Quality Glossary Definition: Process capability. Process capability is defined as a statistical measure of the inherent process variability of a given characteristic. You can use a process-capability study to assess the ability of a process to meet specifications.

What is process capability in TQM?

Process Capability (Cp) is a statistical measurement of a process’s ability to produce parts within specified limits on a consistent basis. … Process capability indices Cp and Cpk evaluate the output of a process in comparison to the specification limits determined by the target value and the tolerance range.

What is process capability in SPC?

The ability of a process to meet specifications (customer expectations) is defined as Process Capability, which is measured by indexes that compare the spread (variability) and centering of the process to the upper and lower specifications.