JPH0454301U - - Google Patents
Info
- Publication number
- JPH0454301U JPH0454301U JP9645890U JP9645890U JPH0454301U JP H0454301 U JPH0454301 U JP H0454301U JP 9645890 U JP9645890 U JP 9645890U JP 9645890 U JP9645890 U JP 9645890U JP H0454301 U JPH0454301 U JP H0454301U
- Authority
- JP
- Japan
- Prior art keywords
- servo valve
- cylinder
- pressure
- fluid pressure
- linear
- 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
- 239000012530 fluid Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Servomotors (AREA)
Description
第１図は本考案のリニアサーボバルブ制御装置
の概略構成図、第２図は第１図に示すリニアサー
ボバルブ制御装置のブロツク図、第３図は本考案
が実施されたタレツトパンチプレスの概略構成図
、第４図は従来のサーボバルブのスプール開度と
流量との間の不感帯説明図である。
１……タレツトパンチプレス、２３……ラム、
２５……リニアサーボバルブ制御装置、３９……
流体圧シリンダ、４１……リニアサーボバルブ、
４３……スプール、４５……リニアモータ、４７
……位置検出器、４９，５１……圧力検出器、５
３……制御回路、７５……位置アンプ、７７……
速度検出器、８１……力フイードバツク回路。
Fig. 1 is a schematic configuration diagram of the linear servo valve control device of the present invention, Fig. 2 is a block diagram of the linear servo valve control device shown in Fig. 1, and Fig. 3 is a diagram of a turret punch press in which the present invention is implemented. The schematic configuration diagram, FIG. 4, is an explanatory diagram of a dead zone between the spool opening degree and the flow rate of a conventional servo valve. 1...Turret punch press, 23...Rum,
25...Linear servo valve control device, 39...
Fluid pressure cylinder, 41...linear servo valve,
43...Spool, 45...Linear motor, 47
...Position detector, 49, 51 ...Pressure detector, 5
3...Control circuit, 75...Position amplifier, 77...
Speed detector, 81...force feedback circuit.
Claims (1)
体圧シリンダを作動せしめるサーボバルブと、こ
のサーボバルブのスプールを作動せしめるリニア
モータとからなるリニアサーボバルブと； 前記流体圧シリンダの作動位置を検出する位置
検出器と； 前記流体圧シリンダ内のピストンの前後圧力を
それぞれ検出する第１および第２圧力検出器と； 前記リニアモータを経て前記サーボバルブを制
御する際に前記第１および第２圧力検出器の圧力
差を力フイードバツクとして帰還する制御回路と
； を備えたことを特徴とするリニアサーボバルブ制
御装置。[Claims for Utility Model Registration] A linear servo valve consisting of a servo valve connected to a reciprocating fluid pressure cylinder and actuating the fluid pressure cylinder, and a linear motor actuating a spool of the servo valve; a position detector that detects the operating position of the cylinder; first and second pressure detectors that respectively detect the longitudinal pressure of the piston in the fluid pressure cylinder; A linear servo valve control device comprising: a control circuit that feeds back the pressure difference between the first and second pressure detectors as a force feedback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9645890U JPH0454301U (en) | 1990-09-17 | 1990-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9645890U JPH0454301U (en) | 1990-09-17 | 1990-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454301U true JPH0454301U (en) | 1992-05-11 |
Family
ID=31836016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9645890U Pending JPH0454301U (en) | 1990-09-17 | 1990-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012207747A (en) * | 2011-03-30 | 2012-10-25 | Azbil Corp | Positioner |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01252449A (en) * | 1987-08-10 | 1989-10-09 | Mannesmann Rexroth Gmbh | Travelling controller for two hydraulic cylinder |
-
1990
- 1990-09-17 JP JP9645890U patent/JPH0454301U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01252449A (en) * | 1987-08-10 | 1989-10-09 | Mannesmann Rexroth Gmbh | Travelling controller for two hydraulic cylinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012207747A (en) * | 2011-03-30 | 2012-10-25 | Azbil Corp | Positioner |
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