JPH03103103U - - Google Patents
Info
- Publication number
- JPH03103103U JPH03103103U JP1191190U JP1191190U JPH03103103U JP H03103103 U JPH03103103 U JP H03103103U JP 1191190 U JP1191190 U JP 1191190U JP 1191190 U JP1191190 U JP 1191190U JP H03103103 U JPH03103103 U JP H03103103U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- end side
- attached
- rotor
- main shaft
- 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
- Turning (AREA)
Description
第１図は本考案の一実施例に係る主軸支持構造
を採用した主軸頭の断面図、第２図は従来技術に
係る主軸頭の断面図である。
図面中、１……主軸、２，１１……軸受、３，
４，９……ラビリンス、５，１２，３０……軸受
箱、７……ロータ、８……ステータ、１０……外
輪止め、１３……ボルト、１５……本体、Ｄ１，
Ｄ２……内径、ｄ１，ｄ２……外径である。
FIG. 1 is a sectional view of a spindle head employing a spindle support structure according to an embodiment of the present invention, and FIG. 2 is a sectional view of a spindle head according to the prior art. In the drawings, 1... Main shaft, 2, 11... Bearing, 3,
4, 9... Labyrinth, 5, 12, 30... Bearing box, 7... Rotor, 8... Stator, 10... Outer ring stop, 13... Bolt, 15... Main body, D1,
D2...Inner diameter, d1, d2...Outer diameter.
Claims (1)
モータにより駆動回転される主軸と、前記モータ
のステータが取付けられ且つ前記ロータを挾んだ
前端側及び基端側がそれぞれ軸受を介して前記主
軸を回転自在に支持する工作機械の本体とを有す
る主軸支持構造において、前記前端側に位置する
軸受が取付けられる前記本体の軸受箱の内径を前
記ロータの外径より大きくしたことを特徴とする
主軸支持構造。 A main shaft to which a rotor constituting a motor is attached and driven and rotated by the motor, and a front end side and a base end side to which a stator of the motor is attached and which sandwich the rotor, respectively, are capable of freely rotating the main shaft via bearings. A main shaft support structure having a main body of a machine tool to be supported, characterized in that the inner diameter of a bearing box of the main body to which the bearing located on the front end side is attached is larger than the outer diameter of the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1191190U JPH03103103U (en) | 1990-02-13 | 1990-02-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1191190U JPH03103103U (en) | 1990-02-13 | 1990-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03103103U true JPH03103103U (en) | 1991-10-25 |
Family
ID=31515417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1191190U Pending JPH03103103U (en) | 1990-02-13 | 1990-02-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03103103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011148015A (en) * | 2010-01-19 | 2011-08-04 | Nsk Ltd | Main spindle device and machine tool with the same |
-
1990
- 1990-02-13 JP JP1191190U patent/JPH03103103U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011148015A (en) * | 2010-01-19 | 2011-08-04 | Nsk Ltd | Main spindle device and machine tool with the same |