JPH03123602U - - Google Patents
Info
- Publication number
- JPH03123602U JPH03123602U JP3327490U JP3327490U JPH03123602U JP H03123602 U JPH03123602 U JP H03123602U JP 3327490 U JP3327490 U JP 3327490U JP 3327490 U JP3327490 U JP 3327490U JP H03123602 U JPH03123602 U JP H03123602U
- Authority
- JP
- Japan
- Prior art keywords
- outer ring
- housing
- support device
- ball
- spindle
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000036316 preload Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
Landscapes
- Support Of The Bearing (AREA)
- Turning (AREA)
Description
第１図はこの考案に係る主軸の支持装置の一実
施例を示す縦断正面図、第２図乃至第５図は同上
の組立を段階的に示す断面図である。
１…ハウジング、４…主軸、５…外輪、６…ボ
ール溝、７…ボール、８…間座、９…予圧リング
、１６…つば付外輪、１７…間座、１８…円筒こ
ろ。
FIG. 1 is a longitudinal sectional front view showing one embodiment of a main shaft support device according to this invention, and FIGS. 2 to 5 are sectional views showing the assembly of the same in stages. DESCRIPTION OF SYMBOLS 1... Housing, 4... Main shaft, 5... Outer ring, 6... Ball groove, 7... Ball, 8... Spacer, 9... Preload ring, 16... Outer ring with flange, 17... Spacer, 18... Cylindrical roller.
Claims (1)
有する複数の外輪を組込み、軸方向に並ぶ複数の
外輪のうちハウジング先端側に位置する所要数の
外輪は、正面がハウジングの先端開口に向く配置
とすると共に、残りの外輪は逆向きの配置とし、
ハウジングの内側に挿入した主軸の外周には上記
各外輪と対向する位置にボール溝を設け、そのボ
ール溝と外輪との間に保持器付ボールを組込み、
前記各外輪の背面側には間隔調整用の間座を組込
み、向きが異なる一対の外輪間に組込まれた２個
の間座間には軸方向に並ぶ間座および外輪を軸方
向に押圧してボールとボール転走面間に予圧を付
与する二つ割りの予圧リングを介在させた工作機
械における主軸の支持装置。 (2) 前記ボールがセラミツクスより成る請求項(
1)記載の工作機械における主軸の支持装置。 (3) 前記ハウジングの後端部内側につば付き外
輪を組込み、その外輪と主軸の外周面間にころを
組込んだ請求項(1)記載の工作機械における主軸
の支持装置。 (4) 前記ころがセラミツクスより成る請求項(3)
記載の工作機械における主軸の支持装置。[Claims for Utility Model Registration] (1) A plurality of outer rings each having a counterbore are incorporated inside the distal end of the housing, and a required number of outer rings located on the distal end side of the housing among the plurality of outer rings arranged in the axial direction are arranged so that their front faces are The outer ring is placed facing the opening at the tip of the housing, and the remaining outer ring is placed in the opposite direction.
A ball groove is provided on the outer periphery of the main shaft inserted inside the housing at a position facing each of the outer rings, and a ball with a retainer is installed between the ball groove and the outer ring.
A spacer for adjusting the distance is installed on the back side of each outer ring, and between the two spacers installed between a pair of outer rings having different orientations, the spacer and the outer ring aligned in the axial direction are pressed in the axial direction. A spindle support device for machine tools that includes a two-piece preload ring that applies preload between the balls and the ball rolling surface. (2) Claim in which the ball is made of ceramics (
1) A support device for the spindle in the machine tool described above. (3) The main spindle support device for a machine tool according to claim (1), wherein a flanged outer ring is installed inside the rear end of the housing, and rollers are installed between the outer ring and the outer peripheral surface of the main spindle. (4) Claim (3), wherein the roller is made of ceramics.
A support device for a spindle in the machine tool described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990033274U JP2532169Y2 (en) | 1990-03-29 | 1990-03-29 | Spindle support device for machine tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990033274U JP2532169Y2 (en) | 1990-03-29 | 1990-03-29 | Spindle support device for machine tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03123602U true JPH03123602U (en) | 1991-12-16 |
| JP2532169Y2 JP2532169Y2 (en) | 1997-04-09 |
Family
ID=31536812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990033274U Expired - Fee Related JP2532169Y2 (en) | 1990-03-29 | 1990-03-29 | Spindle support device for machine tools |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2532169Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS626334U (en) * | 1985-06-28 | 1987-01-14 | ||
| JPS62140705A (en) * | 1985-12-13 | 1987-06-24 | Kitamura Kikai Kk | Machine tool |
-
1990
- 1990-03-29 JP JP1990033274U patent/JP2532169Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS626334U (en) * | 1985-06-28 | 1987-01-14 | ||
| JPS62140705A (en) * | 1985-12-13 | 1987-06-24 | Kitamura Kikai Kk | Machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2532169Y2 (en) | 1997-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |