Runnability systems give mills an edge on quality and throughput. (paper mills)

Runnability systems give mills an edge on quality and throughput Even the most modern computerized process control systems display one "long-term" machine and quality variations: those that occur every 30 seconds or more. For high speed machines, this translates into about a third of a mile of paper.

But what about quality variations within that third of a mile of paper? A growing number of mills want to analyze and attack these "short-term" variations as well. These variations--caused by critical rotating elements on the paper machine such as fan pumps, screens, wires, felts and rolls--limit both machine runnability and quality at the reel.

Computerized paper machine runnability systems can help. They are rapidly finding a place in the control rooms of mills operating high-speed paper machines. Sensodec, a subsidiary of the …