転用摺動材として用いた
場合、上記のような問題が起因して摺動接点面において
凝着摩耗を起し易くなり、ひいてはノイズの発生や回転
ムラを生じる原因となっている。Ag, which has traditionally been used as one of the sliding contact materials
-Pd binary alloys with low Pd content have low hardness and increased contact resistance due to sulfurization on the sliding surfaces, so when used as sliding materials for high-speed rotation such as micro motors, the above-mentioned These problems tend to cause adhesive wear on the sliding contact surfaces, which in turn causes noise and uneven rotation.
本発明は、これらの欠点を解決することを目的とし、マ
イクロモータのブラシ材のバネ圧が大きい場合でも安定
した高速回転を供すると共に耐摩耗性にも優れた摺動接
点材料としたことを特徴とする。The present invention aims to solve these drawbacks, and features a sliding contact material that provides stable high-speed rotation even when the spring pressure of the brush material of the micromotor is large and has excellent wear resistance. shall be.
以下に本発明を説明する。The present invention will be explained below.
本発明は、Ａｇ中に重量比でｐｄ １０〜５０チとＺｎ
。In the present invention, Ag has a weight ratio of 10 to 50 pd and Zn.
.
Ｉｎ、Ｓｎ、Ｐｂの少なくとも１種を合計で１〜５チを
添加したものであシ、さらには、Ａｇ中に重量比でＰｄ
１Ｏ−５０％とＺｎ、Ｉｎ、Ｓｎ、Ｐｂの少なくとも１
種を１〜５％とさらにＦｅ 、 Ｃｏ 、Ｎｉの少なく
とも１種’ｔｏ、ｏｉ〜０．５チ添加したものである。A total of 1 to 5 pieces of at least one of In, Sn, and Pb is added, and furthermore, Pd is added to Ag in a weight ratio.
1O-50% and at least one of Zn, In, Sn, and Pb
1 to 5% of seeds and at least one of Fe, Co, and Ni are added in an amount of oi to 0.5%.
一般にマイクロモータの摺動接点材として高速回転時に
おける耐摩耗性の改善方法および安定した接触抵抗を得
るためには、摺動接点材の機械的特性すなわち引張強さ
および硬さを増加させ、さらにブラシ材の摺動面におい
て硫化による接触抵抗増加のような問題が生じない材質
にすることであり、上記した構成とすることによってこ
れ等の条件を満すようになった。In general, in order to improve the wear resistance of micromotor sliding contact materials during high-speed rotation and to obtain stable contact resistance, it is necessary to increase the mechanical properties of the sliding contact materials, such as tensile strength and hardness. The purpose is to use a material that does not cause problems such as increased contact resistance due to sulfurization on the sliding surface of the brush material, and the above-described configuration satisfies these conditions.
つまり、本発明はＡｇ中に重量比で１０〜５０チのＰｄ
を添加し、さらにＺｎ 、 Ｉｎ 、Ｓｎ 、Ｐｂのう
ち少なくとも１種を１〜５チ添加させることにより、Ａ
ｇまたはＰｄとの金属間化合物またはそれに類する化合
物をマトリックス中に生ぜしめ、機械的特性の向上を計
ったものである。さらにＦｅ 、 Ｃ。In other words, the present invention has a weight ratio of 10 to 50 inches of Pd in Ag.
By adding 1-5% of at least one of Zn, In, Sn, and Pb,
An intermetallic compound with g or Pd or a similar compound is produced in the matrix to improve mechanical properties. Furthermore, Fe, C.
Ｎｉの添加はマトリックスの粒度微細化を促進せしめる
ものである。The addition of Ni promotes grain size refinement of the matrix.
なお、添加量が過剰になるとその過剰の添加物がマトリ
ックス中に析出したり、また上記のような効果も生じな
い。Note that if the amount added is excessive, the excess additive will precipitate in the matrix, and the above-mentioned effects will not occur.
次に本発明と従来のＡｇ−Ｐｄ二元系合金の摺動接点に
ついて比較する。Next, the sliding contacts of the present invention and the conventional Ag-Pd binary alloy will be compared.
第１表に示す本発明の実施例と従来品の成分組成による
接点利料は、所定の合金組成に配合後、真空溶解炉にて
１０ ’ｍｍＨ，ｇまで吸引させ、アルゴンガスを２０
０ Ｔｏｒｒ導入して高周波溶解を行なってこれを８０
０℃で５ｈｒ焼準ム、圧延加工を断面減少率５０％施し
たもので、図示する如く厚さ０．３箇、直径４０咽の平
らな円板１を作９、この円板１を中心より３０１１ＩＩ
＋１の所でＡｕ−Ａｇ−Ｐｄ−Ｐｔからなる直径０．２
５ｍ、長さ８ｗｏｎの３本から々るブラシ材２を１８０
対向して摺動させ、摺動試験を行ない、以下のような結
果を得た。The contact benefits according to the component compositions of the embodiments of the present invention and the conventional products shown in Table 1 are determined by blending them into a predetermined alloy composition, sucking them in a vacuum melting furnace to 10 mmH, g, and argon gas at 20 mmH.g.
Introducing 0 Torr and performing high frequency melting, this was heated to 80
A flat disk 1 with a thickness of 0.3 and a diameter of 40mm was made as shown in the figure, with the disk 1 being the center. From 3011II
Diameter 0.2 made of Au-Ag-Pd-Pt at +1
180 pieces of 3 pieces of brush material 2, each 5m long and 8won long.
