Capability indicators

To access the capability indicators, open “descriptive statistic/details” and enter the min and max tolerances for your production.

In order to appreciate the capacity of a production process to produce good parts, i.e. within the tolerance interval set during conception, we calculate the process capability indicators.

The process capability is defined by:

\(Cp=\frac{Tolerance \, Interval}{dispersion}\)

Within the context of normal distribution we consequently see \(dispersion=6\sigma\), then :

\(Cp=\frac{Tolerance \, Interval}{6\sigma}\)