Problem Types - Pulp and Paper
high basis weight variability (MD, CD, or residual)
high caliper variability
process variability
press vibration analysis
calender barring (hard nip or soft nip)
winder vibration analysis
winder roll throwouts
hard or soft paper edges at the reel (oxbow effect)
transient vibration analysis (especially important in
machine speedup situations)
torsional vibration analysis
wound roll structure
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