JPS5452651A - Method and apparatus for rolling hot strip - Google Patents

Method and apparatus for rolling hot strip

Info

Publication number
JPS5452651A
JPS5452651A JP11956877A JP11956877A JPS5452651A JP S5452651 A JPS5452651 A JP S5452651A JP 11956877 A JP11956877 A JP 11956877A JP 11956877 A JP11956877 A JP 11956877A JP S5452651 A JPS5452651 A JP S5452651A
Authority
JP
Japan
Prior art keywords
rolling
broadside
line
mills
broadside rolling
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
JP11956877A
Other languages
Japanese (ja)
Other versions
JPS5847921B2 (en
Inventor
Shuji Osada
Fujimasa Kamiyama
Minoru Kawarada
Hiroe Nakajima
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 JP11956877A priority Critical patent/JPS5847921B2/en
Publication of JPS5452651A publication Critical patent/JPS5452651A/en
Publication of JPS5847921B2 publication Critical patent/JPS5847921B2/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
    • 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
    • B21B1/02—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 heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
    • B21B1/026—Rolling

Abstract

PURPOSE:To make possible the breadth of slab to be greatly changed, by carrying out two or more passes of reversing broadside rolling while holding the slab in the same posture, and then, by carrying out the finish rolling following to the rough and intermediate rollings. CONSTITUTION:The line is constituted of the broadside rolling line 13 consisting of heating furnace 12 and one or more broadside rolling mills, the rough rolling line 14 consisting of one or more roughing mills, the edging mill and descaling apparatus, and the auxilliary line 15 installed when it is necessary, consisting of crop shear, descaling apparatus and edging mill, and the finish rolling line 16 consisting of one or more finishing mills. Depending on this constitution, at least two or more passes for every reversing broadside rolling are carried out at the same posture by at least one broadside rolling mill 13. According to this method, the broadside rolling can be carried out at extremely high efficiency using minimum number of broadside rolling mills.
JP11956877A 1977-10-05 1977-10-05 Hot strip rolling method and rolling equipment Expired JPS5847921B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11956877A JPS5847921B2 (en) 1977-10-05 1977-10-05 Hot strip rolling method and rolling equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11956877A JPS5847921B2 (en) 1977-10-05 1977-10-05 Hot strip rolling method and rolling equipment

Publications (2)

Publication Number Publication Date
JPS5452651A true JPS5452651A (en) 1979-04-25
JPS5847921B2 JPS5847921B2 (en) 1983-10-25

Family

ID=14764549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11956877A Expired JPS5847921B2 (en) 1977-10-05 1977-10-05 Hot strip rolling method and rolling equipment

Country Status (1)

Country Link
JP (1) JPS5847921B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108393419A (en) * 2018-03-29 2018-08-14 浙江天马轴承有限公司 A kind of manufacturing method promoting bearing steel ball performance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108393419A (en) * 2018-03-29 2018-08-14 浙江天马轴承有限公司 A kind of manufacturing method promoting bearing steel ball performance
CN108393419B (en) * 2018-03-29 2019-10-25 浙江天马轴承有限公司 A kind of manufacturing method promoting bearing steel ball performance

Also Published As

Publication number Publication date
JPS5847921B2 (en) 1983-10-25

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