Method of squeeze forming metal articles

Details Method of squeeze forming metal articles Method of squeeze forming metal articles

B - Operations, Transporting

22

D

22/175

B22D 17/22 (2006.01) B22C 9/10 (2006.01) B22D 15/02 (2006.01) B22D 19/00 (2006.01) F02B 23/06 (2006.01) F02F 3/04 (2006.01)

Patent

CA 1229466

16 ABSTRACT A squeeze formed aluminum alloy article, such as a piston, is formed with a reentrant cavity 14 with reinforced edges by locating an isostatically compacted salt core 10 and annular alumina-silicate fire pad 11 in the mound cavity of the squeeze forming press prior to introduction of the molten metal therein. The core 14 is subsequently dissolved from the squeeze formed article to provide a reinforced corresponding shape to the article which does not require subsequent machining.

476817

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