The hype around "big data" has mainly aimed at niche market sales without delivering expected benefits. Similarly, the business world's obsession with Lean Six Sigma has shown minimal returns on investment. In contrast, over the last 25 years, I've leveraged small Excel files to significantly cut costs and increase profits, often by millions of dollars, through a reliable sequence I discovered.
Why the demand for short production runs? Your customer’s application of Lean principles causes them to request smaller batch sizes which results in the need for shorter production runs and short run SPC.
The obvious reasons for automating quality in manufacturing are to reduce scrap, rework, overtime and costs while simultaneously increasing productivity and customer satisfaction. The non-obvious reasons include employee satisfaction, customer referrals and market growth. Automation also give managers and line workers insights into ongoing production.
When I first got involved with quality, I learned about the “five M’s” that constituted most root causes: man, machine, materials, methods, and measurement. In manufacturing you know that measurement gages and how they are used can be a key cause of variation.