JPH0216207U - - Google Patents
Info
- Publication number
- JPH0216207U JPH0216207U JP9425988U JP9425988U JPH0216207U JP H0216207 U JPH0216207 U JP H0216207U JP 9425988 U JP9425988 U JP 9425988U JP 9425988 U JP9425988 U JP 9425988U JP H0216207 U JPH0216207 U JP H0216207U
- Authority
- JP
- Japan
- Prior art keywords
- roll
- control device
- rolling mill
- speed
- deformation resistance
- 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 7
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 1
Description
第１図は本考案に係る圧延機の制御装置の一実
施例の構成を示すブロツク図、第２図は他の実施
例の構成を示すブロツク図、第３図は従来の圧延
機の制御装置の構成を示すブロツク図、第４図は
被圧延材と上、下ロールとの関係を示す模式図、
第５図は圧延後の被圧延材の反りの状態を示す模
式図、第６図はオフセツト量とそり量との関係を
示すグラフ、第７図はロール速度差とそり量との
関係を示すグラフ、第８図は変形抵抗差比とそり
量との関係を示すグラフ、第９図はそり量を最低
とするオフセツト量とロール速度差との関係を示
すグラフ、第１０図は変形抵抗差比とロール速度
差との関係を示すグラフである。
１…圧延機、１ａ…上ロール、１ｂ…下ロール
、２…被圧延材、１０…ずれ量設定回路、１１…
速度補正回路、１２…変形抵抗差比設定回路、Ｄ
…オフセツト量、Ｖｄ…ロール速度差、ｒ…変形
抵抗差比。
FIG. 1 is a block diagram showing the configuration of one embodiment of a rolling mill control device according to the present invention, FIG. 2 is a block diagram showing the configuration of another embodiment, and FIG. 3 is a conventional rolling mill control device. FIG. 4 is a schematic diagram showing the relationship between the rolled material and the upper and lower rolls.
Fig. 5 is a schematic diagram showing the state of warpage of the rolled material after rolling, Fig. 6 is a graph showing the relationship between the offset amount and the amount of warpage, and Fig. 7 shows the relationship between the roll speed difference and the amount of warpage. Graph, Figure 8 is a graph showing the relationship between the deformation resistance difference ratio and the amount of warpage, Figure 9 is a graph showing the relationship between the offset amount that minimizes the amount of warpage and the roll speed difference, and Figure 10 is the graph showing the relationship between the deformation resistance difference ratio and the amount of warpage. It is a graph showing the relationship between the ratio and the roll speed difference. DESCRIPTION OF SYMBOLS 1... Rolling machine, 1a... Upper roll, 1b... Lower roll, 2... Rolled material, 10... Displacement amount setting circuit, 11...
Speed correction circuit, 12... Deformation resistance difference ratio setting circuit, D
...offset amount, Vd...roll speed difference, r...deformation resistance difference ratio.
Claims (1)
ールの速度を制御する圧延機の制御装置において
、 前記上ロールと下ロールとの間隙の中心位置と
、前記被圧延材の入側での厚み方向の中心位置と
のずれ量に応じて、前記上ロール及び／又は下ロ
ールの速度を補正する手段を備えることを特徴と
する圧延機の制御装置。 ２ さらに前記被圧延材の両面の変形抵抗差を演
算する手段と、該手段により演算された前記変形
抵抗差に応じて、前記上ロール及び／又は下ロー
ルの速度を補正する手段とを備えることを特徴と
する請求項１記載の圧延機の制御装置。[Claims for Utility Model Registration] 1. A control device for a rolling mill that controls the speed of a pair of upper rolls and lower rolls that roll a material to be rolled, the center position of the gap between the upper roll and the lower roll, and the A control device for a rolling mill, comprising means for correcting the speed of the upper roll and/or the lower roll according to the amount of deviation from the center position in the thickness direction on the entry side of the rolled material. 2. Further comprising means for calculating a deformation resistance difference between both sides of the rolled material, and means for correcting the speed of the upper roll and/or lower roll according to the deformation resistance difference calculated by the means. The control device for a rolling mill according to claim 1, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9425988U JPH0216207U (en) | 1988-07-15 | 1988-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9425988U JPH0216207U (en) | 1988-07-15 | 1988-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0216207U true JPH0216207U (en) | 1990-02-01 |
Family
ID=31318763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9425988U Pending JPH0216207U (en) | 1988-07-15 | 1988-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0216207U (en) |
-
1988
- 1988-07-15 JP JP9425988U patent/JPH0216207U/ja active Pending
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