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Control for Aluminum Production and Other Processing Industries
book

Control for Aluminum Production and Other Processing Industries

by Mark P. Taylor, John J. Chen, Brent Richmond Young
October 2013
Intermediate to advanced content levelIntermediate to advanced
252 pages
8h 17m
English
CRC Press
Content preview from Control for Aluminum Production and Other Processing Industries
87
6
Diagnosing Variation in
Materials Processing
“I’ve looked at the past 12 months of potline data, Rob,” said Tony, the
statistician whom Rob had called for help. “There’s a lot there, and I can’t
interpret why many things have happened. That’s for you. However, I can
say that there have been 10 instances where the process has gone into an
out-of-control state for a period of a week or more: either temperature, AlF3%,
pot voltage, noise (mV), AE (anode effect) frequency (AEF), anode problems,
unscheduled anode changes (USCs), Fe%, Si%, or some combination of these.”
“Okay, but things happen in production, Tony,” Rob said. “We have to roll ...
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Publisher Resources

ISBN: 9781466514690