JPS5741319A - Production of roll - Google Patents

Production of roll

Info

Publication number
JPS5741319A
JPS5741319A JP11821480A JP11821480A JPS5741319A JP S5741319 A JPS5741319 A JP S5741319A JP 11821480 A JP11821480 A JP 11821480A JP 11821480 A JP11821480 A JP 11821480A JP S5741319 A JPS5741319 A JP S5741319A
Authority
JP
Japan
Prior art keywords
roll
shell part
adamite
shaft core
transformation point
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
JP11821480A
Other languages
Japanese (ja)
Other versions
JPS6016495B2 (en
Inventor
Yoshihiro Nakagawa
Takashi Hashimoto
Atsushi Funakoshi
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.)
Kubota Corp
Original Assignee
Kubota 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 Kubota Corp filed Critical Kubota Corp
Priority to JP11821480A priority Critical patent/JPS6016495B2/en
Publication of JPS5741319A publication Critical patent/JPS5741319A/en
Publication of JPS6016495B2 publication Critical patent/JPS6016495B2/en
Expired 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
    • C21D5/00—Heat treatments of cast-iron

Abstract

PURPOSE:To produce a high hardness adamite roll of superior quality at a low cost by originally adding a specific heat treatment means to a composite roll of which the shell part consists of an adamite material and the shaft core part of a spheroidal graphite cast iron material. CONSTITUTION:A shell part is cast of an adamite material and a shaft core part of a spheroidal graphite cast iron material, whereby a composite roll material which is stuck by these into one body by fusion is obtained. This roll material is subjected to diffusion annealing of heating the entire part of the roll at about 950-1050 deg.C and spheroidizing annealing treatment at above its A1 transformation point and within about 200 deg.C from the A1 transformation point. Thence, it is hardened by maintaining only the shell part at hardening temp. through quick heating and the shaft core part in the temp. state below the A1 transformation point, and cooling only the shell part through force air cooling or spray water cooling, after which it is tempered at about 500-600 deg.C. Thereby, the hardness of the shell part is controlled to a 60- 75Hs range.
JP11821480A 1980-08-26 1980-08-26 Roll manufacturing method Expired JPS6016495B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11821480A JPS6016495B2 (en) 1980-08-26 1980-08-26 Roll manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11821480A JPS6016495B2 (en) 1980-08-26 1980-08-26 Roll manufacturing method

Publications (2)

Publication Number Publication Date
JPS5741319A true JPS5741319A (en) 1982-03-08
JPS6016495B2 JPS6016495B2 (en) 1985-04-25

Family

ID=14731030

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11821480A Expired JPS6016495B2 (en) 1980-08-26 1980-08-26 Roll manufacturing method

Country Status (1)

Country Link
JP (1) JPS6016495B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60116723A (en) * 1983-11-30 1985-06-24 Kawasaki Steel Corp Heat treatment of roll for rolling
CN106222392A (en) * 2016-08-30 2016-12-14 江苏共昌轧辊股份有限公司 A kind of integral quenching method of forging steel cold roll
CN108251629A (en) * 2017-12-22 2018-07-06 宝钢轧辊科技有限责任公司 Using state induction quenching body of roll working lining regeneration method is carried out to scrapping support roll

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111440928B (en) * 2020-05-27 2020-10-30 南通汉科新能源开发有限公司 Heat treatment process for die steel product

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60116723A (en) * 1983-11-30 1985-06-24 Kawasaki Steel Corp Heat treatment of roll for rolling
CN106222392A (en) * 2016-08-30 2016-12-14 江苏共昌轧辊股份有限公司 A kind of integral quenching method of forging steel cold roll
CN108251629A (en) * 2017-12-22 2018-07-06 宝钢轧辊科技有限责任公司 Using state induction quenching body of roll working lining regeneration method is carried out to scrapping support roll
CN108251629B (en) * 2017-12-22 2019-11-29 宝钢轧辊科技有限责任公司 Body of roll working lining regeneration method is carried out to support roll is scrapped using state induction quenching

Also Published As

Publication number Publication date
JPS6016495B2 (en) 1985-04-25

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