Low-velocity die-casting
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United States of America Patent
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N/A
Issued Date -
Dec 11, 2003
app pub date -
Oct 25, 2002
filing date -
Oct 26, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The casting process of this invention focuses on the existing die-casting applications while offering benefits heretofore not available in die-casting. The benefits that the users receive from this process include longer tool life (up to 5 times). The other major benefit is better part quality (i.e., less internal porosity and better dimensional capability). The process utilizes molten metal 20 at the die cast machine 10. This invention is distinguishable from semi-solid molding or forming due in large part to the use of molten or fully liquid metal 20. The ladle 22 operation that delivers the molten metal 20 to the injection chamber 34 is another primary feature of this invention. A controller 28 is utilized that communicates with the furnace 30 and the ladle delivery system 22 to regulate the temperature of the molten metal 20 and the pour speed.
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