What’s capability index ?

What’s capability index ?

“Capability index” is a quantitative value to let us know information about a process performance ! It advises us of:

  • How stable a process is !
  • How capable of meeting specification a process is !

Why do we need capability index

  • To  have a quick understanding of process performance
  •  To be able to effectively predict yield, quality level and cost
  • To measure the effects of change in the system with greater speed and reliability
  •  To alter specification limits, it will have the data to back up its decision

Capability index application in SPC

Statistic Process Control

Statistic Process Control

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