JPS60139933A - Friction member - Google Patents
Friction memberInfo
- Publication number
- JPS60139933A JPS60139933A JP24865583A JP24865583A JPS60139933A JP S60139933 A JPS60139933 A JP S60139933A JP 24865583 A JP24865583 A JP 24865583A JP 24865583 A JP24865583 A JP 24865583A JP S60139933 A JPS60139933 A JP S60139933A
- Authority
- JP
- Japan
- Prior art keywords
- friction
- rubber latex
- friction member
- friction material
- filler
- 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
- 229920000126 latex Polymers 0.000 claims abstract description 15
- 239000002783 friction material Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract 2
- 239000004816 latex Substances 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 241000218645 Cedrus Species 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/025—Compositions based on an organic binder
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は自動車、オートハイ等のブレーキやクラッチに
用いられる摩擦材に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a friction material used in brakes and clutches of automobiles, automatic high-speed vehicles, etc.
この種摩擦材に要求される性能としては、摩擦係数が高
いこと、広範囲の使用条件に対して摩擦係数の変化が少
なく安定性を有すること、耐摩耗性に優れていること等
を挙げることができる。The performance required of this type of friction material includes a high coefficient of friction, stability with little change in the coefficient of friction over a wide range of usage conditions, and excellent wear resistance. can.
これらの性能を満足させるためには、主構成成分たる繊
維材に無機質、有機質等の各種充填材を配合する必要が
あるが、従来の抄造法により製造される摩擦材において
は、繊維材と充填材とを正負の電荷により静電的に結合
しているため、繊維材に対する充填材の定着性に問題が
あり、充填材の配合量、種類および形状に制限を受け、
充分な性能が得られないという欠点がある。In order to satisfy these performances, it is necessary to mix various fillers such as inorganic and organic fillers with the fibrous material, which is the main component. Because the filler is electrostatically bonded to the fiber material using positive and negative charges, there is a problem with the fixation of the filler to the fiber material, and there are restrictions on the amount, type, and shape of the filler.
The drawback is that sufficient performance cannot be obtained.
本発明は上記欠点を解決し性能の優れた前記摩擦材を提
供することを目的とし、摩擦材料に１〜３０重量％のゴ
ムラテックスを添加したことを特徴とする。The present invention aims to solve the above-mentioned drawbacks and provide the friction material with excellent performance, and is characterized in that 1 to 30% by weight of rubber latex is added to the friction material.
上記ゴムラテックスとしては、ＮＢＲ，ＳＢＲ等のラテ
フクスが用いられ、そのゴムラテックスの凝集効果によ
って従来不可能とされていた種類。As the above-mentioned rubber latex, latexes such as NBR and SBR are used, and these types of rubber latexes were previously considered impossible due to their cohesive effects.
の充填材の配合が可能となるり、また充填材の形状に対
する制約を大幅に緩和し、さらに充填材の配合量も比較
的多量に調整することができる。その上ゴムラテックス
により摩擦材にゴム弾性を付与し得るので薄物であるペ
ーパライニングの摩擦係数を大幅に高くすることが可能
となるだけでなく、従来抄造法により製造される摩擦材
では不可能であった厚物のランニングについても、ゴム
ラテックスの粘着性を利用して圧着することにより任意
厚さのものを得ることが可能である。In addition, the restrictions on the shape of the filler can be greatly relaxed, and the amount of filler to be blended can be adjusted to a relatively large amount. Furthermore, rubber latex can impart rubber elasticity to the friction material, which not only makes it possible to significantly increase the coefficient of friction of thin paper linings, but also makes it possible to significantly increase the coefficient of friction of paper linings, which is impossible with conventional friction materials manufactured by papermaking methods. Even for thick running materials, it is possible to obtain any thickness by crimping using the adhesive properties of rubber latex.
以下、本発明の実施例について説明する。 □〔実施例
■〕
下記の表１は本発明に係る乾式摩擦材Ａ＋ と従来の乾
式摩擦材Ｂ１の各種成分の配合割合を示し、両摩擦材Ａ
、、Ｂ、は抄造法により製造される。Examples of the present invention will be described below. □ [Example ■] Table 1 below shows the blending ratios of various components of the dry friction material A+ according to the present invention and the conventional dry friction material B1.
, ,B are manufactured by a papermaking method.
