JPS56163014A - Controlling method for tension of continuous rolling mill - Google Patents

Controlling method for tension of continuous rolling mill

Info

Publication number
JPS56163014A
JPS56163014A JP6756280A JP6756280A JPS56163014A JP S56163014 A JPS56163014 A JP S56163014A JP 6756280 A JP6756280 A JP 6756280A JP 6756280 A JP6756280 A JP 6756280A JP S56163014 A JPS56163014 A JP S56163014A
Authority
JP
Japan
Prior art keywords
tension
stands
couple
interstand
stand
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.)
Granted
Application number
JP6756280A
Other languages
Japanese (ja)
Other versions
JPS6057403B2 (en
Inventor
Toshihiro Oka
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP55067562A priority Critical patent/JPS6057403B2/en
Publication of JPS56163014A publication Critical patent/JPS56163014A/en
Publication of JPS6057403B2 publication Critical patent/JPS6057403B2/en
Expired 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 more exactly control the interstand tension, by obtaining an actual interstand tension between a couple of adjoining rolling stands by subtracting a tension component, to be influential to the said couple of stands, of the interstand tension of an upstream couple of stands and the interstand tension of a downstream couple of stands, from the interstand tension of the said couple of stands.
CONSTITUTION: Under a condition that a rolled material is bitten by all rolling stands, the forward tension FN of the N-th stand, that is the interstand tension between the (N+1)th stand and the N-th stand, is obtained from an equation I. A tension component to be generated between a former couple of stands is obtained for every couple of all stands biting the material, and the tension FN caused by an unbalance of rotational frequencies between the couple of stands concerned is only obtained. By controlling the separately obtained interstand unbalance of rotational frequencies (RPM), the interstand tension is controlled to the amied value FN.
COPYRIGHT: (C)1981,JPO&Japio
JP55067562A 1980-05-21 1980-05-21 Tension control method for continuous rolling mill Expired JPS6057403B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55067562A JPS6057403B2 (en) 1980-05-21 1980-05-21 Tension control method for continuous rolling mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55067562A JPS6057403B2 (en) 1980-05-21 1980-05-21 Tension control method for continuous rolling mill

Publications (2)

Publication Number Publication Date
JPS56163014A true JPS56163014A (en) 1981-12-15
JPS6057403B2 JPS6057403B2 (en) 1985-12-14

Family

ID=13348515

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55067562A Expired JPS6057403B2 (en) 1980-05-21 1980-05-21 Tension control method for continuous rolling mill

Country Status (1)

Country Link
JP (1) JPS6057403B2 (en)

Also Published As

Publication number Publication date
JPS6057403B2 (en) 1985-12-14

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