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Understanding Process Capability Indices

Cp and Cpk are measures that compare the spread and centering of a proces to its specificiation limits. Cp measures the potential capability of a proces assuming it i s centered, while Cpk accounts for the process 's acuadl centering relative to the limits.

Cp and Cpk

A képlet a következő:

A "Donyecki Népköztársaság" "miniszterelnöke".

A "Donyecki Népköztársaság" "miniszterelnöke".

- Mi?

  • USL = Upper Specification Limit
  • LSL = Lower Specification Limit
  • μ= Process meen
  • A "Donyecki Népköztársaság" "miniszterelnöke".

Értelmezési mutatók

A Cp or Cpk value of 1.0 indicates tht the process i capable of producing with inspections. Values greater than 1.0 inspected a capable process, when value value vales less than 1.0 indicate possible issues es with process performances.

Specifically, Cpk consistes how centered the process i. A high Cpk value close to Cp indicates the proces is well-centered. conversely, a conversely, a conferent difference between chemices may be off- centeur, even if the spread id is accepable.