JPH0721292B2 - Brake shoe - Google Patents
Brake shoeInfo
- Publication number
- JPH0721292B2 JPH0721292B2 JP63201174A JP20117488A JPH0721292B2 JP H0721292 B2 JPH0721292 B2 JP H0721292B2 JP 63201174 A JP63201174 A JP 63201174A JP 20117488 A JP20117488 A JP 20117488A JP H0721292 B2 JPH0721292 B2 JP H0721292B2
- Authority
- JP
- Japan
- Prior art keywords
- brake shoe
- surface treatment
- lining
- brake
- mixed
- 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 - Lifetime
Links
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、防錆処理を施したドラムブレーキのブレーキ
シューに関する。TECHNICAL FIELD The present invention relates to a brake shoe of a drum brake that has been subjected to anticorrosion treatment.
一般に、ブレーキシューはレジン液中に浸してこれを高
温で焼成して表面に防錆処理を施し、該ブレーキシュー
のリム部にブレーキライニングを接着している。Generally, a brake shoe is dipped in a resin liquid and baked at a high temperature to give a rustproof treatment to the surface, and a brake lining is bonded to a rim portion of the brake shoe.
ところが、上記の表面処理では、ブレーキシューに塩水
や酸性液が付着すると、比較的短時間で錆が発生し、こ
の錆の進行によってブレーキシューが腐蝕して接着され
ているライニングが剥離することがある。However, in the above surface treatment, when salt water or an acid solution adheres to the brake shoe, rust occurs in a relatively short time, and the progress of this rust causes the brake shoe to corrode and the adhered lining to be peeled off. is there.
そこで、本発明は防錆性能の高い表面処理を施したブレ
ーキキューを提供することを目的としている。Therefore, an object of the present invention is to provide a brake cue that has been subjected to a surface treatment with high rust prevention performance.
上記目的達成のため本発明のは、ブレーキシューの表面
に、レジン液に重量比５〜20％の金属亜鉛粉を混入した
混合液を塗付し、これを高温で焼成して表面処理層を形
成したことを特徴としている。In order to achieve the above object, according to the present invention, the surface of the brake shoe is coated with a mixed liquid containing 5 to 20% by weight of metallic zinc powder in a resin liquid, which is baked at a high temperature to form a surface treatment layer. It is characterized by being formed.
以下、本発明の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below with reference to the drawings.
ブレーキシュー１は鉄製で、湾曲形成されたリム部1aの
内周側にウェブ1bを断面Ｔ字状に取付けて一体形成され
ており、該ブレーキシュー１の表面には、表面処理層２
が形成されている。The brake shoe 1 is made of iron and is integrally formed on the inner peripheral side of a curved rim portion 1a with a web 1b attached in a T-shaped cross section. The surface of the brake shoe 1 is a surface treatment layer 2
Are formed.
この表面処理層２は、レジン液に重量比５〜20％の微細
な金属亜鉛粉を混入した混合液をブレーキシュー１の表
面に塗付し、これを高温で焼成して形成されている。The surface treatment layer 2 is formed by applying a mixed solution of a resin solution mixed with fine metal zinc powder in a weight ratio of 5 to 20% to the surface of the brake shoe 1 and firing the mixture at a high temperature.
そして、リム部1aの上面には、ライニング３が接着剤４
により接着されている。Then, the lining 3 is provided with the adhesive 4 on the upper surface of the rim portion 1a.
Are glued by.
このように表面処理層２を形成したブレーキシュー１と
従来の表面処理を施されたブレーキシューとの５％塩水
に対する防錆性能を比較すると、従来のブレーキシュー
では３日間で完全に錆が発生するのに対し、ブレーキシ
ュー１では、金属亜鉛粉５％混合液を塗付した場合では
10日以上錆が発生せず、20％混合液を塗付した場合では
40日以上錆が発生しなかった。Comparing the rustproof performance against 5% salt water between the brake shoe 1 having the surface-treated layer 2 and the conventional surface-treated brake shoe, the conventional brake shoe completely rusts in 3 days. On the other hand, in the case of the brake shoe 1, when the 5% mixed solution of metallic zinc powder is applied,
If rust does not occur for 10 days or more and the 20% mixture is applied,
No rust occurred for 40 days or more.
尚、20％以上の混合液ではライニング３との接着性に問
題が生じた。Incidentally, a mixed solution of 20% or more caused a problem in adhesiveness with the lining 3.
したがって、従来よりも防錆性能が飛躍的に向上し、ラ
イニング３の剥離がなくなり、コスト的にも従来とほと
んど差がないので、例えば、融雪剤を散布する寒冷地や
沿海地区等での使用により優れた効果を発揮する。Therefore, the rust prevention performance is dramatically improved compared to the conventional one, the peeling of the lining 3 is eliminated, and there is almost no difference in cost from the conventional one. For example, use in a cold region or coastal area where a snow melting agent is dispersed. Exerts a superior effect.
本発明は以上のように、ブレーキシューの表面に、レジ
ン液に重量比５〜20％の金属亜鉛粉を混入した混合液を
塗付し、これを高温で焼成して表面処理層を形成したの
で、従来よりも格段に優れた防錆性能を有するブレーキ
シューとすることができる。As described above, according to the present invention, the surface of the brake shoe is coated with a mixed solution of the resin solution mixed with 5 to 20% by weight of metallic zinc powder and baked at a high temperature to form a surface treatment layer. Therefore, it is possible to obtain a brake shoe having rust prevention performance that is far superior to the conventional one.
図は本発明の実施例を示すもので、第１図はブレーキシ
ューの正面図、第２図は第１図のII−II断面図である。 １……ブレーキシュー、1a……リム部、1b……ウェブ、
２……表面処理層、３……ライニング、４……接着剤FIG. 1 shows an embodiment of the present invention. FIG. 1 is a front view of a brake shoe, and FIG. 2 is a sectional view taken along line II-II of FIG. 1 …… Brake shoe, 1a …… Rim part, 1b …… Web,
2 ... Surface treatment layer, 3 ... Lining, 4 ... Adhesive
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｌ 31:16 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI technical display location B29L 31:16
Claims (1)
比５〜20％の金属亜鉛粉を混入した混合液を塗付し、こ
れを高温で焼成して表面処理層を形成したことを特徴と
するブレーキシュー。1. A surface treatment layer is formed by applying a mixed liquid containing 5 to 20% by weight of metallic zinc powder mixed in a resin liquid to the surface of a brake shoe and firing the mixture at a high temperature. Brake shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63201174A JPH0721292B2 (en) | 1988-08-12 | 1988-08-12 | Brake shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63201174A JPH0721292B2 (en) | 1988-08-12 | 1988-08-12 | Brake shoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0251628A JPH0251628A (en) | 1990-02-21 |
| JPH0721292B2 true JPH0721292B2 (en) | 1995-03-08 |
Family
ID=16436587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63201174A Expired - Lifetime JPH0721292B2 (en) | 1988-08-12 | 1988-08-12 | Brake shoe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0721292B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140317905A1 (en) * | 2011-03-10 | 2014-10-30 | Hendrickson Usa, L.L.C. | Heavy-duty vehicle brake assembly with sealing interface |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5108847B2 (en) * | 2009-08-28 | 2012-12-26 | 曙ブレーキ工業株式会社 | Coating apparatus and coating method |
-
1988
- 1988-08-12 JP JP63201174A patent/JPH0721292B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140317905A1 (en) * | 2011-03-10 | 2014-10-30 | Hendrickson Usa, L.L.C. | Heavy-duty vehicle brake assembly with sealing interface |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0251628A (en) | 1990-02-21 |
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