12 Managing Conformance.ppt

12 : Managing Conformance Steel doesn’t always fit and there are many reasons for it. A detailer can goof. The shop can goof. Even worse, Murphy can goof, and when I say Murphy, I mean an accumulation of tolerances, all added, like eighty-six basic steel tolerances, plus shop tolerances, plus the field tolerances. When they all add up to a misfit, then we have to address it. But we have troubleshooters on each job and they resolve them Gene Miller, Mosher Steel Managing Conformance the principles of conformance management systems the quality model QUENSH systems creating a culture of improvement quality awards and self-assessment standardisation and pre-assembly conformance management in a project environment The Principles of Conformance Management inspection quality control quality assurance approaches to quality management empowermentblame orientation reactive proactive Conformance Management What is Conformance to Quality? the notion of tolerance acceptable quality level sampling approach zero defects “quality is free” - Crosby the quality loss function process capability reliability engineering Quality Loss Function and Zero Defects Approaches to Conformance Process Capability Reliability Engineering failure mode and effects analysis probability of occurrence probability of detection severity of impact the Risk Priority Number the reliability profile design life set in relation to life-cycle cost analysis The Reliability Profile Inspection “conformity evaluation by observation and judgement accompanied as appropriate by measurement, testing or gauging” the audit approach sampling requires dedicated resources Quality Control “the part of quality management focused on fulfilling quality requirements” the 7 QC tools Ishikawa process maps cause and effect diagrams data logging statistical process control Pareto Diagram : The Causes of Defects Ishikawa Diagram: The Causes of Accidents Quality Assurance “the part of quality management focused on providing confidenc