What is Defect Density?
Monitoring Quality Rates in Manufacturing Defect density measures the count of defects relative to a defined inspection basis, enabling apples-to-apples visibility across products, lines, and processes. A shift lead walks the morning start‑up. Scrap bins appear normal, yet the first-pass yield has slipped overnight, and customer holds are climbing. On Line 2, the same hairline scratch shows up on otherwise good parts. Quality flags the pattern, maintenance checks the usual culprits, and produc
Updated in oct 03, 2025