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PROCESS DRIFT

PROCESS DRIFT. AN EXAMPLE OF SUBSTANCE OF PAPER AS CTP. Process CTP Measured by Operator A Over a Period of Time – Day 1. The Same CTP Measured By Operator B Over Same Time – Day 1. The Same CTP Measured By Operator C Over Same Period Of Time the Same Day.

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PROCESS DRIFT

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  1. PROCESS DRIFT AN EXAMPLE OF SUBSTANCE OF PAPER AS CTP

  2. Process CTP Measured by Operator A Over a Period of Time – Day 1

  3. The Same CTP Measured By Operator B Over Same Time – Day 1

  4. The Same CTP Measured By Operator C Over Same Period Of Time the Same Day

  5. Same CTP Measured By Operator A on the 2nd Day Over The Same Period Of Time

  6. The Same CTP Measured on 2nd Day By Operator B Over Same Time

  7. The Same CTP Measured Over The Same Period Of Time on 2nd Day

  8. The Same CTP Measured By Operator A on the 3rd Day

  9. CTP Measured By Operator B the 3rd Day

  10. CTP Measured By Operator C on the 3rd Day Over Same Time

  11. OVERALL PROCESS

  12. OVERALL PROCESS

  13. CONCLUSIONS • One can look at the Process Variation • over a same period of time on the same day by different operators. • by the same operator at different periods of time on different days. • This is called Process Drift, which can provide an approximate estimate of how well the process is centered towards its target. • One can stabilize the process by taking corrective actions for special cause variations visiting the process by process standardization & standard operating procedures.

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