JPH0169909U - - Google Patents
Info
- Publication number
- JPH0169909U JPH0169909U JP1987164639U JP16463987U JPH0169909U JP H0169909 U JPH0169909 U JP H0169909U JP 1987164639 U JP1987164639 U JP 1987164639U JP 16463987 U JP16463987 U JP 16463987U JP H0169909 U JPH0169909 U JP H0169909U
- Authority
- JP
- Japan
- Prior art keywords
- fixed shaft
- radial bearing
- bearing surface
- rotating member
- base
- 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.)
- Granted
Links
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
Description
第１図はこの考案の一実施例を示す動圧形流体
軸受装置の断面図である。
図中、１は基台、３は固定軸、５は円筒状孔、
１１はラジアル受面、１２は動圧発生用みぞ、１
９は回転部材、２７はラジアル軸受面である。
FIG. 1 is a sectional view of a hydrodynamic bearing device showing an embodiment of this invention. In the figure, 1 is a base, 3 is a fixed shaft, 5 is a cylindrical hole,
11 is a radial receiving surface, 12 is a groove for generating dynamic pressure, 1
9 is a rotating member, and 27 is a radial bearing surface.
Claims (1)
定軸に回転部材の円筒状孔を嵌合し、前記固定軸
の外周面に設けた円筒状のラジアル受面が回転部
材に設けたラジアル軸受面に対向し、該ラジアル
軸受面とラジアル受面との少なくとも一方に動圧
発生用みぞを設け、前記回転部材を軸方向に支持
する手段を備えた動圧形流体軸受装置において、
前記基台と固定軸とはいずれも縦弾性係数が１８
０００Kgｆ／mm２以上であることを特徴とする動
圧形流体軸受装置。 (2) 基台と固定軸とがいずれもステンレス鋼か
らなる実用新案登録請求の範囲第１項記載の動圧
形流体軸受装置。[Claims for Utility Model Registration] (1) One end of a fixed shaft is attached to the base, a cylindrical hole of a rotating member is fitted to the fixed shaft, and a cylindrical hole provided on the outer circumferential surface of the fixed shaft is fitted. a radial bearing surface facing a radial bearing surface provided on a rotating member, a groove for generating dynamic pressure is provided in at least one of the radial bearing surface and the radial bearing surface, and means for supporting the rotating member in the axial direction is provided. In a hydrodynamic bearing device,
Both the base and the fixed shaft have a longitudinal elastic modulus of 18.
A hydrodynamic bearing device characterized in that it has a pressure of 000 Kgf/mm2 or more . (2) The hydrodynamic bearing device according to claim 1, wherein both the base and the fixed shaft are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987164639U JPH0416014Y2 (en) | 1987-10-29 | 1987-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987164639U JPH0416014Y2 (en) | 1987-10-29 | 1987-10-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0169909U true JPH0169909U (en) | 1989-05-10 |
| JPH0416014Y2 JPH0416014Y2 (en) | 1992-04-10 |
Family
ID=31450425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987164639U Expired JPH0416014Y2 (en) | 1987-10-29 | 1987-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416014Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012021374A1 (en) | 2011-11-08 | 2013-05-08 | Fanuc Corporation | Robot programming device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6132812A (en) * | 1984-07-26 | 1986-02-15 | Toshiba Corp | Optical deflecting device of polygon mirror |
| JPS61269111A (en) * | 1985-05-24 | 1986-11-28 | Toshiba Corp | Device for supporting rotary body |
| JPS61269637A (en) * | 1986-05-14 | 1986-11-29 | Toshiba Corp | Motor for polarization |
-
1987
- 1987-10-29 JP JP1987164639U patent/JPH0416014Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012021374A1 (en) | 2011-11-08 | 2013-05-08 | Fanuc Corporation | Robot programming device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0416014Y2 (en) | 1992-04-10 |
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