Method of upsetting a metallic billet and jacket - top set for carrying out said method

Method of upsetting a metallic billet and jacket - top set for carrying out said method

The cylindrical billet (1), based e.g. on nickel and cobalt produced by powder metallurgy, is inserted in a jacket with a gap between it and the billet's lateral surface, and the assembly is placed in a ramming pot (10) so a force can be applied to it to produce a slenderness ratio of more than...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BERGUE, JEAN-PIERRE, LECONTE, GILBERT
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CASTING
FORGE FURNACES
FORGING
HAMMERING
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
POWDER METALLURGY
PRESSING METAL
PUNCHING METAL
RIVETING
TRANSPORTING
WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:The cylindrical billet (1), based e.g. on nickel and cobalt produced by powder metallurgy, is inserted in a jacket with a gap between it and the billet's lateral surface, and the assembly is placed in a ramming pot (10) so a force can be applied to it to produce a slenderness ratio of more than 2.8 : 1. The base of the jacket has a recess (5) shaped to receive the end of the billet, and its upper end is closed by a welded cover (6) with a recess (7) to hold the billet in position, with the weld being broken during the ramming process.