JPS5471064A - Rolling mill with torque comparison control device - Google Patents
Rolling mill with torque comparison control deviceInfo
- Publication number
- JPS5471064A JPS5471064A JP13761677A JP13761677A JPS5471064A JP S5471064 A JPS5471064 A JP S5471064A JP 13761677 A JP13761677 A JP 13761677A JP 13761677 A JP13761677 A JP 13761677A JP S5471064 A JPS5471064 A JP S5471064A
- Authority
- JP
- Japan
- Prior art keywords
- torque
- motor
- signal
- speed setting
- 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
Landscapes
- Control Of Metal Rolling (AREA)
- Control Of Multiple Motors (AREA)
Abstract
PURPOSE: To prevent the generation of successive torque through control of overload distribution of the working roll by setting speed for only one of upper and lower drive motors with a speed setting circuit while the other drive motor is driven at a proper torque ratio with respect to the motor on the speed setting side with a comparison adder.
CONSTITUTION: One of drive motors 3 and 4 for upper and lower working rolls 1 and 2 (for example, 3) is controlled through a speed setting by a signal obtained after a signal from a speed setting device 5 and a signal from a speed detector 6 mounted to the motor 3 are processed by an adder-subtractor 7. A torque comparison adder 8 provided on the other drive motor 4 compare reduction force signal 10 from a load cell 9 mounted to a roll 1, a torque signals 11 and 12 of the motors 3 and 4 and a signal from a torque setting device 13. With such a arrangement, the motor 4 is controlled to maintain a torque ratio specified with respect to the torque of the motor on the speed setting side.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13761677A JPS5471064A (en) | 1977-11-16 | 1977-11-16 | Rolling mill with torque comparison control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13761677A JPS5471064A (en) | 1977-11-16 | 1977-11-16 | Rolling mill with torque comparison control device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5471064A true JPS5471064A (en) | 1979-06-07 |
Family
ID=15202832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13761677A Pending JPS5471064A (en) | 1977-11-16 | 1977-11-16 | Rolling mill with torque comparison control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5471064A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2504034A1 (en) * | 1981-04-15 | 1982-10-22 | Westinghouse Electric Corp | Axle breakage detector for twin drive reversing mill - has detectors for differential current, couple and speed of drive motors to determine critical imbalance |
WO2009057820A1 (en) | 2007-11-02 | 2009-05-07 | Nippon Steel Corporation | Strip rolling mill and its control method |
JP2010253515A (en) * | 2009-04-27 | 2010-11-11 | Nippon Steel Corp | Plate rolling mill and method of controlling the same |
JP2010260075A (en) * | 2009-05-01 | 2010-11-18 | Nippon Steel Corp | Plate rolling mill and method for controlling the same |
JP2010260066A (en) * | 2009-04-30 | 2010-11-18 | Nippon Steel Corp | Plate rolling mill and control method thereof |
JP2010260067A (en) * | 2009-04-30 | 2010-11-18 | Nippon Steel Corp | Plate rolling mill and its control method |
-
1977
- 1977-11-16 JP JP13761677A patent/JPS5471064A/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2504034A1 (en) * | 1981-04-15 | 1982-10-22 | Westinghouse Electric Corp | Axle breakage detector for twin drive reversing mill - has detectors for differential current, couple and speed of drive motors to determine critical imbalance |
WO2009057820A1 (en) | 2007-11-02 | 2009-05-07 | Nippon Steel Corporation | Strip rolling mill and its control method |
JP4538088B2 (en) * | 2007-11-02 | 2010-09-08 | 新日本製鐵株式会社 | Plate rolling machine and control method thereof |
JPWO2009057820A1 (en) * | 2007-11-02 | 2011-03-17 | 新日本製鐵株式会社 | Plate rolling machine and control method thereof |
KR101214348B1 (en) * | 2007-11-02 | 2012-12-20 | 신닛테츠스미킨 카부시키카이샤 | Strip rolling mill and its control method |
US8720242B2 (en) | 2007-11-02 | 2014-05-13 | Nippon Steel & Sumitomo Metal Corporation | Rolling mill for a plate or a sheet and its control technique |
JP2010253515A (en) * | 2009-04-27 | 2010-11-11 | Nippon Steel Corp | Plate rolling mill and method of controlling the same |
JP2010260066A (en) * | 2009-04-30 | 2010-11-18 | Nippon Steel Corp | Plate rolling mill and control method thereof |
JP2010260067A (en) * | 2009-04-30 | 2010-11-18 | Nippon Steel Corp | Plate rolling mill and its control method |
JP2010260075A (en) * | 2009-05-01 | 2010-11-18 | Nippon Steel Corp | Plate rolling mill and method for controlling the same |
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