Introduction_I_Spring_2010

Introduction_I_Spring_2010 - Quality Control and Total...

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Quality Control and Total Quality Management INTRODUCTION Spring Semester….2010 Dr Don T. Phillips [email protected] 845-5476 Zach 242-D
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DEFINITION Quality is conformance to requirements or specifications ( Crosby ) Quality Improvement is a proactive and multidimensional Process directed to achieving functional & perceived Customer satisfaction Quality Control is a Statistical Based Methodology Quality is fitness for use ( Juran ) Quality is the ability for a product or service to do what it is intended to do, perform at a level for which it was designed and sold , and Last as long as it is intended to last ( Phillips ) Quality is variability reduction ( Montgomery )
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DEFINITION One definition of Quality Improvement is the reduction of variability In processes and products ( Doug Montgomery ) Quality Improvement is not necessarily Quality Control Total Quality Management ( TQM ) is a systematic , Ongoing program which permeates the entire System and organizational structure to relentlessly Pursue better quality and higher customer Satisfaction at the lowest cost without compromising Any quality measure or characteristic ( Phillips ) Quality Control is an effort to maintain or improve Current quality characteristics through time
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The Prism of Quality Quality means fitness for use… - Quality of design - Quality of conformance - Quality of performance - Quality of perception - Quality of usage
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Dimensions of Quality Performance Reliability Durability Serviceability Aesthetics Features Perceived Quality Conformance to standards
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The Seven Deadly Diseases of Management ( Deming) 1. Lack of constancy of purpose 2. Emphasis on short term profits 3. Poor Evaluation of performance 4. Mobility of top management 5. Running a company on profits alone 6. Excessive medical costs 7. Excessive legal costs
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A Statistical View of Quality Quality is inversely proportional to variability ( Montgomery ) Excess Variability will ALWAYS result in worse Quality Variability can be measured If Variability can be measured, it can be Monitored & Controlled
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A Statistical View of Quality FACT !!!!! V ariability in processes, procedures, actions and activities will ALWAYS degrade performance measures, output, customer satisfaction , quality or all.
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Quality Engineering …..Terminology When a component or product does not meet specifications, they are considered to be nonconforming . A nonconforming product is considered defective if it has one or more defects . Defects are nonconformities that may seriously affect the safe, reliable acceptance or effective use of the product. Defects are important to Manufacturing… A defect is a departure of a quality characteristic from its intended level or state
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Quality Engineering Terminology Quality engineering is the set of operational, managerial, and engineering activities that a company uses to ensure that the quality characteristics (Dimensions of Quality) of a product are at the nominal or required levels.
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Other Aspects of Quality Control and Improvement Total Quality Management (TQM)
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