EP0735149B1 - Dispositif pour le traitement thermique d'articles métalliques sous vide - Google Patents

Dispositif pour le traitement thermique d'articles métalliques sous vide Download PDF

Info

Publication number
EP0735149B1
EP0735149B1 EP96101733A EP96101733A EP0735149B1 EP 0735149 B1 EP0735149 B1 EP 0735149B1 EP 96101733 A EP96101733 A EP 96101733A EP 96101733 A EP96101733 A EP 96101733A EP 0735149 B1 EP0735149 B1 EP 0735149B1
Authority
EP
European Patent Office
Prior art keywords
chamber
kiln
furnace
constructed
batches
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 - Lifetime
Application number
EP96101733A
Other languages
German (de)
English (en)
Other versions
EP0735149A1 (fr
Inventor
Bernd Dr. Edenhofer
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.)
Ipsen International GmbH
Original Assignee
Ipsen International GmbH
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 Ipsen International GmbH filed Critical Ipsen International GmbH
Publication of EP0735149A1 publication Critical patent/EP0735149A1/fr
Application granted granted Critical
Publication of EP0735149B1 publication Critical patent/EP0735149B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • C21D9/0037—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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/16—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
    • F27D2003/0059—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising tracks, e.g. rails and wagon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0073—Seals
    • F27D2099/0078—Means to minimize the leakage of the furnace atmosphere during charging or discharging
    • F27D2099/008—Using an air-lock
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/04—Ram or pusher apparatus

Claims (11)

  1. Dispositif destiné au traitement thermique de pièces métalliques sous vide, et comprenant un four à fonctionnement rotatif (5) à plateau annulaire tournant, ainsi qu'un sas de chargement (2) et un sas de déchargement (7), les charges de pièces (1) pouvant être déplacées vers différentes positions de travail à l'aide du plateau tournant,
       caractérisé en ce que
       le four à fonctionnement rotatif (5) est réalisé en tant que four à vide pour la phase de diffusion et en ce qu'il est prévu, le long de la périphérie et à l'extérieur du four à fonctionnement rotatif (5), au moins une chambre formant four de cémentation (6) située au moins entre le sas de chargement (2) et le sas de déchargement (7), et dans laquelle les charges de pièces (1) peuvent être introduites pour un traitement de cémentation.
  2. Dispositif selon la revendication 1, caractérisé en ce que ladite au moins une chambre formant four de cémentation (6) est réalisée en tant que four au plasma.
  3. Dispositif selon la revendication 1, caractérisé en ce que ladite au moins une chambre formant four de cémentation (6) est réalisée en tant que four à vide.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce qu'au moins une chambre de chauffage (3) est disposée entre le sas de chargement (2) et le four à fonctionnement rotatif (5).
  5. Dispositif selon la revendication 4, caractérisé en ce qu'au moins une chambre d'égalisation (4) est disposée entre ladite au moins une chambre de chauffage (3) et le four à fonctionnement rotatif (5).
  6. Dispositif selon la revendication 5, caractérisé en ce que ladite au moins une chambre de chauffage (3) est réalisée en tant que chambre à projection d'hydrogène pour le nettoyage de surface des charges de pièces (1).
  7. Dispositif selon la revendication 1, caractérisé en ce que le sas de déchargement (7) est réalisé en tant que chambre de refroidissement.
  8. Dispositif selon la revendication 7, caractérisé en ce que la chambre de refroidissement est réalisée en tant que chambre de refroidissement brusque au gaz.
  9. Dispositif selon la revendication 7, caractérisé en ce que la chambre de refroidissement est équipée d'un bain de liquide.
  10. Dispositif selon la revendication 7, caractérisé en ce qu'un four de trempe (9) est intercalé le sas de déchargement (7), réalisé en tant que chambre de refroidissement, et le four à fonctionnement rotatif (5).
  11. Dispositif selon la revendication 1, caractérisé en ce que deux dispositifs de poussée (6b, 6c) sont associés à chaque chambre formant four de cémentation (6) afin de pouvoir déplacer, par une commande électrique, pneumatique ou hydraulique, les charges (1) depuis le four à fonctionnement rotatif (5) jusque dans la chambre formant four de cémentation (6) ou bien à partir de la chambre formant four de cémentation (6) pour les ramener dans le four à fonctionnement rotatif (5).
EP96101733A 1995-03-31 1996-02-07 Dispositif pour le traitement thermique d'articles métalliques sous vide Expired - Lifetime EP0735149B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29505496U DE29505496U1 (de) 1995-03-31 1995-03-31 Vorrichtung zur Wärmebehandlung metallischer Werkstücke unter Vakuum
DE29505496U 1995-03-31

