Cpk and Gage R&R for Mark Contrast and Adhesion Measurement
Capability numbers mean nothing if the measurement system consumes the tolerance. Measurement system analysis for contrast, adhesion and surface energy.
Writing a Marking, Coating or Adhesion Specification a Supplier Can Be Held To
Specifications fail when they state an outcome without a method. What to include so that both parties can reach the same verdict on the same parts.
When a Process Change Needs Revalidation — and When It Does Not
Treating every change as major stops improvement; treating none as major invites failure. A graded framework for deciding what a change actually requires.
IQ, OQ and PQ for a Laser Marking Process: What Auditors Actually Ask For
Validating a marking process means proving the window, not the setting. How installation, operational and performance qualification apply to laser marking.
