DE59408379D1 - Process for remelting surface areas of workpieces - Google Patents

Process for remelting surface areas of workpieces

Info

Publication number
DE59408379D1
DE59408379D1 DE59408379T DE59408379T DE59408379D1 DE 59408379 D1 DE59408379 D1 DE 59408379D1 DE 59408379 T DE59408379 T DE 59408379T DE 59408379 T DE59408379 T DE 59408379T DE 59408379 D1 DE59408379 D1 DE 59408379D1
Authority
DE
Germany
Prior art keywords
workpieces
surface areas
remelting
remelting surface
areas
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
DE59408379T
Other languages
German (de)
Inventor
Klaus Dr Ing Heck
Rolf Dr Ing Zenker
Norbert Dipl Ing Frenkler
Klaus Dipl Phys Schaedlich
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.)
Audi AG
Original Assignee
Audi AG
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 Audi AG filed Critical Audi AG
Application granted granted Critical
Publication of DE59408379D1 publication Critical patent/DE59408379D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • 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
    • C21D5/00—Heat treatments of cast-iron
    • 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
    • C21D9/30—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for crankshafts; for camshafts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
DE59408379T 1993-03-26 1994-03-18 Process for remelting surface areas of workpieces Expired - Fee Related DE59408379D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4309870A DE4309870A1 (en) 1993-03-26 1993-03-26 Process for remelting surface areas of workpieces

Publications (1)

Publication Number Publication Date
DE59408379D1 true DE59408379D1 (en) 1999-07-15

Family

ID=6483940

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4309870A Withdrawn DE4309870A1 (en) 1993-03-26 1993-03-26 Process for remelting surface areas of workpieces
DE59408379T Expired - Fee Related DE59408379D1 (en) 1993-03-26 1994-03-18 Process for remelting surface areas of workpieces

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4309870A Withdrawn DE4309870A1 (en) 1993-03-26 1993-03-26 Process for remelting surface areas of workpieces

Country Status (2)

Country Link
EP (1) EP0617134B1 (en)
DE (2) DE4309870A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19637464C1 (en) 1996-09-13 1997-10-09 Fraunhofer Ges Forschung Wear resistant camshaft
DE19909184C2 (en) * 1999-03-03 2001-08-30 Saechsische Elektronenstrahl G Method of manufacturing a camshaft and camshaft produced thereafter
DE19919611C2 (en) * 1999-04-17 2001-04-26 Saechsische Elektronenstrahl G Process for remelting surfaces using charge carrier jets

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2344270A1 (en) * 1973-09-01 1975-03-27 Audi Nsu Auto Union Ag Wear resistance of grey cast iron camshaft surfaces increased - by remelting surface portions
SU705699A2 (en) * 1976-05-03 1979-12-25 Орденов Ленина И Трудового Красного Знамени Институт Электросварки Им. Е.О.Патона Apparatus for electron beam heating of materials
DD130115B1 (en) * 1977-03-11 1981-05-27 Siegfried Panzer Method for preventing the entry of vapors, gases and particles into electron emitters
FI802179A (en) * 1980-07-07 1982-01-08 Valmet Oy FOER FARANDE OCH ANORDNING I FRAMSTAELLNINGEN AV FOEREMAOL AV GJUTJAERN MED HAORD YTA I SYNNERHET AV VALSAR SAOSOM VALSAR FOER STAOLINDUSTRIN ELLER PAPPERSKALANDRERINGSVALSAR SAMT ENLIGT FOERFARANDET EL
DD238396A1 (en) * 1985-06-19 1986-08-20 Mikromat Dresden Fritz Heckert METHOD FOR PRODUCING WEAR-RESISTANT SLICING SURFACES
JPS6233720A (en) * 1985-08-08 1987-02-13 Toyota Motor Corp Production of chilled cam shaft by remelting
SU1694660A1 (en) * 1987-06-18 1991-11-30 Ворошиловградский машиностроительный институт Method of thermal hardening of parts
DD270090A1 (en) * 1988-03-21 1989-07-19 Ardenne Forschungsinst PROCESS FOR SURFACE MELTING WITH ELECTRON RADIATION
DD270087A1 (en) * 1988-03-21 1989-07-19 Ardenne Forschungsinst METHOD FOR THE THERMAL SURFACE HARDENING WITH ENERGY RAYS
JPH06104846B2 (en) * 1988-12-20 1994-12-21 マツダ株式会社 Cast iron sliding member and manufacturing method thereof
DE4130462C1 (en) * 1991-09-13 1992-08-27 Saechsische Elektronenstrahlgesellschaft Mbh, O-9005 Chemnitz, De Curved surfaces partic. of cams on camshafts - which are hardened by remelting under an electron beam which is moved in two dimensions at high frequency

Also Published As

Publication number Publication date
EP0617134B1 (en) 1999-06-09
DE4309870A1 (en) 1994-09-29
EP0617134A1 (en) 1994-09-28

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee