JPS5691909A - Continuous rolling method for steel bar - Google Patents

Continuous rolling method for steel bar

Info

Publication number
JPS5691909A
JPS5691909A JP17014379A JP17014379A JPS5691909A JP S5691909 A JPS5691909 A JP S5691909A JP 17014379 A JP17014379 A JP 17014379A JP 17014379 A JP17014379 A JP 17014379A JP S5691909 A JPS5691909 A JP S5691909A
Authority
JP
Japan
Prior art keywords
ingot
loop
casting machine
mill
continuous casting
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
JP17014379A
Other languages
Japanese (ja)
Inventor
Isamu Eguchi
Shigeru Katsumata
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.)
IZUMI DENKI KOGYO KK
Daido Steel Co Ltd
Original Assignee
IZUMI DENKI KOGYO KK
Daido Steel Co Ltd
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 IZUMI DENKI KOGYO KK, Daido Steel Co Ltd filed Critical IZUMI DENKI KOGYO KK
Priority to JP17014379A priority Critical patent/JPS5691909A/en
Publication of JPS5691909A publication Critical patent/JPS5691909A/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
    • 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
    • B21B1/46—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 metal immediately subsequent to continuous casting
    • B21B1/463—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 metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling

Abstract

PURPOSE:To arrange the continuous casting line and the continuous rolling line in series, by connecting the roughing mill, plural intermediate mills, and the finishing mill to the continuous casting machine, by feeding the continuously cast, unsplit ingot to the rolling line provided with a loop between the roughing mill and the finishing mill, and by controlling the amount of this loop according to the drawing speed of the cast ingot from the casting machine. CONSTITUTION:The continuously cast ingot 9, drawn out of the continuous casting machine 1, is rough rolled by the roughing mill 6; this rough rolled ingot 10 is slackened at a loop 11, and is continuously rolled by the intermediate mills 7 and the finishing mill 8; hereby, the product steel bar 12 is obtained. By arranging this loop 11, such troubles as an excessive tension loaded on the continuously cast ingot 9 or the rough rolled billet 10, or the breakage of the ingot 9 or 10, can be prevented. Moreover, the amount of the loop is kept within a specified range by adjusting the drawing speed of the continuously cast ingot from the casting machine, the speed of the rolling mill, or the feeding rate for molten metal to the continuous casting machine 4.
JP17014379A 1979-12-25 1979-12-25 Continuous rolling method for steel bar Pending JPS5691909A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17014379A JPS5691909A (en) 1979-12-25 1979-12-25 Continuous rolling method for steel bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17014379A JPS5691909A (en) 1979-12-25 1979-12-25 Continuous rolling method for steel bar

Publications (1)

Publication Number Publication Date
JPS5691909A true JPS5691909A (en) 1981-07-25

Family

ID=15899459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17014379A Pending JPS5691909A (en) 1979-12-25 1979-12-25 Continuous rolling method for steel bar

Country Status (1)

Country Link
JP (1) JPS5691909A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59206150A (en) * 1983-05-10 1984-11-21 Nippon Steel Corp Continuous casting device
EP3052259B1 (en) 2013-10-04 2017-11-29 Danieli & C. Officine Meccaniche, S.p.A. Steel plant with multiple co-rolling line and corresponding method of production

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59206150A (en) * 1983-05-10 1984-11-21 Nippon Steel Corp Continuous casting device
EP3052259B1 (en) 2013-10-04 2017-11-29 Danieli & C. Officine Meccaniche, S.p.A. Steel plant with multiple co-rolling line and corresponding method of production

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