Publications (2)

Publication Number Publication Date
EP0735149A1 EP0735149A1 (fr) 1996-10-02
EP0735149B1 true EP0735149B1 (fr) 1999-12-22

Family

ID=8006191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96101733A Expired - Lifetime EP0735149B1 (fr) 1995-03-31 1996-02-07 Dispositif pour le traitement thermique d'articles métalliques sous vide

Country Status (7)

Country Link
US (1) US5722825A (fr)
EP (1) EP0735149B1 (fr)
JP (1) JPH08285462A (fr)
AT (1) ATE187985T1 (fr)
CA (1) CA2173058A1 (fr)
DE (2) DE29505496U1 (fr)
ES (1) ES2141401T3 (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3895000B2 (ja) * 1996-06-06 2007-03-22 Ｄｏｗａホールディングス株式会社 浸炭焼入焼戻方法及び装置
DE19639933C1 (de) * 1996-08-30 1998-04-09 Franz Hillingrathner Rundtaktofen zum Behandeln von Werkstücken
DE19635257C1 (de) * 1996-08-30 1998-03-12 Franz Hillingrathner Rundtaktofen zum Behandeln von Werkstücken
ES2163791T3 (es) * 1996-08-30 2002-02-01 Franz Hillingrathner Horno rotativo para el tratamiento de piezas de trabajo.
DE19638106C1 (de) * 1996-08-30 1998-04-09 Franz Hillingrathner Rundtaktofen zum Behandeln von Werkstücken
AT404029B (de) * 1996-09-16 1998-07-27 Ald Aichelin Ges M B H Niederdruck-aufkohlungsanlage
GB9704229D0 (en) * 1997-02-28 1997-04-16 Mckechnie Plc Fastener installing machine
JPH1129821A (ja) * 1997-07-11 1999-02-02 Ntn Corp 浸炭焼入装置
DE19953654A1 (de) * 1999-11-08 2001-05-23 Pink Gmbh Vakuumtechnik Verfahren und Vorrichtung zur Herstellung einer Lotverbindung
JP4537522B2 (ja) * 2000-02-07 2010-09-01 中外炉工業株式会社 間欠駆動式真空浸炭炉
EP1555330B1 (fr) * 2001-01-26 2007-05-09 Ipsen International GmbH Installation et procédé pour transporter des pièces métalliques ainsi qu'une installation pour le traitement thermique de ces pièces
JP5092170B2 (ja) * 2001-03-29 2012-12-05 Ｄｏｗａサーモテック株式会社 浸炭焼入れ方法及び浸炭焼入れ装置
JP5428032B2 (ja) * 2001-06-05 2014-02-26 Ｄｏｗａサーモテック株式会社 浸炭処理方法
US7276204B2 (en) * 2001-06-05 2007-10-02 Dowa Thermotech Co., Ltd. Carburization treatment method and carburization treatment apparatus
JP5428031B2 (ja) * 2001-06-05 2014-02-26 Ｄｏｗａサーモテック株式会社 浸炭処理方法及びその装置
ATE391193T1 (de) * 2002-02-04 2008-04-15 Ipsen Int Gmbh Verfahren zur wärmebehandlung metallischer werkstücke sowie wärmebehandeltes werkstück
DE10310739A1 (de) * 2002-03-27 2003-10-09 Loi Thermprocess Gmbh Anlage zum Wärmebehandeln von Werkstücken
DE60331115D1 (de) 2003-02-12 2010-03-11 Procter & Gamble Saugfähiger Kern für einen saugfähigen Artikel
US20050016831A1 (en) * 2003-07-24 2005-01-27 Paganessi Joseph E. Generation of acetylene for on-site use in carburization and other processes
US8684988B2 (en) * 2004-06-29 2014-04-01 The Procter & Gamble Company Disposable absorbent article having barrier cuff strips
US7598477B2 (en) * 2005-02-07 2009-10-06 Guy Smith Vacuum muffle quench furnace
US20090304907A1 (en) * 2008-06-09 2009-12-10 Applied Materials, Inc. Coating system and method for coating a substrate
EP2607504B1 (fr) * 2011-12-23 2018-02-28 Ipsen International GmbH Mécanisme de transport de charge pour système de traitement thermique multi station
DE102012019653A1 (de) * 2012-10-08 2014-04-10 Ipsen International Gmbh Gasdichter schutzgasbegaster Industrieofen, insbesondere Kammerofen, Durchstoßofen, Drehherdofen oder Ringherdofen
DE102013006589A1 (de) * 2013-04-17 2014-10-23 Ald Vacuum Technologies Gmbh Verfahren und Vorrichtung für das thermochemische Härten von Werkstücken
CN103276165B (zh) * 2013-06-07 2016-09-07 鞍钢股份有限公司 一种环形炉节能操作方法
PL228603B1 (pl) 2015-02-04 2018-04-30 Seco/Warwick Spolka Akcyjna Piec wielokomorowy do nawęglania próżniowego i hartowania kół zębatych, wałków, pierścieni i tym podobnych detali
CN110662848A (zh) 2017-05-29 2020-01-07 株式会社Ihi 多室型热处理装置
FR3073937B1 (fr) * 2017-11-21 2020-08-14 Ceritherm Installation de traitement thermique pour la fabrication de produits industriels.
CN111424154B (zh) * 2020-05-12 2021-01-19 浙江三基钢管有限公司 一种可定量放料的加热炉
DE102022108513A1 (de) * 2021-04-16 2022-10-20 Aerospace Transmission Technologies GmbH Steuereinrichtung und Verfahren zur Steuerung einer Anlage und eines Prozesses zur Wärmebehandlung von metallischen Werkstücken
CN116121504B (zh) * 2023-02-21 2023-09-22 北京中孚悦达真空科技有限公司 一种立式真空水淬炉

