AT362807B - METHOD FOR THE HEAT TREATMENT OF WORKPIECES FROM STEEL, IN PARTICULAR ROLLER BEARING RINGS - Google Patents

METHOD FOR THE HEAT TREATMENT OF WORKPIECES FROM STEEL, IN PARTICULAR ROLLER BEARING RINGS

Info

Publication number
AT362807B
AT362807B AT367379A AT367379A AT362807B AT 362807 B AT362807 B AT 362807B AT 367379 A AT367379 A AT 367379A AT 367379 A AT367379 A AT 367379A AT 362807 B AT362807 B AT 362807B
Authority
AT
Austria
Prior art keywords
workpieces
steel
heat treatment
roller bearing
bearing rings
Prior art date
Application number
AT367379A
Other languages
German (de)
Other versions
ATA367379A (en
Inventor
Alois Dipl Ing Geiwitsch
Paul Dipl Ing Grohmann
Original Assignee
Steyr Daimler Puch Ag
Messer Griesheim Austria Ges M
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 Steyr Daimler Puch Ag, Messer Griesheim Austria Ges M filed Critical Steyr Daimler Puch Ag
Priority to AT367379A priority Critical patent/AT362807B/en
Priority to DE19803018454 priority patent/DE3018454A1/en
Publication of ATA367379A publication Critical patent/ATA367379A/en
Application granted granted Critical
Publication of AT362807B publication Critical patent/AT362807B/en

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
    • C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/04—Hardening by cooling below 0 degrees Celsius

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Rolling Contact Bearings (AREA)
  • Heat Treatment Of Articles (AREA)
AT367379A 1979-05-18 1979-05-18 METHOD FOR THE HEAT TREATMENT OF WORKPIECES FROM STEEL, IN PARTICULAR ROLLER BEARING RINGS AT362807B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT367379A AT362807B (en) 1979-05-18 1979-05-18 METHOD FOR THE HEAT TREATMENT OF WORKPIECES FROM STEEL, IN PARTICULAR ROLLER BEARING RINGS
DE19803018454 DE3018454A1 (en) 1979-05-18 1980-05-14 Heat treatment of steel parts, esp races for rolling bearings - using brief immersion in liq. nitrogen to reduce residual austenite in surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT367379A AT362807B (en) 1979-05-18 1979-05-18 METHOD FOR THE HEAT TREATMENT OF WORKPIECES FROM STEEL, IN PARTICULAR ROLLER BEARING RINGS

Publications (2)

Publication Number Publication Date
ATA367379A ATA367379A (en) 1980-11-15
AT362807B true AT362807B (en) 1981-06-25

Family

ID=3553787

Family Applications (1)

Application Number Title Priority Date Filing Date
AT367379A AT362807B (en) 1979-05-18 1979-05-18 METHOD FOR THE HEAT TREATMENT OF WORKPIECES FROM STEEL, IN PARTICULAR ROLLER BEARING RINGS

Country Status (2)

Country Link
AT (1) AT362807B (en)
DE (1) DE3018454A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE37967E1 (en) 1987-06-10 2003-01-21 Koyo Seiko Co., Ltd. Antifriction bearing and alternator incorporating same for use in vehicles
USRE38936E1 (en) 1987-06-10 2006-01-17 Koyo Seiko Co., Ltd. Antifriction bearing and alternator incorporating same for use in vehicles

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3919199A1 (en) * 1989-06-13 1990-12-20 Skf Gmbh METHOD FOR THE PRODUCTION OF ROTOR BEARING ELEMENTS
DE19525218A1 (en) * 1995-07-11 1997-01-16 Schaeffler Waelzlager Kg Process for the thermal or thermochemical treatment of precision components made of steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE37967E1 (en) 1987-06-10 2003-01-21 Koyo Seiko Co., Ltd. Antifriction bearing and alternator incorporating same for use in vehicles
USRE38936E1 (en) 1987-06-10 2006-01-17 Koyo Seiko Co., Ltd. Antifriction bearing and alternator incorporating same for use in vehicles

Also Published As

Publication number Publication date
ATA367379A (en) 1980-11-15
DE3018454A1 (en) 1980-11-27

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee
ELA Expired due to lapse of time