JPH0329243U - - Google Patents
Info
- Publication number
- JPH0329243U JPH0329243U JP9029689U JP9029689U JPH0329243U JP H0329243 U JPH0329243 U JP H0329243U JP 9029689 U JP9029689 U JP 9029689U JP 9029689 U JP9029689 U JP 9029689U JP H0329243 U JPH0329243 U JP H0329243U
- Authority
- JP
- Japan
- Prior art keywords
- nut member
- linear guide
- attached
- parallel plates
- screw
- 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
- 230000002706 hydrostatic effect Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Description
第１図は本考案の説明縦断面図、第２図は同説
明横断面図である。
３……テーブル、４……ボールねじ、９……ナ
ツト、１０……ナツトハウジング、１２ａ，１２
ｂ……静圧ポツト、１５ａ，１５ｂ……直線案内
軸受、１６……平行直線案内板。
FIG. 1 is an explanatory longitudinal cross-sectional view of the present invention, and FIG. 2 is an explanatory cross-sectional view thereof. 3...Table, 4...Ball screw, 9...Nut, 10...Nut housing, 12a, 12
b...static pressure pot, 15a, 15b...linear guide bearing, 16...parallel linear guide plate.
Claims (1)
材をテーブルから切り離して、テーブルに取付け
た平行板でナツト部材を送りねじ軸方向に挟持し
、ナツト部材両端と平行板との間にそれぞれ静圧
軸受を形成し、前記ナツト部材は送りねじと平行
な固定直線案内面で案内される直動案内軸受部材
に取付けられてなり、テーブルにはスラスト方向
の力のみが伝達されることを特徴とするテーブル
の駆動装置。 In the drive mechanism of the screw feed table, the nut member is separated from the table, and the nut member is held in the axial direction of the feed screw by parallel plates attached to the table, and hydrostatic bearings are formed between both ends of the nut member and the parallel plates. , wherein the nut member is attached to a linear guide bearing member guided by a fixed linear guide surface parallel to the feed screw, and only force in the thrust direction is transmitted to the table. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9029689U JPH0329243U (en) | 1989-07-31 | 1989-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9029689U JPH0329243U (en) | 1989-07-31 | 1989-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0329243U true JPH0329243U (en) | 1991-03-22 |
Family
ID=31639824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9029689U Pending JPH0329243U (en) | 1989-07-31 | 1989-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0329243U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS624540A (en) * | 1985-07-02 | 1987-01-10 | Citizen Watch Co Ltd | Table mechanism |
-
1989
- 1989-07-31 JP JP9029689U patent/JPH0329243U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS624540A (en) * | 1985-07-02 | 1987-01-10 | Citizen Watch Co Ltd | Table mechanism |
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