JPH0278807U - - Google Patents
Info
- Publication number
- JPH0278807U JPH0278807U JP15951588U JP15951588U JPH0278807U JP H0278807 U JPH0278807 U JP H0278807U JP 15951588 U JP15951588 U JP 15951588U JP 15951588 U JP15951588 U JP 15951588U JP H0278807 U JPH0278807 U JP H0278807U
- Authority
- JP
- Japan
- Prior art keywords
- hardened layer
- peripheral surface
- crankshaft
- oil hole
- journal
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000035515 penetration Effects 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図は本考案の一実施例における直列４気筒
エンジンのクランクシヤフトを示す部分断面正面
図、第２図は焼入層形成部分を示す要部縦断面図
、第３図は同じく焼入層形成部分を示す第２図の
―線に沿う断面図、第４図は捩り強度テスト
の結果を示すグラフ、第５図はクラツクの発生状
態を示す要部正面図である。
１……クランクシヤフト、２……ジヤーナル部
、３……ピン部、４……アーム部、７，８……貫
通油孔、９……連通油孔、１１〜１３……焼入層
。
Fig. 1 is a partial cross-sectional front view showing the crankshaft of an in-line four-cylinder engine according to an embodiment of the present invention, Fig. 2 is a longitudinal sectional view of the main part showing the hardened layer forming part, and Fig. 3 is also a hardened layer. FIG. 4 is a graph showing the results of a torsional strength test, and FIG. 5 is a front view of the main part showing the state of occurrence of cracks. DESCRIPTION OF SYMBOLS 1... Crankshaft, 2... Journal part, 3... Pin part, 4... Arm part, 7, 8... Penetration oil hole, 9... Communication oil hole, 11-13... Quenched layer.
Claims (1)
成されると共に、ピン部またはジヤーナル部を貫
通して形成された油孔の全内周面にも焼入層が形
成されていることを特徴とするクランクシヤフト
。 A hardened layer is formed on the peripheral surface of the pin part or journal part, and a hardened layer is also formed on the entire inner peripheral surface of the oil hole formed through the pin part or journal part. Crankshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15951588U JPH0278807U (en) | 1988-12-08 | 1988-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15951588U JPH0278807U (en) | 1988-12-08 | 1988-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0278807U true JPH0278807U (en) | 1990-06-18 |
Family
ID=31440797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15951588U Pending JPH0278807U (en) | 1988-12-08 | 1988-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0278807U (en) |
-
1988
- 1988-12-08 JP JP15951588U patent/JPH0278807U/ja active Pending