Use SPC for Everyday Work Processes

Abstract:Despite the advantages of statistical process control (SPC), many organizational implementation efforts have not been successful or self-sustaining. This has nothing to do with the methodology, but is a case of using the right toolbox but the wrong tool. Even when the SPC deployment is done correctly, management and workers seem to expect immediate results. The Automotive Industry Action Group's recently released second edition of its SPC Manual discusses the need to understand the underlying model of variation physics of the process, but it provides how-to instructions for only basic control charts. Although basic control charts have a wide application to random processes, there are many stationary processes that require advance charts. SPC charts need to be used so organizations can increase their knowledge of the common causes and special causes affecting their processes. Then they will be able to replace SPC charts with robust policies governing process …

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