METHOD TO CONTROL AUTOMATIC POURING OF MOLTEN METAL BY A LADLE AND MEDIA FOR RECORDING PROGRAMS FOR CONTROLLING THE TILTING OF A LADLE
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United States of America Patent
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Issued Date -
Jan 14, 2010
app pub date -
Apr 6, 2007
filing date -
Apr 14, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention provides a method to control automatic pouring of molten metal by a ladle that is tilted, wherein the pouring can be carried out in a way that is as close as possible to that of an experienced operator by using a computer that has programs previously installed for such purpose.The method controls a servomotor, corresponding to the desired flow pattern of the molten metal, so that the molten metal can be poured into a mold, wherein the servomotor, which tilts the ladle to pour the molten metal in the mold, is controlled by a computer that has the programs previously installed to control the pouring. The method is characterized in that it comprises producing a mathematical model covering an electrical voltage that is supplied to the servomotor through the flow of the molten metal poured by the ladle, then obtaining the electrical voltage to be supplied to the servomotor by solving the inverse problem of the mathematical model thus produced, and controlling the servomotor based on the electrical voltage thus obtained and to be supplied to the servomotor.
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