JPH0382802U - - Google Patents
Info
- Publication number
- JPH0382802U JPH0382802U JP14201089U JP14201089U JPH0382802U JP H0382802 U JPH0382802 U JP H0382802U JP 14201089 U JP14201089 U JP 14201089U JP 14201089 U JP14201089 U JP 14201089U JP H0382802 U JPH0382802 U JP H0382802U
- Authority
- JP
- Japan
- Prior art keywords
- stepped
- diameter shaft
- shaft portion
- groove bottom
- small diameter
- 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
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Control Of Turbines (AREA)
Description
第１図は本考案による段付軸の一例を示す要部
の断面図、第２図は再熱蒸気止め弁における弁軸
として用いられる従来の段付軸を示す側面図、第
３図は第２図の一部断面図、第４図は従来の段付
軸に発生する割れの状態を示す側面図である。
１…段付軸、２…大径軸部分、３…小径軸部分
、４…段付溝底部分、８…窒化層。
Fig. 1 is a cross-sectional view of the main parts of an example of a stepped shaft according to the present invention, Fig. 2 is a side view showing a conventional stepped shaft used as a valve stem in a reheat steam stop valve, and Fig. FIG. 2 is a partial sectional view, and FIG. 4 is a side view showing the state of cracks that occur in a conventional stepped shaft. 1...Stepped shaft, 2...Large diameter shaft portion, 3...Small diameter shaft portion, 4...Stepped groove bottom portion, 8...Nitrided layer.
Claims (1)
を形成している段付軸において、前記段付溝底部
分を除いて、前記大径軸部分及び前記小径軸部分
の外表面を窒化したことを特徴とする段付軸。 In a stepped shaft forming a stepped groove bottom portion between a large diameter shaft portion and a small diameter shaft portion, the outer surface of the large diameter shaft portion and the small diameter shaft portion, excluding the stepped groove bottom portion. A stepped shaft characterized by being nitrided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14201089U JPH0382802U (en) | 1989-12-11 | 1989-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14201089U JPH0382802U (en) | 1989-12-11 | 1989-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0382802U true JPH0382802U (en) | 1991-08-23 |
Family
ID=31688863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14201089U Pending JPH0382802U (en) | 1989-12-11 | 1989-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0382802U (en) |
-
1989
- 1989-12-11 JP JP14201089U patent/JPH0382802U/ja active Pending