FI86560B - Foerfarande foer vaermebehandling av metallkroppar. - Google Patents

Foerfarande foer vaermebehandling av metallkroppar. Download PDF

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Publication number
FI86560B
FI86560B FI884513A FI884513A FI86560B FI 86560 B FI86560 B FI 86560B FI 884513 A FI884513 A FI 884513A FI 884513 A FI884513 A FI 884513A FI 86560 B FI86560 B FI 86560B
Authority
FI
Finland
Prior art keywords
cooling
gas
helium
cooling gas
mpa
Prior art date
Application number
FI884513A
Other languages
English (en)
Finnish (fi)
Other versions
FI86560C (sv
FI884513A (fi
FI884513A0 (fi
Inventor
Rolf Schuster
Paul Heilmann
Friedrich Preisser
Original Assignee
Degussa
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
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Application filed by Degussa filed Critical Degussa
Publication of FI884513A0 publication Critical patent/FI884513A0/fi
Publication of FI884513A publication Critical patent/FI884513A/fi
Application granted granted Critical
Publication of FI86560B publication Critical patent/FI86560B/fi
Publication of FI86560C publication Critical patent/FI86560C/sv

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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
    • 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
    • C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
    • 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
    • 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
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • 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
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/161—Gas inflow or outflow

Claims (4)

1. Förfarande för värmebehandling av metalliska arbetsstycken i en vakuumugn genom att upphetta arbets- 5 styckena och därefter kylä ned dem i en kylgas under un-dertryck, vilken kylgas cirkuleras, känneteck-n a t därav, att som kylgas används helium, väte, bland-ningar av helium och väte eller helium- och/eller väte-blandningar som innehäller högst 30 volym-% inertgas, det 10. ugnen rädande kylgastrycket "p" regleras vid nedkylnin-gen tili 1-4 MPa och kylgasens hastighet "v" väljs sä att produkten p'v är 10 - 250 m*MPa*s-1.
2. Förfarande enligt patentkravet 1, kanne-t e c k n a t därav, att som kylgas används helium eller 15 heliumblandningar som innehäller högst 30 volym-% väte och/eller inertgaser.
3. Förfarande enligt patentkravet 1 eller 2, k ä n-netecknat därav, att det i ugnen vid nedkyl-ningen rädande kylgastrycket regleras tili 1,4 - 3,0 MPa. 20
4. Förfarande enligt nägot av patentkraven 1-3, kännetecknat därav, att kylgasen cirkuleras med hjälp av en fläkt.
FI884513A 1987-10-28 1988-09-30 Förfarande för värmebehandling av metallkroppar FI86560C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3736501A DE3736501C1 (de) 1987-10-28 1987-10-28 Verfahren zur Waermebehandlung metallischer Werkstuecke
DE3736501 1987-10-28

Publications (4)

Publication Number Publication Date
FI884513A0 FI884513A0 (fi) 1988-09-30
FI884513A FI884513A (fi) 1989-04-29
FI86560B true FI86560B (fi) 1992-05-29
FI86560C FI86560C (sv) 1992-09-10

Family

ID=6339263

Family Applications (1)

Application Number Title Priority Date Filing Date
FI884513A FI86560C (sv) 1987-10-28 1988-09-30 Förfarande för värmebehandling av metallkroppar

Country Status (28)

Country Link
US (1) US4867808A (sv)
EP (1) EP0313888B2 (sv)
JP (1) JP3068135B2 (sv)
CN (1) CN1015066B (sv)
AT (1) ATE65801T1 (sv)
AU (1) AU606473B2 (sv)
BG (1) BG49828A3 (sv)
BR (1) BR8805492A (sv)
CA (1) CA1308631C (sv)
CS (1) CS274632B2 (sv)
DD (1) DD283421A5 (sv)
DE (2) DE3736501C1 (sv)
DK (1) DK167497B1 (sv)
ES (1) ES2023993T5 (sv)
FI (1) FI86560C (sv)
HR (1) HRP920581B1 (sv)
HU (1) HU204102B (sv)
IL (1) IL87762A (sv)
MX (1) MX169690B (sv)
NO (1) NO169244C (sv)
PL (1) PL159767B1 (sv)
PT (1) PT88896A (sv)
RO (1) RO110067B1 (sv)
RU (1) RU1813104C (sv)
SI (1) SI8811937A8 (sv)
UA (1) UA13002A (sv)
YU (1) YU46574B (sv)
ZA (1) ZA886853B (sv)

