The FloorSignal Blog

Quality, from the floor up.

Practical guides on manufacturing quality — audits, defect-cost thinking, and getting real intelligence out of the reports you already write.

Process Control

SPC Without the Statistics Degree: A Small-Plant Guide to Process Control

SPC isn't about statistics — it's about telling normal noise from a real signal, and reacting only to the signal. No stats degree required: just 20 measurements and a few weeks.

2026-07-198 min read
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Quality Systems

CAPA Explained: Why the Same Problems Keep Coming Back

CAPA is your quality system's memory — so a recurring problem means the memory isn't working. Here's why CAPAs fail at root cause, and why the fix is visibility, not effort.

2026-07-198 min read
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Quality Metrics

First Pass Yield and the Quality Metrics That Actually Tell the Truth

A 97% end-of-week yield can hide a shadow factory of rework. First Pass Yield refuses to credit you for fixing your own defects — which is exactly why it tells the truth.

2026-07-197 min read
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Cost of Quality

The Cost of Poor Quality: What Your Scrap Bin Isn't Telling You

Scrap and rework are maybe 10% of your quality cost. The expensive 90% — lost capacity, firefighting, churn — hides in scattered reports. Here's how to see it.

2026-07-197 min read
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Quality Systems

The 8D Problem-Solving Method: A Field Guide for Manufacturers

8D is the standard response when a customer rejects a shipment — but most programs rot in inboxes. Here are the eight disciplines, the escape-point teams forget, and how to make it stick.

2026-07-198 min read
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Quality Systems

Layered Process Audits: A Practical Guide for Manufacturers

Layered process audits verify critical process inputs at every organizational level — catching deviations before they become defects. Here is how to run a program that actually sticks.

2026-07-197 min read
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Data & Reporting

PDF Data Extraction: Top US Providers and Methods 2026

PDFs were built for printing, not data exchange. Here are the methods and providers that turn locked-up documents — including your quality reports — into structured, usable data.

2026-07-199 min read
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