Process Capability & Control

Using Statistical Process Control (SPC) to monitor, control, and improve process capability.

Process Performance Overview

Process Capability (Cpk)
1.25

Target > 1.33

Process Potential (Cp)
1.33

Measures potential performance

DPMO
1,500

Defects Per Million Opps.

Sigma Level
4.5 σ

Process performance rating

X-bar Control Chart
Monitors the process mean over time. Out-of-control points are highlighted.
Process Distribution Histogram
Shows the distribution of process data against specification limits.