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PID - ISA EXPO 2000

Michel Ruel
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Product ISBN/ID:
TP00ISA1015

Stock Status: In Stock

About

A mill (Canada) produces specialty paper. For many years, one of the mill's older machines had a low efficiency compared to the others; the uptime for this machine was 83% and below the budget.

At the same time the variability 1 for this machine was high, 1.4% for the basis weight and 6 % for the moisture content. The quality needed improvement and the machine broke too often.

The average uptimes for the previous years are:


  • 1997 83.3%
  • 1998 84.3%
  • 1999 83.2%
  • average of above 83.6%


The average variability remained the same month after month for the last three years:

  • Basis weight variability 1.4%
  • Humidity variability 6.1%


After investing 70 thousand dollars in optimization, paper machine's uptime increased by 4%, increasing their bottom line by 1.8 million dollars per year. A side benefit was a more uniform, higher quality product, with less variability.

In the last four months, the average uptime was:

  • November 99 90.1%
  • December 99 83.3% (Christmas shutdown)
  • January 00 88.4%
  • February 00 88.6%
  • Average of above 87.6%


The average variability for the last four months:

  • Basis weight variability 0.71%
  • Humidity variability 2.91%


This variability is cut by half.

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Format: PDF File
Shipping Weight: .00 lb(s)
Copyright: 2000

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