JPS61178007U - - Google Patents
Info
- Publication number
- JPS61178007U JPS61178007U JP6017885U JP6017885U JPS61178007U JP S61178007 U JPS61178007 U JP S61178007U JP 6017885 U JP6017885 U JP 6017885U JP 6017885 U JP6017885 U JP 6017885U JP S61178007 U JPS61178007 U JP S61178007U
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- reinforced
- rocker arm
- light alloy
- layer
- 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.)
- Pending
Links
- 239000000835 fiber Substances 0.000 claims 12
- 239000010410 layer Substances 0.000 claims 6
- 229910001234 light alloy Inorganic materials 0.000 claims 5
- 239000000843 powder Substances 0.000 claims 4
- 239000012784 inorganic fiber Substances 0.000 claims 3
- 239000010953 base metal Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 239000000956 alloy Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000002344 surface layer Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Description
第１図は本考案の一実施例に係るロツカー・ア
ームの要部欠截正面図、第２図は該ロツカー・ア
ームにおける複合強化層の熱膨張係数を示すグラ
フ、第３図は同じく平面曲げ疲労試験結果を示す
グラフである。
１…ロツカー・アーム、２…軸嵌部、３…第一
層、４…第二層。
Fig. 1 is a cutaway front view of essential parts of a rocker arm according to an embodiment of the present invention, Fig. 2 is a graph showing the coefficient of thermal expansion of the composite reinforcing layer in the rocker arm, and Fig. 3 is a plane bending diagram. It is a graph showing fatigue test results. 1...Rotzker arm, 2...shaft fitting part, 3...first layer, 4...second layer.
Claims (1)
金製ロツカー・アームにおいて、 ロツカー・アーム軸に嵌合するその軸嵌部が無
機繊維で強化されており、繊維強化層の繊維体積
率が表層から内層に向つて低下し、基体金属層に
隣接する層が、基体金属層を形成する合金材料、
またはその主成分で形成された粉末と、無機繊維
とを混合した低繊維体積率の繊維成形体により強
化されていることを特徴とする繊維強化軽合金製
ロツカー・アーム。 (2) 前記軸嵌部の内壁層が、無機繊維と耐摩耗
性の良好な金属粉末とを混合した高繊維体積率の
繊維成形体で強化されていることを特徴とする実
用新案登録請求の範囲第１項に記載された繊維強
化軽合金製ロツカー・アーム。 (3) 前記低繊維体積率が、２〜１０％であるこ
とを特徴とする実用新案登録請求の範囲第１項、
または第２項に記載された繊維強化軽合金製ロツ
カー・アーム。 (4) 前記低繊維体積率の繊維成形体を形成する
繊維および粉末が、次の条件： ○ａ１≦粉末粒径／繊維径≦２０ ○ｂ粉末量（体積）／繊維量（体積）≧２ を満足することを特徴とする実用新案登録請求の
範囲第１項、第２項または第３項に記載された繊
維強化軽合金製ロツカー・アーム。[Scope of Claim for Utility Model Registration] (1) In a light alloy Rocker arm applied to the valve mechanism of an internal combustion engine, the shaft fitting part that fits into the Rocker arm shaft is reinforced with inorganic fibers, An alloy material in which the fiber volume fraction of the fiber reinforced layer decreases from the surface layer toward the inner layer, and the layer adjacent to the base metal layer forms the base metal layer;
A fiber-reinforced light alloy Rotsuker arm, characterized in that it is reinforced with a fiber molded body having a low fiber volume percentage, which is a mixture of powder formed from the main component thereof and inorganic fibers. (2) A utility model registration claim characterized in that the inner wall layer of the shaft fitting part is reinforced with a fiber molded body having a high fiber volume percentage, which is a mixture of inorganic fibers and metal powder with good wear resistance. A fiber-reinforced light alloy Rocker arm as described in Scope 1. (3) Claim 1 of the utility model registration claim, characterized in that the low fiber volume percentage is 2 to 10%;
Or the fiber-reinforced light alloy Rocker arm described in item 2. (4) The fibers and powder forming the fiber compact with the low fiber volume fraction meet the following conditions: ○a1≦powder particle size/fiber diameter≦20 ○bpowder amount (volume)/fiber amount (volume)≧2 A rocker arm made of fiber-reinforced light alloy as set forth in claim 1, 2, or 3 of the utility model registration claim, which satisfies the following.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6017885U JPS61178007U (en) | 1985-04-24 | 1985-04-24 | |
| US06/855,062 US4740428A (en) | 1985-04-24 | 1986-04-23 | Fiber-reinforced metallic member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6017885U JPS61178007U (en) | 1985-04-24 | 1985-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61178007U true JPS61178007U (en) | 1986-11-06 |
Family
ID=30587283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6017885U Pending JPS61178007U (en) | 1985-04-24 | 1985-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61178007U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5536257A (en) * | 1978-09-06 | 1980-03-13 | Koei Chem Co Ltd | Lightening of color of vinyl polymer containing quaternary salt of pyridine base as substitution group |
| JPS5852451A (en) * | 1981-09-24 | 1983-03-28 | Toyota Motor Corp | Heat-resistant and heat-insulating light alloy member and its manufacture |
-
1985
- 1985-04-24 JP JP6017885U patent/JPS61178007U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5536257A (en) * | 1978-09-06 | 1980-03-13 | Koei Chem Co Ltd | Lightening of color of vinyl polymer containing quaternary salt of pyridine base as substitution group |
| JPS5852451A (en) * | 1981-09-24 | 1983-03-28 | Toyota Motor Corp | Heat-resistant and heat-insulating light alloy member and its manufacture |
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