EP0056438A3 - Speed controlling device in multiple loop-controlled continuous mill trains - Google Patents

Speed controlling device in multiple loop-controlled continuous mill trains Download PDF

Info

Publication number
EP0056438A3
EP0056438A3 EP81108724A EP81108724A EP0056438A3 EP 0056438 A3 EP0056438 A3 EP 0056438A3 EP 81108724 A EP81108724 A EP 81108724A EP 81108724 A EP81108724 A EP 81108724A EP 0056438 A3 EP0056438 A3 EP 0056438A3
Authority
EP
European Patent Office
Prior art keywords
framework
output
sections
value
ramp
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
EP81108724A
Other languages
German (de)
Other versions
EP0056438B1 (en
EP0056438A2 (en
Inventor
Roland Weber
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to AT81108724T priority Critical patent/ATE18950T1/en
Publication of EP0056438A2 publication Critical patent/EP0056438A2/en
Publication of EP0056438A3 publication Critical patent/EP0056438A3/en
Application granted granted Critical
Publication of EP0056438B1 publication Critical patent/EP0056438B1/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
    • B21B37/50—Tension control; Compression control by looper control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B21B1/18—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B2013/006—Multiple strand rolling mills; Mill stands with multiple caliber rolls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Control Of Multiple Motors (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Metal Rolling (AREA)
  • Liquid Crystal Substances (AREA)
  • Advancing Webs (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)

Abstract

1. A device for regulating the speed in continuous mill trains, in which the rolling stock is divided into two or more sections and wherein each framework, through which one of the sections passes, is assigned a loop regulator whose output value is conducted to the speed regulator as a guide value to drive the assigned framework characterised in that the output of the loop regulator (15) assigned to the output framework (6, 11) is connected to a ramp-function generator (18) having storage properties, and a difference forming device (19) evaluates the difference between the guide value (W) of the output framework (6, 11) and the output value of the ramp-function generator (18), which is fed as an additional theoretical value (n*-z ) to the speed regulators (14) of the frameworks (2 to 6 and 7 to 11) through which the individual sections (I and II) pass, where the guide value (W) of the output framework (6, 11) is fed to the difference forming device (19) directly, and is fed to the ramp-function generator (18) via a switch (17) which is closed from the entry of the sections (I and II) into the output framework (6, 11) until the emergence of the end of the section from the last framework (1) common to all the sections.
EP81108724A 1981-01-19 1981-10-22 Speed controlling device in multiple loop-controlled continuous mill trains Expired EP0056438B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81108724T ATE18950T1 (en) 1981-01-19 1981-10-22 DEVICE FOR SPEED CONTROL IN A MULTI-WIRE, LOOP-CONTROLLED CONTINUOUS LINE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3101512 1981-01-19
DE19813101512 DE3101512A1 (en) 1981-01-19 1981-01-19 DEVICE FOR SPEED CONTROL IN A MULTI-WIRE, LOOP-CONTROLLED CONTINUE ROAD

Publications (3)

Publication Number Publication Date
EP0056438A2 EP0056438A2 (en) 1982-07-28
EP0056438A3 true EP0056438A3 (en) 1983-08-31
EP0056438B1 EP0056438B1 (en) 1986-04-02

Family

ID=6122884

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81108724A Expired EP0056438B1 (en) 1981-01-19 1981-10-22 Speed controlling device in multiple loop-controlled continuous mill trains

Country Status (5)

Country Link
EP (1) EP0056438B1 (en)
AT (1) ATE18950T1 (en)
DE (2) DE3101512A1 (en)
ES (1) ES508834A0 (en)
PT (1) PT74298B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4232685A1 (en) * 1992-09-29 1994-03-31 Siemens Ag Device for regulating the speeds of the rolls of a rolling mill

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BROWN BOVERI MITTEILUNG Nr. 2/3, 1972, H. WALKNER "Digitale Sollwertvorgabe, Schlingenregelung und Folgesteuerung bei kontinuierlichen Walzstra~en" Seiten 109-112 *
SIEMENS-ZEITSCHRIFT; Nr. 47, 1973, Beiheft "Antriebstechnik und Proze~automatisierung in Hütten- und Walzwerken"; P. WALGENBACH "Elektrische Ausrüstung an Feinstahl- und Drahtstra~en", Seiten 115-119 *

Also Published As

Publication number Publication date
DE3174254D1 (en) 1986-05-07
DE3101512A1 (en) 1982-08-26
ES8301685A1 (en) 1983-01-01
PT74298A (en) 1982-02-01
EP0056438B1 (en) 1986-04-02
EP0056438A2 (en) 1982-07-28
PT74298B (en) 1983-08-23
ATE18950T1 (en) 1986-04-15
ES508834A0 (en) 1983-01-01

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