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DE3819803C1 (sv) * 1988-06-10 1989-12-14 Ulrich 5810 Witten De Wingens
DE3828134A1 (de) * 1988-08-18 1990-02-22 Linde Ag Verfahren zur waermebehandlung von werkstuecken
FR2660744B1 (fr) * 1990-04-04 1994-03-11 Air Liquide Four a cloches.
FR2660669B1 (fr) * 1990-04-04 1992-06-19 Air Liquide Procede et installation de traitement thermique d'objets avec trempe en milieux gazeux.
US5173124A (en) * 1990-06-18 1992-12-22 Air Products And Chemicals, Inc. Rapid gas quenching process
DE4100989A1 (de) * 1991-01-15 1992-07-16 Linde Ag Verfahren zur waermebehandlung in vakuumoefen
DE4132712C2 (de) * 1991-10-01 1995-06-29 Ipsen Ind Int Gmbh Vakuumofen zur Plasmaaufkohlung metallischer Werkstücke
DE4208485C2 (de) * 1992-03-17 1997-09-04 Wuenning Joachim Verfahren und Vorrichtung zum Abschrecken metallischer Werkstücke
US5478985A (en) * 1993-09-20 1995-12-26 Surface Combustion, Inc. Heat treat furnace with multi-bar high convective gas quench
DE4419332A1 (de) * 1994-06-02 1995-12-14 Wuenning Joachim Industriebrenner mit geringer NO¶x¶-Emission
US5524020A (en) * 1994-08-23 1996-06-04 Grier-Jhawar-Mercer, Inc. Vacuum furnace with movable hot zone
AT405190B (de) * 1996-03-29 1999-06-25 Ald Aichelin Ges M B H Verfahren und vorrichtung zur wärmebehandlung metallischer werkstücke
ATE245710T1 (de) * 1996-04-26 2003-08-15 Nippon Steel Corp Primärkühlverfahren für das kontinuierliche glühen von stahlbändern
DE19709957A1 (de) * 1997-03-11 1998-09-17 Linde Ag Verfahren zur Gasabschreckung metallischer Werkstücke nach Wärmebehandlungen
US5934871A (en) * 1997-07-24 1999-08-10 Murphy; Donald G. Method and apparatus for supplying a anti-oxidizing gas to and simultaneously cooling a shaft and a fan in a heat treatment chamber
FR2779218B1 (fr) * 1998-05-29 2000-08-11 Etudes Const Mecaniques Cellule de trempe sous gaz
DE19824574A1 (de) * 1998-06-02 1999-12-09 Linde Ag Verfahren und Vorrichtung zur effektiven Abkühlung von Behandlungsgut
DE19920297A1 (de) * 1999-05-03 2000-11-09 Linde Tech Gase Gmbh Verfahren zur Wärmebehandlung metallischer Werkstücke
EP1088901B1 (de) * 1999-09-24 2002-10-09 Ipsen International GmbH Verfahren zur Wärmebehandlung metallischer Werkstücke
FR2801059B1 (fr) * 1999-11-17 2002-01-25 Etudes Const Mecaniques Procede de trempe apres cementation a basse pression
DE10030046C1 (de) * 2000-06-19 2001-09-13 Ald Vacuum Techn Ag Verfahren und Vorrichtung zum Bestimmen der Abkühlwirkung einer strömenden Gasatmosphäre auf Werkstücke
DE10044362C2 (de) * 2000-09-08 2002-09-12 Ald Vacuum Techn Ag Verfahren und Ofenanlage zum Vergüten einer Charge von Werkstücken aus Stahl
US20020104589A1 (en) * 2000-12-04 2002-08-08 Van Den Sype Jaak Process and apparatus for high pressure gas quenching in an atmospheric furnace
DE10108057A1 (de) * 2001-02-20 2002-08-22 Linde Ag Verfahren zum Abschrecken von metallischen Werkstücken
DE10109565B4 (de) 2001-02-28 2005-10-20 Vacuheat Gmbh Verfahren und Vorrichtung zur partiellen thermochemischen Vakuumbehandlung von metallischen Werkstücken
FR2835907B1 (fr) * 2002-02-12 2004-09-17 Air Liquide Installation de trempe par gaz et procede de trempe correspondant
KR100591355B1 (ko) * 2002-03-25 2006-06-19 히로히사 타니구치 핫가스 담금질 장치 및 핫가스 열처리방법
WO2005123970A1 (en) * 2004-06-15 2005-12-29 Narasimhan Gopinath A process and device for hardening metal parts
PL202005B1 (pl) * 2004-11-19 2009-05-29 Politechnika & Lstrok Odzka In Urządzenie do hartowania z zamkniętym obiegiem wodoru
DE102005045783A1 (de) * 2005-09-23 2007-03-29 Sistem Teknik Endustriyel Elektronik Sistemler Sanayi Ve Ticaret Ltd. Sirketi Einkammer-Vakuumofen mit Wasserstoffabschreckung
CN101880760A (zh) * 2010-07-09 2010-11-10 中国第一汽车集团公司 大型压铸模具的真空等温热处理工艺
US9995481B2 (en) 2011-12-20 2018-06-12 Eclipse, Inc. Method and apparatus for a dual mode burner yielding low NOx emission
CN105695716A (zh) * 2016-01-29 2016-06-22 柳州市安龙机械设备有限公司 硬质合金刀具的热处理方法

