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FLEXO Magazine : October 2013
PLANTS & PROCESSES Keeping it under control Process Control Improves Quality And Pinpoints Problems By Randy Carter Processcontrolisthepracticeofdefiningasystemof procedures, measurements and documentation to pro- duce data. An evaluation and analysis of this data can lead to procedure or equipment adjustments that maintain consistency, repeatability and a better understanding of the entire workflow. It’s quality control, but not just a check at the end of a process to assign a “pass” or “fail” grade. Instead, process control is designed to enable continuous improve- ment as data is analyzed and cause and effect is understood. The flexo industry likes to talk about process control, but not everyone is willing to commit to implementing an effective process control program. WHY Process controL? Good process control helps create an improved product and allows the printer to operate more efficiently. The earlier in the process problems are caught, the less expensive they are to correct. Looking at several different measurements in a process and analyzing combinations of measurements helps to nar- row down where in the system adjustments need to be made. Instead of guessing which element needs attention, process control allows the taking of multiple measurements of differ- ent systems and using that data to find a common denomi- nator and define the true problem. The better an operator ELIMINATE GUESSWORK, APPLY PROCESS CONTROL • Effective way to catch issues and errors early in a production run • Analyzes measurements of systems and uses data to find problems • Leads to higher-quality products and reduces costs associated with quality control • Technological advancements mean operators don’t need to use pen and paper to log data • Eliminates need to guess where a problem comes from or what element needs attention 50 FLeXo OCTOBER 2013 www.flexography.org Canadian Primoflex Systems (CPS) is dedicated to innovation and has always been focused on finding better solutions to meet the changing needs of printers and converters around the world. Featuring an extremely robust construction and the latest technology in servo control. Our machines define the future of folding carton converting. Canadian Primoflex Systems Inc. 505 Thompson Drive, Cambridge, ON, Canada Sales enquiries: Tel: 519 620 4288 Fax: 519 620 9253 firstname.lastname@example.org www.primoflex.com Defining the Future of Excellence in innovation, reliability & performance FolDing Carton ConvErting Outstanding quality and efficient production will be the highlight of this Open House. Demonstrations of a CP series press with Kodak Flexcel NX Plate technology will be followed by technical presentations from key industry suppliers. For more information or to register for this event, please visit our web site and click on the Open House link. An X-Rite eXact portable spectrophotometer 4th Annual Plate/ Platemaking/Sleeve Selection Guide