Gage R&R Evidence: Which Gauge Serial Did Appraisers Use?
Your MSA report names one gauge serial. Three appraisers on three shifts used the crib. Prove which serial they held, and that it was calibrated.
Tag: ppap element 8 msa
Conditional Gage R&R: Turn 10–30% %GRR Into Controls
Your bore gauge came in at 18% GRR and the customer said "acceptable, with conditions." Here's how to make those conditions survive to the next audit.
%GRR: %Tolerance vs %Study Variation Explained
Your Gage R&R read 9%. Against tolerance, or the parts you grabbed? The denominator trap that decides whether your PPAP element 8 study survives review.
An Adjusted Gauge Owes You a New MSA Study
An as-found fail, as-left pass gauge is a modified gauge. PPAP element 8 wants a fresh MSA before it re-qualifies parts. Here's why, and how to prove it.