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Statistical process control (SPC) is a method of quality control which employs statistical methods to monitor and control a process. This helps to ensure that the process operates efficiently, producing more specification-conforming products with less waste .
The concepts of statistical process control were initially developed by Dr. Walter Shewhart of Bell Laboratories in the 1920s, and were expanded upon by Dr. W. Edwards Deming, who introduced SPC to Japanese industry after WWII. After early successful adoption by Japanese firms, SPC has now been incorporated by organizations around the world as a primary tool to improve product quality by reducing process variation .
The use of statistical process control (SPC) was initially ignored in North America for quite some time, but in the 1960s and moving forward, SPC—using control charts to control every step of a process—became an integral part of any manufacturing process. Dr. Robert Deming was the evangelist who advocated the concept of eliminating final inspection requirements if every step in the process was monitored. At the beginning, this program met management head-winds, but over time, the concept, when adopted from senior management down through an organization, has proven to reduce costs and improve quality.
From our experience, and with the development of a host of modern electronic innovations, we have witnessed this program successfully interfaced directly from the machine to an engineer’s computer and stored as history to the cloud.
The Bürkle LFC roller coating machine is another example of how a coating process can be monitored in “real time.”
To read this entire article, which appeared in the February 2021 issue of PCB007 Magazine, click here.
I-Connect007 Editorial Team
In this conversation with the I-Connect007 Editorial Team, Alex Stepinski shares his insight on how to automate the PCB fab. Spoiler alert: It doesn’t start with new equipment and panel handlers; it’s much more strategic than that. Alex details the new role of a chief technology officer in the 21st century and cautions that we don’t have nearly enough of them in the industry. The focus, he says, should be on statements of work rather than so much on skilled labor. He also hopes this is just the beginning of more important conversations like these.
Andy Shaughnessy, Design007 Magazine
The summer is heating up, and our news this week is on fire, literally. Eltek has resumed making deliveries after a fire at their facility in Petach-Tikva, Israel. There’s never a dull moment in this industry. And we have some good news: EIPC’s conferences are now live events again, and Editor Pete Starkey is back in the saddle, bringing us a review of the two-day conference. I know Pete was getting tired of sitting around his house and watching these events on video.
I-Connect007 Editorial Team
Torsten Reckert and the team at all4-PCB have a uniquely broad view of what’s happening in the industry. When we asked Reckert about the hottest areas for return on investment, his answers were insightful and sometimes surprising. Readers will note that this conversation includes multiple references to Alex Stepinski and his approach to developing paradigm-shifting processes at GreenSource Fabrication LLC. Reckert worked closely with Stepinski during his time at GreenSource, and just as Reckert is an expert on the current market, Stepiniski is a thought leader on how to optimize processes, making his mention in a return-on-investment conversation particularly valuable.