表 １
第１図は両摩擦材Ａ１．．．Ｂ−こついて１７われた乾
式クラッチダイナモメータによる摩擦係数およびその安
定性についての測定テスト結果を示す。Table 1 Figure 1 shows both friction materials A1. ．． ．． B - Shows the results of a measurement test on the friction coefficient and its stability using a dry clutch dynamometer.
テスト条件は、入力回転 １５００ ｒ ｐ ｍ 、慣
性体０．１０ｋｇ−ｍ −ｓ２．インターバル ４回／
分、面圧 １．８ ｋｇ ／ ｃＪである。The test conditions were: input rotation 1500 rpm, inertia 0.10 kg-m-s2. Interval 4 times/
minute, and the surface pressure is 1.8 kg/cJ.
第１図から明らかなように、本発明摩擦材Ａ＋は従来摩
擦材Ｂ、に比較して摩擦係数が高く、またその変化も少
なく安定している。また耐摩耗性も良好である。これは
本発明摩擦材Ａ、においてはゴムラテックスの添加によ
り充填材の配合量を従来摩擦Ｉ４８’ Ｉに比べて多く
するコ１法ができると共に金属繊維の耐容が可能となる
ｌためその金属繊維に□より摩擦材の熱伝動率を改善し
、摩擦係数の安ｉ化を図るどとができるからである。使
用された”金愈繊維の形状は直径 ６０μｍ、長さ ３
鶴であるが、従来摩擦材Ｂ、においては、この金属繊維
の配合が不可能であり、従−ｉ Ｔ’摩擦係数に経時炭
化がみられ、□不安定である′どとが確認された。As is clear from FIG. 1, the friction material A+ of the present invention has a higher friction coefficient than the conventional friction material B, and is stable with little change in the coefficient. It also has good wear resistance. This is because in the friction material A of the present invention, by adding rubber latex, it is possible to increase the amount of filler compounded compared to the conventional friction material I48' I, and it is also possible to tolerate metal fibers. This is because the heat transfer coefficient of the friction material can be improved by □, and the coefficient of friction can be lowered. The shape of the “Kinyu fiber” used was 60 μm in diameter and 3 in length.
However, in the conventional friction material B, it was impossible to incorporate this metal fiber, and it was confirmed that the friction coefficient of friction material B showed carbonization over time and was unstable. .
種々検討を加えた結果、乾式摩擦材においては、分ムラ
テレクスあ添加量は１〜１・０重量％が最適であり、そ
の添加量が１重量蜘番下回ると凝集効果示少なくなり、
杉量の充填材を配合することが＋基ず、一方１０重量％
を上回・る゛と耐フェード性が悪く、高温時における摩
耗量が多・くなり摩擦材としての強度が低下する。As a result of various studies, we found that in dry friction materials, the optimum amount of addition is 1 to 1.0% by weight, and if the addition amount is less than 1% by weight, the agglomeration effect will be less.
It is not possible to blend the filler with the amount of cedar + 10% by weight
If it exceeds or exceeds 100%, the fade resistance becomes poor, the amount of wear increases at high temperatures, and the strength as a friction material decreases.
〔実施ｊｌ’ｉｉ
□′下記の表２は本胤明に係る湿度゛式摩擦材Ａ２と従
来の湿式摩擦材Ｂ、の各種成分の配合割合を示□し、両
摩擦材Ａｘ、Ｂｚは抄造法により製造される。[Implementation jl'ii □'Table 2 below shows the blending ratios of various components of the moisture-type friction material A2 and the conventional wet-type friction material B according to the invention, and both friction materials Ax and Bz are paper-made. Manufactured by law.
表′２
第２図は両摩擦材Ａ、、Ｂ、ついて行われた湿式クラッ
チダイナモメータによる摩擦係数の測定テスト結果を示
す。テスト条件は、入力回転３１００ｒｐｍ、慣性体
０．０４ｋｇ−ｍ−５” 、イアターパル ２回／分、
面圧 ２ ｋｇ ／ ｃｔｌ、給油量 ｉ。Table 2 Figure 2 shows the results of a friction coefficient measurement test conducted using a wet clutch dynamometer for both friction materials A and B. Test conditions were input rotation 3100 rpm, inertial body
0.04kg-m-5”, Iatorpal 2 times/min,
Surface pressure 2 kg/ctl, oil supply amount i.
