What Is Process Capability in Manufacturing?
A calibrated explainer of process capability indices: what Cp, Cpk, Pp, and Ppk actually measure, what they do not measure, and how to interpret them.
· By Hélène
Process Capability
Run capability studies you can defend to customers, auditors, and leadership.
How to Read a Minitab Process Capability Report Line by Line
A step-by-step walkthrough of Minitab's process capability report. Understand stability, normality, Cpk vs. Ppk, and PPM to accurately assess your manufacturing process performance.
· By Hélène
What Is the Difference Between Cp, Cpk, Pp, and Ppk?
Cp and Cpk describe short-term, within-subgroup process capability assuming stability. Pp and Ppk describe overall, long-term performance using all observed variation. Cp and Pp ignore centering; Cpk and Ppk penalize an off-center process.
· By Hélène
Reporting Process Capability to Plant Managers: A Practical Guide
A practical guide to reporting Cp, Cpk, Pp, and Ppk to Plant Managers in a way that drives clear decisions, with stability checks, plain language translations, and concrete action recommendations.
· By Hélène