Back قدرة المعلاج Arabic Capacitat de procés Catalan Prozessfähigkeitsuntersuchung German Capacidad del proceso Spanish Capacità di un processo Italian Prosesskapabilitet NB 过程能力 Chinese

Process capability

This article is about the quantifiable measure of a process. For software process capability, see Capability Maturity Model and ISO/IEC 15504.

The process capability is a measurable property of a process to the specification, expressed as a process capability index (e.g., Cpk or Cpm) or as a process performance index (e.g., Ppk or Ppm). The output of this measurement is often illustrated by a histogram and calculations that predict how many parts will be produced out of specification (OOS).

Two parts of process capability are:

  1. Measure the variability of the output of a process, and
  2. Compare that variability with a proposed specification or product tolerance
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