DE2965753D1 - Apparatus for manufacturing of work pieces of fully hardenable material with areas of differing hardness, in particular flanged piston sleeves for fuel injection pumps - Google Patents

Apparatus for manufacturing of work pieces of fully hardenable material with areas of differing hardness, in particular flanged piston sleeves for fuel injection pumps

Info

Publication number
DE2965753D1
DE2965753D1 DE7979890043T DE2965753T DE2965753D1 DE 2965753 D1 DE2965753 D1 DE 2965753D1 DE 7979890043 T DE7979890043 T DE 7979890043T DE 2965753 T DE2965753 T DE 2965753T DE 2965753 D1 DE2965753 D1 DE 2965753D1
Authority
DE
Germany
Prior art keywords
areas
manufacturing
fuel injection
work pieces
hardenable material
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
DE7979890043T
Other languages
German (de)
Inventor
Oswald Zajak
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.)
Friedmann and Maier AG
Original Assignee
Friedmann and Maier 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 Friedmann and Maier AG filed Critical Friedmann and Maier AG
Application granted granted Critical
Publication of DE2965753D1 publication Critical patent/DE2965753D1/en
Expired 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
    • C21D1/34—Methods of heating
    • C21D1/44—Methods of heating in heat-treatment baths
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D9/0006—Details, accessories not peculiar to any of the following furnaces
    • C21D9/0025—Supports; Baskets; Containers; Covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/445—Selection of particular materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat Treatment Of Articles (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
DE7979890043T 1978-11-06 1979-10-25 Apparatus for manufacturing of work pieces of fully hardenable material with areas of differing hardness, in particular flanged piston sleeves for fuel injection pumps Expired DE2965753D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0792678A AT370136B (en) 1978-11-06 1978-11-06 DEVICE FOR HARDENING WORKPIECES

Publications (1)

Publication Number Publication Date
DE2965753D1 true DE2965753D1 (en) 1983-07-28

Family

ID=3600798

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979890043T Expired DE2965753D1 (en) 1978-11-06 1979-10-25 Apparatus for manufacturing of work pieces of fully hardenable material with areas of differing hardness, in particular flanged piston sleeves for fuel injection pumps

Country Status (3)

Country Link
EP (1) EP0012130B1 (en)
AT (1) AT370136B (en)
DE (1) DE2965753D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH657151A5 (en) * 1983-10-26 1986-08-15 Bbc Brown Boveri & Cie DEVICE FOR ZONE GLOWING OF A WORKPIECE CONSISTING OF A HIGH-TEMPERATURE MATERIAL AND METHOD FOR ZONE GLOWING.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE44708C (en) * G. schmidt in Köpenick bei Berlin Apparatus for heating horseshoe studs to harden them
DE424798C (en) * 1925-06-27 1926-02-03 Allg Elek Citaets Ges Fa Electric salt bath oven
DE684060C (en) * 1936-09-11 1939-11-21 Bauer & Schaurte Device for the partial hardening of mass products
US2248474A (en) * 1939-02-22 1941-07-08 Griffin Joseph Darius Salt bath furnace
US2396850A (en) * 1943-03-12 1946-03-19 Lyman S Hughes Apparatus for heat-treating metal objects
DE1816141A1 (en) * 1968-12-20 1970-06-25 Gottlieb Guehrung Fa Steadying rod-shaped workpieces such as drills - in holes of a holding plate during tempering
AT312995B (en) * 1972-04-05 1974-01-25 Friedmann & Maier Ag Injection pump for internal combustion engines

Also Published As

Publication number Publication date
EP0012130A1 (en) 1980-06-11
EP0012130B1 (en) 1983-06-22
AT370136B (en) 1983-03-10
ATA792678A (en) 1982-07-15

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee