JPS5471064A - Rolling mill with torque comparison control device - Google Patents

Rolling mill with torque comparison control device

Info

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
Application number
JP13761677A
Other languages
Japanese (ja)
Inventor
Hisashi Honjo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHI Corp
Original Assignee
IHI Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IHI Corp filed Critical IHI Corp
Priority to JP13761677A priority Critical patent/JPS5471064A/en
Publication of JPS5471064A publication Critical patent/JPS5471064A/en
Pending legal-status Critical Current

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
JP13761677A 1977-11-16 1977-11-16 Rolling mill with torque comparison control device Pending JPS5471064A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (10)

* Cited by examiner, † Cited by third party
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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