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3209245A1 (de) * 1982-03-13 1983-09-15 Brown, Boveri & Cie Ag, 6800 Mannheim Drehherdofen
FR2617953B2 (fr) * 1982-04-27 1989-11-03 Innovatique Sa Four a sole tournante pour le traitement thermique, thermochimique ou electrothermique de metaux sous atmosphere rarefiee ou controlee
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
SE450389B (sv) * 1984-10-02 1987-06-22 Volvo Ab Metod och anleggning for vermebehandling av detaljer med varierande krav pa vermebehandlingstid
DE8711235U1 (fr) * 1987-08-18 1987-10-22 Ruhrgas Ag, 4300 Essen, De
JPH0287063U (fr) * 1988-12-22 1990-07-10
DE4005956C1 (fr) * 1990-02-26 1991-06-06 Siegfried Dipl.-Ing. Dr. 5135 Selfkant De Straemke
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
US5324366A (en) * 1991-08-09 1994-06-28 Caterpillar Inc. Heat treat furnace system for performing different carburizing processes simultaneously

Also Published As

Publication number Publication date
DE59603946D1 (de) 2000-01-27
ATE187985T1 (de) 2000-01-15
ES2141401T3 (es) 2000-03-16
JPH08285462A (ja) 1996-11-01
DE29505496U1 (de) 1995-06-01
EP0735149A1 (fr) 1996-10-02
US5722825A (en) 1998-03-03
CA2173058A1 (fr) 1996-10-01

