JPS61180159U - - Google Patents
Info
- Publication number
- JPS61180159U JPS61180159U JP6262885U JP6262885U JPS61180159U JP S61180159 U JPS61180159 U JP S61180159U JP 6262885 U JP6262885 U JP 6262885U JP 6262885 U JP6262885 U JP 6262885U JP S61180159 U JPS61180159 U JP S61180159U
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- reinforced
- arm
- light alloy
- volume
- 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 description 11
- 239000010410 layer Substances 0.000 claims 5
- 229910001234 light alloy Inorganic materials 0.000 claims 4
- 239000000843 powder Substances 0.000 claims 3
- 239000010953 base metal Substances 0.000 claims 2
- 239000012784 inorganic fiber Substances 0.000 claims 2
- 239000000956 alloy Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000000748 compression moulding Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000002344 surface layer Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Description
第１図は公知に係るロツカー・アームの要部欠
截正面図、第２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３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４図ないし第６図は該ロツカー・
アームを強化するための繊維成形体の成形態様を
示す図である。
１…ロツカー・アーム、２…耐摩耗部片、３…
ロツカー・アーム、４…カム摺接部、５…第一層
、６…第二層、７…第三層、１１，１２，１３…
繊維小成形体。
FIG. 1 is a cutaway front view of a known rocker arm, FIG. 2 is a cutaway front view of a rocker arm according to an embodiment of the present invention, and FIG. 3 is a front view of a rocker arm according to an embodiment of the present invention. Graphs showing the coefficient of thermal expansion of the composite reinforcement layer, Figures 4 to 6 are
It is a figure which shows the shaping|molding mode of the fiber molded object for reinforcing an arm. 1...Rotzker arm, 2...wear-resistant piece, 3...
Rocker arm, 4... Cam sliding contact part, 5... First layer, 6... Second layer, 7... Third layer, 11, 12, 13...
Small fiber molded body.
Claims (1)
ンの該動弁機構に適用される軽合金製ロツカー・
アームにおいて、 カム摺接部が無機質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段
階的に低下し、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、無機質繊維とを混合後、圧縮
成形して成る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) 前記繊維成形体の繊維体積率が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項に記載された繊維強化軽合金製ロツカー・
アーム。 (3) 前記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、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。[Claims for Utility Model Registration] (1) Light alloy Rodscar valve applied to the valve mechanism of an internal combustion engine equipped with an overhead camshaft type valve mechanism.
In the arm, the cam sliding contact area is reinforced with inorganic fibers, and the fiber volume percentage of the fiber-reinforced layer gradually 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, which is reinforced with a fiber compact with a low fiber volume percentage, which is formed by mixing an alloy material or a powder made of its main component with inorganic fibers and then compression molding the mixture. Rotskar Arm. (2) The fiber volume fraction of the fiber molded article is 2 to 10%.
The fiber-reinforced light alloy Rodscar described in claim 1 of the utility model registration claim characterized in that
arm. (3) The fibers and powder forming the fiber compact satisfy 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 described in claim 1 or 2 of the utility model registration claim characterized by:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6262885U JPS61180159U (en) | 1985-04-27 | 1985-04-27 | |
| 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 |
|---|---|---|---|
| JP6262885U JPS61180159U (en) | 1985-04-27 | 1985-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61180159U true JPS61180159U (en) | 1986-11-10 |
Family
ID=30592020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6262885U Pending JPS61180159U (en) | 1985-04-24 | 1985-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61180159U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5852451A (en) * | 1981-09-24 | 1983-03-28 | Toyota Motor Corp | Heat-resistant and heat-insulating light alloy member and its manufacture |
-
1985
- 1985-04-27 JP JP6262885U patent/JPS61180159U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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