JPS6440109A - Device for controlling tension - Google Patents

Device for controlling tension

Info

Publication number
JPS6440109A
JPS6440109A JP62196399A JP19639987A JPS6440109A JP S6440109 A JPS6440109 A JP S6440109A JP 62196399 A JP62196399 A JP 62196399A JP 19639987 A JP19639987 A JP 19639987A JP S6440109 A JPS6440109 A JP S6440109A
Authority
JP
Japan
Prior art keywords
stand
rolling
stock
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
Application number
JP62196399A
Other languages
Japanese (ja)
Inventor
Yoji Yamashita
Kiyoshi Hitomi
Shigeyuki Komatsu
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.)
JFE Steel Corp
Toshiba Corp
Original Assignee
Toshiba Corp
Kawasaki Steel 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 Toshiba Corp, Kawasaki Steel Corp filed Critical Toshiba Corp
Priority to JP62196399A priority Critical patent/JPS6440109A/en
Publication of JPS6440109A publication Critical patent/JPS6440109A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/48—Tension control; Compression control
    • B21B37/52—Tension control; Compression control by drive motor control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

PURPOSE:To bring a tension of a rolled stock to be constant by providing a rolling mill with detection means of rolling loads and temps. of the stock and installing a signal delaying means and correcting a stand speed based on variance in a advancing and a backing ratios of the stock. CONSTITUTION:The (i-1) and (i) stands are provided with rolling load gages 3, 6 and delaying circuits 5, 8 of detected signals are installed, respectively. After the top of a rolled stock 1 is bitten by (i-1) stand Si-1, an average load is found based on detected loads of the gage 3 for a distance until the vicinity of the (i) stand and a rolling load after biting by the (i) stand is shifted by the delay circuit 5. In the same manner, the circuit 8 is actuated at the (i) stand so as to sequentially correct rolling speed of the (i) stand by speed correction circuits 9, 10. A tension of the stock 1 is held to be constant because rolling speeds are feedforward controlled based on variance in an advancing and a backing ratios.
JP62196399A 1987-08-07 1987-08-07 Device for controlling tension Pending JPS6440109A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62196399A JPS6440109A (en) 1987-08-07 1987-08-07 Device for controlling tension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62196399A JPS6440109A (en) 1987-08-07 1987-08-07 Device for controlling tension

Publications (1)

Publication Number Publication Date
JPS6440109A true JPS6440109A (en) 1989-02-10

Family

ID=16357219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62196399A Pending JPS6440109A (en) 1987-08-07 1987-08-07 Device for controlling tension

Country Status (1)

Country Link
JP (1) JPS6440109A (en)

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