1_qc intro

1_qc intro - Spring 2008 Lecture Notes - EMSE 182, 282,...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Spring 2008 Lecture Notes - EMSE 182, 282, Professor Jim Harris, Introduction - 1 INTRODUCTION TO QUALITY CONTROL QUALITY a relationship to one or more desirable characteristics that a product or service should posses. has become an important consumer decision factor in selection among competing products and services. understanding and improving quality is a key factor in business success. DIMENSIONS OF QUALITY, GARVIN (1987) Performance :Will the product do the intended job? Reliability :How often does the product fail? Durability :How long does the product last? Serviceability :How easy is it to repair the product? Aesthetics :What does the product look like? Features :What does the product do? Perceived Quality :What is the reputation of the company/product? Conformance to Standards :Is the product made exactly as the designer intended?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Spring 2008 Lecture Notes - EMSE 182, 282, Professor Jim Harris, Introduction - 2 DEFINITIONS OF QUALITY fitness for use Quality of Design : intentional quality grades. Quality of Conformance : nonconformance due to process variability should be dealt with through design not monitoring Ä inversely proportional to variability • Cost Savings, Reduce Waste • Increased Performance, Reliability, Durability the basic quality problem
Background image of page 2
Spring 2008 Lecture Notes - EMSE 182, 282, Professor Jim Harris, Introduction - 3 TERMINOLOGY Quality Improvement :the reduction of variability in processes/products :physical, sensory, time orientation Quality Characteristics Quality Engineering :the set of operational, managerial, and engineering activities used to ensure that the quality characteristics of a product are at n o m i n a l l e v e l s . :no two products are the same due to variations in Variability input, workmanship, management, and control :play an important role in quantifying, Statistical Methods identifying, and reducing variability :count or continuous measurements Attribute vs Variable Data desired value for the quality characteristic Nominal or Target Value : :desired ranges (usually lower, LSL, and upper, Specifications USL) specified by design for the quality characteristics determined through engineering d e s i g n :product fails to meet one or more its Nonconforming specifications, may or may not be fatal :a specific type of failure Nonconformity or defect :a product with one or more nonconformities Defective which seriously affect its safe or effective use
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Spring 2008 Lecture Notes - EMSE 182, 282, Professor Jim Harris, Introduction - 4 QUALITY PHILOSOPHIES Fathers of modern quality management philosophy • W. E. Deming largely responsible for Japan's leadership in quality and the use of Ä statistical methods in quality improvement.
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/02/2010 for the course EMSE 282 taught by Professor Harris during the Spring '07 term at GWU.

Page1 / 16

1_qc intro - Spring 2008 Lecture Notes - EMSE 182, 282,...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online