DE69223882T2 - Wärmebehandlungsofensystem zur gleichzeitigen Durchführung verschiedener Aufkohlungsverfahren - Google Patents

Wärmebehandlungsofensystem zur gleichzeitigen Durchführung verschiedener Aufkohlungsverfahren

Info

Publication number
DE69223882T2
DE69223882T2 DE69223882T DE69223882T DE69223882T2 DE 69223882 T2 DE69223882 T2 DE 69223882T2 DE 69223882 T DE69223882 T DE 69223882T DE 69223882 T DE69223882 T DE 69223882T DE 69223882 T2 DE69223882 T2 DE 69223882T2
Authority
DE
Germany
Prior art keywords
heat treatment
treatment furnace
furnace system
simultaneous implementation
carburizing processes
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69223882T
Other languages
English (en)
Other versions
DE69223882D1 (de
Inventor
Gary D Keil
Loren D Thompson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of DE69223882D1 publication Critical patent/DE69223882D1/de
Application granted granted Critical
Publication of DE69223882T2 publication Critical patent/DE69223882T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • 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
    • C21D9/0037—Rotary furnaces with vertical axis; Furnaces with rotating floor
    • 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
    • C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
DE69223882T 1991-08-09 1992-08-03 Wärmebehandlungsofensystem zur gleichzeitigen Durchführung verschiedener Aufkohlungsverfahren Expired - Fee Related DE69223882T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/742,818 US5324366A (en) 1991-08-09 1991-08-09 Heat treat furnace system for performing different carburizing processes simultaneously

Publications (2)

Publication Number Publication Date
DE69223882D1 DE69223882D1 (de) 1998-02-12
DE69223882T2 true DE69223882T2 (de) 1998-08-13

Family

ID=24986360

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69223882T Expired - Fee Related DE69223882T2 (de) 1991-08-09 1992-08-03 Wärmebehandlungsofensystem zur gleichzeitigen Durchführung verschiedener Aufkohlungsverfahren

Country Status (4)

Country Link
US (2) US5324366A (de)
EP (1) EP0530513B1 (de)
JP (1) JPH05196365A (de)
DE (1) DE69223882T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29505496U1 (de) * 1995-03-31 1995-06-01 Ipsen Ind Int Gmbh Vorrichtung zur Wärmebehandlung metallischer Werkstücke unter Vakuum
NZ314334A (en) * 1996-04-19 1997-09-22 Boc Group Inc Method of heat treating a metal with nitrogen rich gas preheated and then having oxygen-reactive gas added
DE19829825C2 (de) * 1997-07-07 2002-10-10 Ntn Toyo Bearing Co Ltd Karburierungs- und Abschreckungsvorrichtung und Verfahren zum Abschrecken dünner Plattenteile
US6991656B2 (en) * 2000-04-26 2006-01-31 Dana Mears Method and apparatus for performing a minimally invasive total hip arthroplasty
US6676706B1 (en) * 2000-04-26 2004-01-13 Zimmer Technology, Inc. Method and apparatus for performing a minimally invasive total hip arthroplasty
EP1729906B1 (de) * 2004-03-15 2016-05-18 James L. Wienhold Werkzeugeinsatzhalter für verschiedene einsteckendeprofile von werkzeugeinsätzen und verfahren zum schnellen wechseln der grösse von werkzeugeinsätzen in einem werkzeugeinsatzhalter
CA2516920A1 (en) * 2004-08-31 2006-02-28 Smith International, Inc. Maintaining carburized case during neutral to the core heat treatment processes
JP4767605B2 (ja) 2005-07-06 2011-09-07 住友重機械工業株式会社 ハース機構及び成膜装置
KR100780504B1 (ko) * 2006-01-09 2007-11-29 김상진 철강재료의 침탄 열처리 방법
US7905161B2 (en) * 2007-06-20 2011-03-15 Longyear Tm, Inc. Process of drill bit manufacture
ES2341832B1 (es) * 2008-12-26 2011-05-23 Metalquimia, S.A. Planta para secado y maduracion de productos alimenticios y procedimiento de transferencia de tales productos aplicable a dicha planta.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA610554A (en) * 1960-12-13 E. Cullen Orville Carburization of ferrous alloys
US2916131A (en) * 1956-07-13 1959-12-08 Artemas F Holden Article treating apparatus
US3662996A (en) * 1970-03-23 1972-05-16 Holcroft & Co Multi-chamber carburizing apparatus
FR2537260B3 (fr) * 1982-12-02 1985-11-22 Traitement Sous Vide Four multicellulaire pour le traitement thermique, thermochimique ou electrothermique de metaux sous atmosphere rarefiee
GB2162208B (en) * 1984-07-20 1988-07-06 Ipsen Ind Int Gmbh Heat treatment of metal workpieces
DE3435376C2 (de) * 1984-09-27 1996-09-12 Loi Ipsen Holding Gmbh Verfahren zur Wärmebehandlung von Werkstücken
US4763880A (en) * 1987-04-03 1988-08-16 Holcroft/Loftus Inc. Rotary hearth multi-chamber, multi-purpose furnace system
US4921025A (en) * 1987-12-21 1990-05-01 Caterpillar Inc. Carburized low silicon steel article and process
JPH0287063U (de) * 1988-12-22 1990-07-10
US5164145A (en) * 1990-10-10 1992-11-17 Thermo Process Systems Inc. Rotary furnace oil seal employing endothermic gas purge
US5143558A (en) * 1991-03-11 1992-09-01 Thermo Process Systems Inc. Method of heat treating metal parts in an integrated continuous and batch furnace system

Also Published As

Publication number Publication date
DE69223882D1 (de) 1998-02-12
US5324366A (en) 1994-06-28
JPH05196365A (ja) 1993-08-06
EP0530513A1 (de) 1993-03-10
US5407180A (en) 1995-04-18
EP0530513B1 (de) 1998-01-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee