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Relation Between Measurement System Capability and Process Capability

Summary: [This abstract is based on the author's abstract.]

Measuring Cpk of product characteristics is not enough. It is also necessary to know the capability of the measuring system. When the ratio of product variability to measuring error becomes less than three, the process is no longer in control, but tracking the measuring instrument. The application of a new measurement index (MI) is explained through an example.

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  • Topics: Process Capability
  • Keywords: Process capability (Cp),Measurement and control,Process capability index (Cpk),Capability study
  • Author: Persija, Marcel; Van Nuland, Yves
  • Journal: Quality Engineering