０ｍ１１分である。0m 11 minutes.
第２図から明らかなように、本発明摩擦材Ａ２は従来摩
擦材Ｂ２に比較して摩擦係数が高い。これは前記実施例
■同様ゴムラテックスの添加により充填材を多量に配合
できるようになったこと、および摩擦（Ａにゴム弾性を
付与し得ることに起因する。As is clear from FIG. 2, the friction material A2 of the present invention has a higher coefficient of friction than the conventional friction material B2. This is due to the fact that a large amount of filler can be blended by adding rubber latex, as in Example 2, and because rubber elasticity can be imparted to friction (A).
種々検討を加えた結果、湿式摩擦材においてはゴムラテ
ックスの添加量は、１０〜３０重量％が最適であり、そ
の添加量が１重量％を下回ると凝集効果が少なくなり、
多量の充填材を配合することができず、一方３０重量％
を上回るとゴムの熱劣化により摩擦材の性能低下を生し
ることが確認された。As a result of various studies, we found that the optimal amount of rubber latex to be added in wet friction materials is 10 to 30% by weight, and if the amount is less than 1% by weight, the aggregation effect will be reduced.
It is not possible to incorporate a large amount of filler, while 30% by weight
It was confirmed that when the temperature exceeds 100%, the performance of the friction material deteriorates due to thermal deterioration of the rubber.
以上のように本発明によれば、摩擦材料に対して特定量
のゴムラテックスを添加することよって１ｆ擦係数が高
く、しかもそれが安定しており、その−ヒ耐摩耗性に優
れる等、要求される性能を具備した摩擦材を提供するこ
とができる。As described above, according to the present invention, by adding a specific amount of rubber latex to the friction material, the 1f friction coefficient is high and stable. It is possible to provide a friction material that has the following performance.
第１図は乾式摩擦材に対する乾式タラソチダイナモメー
タによるテスト結果を示すグラフ、第２図は湿式摩擦材
に対する湿式クラッチダイナモメータによるテスト結果
を示すグラフである。
第１図
第２図
テスト回数（回）FIG. 1 is a graph showing test results for dry friction materials using a dry thalassoti dynamometer, and FIG. 2 is a graph showing test results for wet friction materials using a wet clutch dynamometer. Figure 1 Figure 2 Number of tests (times)
Claims (1)
〜３０重量％のゴムラテックスを添加したことを特徴と
する摩擦材。In friction materials manufactured by the papermaking method, 1
A friction material characterized by adding ~30% by weight of rubber latex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24865583A JPS60139933A (en) | 1983-12-27 | 1983-12-27 | Friction member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24865583A JPS60139933A (en) | 1983-12-27 | 1983-12-27 | Friction member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60139933A true JPS60139933A (en) | 1985-07-24 |
| JPH0261664B2 JPH0261664B2 (en) | 1990-12-20 |
Family
ID=17181354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24865583A Granted JPS60139933A (en) | 1983-12-27 | 1983-12-27 | Friction member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60139933A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2048406A2 (en) | 2007-10-10 | 2009-04-15 | Miba Frictec GmbH | Method for manufacturing a friction lining |
| JPWO2016104350A1 (en) * | 2014-12-26 | 2017-10-05 | 日本ゼオン株式会社 | Latex for friction material and friction material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58204080A (en) * | 1982-05-21 | 1983-11-28 | Akebono Brake Ind Co Ltd | Wet friction material |
-
1983
- 1983-12-27 JP JP24865583A patent/JPS60139933A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58204080A (en) * | 1982-05-21 | 1983-11-28 | Akebono Brake Ind Co Ltd | Wet friction material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2048406A2 (en) | 2007-10-10 | 2009-04-15 | Miba Frictec GmbH | Method for manufacturing a friction lining |
| US8603273B2 (en) | 2007-10-10 | 2013-12-10 | Miba Frictec Gmbh | Method of producing a friction lining |
| JPWO2016104350A1 (en) * | 2014-12-26 | 2017-10-05 | 日本ゼオン株式会社 | Latex for friction material and friction material |
| EP3239265A4 (en) * | 2014-12-26 | 2018-08-01 | Zeon Corporation | Latex for friction material, and friction material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0261664B2 (en) | 1990-12-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |