JPS6435165A - Feed screw - Google Patents
Feed screwInfo
- Publication number
- JPS6435165A JPS6435165A JP62189713A JP18971387A JPS6435165A JP S6435165 A JPS6435165 A JP S6435165A JP 62189713 A JP62189713 A JP 62189713A JP 18971387 A JP18971387 A JP 18971387A JP S6435165 A JPS6435165 A JP S6435165A
- Authority
- JP
- Japan
- Prior art keywords
- nuts
- movable stage
- accuracy
- control circuit
- pressure sensor
- 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
- Transmission Devices (AREA)
Abstract
PURPOSE:To perform positioning in a short time with a high degree of accuracy by deforming a resilint deformable member between first and second nuts in accordance with an external signal which is produced in response to the movement of a movable member, so that different pressurizing forces and/or directions may be exerted to the nuts. CONSTITUTION:A subnut 6 is attached to a main nut 4 provided on movable stage 3, through the intermediary of a piezoelectric actuator 8, a pressure sensor 9 and a leaf spring 5, and is screwed onto a feed screw 2. A control circuit 20 receives signals from a pressure sensor 9 and an accelerometer 10, and computes precise positioning data of the movable stage 3 so as to drive a servomotor 1. Further, the control circuit 20 delivers data for controlling at least one of the degree of pressing force between both nuts 4, 6 and the direction thereof in accordance with an inertia force during deceleration, to the acruator 8. Accordingly, it is possible to position the movable stage 3 in a short time with a high degree of accuracy.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62189713A JPS6435165A (en) | 1987-07-29 | 1987-07-29 | Feed screw |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62189713A JPS6435165A (en) | 1987-07-29 | 1987-07-29 | Feed screw |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6435165A true JPS6435165A (en) | 1989-02-06 |
Family
ID=16245949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62189713A Pending JPS6435165A (en) | 1987-07-29 | 1987-07-29 | Feed screw |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6435165A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007522403A (en) * | 2004-02-13 | 2007-08-09 | ヴィッテンシュタイン アーゲー | Rack and pinion linear drive |
JP2009086472A (en) * | 2007-10-02 | 2009-04-23 | Funai Electric Co Ltd | Imaging apparatus |
CN113021053A (en) * | 2021-03-15 | 2021-06-25 | 大连理工大学 | Self-healing test device and method for precision of feeding shaft of numerical control machine tool |
-
1987
- 1987-07-29 JP JP62189713A patent/JPS6435165A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007522403A (en) * | 2004-02-13 | 2007-08-09 | ヴィッテンシュタイン アーゲー | Rack and pinion linear drive |
JP2009086472A (en) * | 2007-10-02 | 2009-04-23 | Funai Electric Co Ltd | Imaging apparatus |
CN113021053A (en) * | 2021-03-15 | 2021-06-25 | 大连理工大学 | Self-healing test device and method for precision of feeding shaft of numerical control machine tool |
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