DE2748125C3 - Unterdruck-Aufkohlungsofen - Google Patents

Unterdruck-Aufkohlungsofen

Info

Publication number
DE2748125C3
DE2748125C3 DE2748125A DE2748125A DE2748125C3 DE 2748125 C3 DE2748125 C3 DE 2748125C3 DE 2748125 A DE2748125 A DE 2748125A DE 2748125 A DE2748125 A DE 2748125A DE 2748125 C3 DE2748125 C3 DE 2748125C3
Authority
DE
Germany
Prior art keywords
vacuum
furnace
fan motor
fan
cooling
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
Application number
DE2748125A
Other languages
German (de)
English (en)
Other versions
DE2748125B2 (de
DE2748125A1 (de
Inventor
Katsuro Meguro Tokyo Nakamura
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.)
IHI Corp
Original Assignee
Ishikawajima Harima Heavy Industries Co Ltd
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 Ishikawajima Harima Heavy Industries Co Ltd filed Critical Ishikawajima Harima Heavy Industries Co Ltd
Publication of DE2748125A1 publication Critical patent/DE2748125A1/de
Publication of DE2748125B2 publication Critical patent/DE2748125B2/de
Application granted granted Critical
Publication of DE2748125C3 publication Critical patent/DE2748125C3/de
Expired 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
    • 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
    • C23C8/22—Carburising of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Furnace Details (AREA)
DE2748125A 1976-10-28 1977-10-27 Unterdruck-Aufkohlungsofen Expired DE2748125C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12962276A JPS5354136A (en) 1976-10-28 1976-10-28 Vacuum carburizing furnace

Publications (3)

Publication Number Publication Date
DE2748125A1 DE2748125A1 (de) 1978-05-03
DE2748125B2 DE2748125B2 (de) 1979-11-15
DE2748125C3 true DE2748125C3 (de) 1982-04-29

Family

ID=15014018

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2748125A Expired DE2748125C3 (de) 1976-10-28 1977-10-27 Unterdruck-Aufkohlungsofen

Country Status (5)

Country Link
US (1) US4166610A (enExample)
JP (1) JPS5354136A (enExample)
BR (1) BR7707160A (enExample)
DE (1) DE2748125C3 (enExample)
GB (1) GB1568296A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10232432A1 (de) * 2002-07-17 2004-01-29 Linde Ag Verfahren und Vorrichtung zum Unterdruckaufkohlen

