EP0937518A3 - Rolling method for at least a first and a second rolled strand - Google Patents

Rolling method for at least a first and a second rolled strand Download PDF

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Publication number
EP0937518A3
EP0937518A3 EP99103085A EP99103085A EP0937518A3 EP 0937518 A3 EP0937518 A3 EP 0937518A3 EP 99103085 A EP99103085 A EP 99103085A EP 99103085 A EP99103085 A EP 99103085A EP 0937518 A3 EP0937518 A3 EP 0937518A3
Authority
EP
European Patent Office
Prior art keywords
rolling
einem
walzgerüst
cores
rolled
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.)
Withdrawn
Application number
EP99103085A
Other languages
German (de)
French (fr)
Other versions
EP0937518A2 (en
Inventor
Uwe Dipl.-Ing. Plociennik
Hans-Erich Dipl.-Ing. Schneider
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.)
SMS Siemag AG
Original Assignee
SMS Demag 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 SMS Demag AG filed Critical SMS Demag AG
Publication of EP0937518A2 publication Critical patent/EP0937518A2/en
Publication of EP0937518A3 publication Critical patent/EP0937518A3/en
Withdrawn legal-status Critical Current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
    • B21B41/00—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters
    • B21B41/12—Arrangements of interest only with respect to provision for indicating or controlling operations
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2273/00—Path parameters
    • B21B2273/20—Track of product

Landscapes

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

Abstract

Die vorliegende Erfindung betrifft ein Walzverfahren für mindestens eine erste und eine zweite Walzader (1, 2),

  • wobei die Walzadern (1, 2) zunächst in einem gemeinsamen Walzgerüst (4) mit einer Walzgeschwindigkeit (v) mehradrig gewalzt werden, sodann vereinzelt werden und schließlich in je einem eigenen Walzgerüst (5) einadrig gewalzt werden,
  • wobei von jeder Walzader (1, 2) vor ihrem eigenen Walzgerüst (5) eine Schlinge (8) mit einer Schlingenlänge (L) gebildet wird, die zwischen einem Minimalwert und einem Maximalwert (Lmax) variieren kann.
The invention relates to a rolling method for at least a first and a second rolling core (1, 2),
  • the rolling cores (1, 2) are first rolled in a common rolling stand (4) at a rolling speed (v) with multiple cores, then they are separated and finally each is rolled in a separate rolling stand (5),
  • wherein each roll core (1, 2) in front of its own roll stand (5) forms a loop (8) with a loop length (L) that can vary between a minimum value and a maximum value (L max ).

Erfindungsgemäß wird vor bekannten Ereignissen, die zu einer Veränderung der Walzgeschwindigkeit (v) führen, die Schlingenlänge (L) der Walzadern (1, 2) auf einen ereignisoptimierten Wert eingestellt.

Figure 00000001
According to the invention, prior to known events which lead to a change in the rolling speed (v), the loop length (L) of the rolling cores (1, 2) is set to an event-optimized value.
Figure 00000001
EP99103085A 1998-02-23 1999-02-17 Rolling method for at least a first and a second rolled strand Withdrawn EP0937518A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19807559 1998-02-23
DE19807559A DE19807559A1 (en) 1998-02-23 1998-02-23 Rolling process for at least a first and a second roll core

Publications (2)

Publication Number Publication Date
EP0937518A2 EP0937518A2 (en) 1999-08-25
EP0937518A3 true EP0937518A3 (en) 2002-11-27

Family

ID=7858652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99103085A Withdrawn EP0937518A3 (en) 1998-02-23 1999-02-17 Rolling method for at least a first and a second rolled strand

Country Status (4)

Country Link
US (1) US6128938A (en)
EP (1) EP0937518A3 (en)
JP (1) JPH11314108A (en)
DE (1) DE19807559A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6708077B2 (en) * 2002-08-16 2004-03-16 General Electric Company Furnace pacing for multistrand mill

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178116A (en) * 1983-03-25 1984-10-09 Toshiba Corp Method for controlling loop in rolling installation
JPS6061111A (en) * 1983-09-12 1985-04-08 Toshiba Corp Control equipment of rolling mill for wire rod
JPS6092009A (en) * 1983-10-25 1985-05-23 Toshiba Corp Loop position controlling method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1808822B2 (en) * 1968-11-14 1973-04-05 Moeller & Neumann Gmbh, 6670 St. Ingbert CONTINUOUS MULTI-CORED ROLLING MILL FOR THE PRODUCTION OF ROD-SHAPED ROLLED MATERIAL, IN PARTICULAR OF WIRE IN LARGE COIL WEIGHTS
US3811304A (en) * 1972-09-20 1974-05-21 Gen Electric Looper controlled rolling mill
US5174142A (en) * 1991-08-16 1992-12-29 Pong David T Method and apparatus for guiding a rod to a slitter station

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178116A (en) * 1983-03-25 1984-10-09 Toshiba Corp Method for controlling loop in rolling installation
JPS6061111A (en) * 1983-09-12 1985-04-08 Toshiba Corp Control equipment of rolling mill for wire rod
JPS6092009A (en) * 1983-10-25 1985-05-23 Toshiba Corp Loop position controlling method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 034 (M - 357) 14 February 1985 (1985-02-14) *
PATENT ABSTRACTS OF JAPAN vol. 009, no. 194 (M - 403) 10 August 1985 (1985-08-10) *
PATENT ABSTRACTS OF JAPAN vol. 009, no. 235 (M - 415) 21 September 1985 (1985-09-21) *

Also Published As

Publication number Publication date
EP0937518A2 (en) 1999-08-25
JPH11314108A (en) 1999-11-16
DE19807559A1 (en) 1999-08-26
US6128938A (en) 2000-10-10

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