Casting valve with a post-compression piston
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United States of America Patent
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May 9, 2017
Grant Date -
May 12, 2016
app pub date -
Jan 21, 2016
filing date -
May 27, 2013
priority date (Note) -
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Abstract
A method for a die casting with a casting device which includes a casting valve with a valve piston and a post-compression piston configured to provide a post-compression. The method includes providing a casting valve in a closed position and a mold cavity which is cleaned and prepared for a mold filling process, opening the casting valve for a casting, filling the casting valve with a melt, closing the casting valve after the filling with the melt, cooling the casting valve and the melt, and removing a cast part. A post-compression is provided to the melt during the cooling by the post-compression piston.
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