Magnesium die casting system

Details Magnesium die casting system Magnesium die casting system

2005-08-09

2005-08-09

Johnson, Jonathan (Department: 1725)

Metal founding

Means to shape metallic material

Pressure shaping means

C164S337000

Reexamination Certificate

active

06926066

ABSTRACT:
An improved magnesium die casting system incorporates filling of the shot sleeve from the underside and/or in-line re-melting of scrap magnesium using a re-melt furnace. A pump is used to transfer molten magnesium from a casting furnace to the shot sleeve through an underflow filling tube. The shot sleeve is filled in a laminar manner, minimizing entrapped gases. The in-line re-melt system allows recycling of scrap in-house and reduces energy cost associated with heating and re-heating scrap. The improved system increases casting quality and reduces scrap rates and recycling costs.

REFERENCES:
patent: 3843355 (1974-10-01), Reding
patent: 4061176 (1977-12-01), Carbonnel
patent: 4571258 (1986-02-01), Bamji et al.
patent: 4753283 (1988-06-01), Nakano
patent: 5370171 (1994-12-01), Fields et al.
patent: 5388633 (1995-02-01), Mercer et al.
patent: 5914440 (1999-06-01), Celik et al.

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