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191598A (en) * 1978-08-21 1980-03-04 Midland-Ross Corporation Jet recirculation method for vacuum carburizing
US4631175A (en) * 1984-03-20 1986-12-23 The Dow Chemical Company Preparation of chlorinated polyolefins
DE3416902A1 (de) * 1984-05-08 1985-11-14 Schmetz Industrieofenbau und Vakuum-Hartlöttechnik KG, 5750 Menden Verfahren und vakuumofen zur waermebehandlung einer charge
US5324415A (en) * 1989-06-09 1994-06-28 Blumenthal Robert N Apparatus and systems for analyzing a sample of treatment atmosphere having a carbon potential
US4966348A (en) * 1989-06-30 1990-10-30 Lindberg Corp. Method and apparatus for monitoring atmosphere in furnaces
FR2681332B1 (fr) * 1991-09-13 1994-06-10 Innovatique Sa Procede et dispositif de cementation d'un acier dans une atmosphere a basse pression.
US7033446B2 (en) * 2001-07-27 2006-04-25 Surface Combustion, Inc. Vacuum carburizing with unsaturated aromatic hydrocarbons
US6991687B2 (en) * 2001-07-27 2006-01-31 Surface Combustion, Inc. Vacuum carburizing with napthene hydrocarbons
DE10152204B4 (de) * 2001-10-23 2004-01-22 Schwäbische Härtetechnik Ulm GmbH Vorrichtung und Verfahren zum Messen und/oder Regeln der Aufkohlungsatmophäre in einer Vakuumaufkohlungsanlage
JP5311324B2 (ja) * 2007-08-31 2013-10-09 Ｎｔｎ株式会社 熱処理炉
EP2218998B1 (en) * 2009-02-03 2012-12-19 Ipsen, Inc. A sealing mechanism for a vacuum heat treating furnace
JP5650739B2 (ja) * 2009-08-07 2015-01-07 スウエイジロク・カンパニー 低真空下での低温浸炭
JP5429500B2 (ja) * 2011-07-19 2014-02-26 株式会社Ｉｈｉ 真空浸炭の品質管理方法と装置及び真空浸炭炉
SG11201403969UA (en) 2012-01-20 2014-08-28 Swagelok Co Concurrent flow of activating gas in low temperature carburization
US20160067807A1 (en) * 2014-09-04 2016-03-10 Rolls-Royce Corporation Dual zone furnace
JP6555470B2 (ja) * 2015-06-25 2019-08-07 学校法人トヨタ学園 浸炭制御方法
CN107884132B (zh) * 2017-11-10 2020-02-18 中国航发贵州黎阳航空动力有限公司 燃油总管热态密封试验方法
CN110794789B (zh) * 2019-11-18 2022-07-22 江麓机电集团有限公司 一种基于直生式气氛渗碳的催渗控制系统
CN113862608B (zh) * 2021-09-26 2024-03-01 南京高速齿轮制造有限公司 一种渗碳介质喷射装置
CN117344265B (zh) * 2023-08-07 2026-01-06 宁波环诚汽车轴承有限公司 一种GCr15零件的碳氮共渗工艺

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE693709C (de) * 1936-07-16 1940-07-17 Louis Renault Gas-Zementierofen mit einer Wirbelungsvorrichtung
US2329896A (en) * 1941-01-28 1943-09-21 Leeds & Northrup Co Method of and compound for carburizing
US2886478A (en) * 1953-06-29 1959-05-12 Honeywell Regulator Co Method and control apparatus for carburizing ferrous objects
US2818246A (en) * 1955-09-30 1957-12-31 Connecticut Metal Treating Co Method and apparatus for determining and/or controlling constituent potentials
AT201636B (de) * 1956-08-20 1959-01-10 Four Electr Delemont Sa Du Einrichtung zum Gaseinsatzhärten mit geschlossenem Kreislauf
US3025044A (en) * 1958-01-30 1962-03-13 Sunbeam Equip Vacuum furnace
US3041058A (en) * 1958-11-19 1962-06-26 Straumann Inst Ag Heat treatment apparatus
US3219331A (en) * 1961-12-18 1965-11-23 Illinois Nat Bank & Trust Co Heat treating furnace
US3259527A (en) * 1963-10-21 1966-07-05 Midland Ross Corp Electric heating elements for carburizing atmospheres
JPS5034261Y1 (enExample) * 1969-05-31 1975-10-06
DE2063776B2 (de) * 1970-12-24 1971-09-16 Fa Dr Werner Herdieckerhoff, 4750 Unna Vakuum blankgluehtopf
JPS4723051U (enExample) * 1971-04-05 1972-11-15
JPS5042093Y2 (enExample) * 1971-05-11 1975-11-29
US3782705A (en) * 1971-12-14 1974-01-01 Hayes Inc C I Continuously operated vacuum furnace having work part transfer conveyor and load and unload mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10232432A1 (de) * 2002-07-17 2004-01-29 Linde Ag Verfahren und Vorrichtung zum Unterdruckaufkohlen

Also Published As

Publication number Publication date
US4166610A (en) 1979-09-04
GB1568296A (en) 1980-05-29
JPS5354136A (en) 1978-05-17
BR7707160A (pt) 1978-07-25
JPS5428378B2 (enExample) 1979-09-17
DE2748125B2 (de) 1979-11-15
DE2748125A1 (de) 1978-05-03

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee