JPH0228308U - - Google Patents
Info
- Publication number
- JPH0228308U JPH0228308U JP10590288U JP10590288U JPH0228308U JP H0228308 U JPH0228308 U JP H0228308U JP 10590288 U JP10590288 U JP 10590288U JP 10590288 U JP10590288 U JP 10590288U JP H0228308 U JPH0228308 U JP H0228308U
- Authority
- JP
- Japan
- Prior art keywords
- rolling mill
- hydraulic
- control device
- current
- rolling
- 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 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
Description
第１図はないし第３図は、本考案の一実施例の
説明図、第４図ないし第７図は従来方法の説明図
を示す。
１Ｗ，１Ｄ…引算器、２Ｗ，２Ｄ…可変増幅器
、３Ｗ，３Ｄ…リミツタ、４Ｗ，４Ｄ…サーボア
ンプ、５Ｗ，５Ｄ…電油サーボ弁、６Ｗ，６Ｄ…
位置検出器、７Ｗ，７Ｄ…油圧ジヤツキシリンダ
、８Ｗ，８Ｄ…油圧ジヤツキラム、９Ｗ，９Ｄ，
１５，１６…油圧配管、１７…圧油ポンプ、１８
…圧油タンク、１０…下バツクアツプロール、１
１…下作業ロール。
1 to 3 are explanatory diagrams of an embodiment of the present invention, and FIGS. 4 to 7 are explanatory diagrams of a conventional method. 1W, 1D...Subtractor, 2W, 2D...Variable amplifier, 3W, 3D...Limiter, 4W, 4D...Servo amplifier, 5W, 5D...Electro-hydraulic servo valve, 6W, 6D...
Position detector, 7W, 7D...Hydraulic jack cylinder, 8W, 8D...Hydraulic jack ram, 9W, 9D,
15, 16...Hydraulic piping, 17...Pressure oil pump, 18
...Pressure oil tank, 10...Lower backup roll, 1
1... Lower work roll.
Claims (1)
、指令位置に早く追従している側の電油サーボ弁
の電流リミツト値を小さくすることにより自動的
に前記圧延機の前記操作側と前記駆動側の位置偏
差が等しくなるように制御して、圧下のレベルの
狂いを無くす機能を備えたことを特徴とする油圧
圧下制御装置。[Scope of Claim for Utility Model Registration] In a hydraulic reduction control device for a rolling mill, the current of the electro-hydraulic servo valve on the side that follows the command position faster among the current positions on the operation side and drive side of the rolling mill. A hydraulic system characterized by having a function of automatically controlling the positional deviation between the operating side and the driving side of the rolling mill to be equal by reducing a limit value, thereby eliminating deviations in the rolling reduction level. Pressure control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10590288U JPH0228308U (en) | 1988-08-12 | 1988-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10590288U JPH0228308U (en) | 1988-08-12 | 1988-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0228308U true JPH0228308U (en) | 1990-02-23 |
Family
ID=31338931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10590288U Pending JPH0228308U (en) | 1988-08-12 | 1988-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0228308U (en) |
-
1988
- 1988-08-12 JP JP10590288U patent/JPH0228308U/ja active Pending
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