JPS57164931A - Method for making temperature of roll for heat treatment device of metallic strip uniform and said roll - Google Patents

Method for making temperature of roll for heat treatment device of metallic strip uniform and said roll

Info

Publication number
JPS57164931A
JPS57164931A JP4730181A JP4730181A JPS57164931A JP S57164931 A JPS57164931 A JP S57164931A JP 4730181 A JP4730181 A JP 4730181A JP 4730181 A JP4730181 A JP 4730181A JP S57164931 A JPS57164931 A JP S57164931A
Authority
JP
Japan
Prior art keywords
roll
temp
parts
heat medium
width direction
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
JP4730181A
Other languages
Japanese (ja)
Other versions
JPS627248B2 (en
Inventor
Kenichi Yanagi
Takeo Fukushima
Ichiro Samejima
Sumio Umemoto
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.)
JFE Steel Corp
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Kawasaki 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 Mitsubishi Heavy Industries Ltd, Kawasaki Steel Corp filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP4730181A priority Critical patent/JPS57164931A/en
Publication of JPS57164931A publication Critical patent/JPS57164931A/en
Publication of JPS627248B2 publication Critical patent/JPS627248B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length

Abstract

PURPOSE:To maintain the adequate crown quantity of a hollow roll and to assure good tracking by sealing a heat medium into said roll and circulating the same in the roll thereby making the temp. in the width direction of the roll uniform. CONSTITUTION:In the heating zone (not shown) of a heat treatment device of a metallic strip 1, low temp. parts in contact with the strip 1 under elevation of temp. and high temp. parts that receive radiation heat directly are produced with the roll 9. The heat medium 20 filled in the hollow part in the roll 9 circulates of itself on account of the centrifugal forces by the revolution of the roll 9 and the difference in the specific gravities of the heat medium by the temp. difference in the width direction of the roll, thereby reducing the temp. differences between the high temp. parts and the low temp. parts. Also, vanes 14, partition walls 15 having heat medium passages 17, an inside cylinder 16, etc. are installed in the hollow parts in the roll 9, whereby the heat medium 20 is moved forcibly in accordance with the revolution of the roll 9 and the temp. in the width direction of the roll 9 is made uniform.
JP4730181A 1981-04-01 1981-04-01 Method for making temperature of roll for heat treatment device of metallic strip uniform and said roll Granted JPS57164931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4730181A JPS57164931A (en) 1981-04-01 1981-04-01 Method for making temperature of roll for heat treatment device of metallic strip uniform and said roll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4730181A JPS57164931A (en) 1981-04-01 1981-04-01 Method for making temperature of roll for heat treatment device of metallic strip uniform and said roll

Publications (2)

Publication Number Publication Date
JPS57164931A true JPS57164931A (en) 1982-10-09
JPS627248B2 JPS627248B2 (en) 1987-02-16

Family

ID=12771454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4730181A Granted JPS57164931A (en) 1981-04-01 1981-04-01 Method for making temperature of roll for heat treatment device of metallic strip uniform and said roll

Country Status (1)

Country Link
JP (1) JPS57164931A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5976830A (en) * 1982-10-23 1984-05-02 Nippon Steel Corp Method for preventing heat buckling of steel strip in continuous heat treatment furnace

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62182654U (en) * 1986-05-12 1987-11-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5976830A (en) * 1982-10-23 1984-05-02 Nippon Steel Corp Method for preventing heat buckling of steel strip in continuous heat treatment furnace

Also Published As

Publication number Publication date
JPS627248B2 (en) 1987-02-16

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