RU2002108949A - The method of restoration of the rolling roll - Google Patents

The method of restoration of the rolling roll

Info

Publication number
RU2002108949A
RU2002108949A RU2002108949/02A RU2002108949A RU2002108949A RU 2002108949 A RU2002108949 A RU 2002108949A RU 2002108949/02 A RU2002108949/02 A RU 2002108949/02A RU 2002108949 A RU2002108949 A RU 2002108949A RU 2002108949 A RU2002108949 A RU 2002108949A
Authority
RU
Russia
Prior art keywords
temperature
restoration
rolling roll
surfacing
roll
Prior art date
Application number
RU2002108949/02A
Other languages
Russian (ru)
Other versions
RU2218220C1 (en
Inventor
Николай Борисович Скорохватов
Владимир Васильевич Глухов
Александр Васильевич Голованов
Владимир Сергеевич Смирнов
Владимир Федорович Соболев
Александр Иванович Трайно
Олег Вячеславович Тяпаев
Original Assignee
Открытое акционерное общество "Северсталь"
Filing date
Publication date
Application filed by Открытое акционерное общество "Северсталь" filed Critical Открытое акционерное общество "Северсталь"
Priority to RU2002108949A priority Critical patent/RU2218220C1/en
Priority claimed from RU2002108949A external-priority patent/RU2218220C1/en
Publication of RU2002108949A publication Critical patent/RU2002108949A/en
Application granted granted Critical
Publication of RU2218220C1 publication Critical patent/RU2218220C1/en

Links

Claims (1)

Способ восстановления прокатного валка, включающий его нагрев до температуры 400-460°С, многослойную электродуговую наплавку и термическую обработку наплавленного слоя, отличающийся тем, что после наплавки первых 2-3 слоев валок охлаждают до температуры 250-300°С, при которой осуществляют наплавку остальных слоев, а термическую обработку наплавленного валка ведут путем нагрева до температуры 500-600°С с выдержкой при этой температуре в течение 8-10 ч и последующего охлаждения до температуры 50-100°С со скоростью не выше 100°С/ч.A method of restoring a roll, including heating it to a temperature of 400-460 ° C, multilayer electric arc surfacing and heat treatment of the deposited layer, characterized in that after surfacing the first 2-3 layers, the rolls are cooled to a temperature of 250-300 ° C, at which surfacing is carried out the remaining layers, and the heat treatment of the deposited roll is carried out by heating to a temperature of 500-600 ° C with holding at this temperature for 8-10 hours and subsequent cooling to a temperature of 50-100 ° C at a speed not exceeding 100 ° C / h.
RU2002108949A 2002-04-08 2002-04-08 Method of building up rolls RU2218220C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002108949A RU2218220C1 (en) 2002-04-08 2002-04-08 Method of building up rolls

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002108949A RU2218220C1 (en) 2002-04-08 2002-04-08 Method of building up rolls

Publications (2)

Publication Number Publication Date
RU2002108949A true RU2002108949A (en) 2003-10-20
RU2218220C1 RU2218220C1 (en) 2003-12-10

Family

ID=32066248

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002108949A RU2218220C1 (en) 2002-04-08 2002-04-08 Method of building up rolls

Country Status (1)

Country Link
RU (1) RU2218220C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101293300B (en) * 2008-06-12 2010-06-02 上海施威焊接产业有限公司 Renovation technique for phi2100x3400mm wrought steel support roll
CN103464965B (en) * 2013-09-30 2015-12-23 江苏南山冶金机械制造有限公司 The renovation technique of furnace roller

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