m5l1 - Spring 2011 Module 5 Production Quality Lecture 1...

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David Robinson © D. Robinson, 2009 Spring 2011 Module 5 Lecture 1: Introduction to Quality Management
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2 Introduction to Quality Management Tools Defining Quality Planning for Quality General rules to achieve Quality Flow charts (help with documentation) Pareto charts (focus on what’s most frequent) Fishbone diagrams (cause and effect) Statistical Process Control (SPC)
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How should we define “Quality”? Quality is defined in many ways
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Defining Quality: The Eight Dimensions* Performance Features Reliability Conformance Durability Serviceability Aesthetics Perceived Quality 4 Note : “Luxury” is not part of the definition * David Garvin, Harvard
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Total Quality Management (TQM) Aims to address the problems of mass production
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The Problems of Mass Production Marginal cost (the cost of making 1,001 given that you have made 1,000) is low If it breaks or doesn’t work—don’t worry, we’ll give you a new one! 6
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The “Inspect and Reject” Problem Make as many as possible—throw away the ones that are no good But, is very wasteful Leads to products that are “good enough” and may fail in service Gives problems to the customer 7
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“Inspect & reject” at the end of a shoe production line 8
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9 Total Quality Management Definition A philosophy (not an organized movement) that says: - Quality has nothing to do with price or luxury - Quality is non-negotiable: Things should work right the first time
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10 Involves Continuous Improvement Constantly challenges what is “acceptable” Relies on measurement and statistics Involves everyone in an organization Top management leadership Empowerment of front-line workers Total Quality Management Definition, continued
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Planning for Quality Why “Quality Control” is the wrong approach 11
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12 Three General Rules to Achieve Quality 1. Avoid variation a. Within specifications b. Variations of procedure: Process should always be the same 2. Avoid activities that don’t add value: a.Waits b. Re-work 3. Avoid complexity Complexity is the enemy of quality”
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This note was uploaded on 04/23/2011 for the course UGBA 10 taught by Professor Xuanmingsu during the Spring '08 term at Berkeley.

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m5l1 - Spring 2011 Module 5 Production Quality Lecture 1...

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