Similar Documents

Publication Publication Date Title
EP0735149B1 (fr) Dispositif pour le traitement thermique d'articles métalliques sous vide
EP0313889B1 (fr) Four sous vide pour le traitement à chaud de pièces métalliques
AT392653B (de) Verfahren zur waermebehandlung metallischer werkstuecke unter verwendung eines durchlauf- oder durchstossofens sowie vorrichtung zum durchfuehren dieses verfahrens
DE10310739A1 (de) Anlage zum Wärmebehandeln von Werkstücken
DE102012019653A1 (de) Gasdichter schutzgasbegaster Industrieofen, insbesondere Kammerofen, Durchstoßofen, Drehherdofen oder Ringherdofen
EP0621904B1 (fr) Dispositif de traitement thermique de pieces metalliques
EP1555330B1 (fr) Installation et procédé pour transporter des pièces métalliques ainsi qu'une installation pour le traitement thermique de ces pièces
DE10109565A1 (de) Verfahren und Vorrichtung zur partiellen thermochemischen Vakuumbehandlung von metallischen Werkstücken
EP1333105B1 (fr) Procédé pour le traitement thermique d'articles métalliques et article traité thermiquement
DE3435376C2 (de) Verfahren zur Wärmebehandlung von Werkstücken
EP1685355B1 (fr) Installation pour le traitement thermique de pieces diverses
AT404029B (de) Niederdruck-aufkohlungsanlage
WO2010055163A1 (fr) Procédé et installation de cémentation continue
DE3640325C1 (de) Vorrichtung zur Waermebehandlung metallischer Werkstuecke in einer Kohlungsatmosphaere
DE4208848C2 (de) Verfahren zur thermochemischen Nachbehandlung von Stählen und Metallen
DE19919738A1 (de) Durchlaufofen mit einer Einrichtung zum Abschrecken von Werkstücken sowie Abschreckverfahren
DE602005005343T2 (de) Vorrichtung zur thermomechanischen behandlung bei niedrigem druck
DE19514289A1 (de) Verfahren und Ofenanlage zum Wärmebehandeln von Werkstücken
DE3233361A1 (de) Kontinuierlicher elektroofen zur chemisch-thermischen behandlung von stahlteilen
EP1153146B1 (fr) Four continu pourvu d'un dispositif pour la trempe de pieces et procede de trempe
DE8421677U1 (de) Drehherdofen zur waermebehandlung metallischer werkstuecke
DE1758460C (de) Ofenanlage zur Wärmebehandlung von Werkstücken unter Schutzgasatmosphären
DE102009007753A1 (de) Verfahren und Vorrichtung zum Entbindern und Sintern von pulvermetallurgisch hergestellten Produkten
DE2117081C3 (de) Ofenanlage zur Wärmebehandlung von Werkstücken unter Schutzgasatmosphäre
DE102020133461A1 (de) Thermisches Behandeln von Bauteilen

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT CH DE ES FR GB IT LI

17P Request for examination filed

Effective date: 19960917

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: IPSEN INTERNATIONAL GMBH

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

17Q First examination report despatched

Effective date: 19990423

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT CH DE ES FR GB IT LI

REF Corresponds to:

Ref document number: 187985

Country of ref document: AT

Date of ref document: 20000115

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: E. BLUM & CO. PATENTANWAELTE

Ref country code: CH

Ref legal event code: EP

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19991222

REF Corresponds to:

Ref document number: 59603946

Country of ref document: DE

Date of ref document: 20000127

ET Fr: translation filed
ITF It: translation for a ep patent filed

Owner name: ING. ZINI MARANESI & C. S.R.L.

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2141401

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20020115

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20020117

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20020129

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20020207

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20020214

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030207

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030207

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030208

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030228

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030228

GBPC Gb: european patent ceased through non-payment of renewal fee
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031031

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20030208

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050207

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20061221

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080902