JPS62113808U - - Google Patents
Info
- Publication number
- JPS62113808U JPS62113808U JP118786U JP118786U JPS62113808U JP S62113808 U JPS62113808 U JP S62113808U JP 118786 U JP118786 U JP 118786U JP 118786 U JP118786 U JP 118786U JP S62113808 U JPS62113808 U JP S62113808U
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- command
- hydraulic
- outputs
- pressure reduction
- 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
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の圧延機油圧圧下制御装置の一
実施例を示す構成図、第２図はサーボ弁の非線形
性の説明図、第３図は本考案の一実施例による効
果を示す圧下系挙動の模式図である。
１…圧延材、２…ワークロール、３…バツクア
ツプロール、４…バツクチヨツク、５…油圧ジヤ
ツキ、６…ラム、７…位置検出装置、８…偏差演
算器、９…Ｄ／Ａ変換器、１０…電流変換器、１
１…電気油圧サーボ弁、１２…ポンプ、１３…作
動油、１４…カウンター、１５…タンク。
Fig. 1 is a block diagram showing an embodiment of the rolling mill hydraulic reduction control device of the present invention, Fig. 2 is an explanatory diagram of the nonlinearity of the servo valve, and Fig. 3 is a drawing showing the effect of an embodiment of the invention. It is a schematic diagram of system behavior. DESCRIPTION OF SYMBOLS 1... Rolled material, 2... Work roll, 3... Backup roll, 4... Back yock, 5... Hydraulic jack, 6... Ram, 7... Position detection device, 8... Deviation calculator, 9... D/A converter, 10 ...Current converter, 1
1...Electro-hydraulic servo valve, 12...Pump, 13...Hydraulic oil, 14...Counter, 15...Tank.
Claims (1)
つて圧下し、該油圧ジヤツキに送り込まれる作動
油の量をサーボ弁によつて加減して圧延ロールの
圧下量を調整する油圧圧下装置と、圧延ロール又
は油圧ジヤツキのラム位置或は圧延材の厚みを検
出する装置と、圧下指令を出力する指令装置の検
出信号とを比較して偏差信号を出力する装置と、
前記指令装置の指令出力と前記検出装置検出信号
とを比較して偏差信号を出力する装置とからなる
圧延機油圧圧下制御装置において、前記油圧圧下
装置の指令量の大きさあるいは、前記サーボ弁へ
の入力電流の大きさに対する非線形性を補正する
機能を前記制御装置に持たせた事を特長とする圧
延機油圧圧下制御装置。 A hydraulic rolling device that lowers a rolling roll of a rolling mill by operating a hydraulic jack, and adjusts the amount of rolling of the rolling roll by adjusting the amount of hydraulic oil sent to the hydraulic jack using a servo valve, and the rolling roll. or a device that detects the ram position of a hydraulic jack or the thickness of the rolled material and a device that outputs a deviation signal by comparing a detection signal of a command device that outputs a rolling reduction command;
In a rolling mill hydraulic pressure reduction control device comprising a device that compares a command output of the command device with a detection signal of the detection device and outputs a deviation signal, it is possible to control the magnitude of the command amount of the hydraulic pressure reduction device or the servo valve. A rolling mill hydraulic pressure reduction control device, characterized in that the control device has a function of correcting nonlinearity with respect to the magnitude of an input current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP118786U JPS62113808U (en) | 1986-01-10 | 1986-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP118786U JPS62113808U (en) | 1986-01-10 | 1986-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62113808U true JPS62113808U (en) | 1987-07-20 |
Family
ID=30778858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP118786U Pending JPS62113808U (en) | 1986-01-10 | 1986-01-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62113808U (en) |
-
1986
- 1986-01-10 JP JP118786U patent/JPS62113808U/ja active Pending
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