IT8921176A0 - Metodo per fabbricare elementi in acciaio atti a resistere a forti sollecitazioni, come elementi per cuscinetti a rulli. - Google Patents

Metodo per fabbricare elementi in acciaio atti a resistere a forti sollecitazioni, come elementi per cuscinetti a rulli.

Info

Publication number
IT8921176A0
IT8921176A0 IT8921176A IT2117689A IT8921176A0 IT 8921176 A0 IT8921176 A0 IT 8921176A0 IT 8921176 A IT8921176 A IT 8921176A IT 2117689 A IT2117689 A IT 2117689A IT 8921176 A0 IT8921176 A0 IT 8921176A0
Authority
IT
Italy
Prior art keywords
elements
roller bearing
high stress
resist high
manufacturing steel
Prior art date
Application number
IT8921176A
Other languages
English (en)
Other versions
IT1230341B (it
Inventor
Thore Lund
Original Assignee
Ovako Steel Ab
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 Ovako Steel Ab filed Critical Ovako Steel Ab
Publication of IT8921176A0 publication Critical patent/IT8921176A0/it
Application granted granted Critical
Publication of IT1230341B publication Critical patent/IT1230341B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/64—Special methods of manufacture
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • 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
    • C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
    • Y10S148/906—Roller bearing element

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Rolling Contact Bearings (AREA)
  • Forging (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
IT8921176A 1988-09-02 1989-07-14 Metodo per fabbricare elementi in acciaio atti a resistere a forti sollecitazioni, come elementi per cuscinetti a rulli. IT1230341B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8803073A SE467829B (sv) 1988-09-02 1988-09-02 Foerfarande foer framstaellning av element av staal med eutektoid sammansaettning

Publications (2)

Publication Number Publication Date
IT8921176A0 true IT8921176A0 (it) 1989-07-14
IT1230341B IT1230341B (it) 1991-10-18

Family

ID=20373194

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921176A IT1230341B (it) 1988-09-02 1989-07-14 Metodo per fabbricare elementi in acciaio atti a resistere a forti sollecitazioni, come elementi per cuscinetti a rulli.

Country Status (7)

Country Link
US (1) US4973368A (it)
DE (1) DE3922374A1 (it)
FI (1) FI89186C (it)
FR (1) FR2636076B1 (it)
GB (1) GB2222414B (it)
IT (1) IT1230341B (it)
SE (1) SE467829B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE521771C2 (sv) * 1998-03-16 2003-12-02 Ovako Steel Ab Sätt att tillverka komponenter av stål
DE19821797C1 (de) * 1998-05-15 1999-07-08 Skf Gmbh Verfahren zur Herstellung von gehärteten Teilen aus Stahl
DE19849679C1 (de) * 1998-10-28 2000-01-05 Skf Gmbh Verfahren zur Wärmebehandlung von Werkstücken aus Stahl
DE10015527A1 (de) 2000-03-30 2001-10-04 Wedeco Ag Verfahren und Vorrichtung zum Betrieb einer UV-Strahlenquelle
NL1014946C2 (nl) * 2000-04-13 2001-10-16 Skf Eng & Res Centre Bv Werkwijze voor het vervaardigen van een onderdeel van een wentellager.
DE10247372A1 (de) * 2002-10-10 2004-04-22 Rexroth Star Gmbh Verfahren zur Herstellung von gehärteten, insbesondere wälzbeanspruchten, Bauteilen aus Stahl
DE10333165A1 (de) * 2003-07-22 2005-02-24 Daimlerchrysler Ag Pressgehärtetes Bauteil und Verfahren zur Herstellung eines pressgehärteten Bauteils
DE102005014967A1 (de) * 2005-04-01 2006-10-05 Schaeffler Kg Geschweißter Wälzlagerring aus Wälzlagerstahl

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2097878A (en) * 1934-01-15 1937-11-02 Grabe Alf Gerhard Antifriction bearing and method of manufacturing the same
US3369942A (en) * 1964-02-24 1968-02-20 Gen Electric Bearing and method of making
DE1533310A1 (de) * 1965-10-02 1969-12-11 Kloeckner Werke Ag Schienenstahllegierung
US3859146A (en) * 1968-12-09 1975-01-07 Ceskoslovenska Akademie Ved Steel composition, particularly for anti-friction bearings
SE435527B (sv) * 1973-11-06 1984-10-01 Plannja Ab Forfarande for framstellning av en detalj av herdat stal
FR2342818A1 (fr) * 1976-03-05 1977-09-30 Ceskoslovenska Akademie Ved Fabrication de pieces d'acier annulaire par coulee de lingots centrifuges, debites en couronnes

Also Published As

Publication number Publication date
SE8803073L (sv) 1990-03-03
FR2636076A1 (fr) 1990-03-09
GB2222414B (en) 1992-09-16
GB8917908D0 (en) 1989-09-20
SE467829B (sv) 1992-09-21
FI89186C (fi) 1993-08-25
FI893865A (fi) 1990-03-03
US4973368A (en) 1990-11-27
IT1230341B (it) 1991-10-18
FI893865A0 (fi) 1989-08-16
SE8803073D0 (sv) 1988-09-02
FI89186B (fi) 1993-05-14
GB2222414A (en) 1990-03-07
DE3922374A1 (de) 1990-03-15
FR2636076B1 (fr) 1993-10-08

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950728