Wed, 06/21/2017 - 12:02
I have daily conversations with manufacturer plant managers, quality managers, engineers, supervisors, and plant production workers about challenges when using statistical process control (SPC). Of the mistakes I witness in the application of SPC,…
Thu, 12/08/2016 - 10:26
Capability analysis is a set of calculations used to assess whether a system is able to meet a set of requirements. Customers, engineers, or managers usually set the requirements, which can be specifications, goals, aims, or standards.
The primary…
Thu, 06/09/2016 - 16:54
Quality alone will not ensure a successful future, as the classic story of the buggy-whip manufacturer demonstrates. His products were outstanding—better than any others—but when the market changed to automobiles, he found himself out of business…
Thu, 12/10/2015 - 15:59
In daily conversations, I field questions from plant managers, quality managers, engineers, supervisors, and plant production workers about the challenges of applying statistical process control (SPC) methods. Following are the five most prevalent…
Tue, 05/12/2015 - 10:18
The ability to make predictions has always been rewarded. Statistician Donald J. Wheeler says that “prediction is the essence of business.” With growing bodies of data and good analytical models, our predictions are getting better.
The statistical…
Fri, 10/19/2012 - 09:38
Papering the walls with printed charts might impress visitors, but anyone who wants to get the most from SPC charting must make the right chart available in the right place at the right time. Consider the weekly or monthly quality review meeting.…
Sun, 06/14/2009 - 23:00
With several generations of statistical process control (SPC) technology under our belts, it may be time to rethink how we apply SPC in the 21st century. Basic techniques have been practiced since the 1930s. Some companies will soon be able to…