Speed synchronization system of aluminum alloy slab continuous casting and rolling line and production facility and method of production of aluminum alloy continuously cast and rolled slab using same
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United States of America Patent
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Dec 3, 2013
Grant Date -
Mar 21, 2013
app pub date -
Nov 15, 2012
filing date -
Dec 8, 2005
priority date (Note) -
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Abstract
The invention relates to a speed synchronization system for an aluminum alloy slab continuously casting and rolling line having a twin-belt casting machine and skin pass rolling machine which controls the belt speed of the twin-belt casting machine and roll speed of the skin pass rolling machine. An actually measured value of a slab speed during advance from a twin-belt casting machine to a skin pass rolling machine is compared with a line speed setting to control roll speed of the skin pass rolling machine by proportional/integrated control and simultaneously control belt speed of the twin-belt casting machine based on the line speed setting and a solidification shrinkage rate of the aluminum alloy to be cast.
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