How to use an AQL calculator
Use an AQL calculator to set the sample size and acceptance limits. Record the inspection level, count rejected units correctly, and avoid common sampling errors.
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Use these before the next floor walk
Critical, major, and minor defects
Classify critical, major, and minor defects with product-specific examples. Build an agreed defect list and record clear evidence before making a lot decision.
Control limits vs specification limits
Learn the difference between UCL/LCL and USL/LSL. Use a worked factory example to separate process stability, product acceptance, and the next quality action.
How to Run a Final Random Inspection (Step-by-Step)
A step-by-step guide to running a final random inspection: from setting your AQL threshold before the walk to issuing a clear pass, hold, or fail with documented proof.
What to Include in a Quality Inspection Report
The essential sections every factory inspection report needs: from order details and sample size to defect photos and a clear pass/fail decision that holds up in a dispute.
Pre-Production Inspection Checklist for Factory Teams
A practical pre-production inspection checklist covering materials, approved samples, equipment, and documentation, so problems get caught before the line starts, not after 10,000 units are made.