JPH0270904U - - Google Patents
Info
- Publication number
- JPH0270904U JPH0270904U JP15067588U JP15067588U JPH0270904U JP H0270904 U JPH0270904 U JP H0270904U JP 15067588 U JP15067588 U JP 15067588U JP 15067588 U JP15067588 U JP 15067588U JP H0270904 U JPH0270904 U JP H0270904U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- main shaft
- outer ring
- inner ring
- gap
- 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
- 238000006073 displacement reaction Methods 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 2
Landscapes
- Turning (AREA)
- Support Of The Bearing (AREA)
Description
第１図は本考案の主軸軸受装置の断面図、第２
図は第１図―断面矢視図、第３図は第２図と
同じで他の実施例を示す図面である。
１１……主軸、１２……軸受ハウジング、１３
，１４……アンギユラ玉軸受、１５……内輪側間
座、１６ａ，１６ｂ……外輪側間座、２１……穴
、２２……皿ばね（弾性体）、Ｇ……隙間。
Figure 1 is a sectional view of the main shaft bearing device of the present invention, Figure 2 is a sectional view of the main shaft bearing device of the present invention.
The drawings are FIG. 1--a sectional view taken in the direction of arrows, and FIG. 3 is the same as FIG. 2, but shows another embodiment. 11...Main shaft, 12...Bearing housing, 13
, 14... Angular ball bearing, 15... Inner ring side spacer, 16a, 16b... Outer ring side spacer, 21... Hole, 22... Belleville spring (elastic body), G... Gap.
Claims (1)
配置する組合せ型アンギユラ玉軸受を用いた工作
機械の主軸軸受装置において； 主軸高速回転時の遠心力による軸受内輪の膨脹
に伴つて生ずる軸受外輪または軸受内輪の軸方向
変位量にほぼ等しい軸方向の隙間を与えて該隙間
の範囲内のみ前記軸受外輪または軸受内輪を移動
可能に軸受ハウジングまたは主軸に取付けるため
の部材と、同部材に対し前記隙間を広げる方向の
弾性力を付与するための弾性体とを有することを
特徴とする工作機械の主軸軸受装置。[Claim for Utility Model Registration] In a main shaft bearing device for a machine tool using a combination type angular contact ball bearing in which at least two angular contact ball bearings are arranged in opposite directions; a member for attaching the bearing outer ring or the bearing inner ring to the bearing housing or the main shaft so that the bearing outer ring or the bearing inner ring can be moved only within the range of the gap by providing an axial clearance approximately equal to the amount of axial displacement of the bearing outer ring or the bearing inner ring that occurs; A main shaft bearing device for a machine tool, comprising an elastic body for applying an elastic force to the member in a direction to widen the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15067588U JPH0270904U (en) | 1988-11-17 | 1988-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15067588U JPH0270904U (en) | 1988-11-17 | 1988-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0270904U true JPH0270904U (en) | 1990-05-30 |
Family
ID=31424032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15067588U Pending JPH0270904U (en) | 1988-11-17 | 1988-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0270904U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS644503B2 (en) * | 1983-08-02 | 1989-01-25 | Nippon Zeon Co |
-
1988
- 1988-11-17 JP JP15067588U patent/JPH0270904U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS644503B2 (en) * | 1983-08-02 | 1989-01-25 | Nippon Zeon Co |