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Total Quality Management. A Great Concept .... ..... But What is IT ?. Producer Definition Conformance to specifications Reflects priorities on consistent quality and high-performance design. Consumer Definition Value and Fitness of Use Hardware, support and psychological impressions.
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Total Quality Management • A Great Concept .... • ..... But What is IT?
Producer Definition Conformance to specifications Reflects priorities on consistent quality and high-performance design Consumer Definition Value and Fitness of Use Hardware, support and psychological impressions Two Perspectives
Aspects of Quality* Manufacturing * • Performance • Features • Reliability • Servicability • Durability • Conformance • Aesthetic Characteristics • Perceived Quality
Aspects of Quality* Services * • Reliability • Responsiveness • Tangibles • Assurance • Empathy
The Quality Gurus • Deming: Management is Responsible • Crosby: Quality is Free • Juran: Quality Trilogy • Planning • Control • Improvement
Customer satisfaction TQMWheel
Deming Wheel Plan
Deming Wheel • Plan Do
Deming Wheel Plan Do Check
Deming Wheel Plan Act Do Check
Deming Wheel Plan Act Do Check
Deming’s 14 Points • Establish the objective of constant innovation and improvement • Adopt a new philosophy, we cannot accept the old mistakes and defects • Cease dependence on mass inspection, require statistical evidence that quality is built in • End the practice of awarding busines on the basis of price • Use statistical methods to find troublespots • Institute modern methods of training on the job • Improve supervision - do what is right for the company, don’t just turn out the required quantity
Deming’s 14 Points • Drive out FEAR .... • Break down BARRIERS ... • Eliminate posters and slogans • Eliminate work standards that prescribe a numerical quota • Remove barriers between workers and their right to pride in workmanship • Institute a vigorous retraining program • Create top management structure that will push EVERY DAY for these points
RIVETHEAD: Tales From The Assembly LineBy Ben Hamper • A violation of how many of Deming’s points?
ISO9000 • Standards for companies doing business in the EC • Certification by hearing from qualified external examiner • Certification does NOT mean anything about quality of a product .... • Instead, it means that company can provide documentation supporting their quality claims.
Quality Management Costs As Quality Cost Category Increases, Costs: Prevention Increase Appraisal Decrease Internal Failure Decrease External Failure Decrease
Costs of Detecting a Defect Cost of Detection ($) Process Final Testing Customer
Costs of Detecting a Defect Cost of Detection ($) Process Final Testing Customer
Costs of Detecting a Defect Prevention Costs Cost of Detection ($) Process Final Testing Customer
Seven Quality Tools • Checklists • Histograms • Bar Charts • Pareto Charts • Scatter Diagrams • Cause-and-Effect Diagrams • Graphs
QualityFunctionDeployment The House of Quality
Voice of the Customer
Voice of the Customer Relative importance Easy to close from outside 7 Stays open on a hill 5 Easy to open from outside 3 Doesn’t kick back 3 . . . Doesn’t leak in rain 3 No road noise 2 . . . Easy to open and close door Isolation
Voice of the Customer
Competitive Analysis Customer perceptions 1 2 3 4 5 Our car A’s car B’s car
Voice of the Engineer Open-close effort Sealing- insulation + Acoustic transmission, window + Check force on level ground + Check force on 10º slope ... ... + Road noise reduction + Door seal resistance - Energy to close door - Energy to open door - Peak closing force + Water resistance
Correlations X X Relationships Strong positive Medium positive XMedium negative XStrong negative
Technical Comparison Measurement units ft-lb lb lb ft-lb lb lb/ft - db psi Our car door 11 12 6 10 18 3 .10 9 70 A’s car door 9 12 6 9 13 2 .10 5 60 B’s car door 9.5 11 7 11 14 2 .10 6 60 Technical difficulty 4 5 1 1 3 1 3 3 5 Imputed importance (%) 10 6 4 9 1 6 2 4 3 Estimated cost (%) 5 2 2 9 5 6 6 9 2 Targets 7.5 9 6 7.5 12 3 .10 9 70 Objective measures
Trade-offs X Relationships X Strong positive Medium positive XMedium negative XStrong negative X X X X X X X X
Machines Personnel Effect Materials Process Cause-and-EffectDiagrams
Delayed flight departures Checker Board Airlines
Equipment Aircraft late to gate Mechanical failures Delayed flight departures Checker Board Airlines
Equipment Personnel Passenger processing at gate Aircraft late to gate Late cabin cleaners Mechanical failures Unavailable cockpit crew Late cabin crew Delayed flight departures Checker Board Airlines
Equipment Personnel Passenger processing at gate Aircraft late to gate Late cabin cleaners Mechanical failures Unavailable cockpit crew Late cabin crew Delayed flight departures Late baggage to aircraft Late fuel Late food service Materials Checker Board Airlines
Equipment Personnel Passenger processing at gate Aircraft late to gate Late cabin cleaners Mechanical failures Unavailable cockpit crew Late cabin crew Delayed flight departures Poor announcement of departures Late baggage to aircraft Weight/balance sheet late Delayed check-in procedure Late fuel Waiting for late passengers Late food service Procedures Materials Checker Board Airlines
Equipment Personnel Passenger processing at gate Aircraft late to gate Other Late cabin cleaners Mechanical failures Unavailable cockpit crew Weather Late cabin crew Air traffic delays Delayed flight departures Poor announcement of departures Late baggage to aircraft Weight/balance sheet late Delayed check-in procedure Late fuel Waiting for late passengers Late food service Procedures Materials Checker Board Airlines