JPS5827055U - Machine tool spindle bearing device - Google Patents
Machine tool spindle bearing deviceInfo
- Publication number
- JPS5827055U JPS5827055U JP12213481U JP12213481U JPS5827055U JP S5827055 U JPS5827055 U JP S5827055U JP 12213481 U JP12213481 U JP 12213481U JP 12213481 U JP12213481 U JP 12213481U JP S5827055 U JPS5827055 U JP S5827055U
- Authority
- JP
- Japan
- Prior art keywords
- machine tool
- spindle
- headstock
- main shaft
- bearing device
- 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
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の一実施例を示すものにして、第１図は縦
断面図、第２図は使用状態図である。
１・・・主軸台、２・・・主軸、３・・・軸受筒、４・
・・凹環溝、５・・・空気導入間隙、６・・・磁石、７
・・・ポール状部材。The drawings show one embodiment of the present invention, and FIG. 1 is a longitudinal cross-sectional view, and FIG. 2 is a usage state diagram. 1... Headstock, 2... Main shaft, 3... Bearing tube, 4...
... Concave ring groove, 5 ... Air introduction gap, 6 ... Magnet, 7
...Pole-shaped member.
Claims (1)
って、上記主軸台内に軸受筒を固定嵌装し、該軸受筒内
に上記主軸を回転自在に横設し、該主軸の外周面を軸受
する前記軸受する前記軸受筒の内周面に、該軸受筒の中
央部より夫々前端・後端に向けて次第に主軸の外周面と
の間隙が小さくなる形状の凹環溝を形成し、該凹環溝と
前記主軸の外周面との間の空気導入間隙に圧縮空気を供
給するように設け、更に主軸台の後部に、主軸の後面を
吸着するように作用する磁石を固定嵌挿し、該磁石の前
面と前記主軸の後面間にボール状部材を介在して成る工
作機械の主軸軸受装置。The main spindle is mounted on the headstock of a machine tool, and a bearing cylinder is fixedly fitted into the headstock, the main spindle is rotatably installed horizontally within the bearing cylinder, and the outer periphery of the main spindle is A concave annular groove is formed on the inner circumferential surface of the bearing tube that bears the surface, and the gap with the outer circumferential surface of the main shaft gradually decreases from the center of the bearing tube toward the front end and the rear end, respectively. , so as to supply compressed air to the air introduction gap between the concave annular groove and the outer circumferential surface of the spindle, and a magnet that acts to attract the rear surface of the spindle is fixedly inserted into the rear of the headstock. A main shaft bearing device for a machine tool, comprising a ball-shaped member interposed between the front surface of the magnet and the rear surface of the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12213481U JPS5827055U (en) | 1981-08-18 | 1981-08-18 | Machine tool spindle bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12213481U JPS5827055U (en) | 1981-08-18 | 1981-08-18 | Machine tool spindle bearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5827055U true JPS5827055U (en) | 1983-02-21 |
Family
ID=29916062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12213481U Pending JPS5827055U (en) | 1981-08-18 | 1981-08-18 | Machine tool spindle bearing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5827055U (en) |
-
1981
- 1981-08-18 JP JP12213481U patent/JPS5827055U/en active Pending
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