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JPS58147514A (ja) * 1982-02-24 1983-09-02 Ishikawajima Harima Heavy Ind Co Ltd ガス冷却熱処理法
US4462577A (en) * 1982-12-16 1984-07-31 C.I. Hayes Inc. Apparatus for gas cooling work parts under high pressure in a continuous heat treating vacuum furnace
AT395321B (de) * 1983-07-05 1992-11-25 Ebner Ind Ofenbau Verfahren zum abkuehlen von chargen in diskontinuierlich arbeitenden industrieoefen, insbesondere von stahldraht- oder - bandbunden in haubengluehoefen
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Also Published As

Publication number Publication date
JP3068135B2 (ja) 2000-07-24
YU46574B (sh) 1993-11-16
NO884389D0 (no) 1988-10-04
IL87762A (en) 1993-01-31
DK596588A (da) 1989-04-29
NO884389L (no) 1989-05-02
PL275471A1 (en) 1989-05-02
SI8811937A8 (en) 1997-06-30
FI86560C (sv) 1992-09-10
UA13002A (uk) 1997-02-28
PL159767B1 (pl) 1993-01-29
CN1033841A (zh) 1989-07-12
ATE65801T1 (de) 1991-08-15
EP0313888B1 (de) 1991-07-31
HU204102B (en) 1991-11-28
EP0313888A1 (de) 1989-05-03
CS274632B2 (en) 1991-09-15
ZA886853B (en) 1989-05-30
NO169244B (no) 1992-02-17
BR8805492A (pt) 1989-07-04
DK596588D0 (da) 1988-10-27
IL87762A0 (en) 1989-02-28
DE3864007D1 (de) 1991-09-05
HRP920581A2 (hr) 1995-02-28
ES2023993B3 (es) 1992-02-16
JPH01149920A (ja) 1989-06-13
CS711188A2 (en) 1990-10-12
DK167497B1 (da) 1993-11-08
ES2023993T5 (es) 1998-08-01
HRP920581B1 (en) 1997-10-31
FI884513A (fi) 1989-04-29
CA1308631C (en) 1992-10-13
BG49828A3 (en) 1992-02-14
DE3736501C1 (de) 1988-06-09
AU606473B2 (en) 1991-02-07
US4867808B1 (sv) 1994-02-22
US4867808A (en) 1989-09-19
EP0313888B2 (de) 1998-06-17
RU1813104C (ru) 1993-04-30
FI884513A0 (fi) 1988-09-30
DD283421A5 (de) 1990-10-10
PT88896A (pt) 1989-09-14
HUT49651A (en) 1989-10-30
RO110067B1 (ro) 1995-09-29
NO169244C (no) 1992-05-27
AU2440488A (en) 1989-05-04
YU193788A (en) 1990-04-30
MX169690B (es) 1993-07-19
CN1015066B (zh) 1991-12-11

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