ATA367379A - 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 RINGSInfo
- Publication number
- ATA367379A ATA367379A AT367379A AT367379A ATA367379A AT A367379 A ATA367379 A AT A367379A AT 367379 A AT367379 A AT 367379A AT 367379 A AT367379 A AT 367379A AT A367379 A ATA367379 A AT A367379A
- Authority
- AT
- Austria
- Prior art keywords
- workpieces
- steel
- heat treatment
- roller bearing
- bearing rings
- Prior art date
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)
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 true ATA367379A (en) | 1980-11-15 |
AT362807B 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) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0294813B1 (en) | 1987-06-10 | 1994-09-21 | Nippondenso 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 |
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 |
-
1979
- 1979-05-18 AT AT367379A patent/AT362807B/en not_active IP Right Cessation
-
1980
- 1980-05-14 DE DE19803018454 patent/DE3018454A1/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE3018454A1 (en) | 1980-11-27 |
AT362807B (en) | 1981-06-25 |
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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 |