JPS5727856A - Winding tension control method in hot strip mill - Google Patents
Winding tension control method in hot strip millInfo
- Publication number
- JPS5727856A JPS5727856A JP10392480A JP10392480A JPS5727856A JP S5727856 A JPS5727856 A JP S5727856A JP 10392480 A JP10392480 A JP 10392480A JP 10392480 A JP10392480 A JP 10392480A JP S5727856 A JPS5727856 A JP S5727856A
- Authority
- JP
- Japan
- Prior art keywords
- output
- pinch roll
- stand
- tension
- speed
- 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
Abstract
PURPOSE: To avoid losing tension balance at time of passing through a stand by degrading a speed command to a pinch roll driving motor in a ramp, when the tail edge of a strip to be wound on a coiler passes through the uppermost stand for adjusting tension.
CONSTITUTION: A pinch roll droop DR is multiplied 1 by a current IP (tension set value), and the output is applied to a ramp function generator 3 through a switch 2 which is closed on condition that the tail edge of a strip passes through an upperstream stand. After the speed bias Δu obtained here is subject to speed command processing 4 with a line synchronous velocity set value SL, the result is added to the output of a rotational frequency detector 7 of a top pinch roll motor 6 and an armature current value If detected by a current transformer 8. The result of the processing is output as a command value to an automatic speed regulator 9, and according to the output of the regulator 9, pinch roll motors 6, 14 located at the top and bottom are driven through an ignition signal generator 12 and a thyristor converter 1.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10392480A JPS5727856A (en) | 1980-07-29 | 1980-07-29 | Winding tension control method in hot strip mill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10392480A JPS5727856A (en) | 1980-07-29 | 1980-07-29 | Winding tension control method in hot strip mill |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5727856A true JPS5727856A (en) | 1982-02-15 |
Family
ID=14366969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10392480A Pending JPS5727856A (en) | 1980-07-29 | 1980-07-29 | Winding tension control method in hot strip mill |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5727856A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106825062A (en) * | 2017-04-25 | 2017-06-13 | 山东钢铁集团日照有限公司 | It is a kind of to prevent hot-continuous-rolling strip steel from batching the method for drawing steel |
CN107716559A (en) * | 2017-09-26 | 2018-02-23 | 北京首钢自动化信息技术有限公司 | A kind of control method for preventing twin pressure roller gateway tension variation excessive |
-
1980
- 1980-07-29 JP JP10392480A patent/JPS5727856A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106825062A (en) * | 2017-04-25 | 2017-06-13 | 山东钢铁集团日照有限公司 | It is a kind of to prevent hot-continuous-rolling strip steel from batching the method for drawing steel |
CN107716559A (en) * | 2017-09-26 | 2018-02-23 | 北京首钢自动化信息技术有限公司 | A kind of control method for preventing twin pressure roller gateway tension variation excessive |
CN107716559B (en) * | 2017-09-26 | 2019-03-01 | 北京首钢自动化信息技术有限公司 | A kind of control method for preventing twin pressure roller entrance tension variation excessive |
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