The control plan is a living document that has evolved over time without changing format. The document has gone from detecting failures in the process or product to preventing any failure from happening.
The major benefits of using control plans correctly include:
The control plan is a document that describes the actions needed to ensure the output of the process meets all requirements, including inspections, parameters, measurement, equipment to perform measurements, sample size, frequencies, records, and more. The Control Plan is a map full of directions so the Operator can meet each process requirement at different stages, however, does not replace the Operator’s instructions. Consequently, the document helps preserve the quality of product output despite any staff turnover.
For the control plan to be an effective method, it must be developed by a cross-functional team who uses different sources of information to build the document, including a flow diagram, DFMEA & PFMEA, lessons learned, a special / critical characteristics matrix, and more. The control plan is also part of the requirements for APQP & PPAP.
Control plans developed by a cross-functional team determine the proper level of the control plan based on the stage of product development:
For more information on control plans browse our training programs. Plexus International designs, develops, and delivers internationally accredited, industry-recognized training programs for the global manufacturing supply chain with one critical goal: real performance improvement.
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