B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
B23P 15/10 (2006.01) B21J 5/00 (2006.01) B21K 1/18 (2006.01) F02F 3/00 (2006.01)
Patent
CA 2452624
The invention relates to a method of manufacture of a piston for an internal combustion engine, the said piston being formed from a metal part cast in one piece, wherein heating of a billet is carried out so as to bring it to an intermediate temperature between its solidus temperature and its liquidus temperature, and that shaping thereof by thixoforging is carried out. The invention also relates to a piston (12) for an internal combustion engine, composed of a metal part cast in one piece, wherein it has been manufactured by heating of a billet so as to bring it to an intermediate temperature between its solidus temperature and its liquidus temperature, followed by shaping by thixoforging.
L'invention concerne un procédé de fabrication d'un piston pour moteur à explosion, ledit piston étant formé d'une pièce métallique monobloc, caractérisé en ce qu'on effectue un réchauffage d'un lopin pour l'amener à une température intermédiaire entre sa température de solidus et sa température de liquidus, et en ce qu'on effectue sa mise en forme par thixoforgeage. L'invention concerne aussi un piston (12) de moteur à explosion, composé d'une pièce métallique monobloc, caractérisé en ce qu'il a été fabriqué par réchauffage d'un lopin pour l'amener à une température intermédiaire entre sa température de solidus et sa température de liquidus, suivi d'une mise en forme par thixoforgeage.
Ascometal
Robic
LandOfFree
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