RU2007101776A - METHOD FOR INTEGRATED THERMAL PROCESSING OF ROTOR PREPARATIONS - Google Patents

METHOD FOR INTEGRATED THERMAL PROCESSING OF ROTOR PREPARATIONS Download PDF

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Publication number
RU2007101776A
RU2007101776A RU2007101776/02A RU2007101776A RU2007101776A RU 2007101776 A RU2007101776 A RU 2007101776A RU 2007101776/02 A RU2007101776/02 A RU 2007101776/02A RU 2007101776 A RU2007101776 A RU 2007101776A RU 2007101776 A RU2007101776 A RU 2007101776A
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RU
Russia
Prior art keywords
heat treatment
temperature
rotor
stage
tempering
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RU2007101776/02A
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Russian (ru)
Inventor
Тать на Ивановна Титова (RU)
Татьяна Ивановна Титова
Эдуард Юльевич Колпишон (RU)
Эдуард Юльевич Колпишон
ховский Сергей Александрович Черн (RU)
Сергей Александрович Черняховский
ев Сергей Энгелиевич Шкл (RU)
Сергей Энгелиевич Шкляев
Ирина Николаевна Михеева (RU)
Ирина Николаевна Михеева
Наталь Алексеевна Шульган (RU)
Наталья Алексеевна Шульган
Тать на Александровна Чижик (RU)
Татьяна Александровна Чижик
Сергей Юрьевич Баландин (RU)
Сергей Юрьевич Баландин
Original Assignee
Общество с ограниченной ответственностью "ОМЗ-Спецсталь" (RU)
Общество с ограниченной ответственностью "ОМЗ-Спецсталь"
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Application filed by Общество с ограниченной ответственностью "ОМЗ-Спецсталь" (RU), Общество с ограниченной ответственностью "ОМЗ-Спецсталь" filed Critical Общество с ограниченной ответственностью "ОМЗ-Спецсталь" (RU)
Priority to RU2007101776/02A priority Critical patent/RU2007101776A/en
Publication of RU2007101776A publication Critical patent/RU2007101776A/en

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Claims (1)

Способ комплексной термической обработки заготовок роторов, включающий на стадии предварительной термообработки отжиг с перлитизацией, два изотермических отпуска и два переохлаждения; на стадии окончательной термообработки нагрев под основную термообработку до температуры 1040-1080°С с последующей закалкой в масле и два отпуска с охлаждением в печи до температуры 100-200°С, отличающийся тем, что при предварительной термообработке на стадии охлаждения после отжига проводят выдержку при температуре минимальной устойчивости аустенита 680-700°С в течение 15-18 ч, на стадии окончательной термообработки промежуточный отпуск осуществляют при температуре 560-580°С и основной отпуск проводят при температуре 680-710°С.The method of complex heat treatment of rotor blanks, including at the stage of preliminary heat treatment annealing with perlitization, two isothermal tempering and two supercooling; at the stage of final heat treatment, heating under the main heat treatment to a temperature of 1040-1080 ° C followed by quenching in oil and two tempering with cooling in the furnace to a temperature of 100-200 ° C, characterized in that during the preliminary heat treatment at the cooling stage after annealing, exposure is carried out at the temperature of the minimum stability of austenite is 680-700 ° C for 15-18 hours, at the stage of the final heat treatment, intermediate tempering is carried out at a temperature of 560-580 ° C and the main tempering is carried out at a temperature of 680-710 ° C.
RU2007101776/02A 2007-01-17 2007-01-17 METHOD FOR INTEGRATED THERMAL PROCESSING OF ROTOR PREPARATIONS RU2007101776A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2007101776/02A RU2007101776A (en) 2007-01-17 2007-01-17 METHOD FOR INTEGRATED THERMAL PROCESSING OF ROTOR PREPARATIONS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2007101776/02A RU2007101776A (en) 2007-01-17 2007-01-17 METHOD FOR INTEGRATED THERMAL PROCESSING OF ROTOR PREPARATIONS

Publications (1)

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RU2007101776A true RU2007101776A (en) 2008-07-27

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RU2007101776/02A RU2007101776A (en) 2007-01-17 2007-01-17 METHOD FOR INTEGRATED THERMAL PROCESSING OF ROTOR PREPARATIONS

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Effective date: 20090428