A sliding test was carried out by sliding them facing each other, and the following results were obtained.
なお、試験結果の判定法としてノイズレベルがバイアス
電圧の１割に達するまでの時間をもってした。The test results were determined based on the time it took for the noise level to reach 10% of the bias voltage.
第１表
試験条件 電圧 １２Ｖ 電流８０ ｍＡ摺動接点材の
回転数１５００ｒｐｍ
ブラシ接触圧 １０１／３本
上記第１表から明らか々如（Ｐｄの含有率が同一な系に
おいて従来例に比べて本発明は機械的特性に優れ、その
ために耐ノズル特性に優れる利点を有する。Table 1 Test conditions Voltage: 12V Current: 80 mA Number of rotations of sliding contact material: 1500 rpm Brush contact pressure: 101/3 It is clear from Table 1 above (in a system with the same Pd content, the present invention compared to the conventional example) has excellent mechanical properties and therefore has the advantage of excellent nozzle resistance.
以上詳細に説明した本発明によると、耐ノズル特性すな
わち耐摩耗性に優れるためにマイクロモータ等において
ブラシ材のバネ圧が大きい場合でも安定した回転を供す
ることができる摺動接点材として極めて有効である。According to the present invention described in detail above, it is extremely effective as a sliding contact material that can provide stable rotation even when the spring pressure of the brush material is large in micro motors etc. due to its excellent nozzle resistance, that is, wear resistance. be.
図面は摺動試験を示す斜視図である。 １・・・円板 ２・・・ブラシ材 特許出願人 株式会社徳力本店 代理人 弁理士 金 倉 喬 二 The drawing is a perspective view showing a sliding test. 1... Disk 2... Brush material Patent applicant: Tokuriki Honten Co., Ltd. Agent Patent attorney Takashi Kanekura
Claims (1)
さらにＦｅ 、Ｃｏ 、Ｎｉの少なくとも１種を合計で
Ｏ−１，０％添加した摺動接点材料。[Claims] 1. Pd1O-50% and Zn in a weight ratio of 1 to 1 in Ag. ) A sliding contact material to which a total of 1 to 5 of at least one of n, Sn, and Pb and at least one of Fe, Co, and Ni are added in a total of O-1.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59012117A JPS60159138A (en) | 1984-01-27 | 1984-01-27 | Sliding contact material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59012117A JPS60159138A (en) | 1984-01-27 | 1984-01-27 | Sliding contact material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60159138A true JPS60159138A (en) | 1985-08-20 |
| JPS6260457B2 JPS6260457B2 (en) | 1987-12-16 |
Family
ID=11796606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59012117A Granted JPS60159138A (en) | 1984-01-27 | 1984-01-27 | Sliding contact material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60159138A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017130781A1 (en) * | 2016-01-25 | 2017-08-03 | 田中貴金属工業株式会社 | Sliding contact point material and method for manufacturing same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113166848B (en) | 2018-11-30 | 2024-02-06 | 田中贵金属工业株式会社 | Conductive material excellent in abrasion resistance and heat resistance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6017030A (en) * | 1983-07-11 | 1985-01-28 | Tanaka Kikinzoku Kogyo Kk | Sliding contact point material |
| JPS6017031A (en) * | 1983-07-11 | 1985-01-28 | Tanaka Kikinzoku Kogyo Kk | Sliding contact point material |
| JPS6017032A (en) * | 1983-07-11 | 1985-01-28 | Tanaka Kikinzoku Kogyo Kk | Sliding contact point material |
-
1984
- 1984-01-27 JP JP59012117A patent/JPS60159138A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6017030A (en) * | 1983-07-11 | 1985-01-28 | Tanaka Kikinzoku Kogyo Kk | Sliding contact point material |
| JPS6017031A (en) * | 1983-07-11 | 1985-01-28 | Tanaka Kikinzoku Kogyo Kk | Sliding contact point material |
| JPS6017032A (en) * | 1983-07-11 | 1985-01-28 | Tanaka Kikinzoku Kogyo Kk | Sliding contact point material |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017130781A1 (en) * | 2016-01-25 | 2017-08-03 | 田中貴金属工業株式会社 | Sliding contact point material and method for manufacturing same |
| CN108603249A (en) * | 2016-01-25 | 2018-09-28 | 田中贵金属工业株式会社 | Sliding contact material and its manufacturing method |
| JPWO2017130781A1 (en) * | 2016-01-25 | 2018-11-15 | 田中貴金属工業株式会社 | Sliding contact material and method of manufacturing the same |
| CN108603249B (en) * | 2016-01-25 | 2020-03-27 | 田中贵金属工业株式会社 | Sliding contact material and method for producing same |
| JP2020063515A (en) * | 2016-01-25 | 2020-04-23 | 田中貴金属工業株式会社 | Sliding contact material and manufacturing method thereof |
| CN111411252A (en) * | 2016-01-25 | 2020-07-14 | 田中贵金属工业株式会社 | Sliding contact material and method for producing same |
| US11168382B2 (en) | 2016-01-25 | 2021-11-09 | Tanaka Kikinzoku Kogyo K.K. | Sliding contact material and method for producing same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6260457B2 (en) | 1987-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |