JPS6262016U - - Google Patents
Info
- Publication number
- JPS6262016U JPS6262016U JP15343485U JP15343485U JPS6262016U JP S6262016 U JPS6262016 U JP S6262016U JP 15343485 U JP15343485 U JP 15343485U JP 15343485 U JP15343485 U JP 15343485U JP S6262016 U JPS6262016 U JP S6262016U
- Authority
- JP
- Japan
- Prior art keywords
- dynamic pressure
- shaft
- base material
- rough surface
- pair
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１Ａ図は本考案の第一実施例を示す加工前の
軸母材表面の要部断面図、第１Ｂ図は同粗面成形
加工を施した状態の軸母材表面の要部断面図、第
１Ｃ図は同転造加工中の状態を示す軸母材表面の
要部断面図、第１Ｄ図は同完成品の要部断面図、
第２Ａ図は同第二実施例を示す加工前の軸母材表
面の要部断面図、第２Ｂ図は同化成処理膜層を施
した状態を示す軸母材表面の要部断面図、第２Ｃ
図は同転造加工中の状態を示す軸母材表面の要部
断面図、第２Ｄ図は同完成品の要部断面図である
。
１・１ａ……軸母材、２・６……粗面箇所、３
・３ａ……動圧発生溝、５……化成処理膜層。
FIG. 1A is a cross-sectional view of the main part of the surface of the shaft base material before processing, showing the first embodiment of the present invention, and FIG. 1B is a cross-sectional view of the main part of the surface of the shaft base material after the rough surface forming process. Fig. 1C is a sectional view of the main part of the surface of the shaft base material showing the state during the rolling process, and Fig. 1D is a sectional view of the main part of the finished product.
Fig. 2A is a cross-sectional view of the main part of the surface of the shaft base material before processing, showing the second embodiment, and Fig. 2B is a cross-sectional view of the main part of the surface of the shaft base material with the same chemical conversion treatment film layer applied. 2C
The figure is a cross-sectional view of the main part of the surface of the shaft base material showing the state during the rolling process, and FIG. 2D is a cross-sectional view of the main part of the finished product. 1/1a...Shaft base material, 2/6...Rough surface area, 3
・3a...Dynamic pressure generating groove, 5...Chemical conversion treatment film layer.
Claims (1)
の油溜め溝間に形成された動圧発生溝とを有する
動圧軸において、少なくとも前記動圧発生溝は軸
表面に形成された粗面箇所に設けられていること
を特徴とする動圧軸。 (2) 前記粗面箇所は軸母材の表面を直に加工し
て形成したものであることを特徴とする登録請求
の範囲第１項に記載の動圧軸。 (3) 前記粗面箇所は軸母材の表面に化成処理膜
層を施して形成したものであることを特徴とする
登録請求の範囲第１項に記載の動圧軸。[Claims for Utility Model Registration] (1) In a dynamic pressure shaft having a pair of annular oil reservoir grooves on the circumferential surface and a dynamic pressure generating groove formed between the pair of oil reservoir grooves, at least the dynamic pressure A dynamic pressure shaft characterized in that the generation groove is provided in a rough surface area formed on the shaft surface. (2) The dynamic pressure shaft according to claim 1, wherein the rough surface portion is formed by directly processing the surface of the shaft base material. (3) The dynamic pressure shaft according to claim 1, wherein the rough surface portion is formed by applying a chemical conversion film layer to the surface of the shaft base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15343485U JPS6262016U (en) | 1985-10-07 | 1985-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15343485U JPS6262016U (en) | 1985-10-07 | 1985-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6262016U true JPS6262016U (en) | 1987-04-17 |
Family
ID=31072311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15343485U Pending JPS6262016U (en) | 1985-10-07 | 1985-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6262016U (en) |
-
1985
- 1985-10-07 JP JP15343485U patent/JPS6262016U/ja active Pending