Process and apparatus for pressure die-casting

Details Process and apparatus for pressure die-casting Process and apparatus for pressure die-casting

B - Operations, Transporting

22

D

B22D 17/04 (2006.01) B22D 17/20 (2006.01) B22D 17/30 (2006.01) B22D 17/32 (2006.01)

Patent

CA 2152758

A process and an apparatus for the die-casting of pressure-cast metal parts according to which a metered quantity of the molten metal in a furnace is fed, under pressure, into the cavity of a die assembly by means of an injection device operated under controlled pressure and speed conditions; the molten metal is supplied at a pressure ranging between 50 and 350 Atm (4,9 - 34,3 MPa), and under laminar flow conditions by means of a thermally controlled injection device comprising zones thermally regulated at different temperatures for maintaining a condition of axial alignment between the chamber and the plunger of the injection device.

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