Management of Quality
You should be able to:
Define the term quality as it relates to products and as it relates to services
Explain why quality is important and the consequences of poor quality
Identify the determinants of quality
Distinguish the costs associated with quality
Compare the quality awards
Discuss the philosophies of quality gurus
Describe TQM
Give an overview of problem solving
Give an overview of process improvement
Describe and use various quality tools
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Quality
The ability of a product or service to consistently meet or exceed customer expectations o For a decade or so, quality was an important focal point in business. After a while, this emphasis began to fade as other concerns took precedence o There has been a recent resurgence in attention to quality given recent experiences with the costs and adverse attention associated with highly visible quality failures:
• Auto recalls
• Toys
• Produce
• Dog food
• Pharmaceuticals
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Performance main characteristics of the product
Aesthetics appearance, feel, smell, taste
Special features extra characteristics
Conformance how well the product conforms to design specifications
Reliability
Durability consistency of performance the useful life of the product
Perceived quality indirect evaluation of quality
Serviceability handling of complaints or repairs
Reliability ability to perform a service dependably, consistently, and accurately
Responsiveness willingness to help customers in unusual situations and to deal with problems
Time
Assurance the speed with which the service is delivered knowledge exhibited by personnel and their ability to convey trust and confidence
Courtesy
Tangibles
Consistency the way customers are treated by employees the physical appearance of facilities, equipment, personnel, and communication materials the ability to provide the same level of good quality repeatedly
Audit service to identify strengths and weaknesses
In particular, look for discrepancies between:
Customer expectations and management perception of those expectations
Management perceptions customer expectations and service-quality specifications
Service quality and service actually delivered
Customers’ expectations of the service provider and their perceptions of provider delivery
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Quality of design
Intention of designers to include or exclude features in a product or service
Quality of conformance
The degree to which goods or services conform to the intent of the designers
Ease-of-Use and user instructions
Increase the likelihood that a product will be used for its intended purpose and in such a way that it will continue to function properly and safely
After-the-sale service
Taking care of issues and problems that arise after the sale
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Top management
Design
Procurement
Production/operations
Quality assurance
Packaging and shipping
Marketing and sales
Customer service
• Everyone in the organization has some responsibility for quality, but certain areas of the organization are involved in activities that make them key areas of responsibility.
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Enhanced reputation for quality
Ability to command premium prices
Increased market share
Greater customer loyalty
Lower liability costs
Fewer production or service problems
Lower production costs
Higher profits
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Loss of business
Liability
Productivity
Costs
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Appraisal Costs
Costs of activities designed to ensure quality or uncover defects
Prevention Costs
All TQ training, TQ planning, customer assessment, process control, and quality improvement costs to prevent defects from occurring
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Failure Costs - costs incurred by defective parts/products or faulty services.
Internal Failure Costs o Costs incurred to fix problems that are detected before the product/service is delivered to the customer.
External Failure Costs o All costs incurred to fix problems that are detected after the product/service is delivered to the customer
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Substandard work
Defective products
Substandard service
Poor designs
Shoddy workmanship
Substandard parts and materials
Having knowledge of this and failing to correct and report it in a timely manner is unethical.
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Contributor
Shewart
Deming
Juran
Key Contributions
Control charts; variance reduction
14 points; special vs. common causes of variation
Quality is fitness-for-use; quality trilogy
Feigenbaum
Crosby
Ishikawa
Taguchi
Quality is a total field; the customer defines quality
Quality is free; zero defects
Cause-and-effect diagrams; quality circles
Taguchi loss function
Ohno and Shingo Continuous improvement
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Deming’s 14 Points
1.
Create constancy of purpose toward improvement of product and service with a plan to become competitive and stay in business.
2.
Adopt the new philosophy. We are in a new economic age. We can no longer live with commonly accepted levels of delays, mistakes, defective materials, and defective workmanship
3.
Cease dependence on mass inspection.
4.
End the practice of awarding on the basis of price tag.
5.
Find problems. It is management’s job to work continually on the system.
6.
Institute modern methods of training on the job
7.
The responsibility of foremen must be changed from sheer numbers to quality.
8.
Drive out fear, so that everyone may work effectively for the company.
9.
Break down barriers between departments.
10. Eliminate numerical goals, posters, and slogans for the workforce asking for new levels of productivity without providing methods.
11. Eliminate work standards that prescribe numerical quotas.
12. Remove barriers that stand between the hourly worker and his right to pride of workmanship.
13. Institute a vigorous program of education and retraining.
14. Create a structure in top management that will push every day on the above 13 points.
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Quality Awards
Deming Prize
Malcolm Baldrige National Quality Award
European Quality Award
Quality Certifications
ISO 9000
ISO 14000
ISO 24700
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Benefits of the Baldrige Competition
Winners achieve financial success
Winners share their knowledge
The process motivates employees
The process requires obtaining data
The process provides feedback
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Award Categories
Education
Healthcare
Manufacturing
Nonprofit/Government
Service
Small Business
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International Organization for Standardization
ISO 9000
Set of international standards on quality management and quality assurance, critical to international business
ISO 14000
A set of international standards for assessing a company’s environmental performance
ISO 24700
Pertains to the quality and performance of office equipment that contains reused components
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ISO 9000: 2005
Quality Principles: o Principle 1 Customer focus o Principle 2 Leadership o Principle 3 Involvement of people o Principle 4 Process approach o Principle 5 System approach to management o Principle 6 Continual improvement o Principle 7 Factual approach to decision making o Principle 8 Mutually beneficial supplier relationships
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Business leaders are increasingly recognizing the importance of their supply chains in achieving their quality goals
Requires: o Measuring customer perceptions of quality o Identifying problem areas o Correcting these problems
Supply chain quality management can benefit from a collaborative relationship with suppliers o Helping suppliers with quality assurance efforts o Information sharing on quality-related matters
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A philosophy that involves everyone in an organization in a continual effort to improve quality and achieve customer satisfaction.
T Q M
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Find out what the customer wants
Design a product or service that meets or exceeds customer wants
Design processes that facilitate doing the job right the first time
Keep track of results
Extend these concepts throughout the supply chain
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Continuous improvement
Competitive benchmarking
Employee empowerment
Team approach
Decision based on fact, not opinion
Knowledge of tools
Supplier quality
Champion
Quality at the source
Suppliers are partners in the process
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Continuous Improvement
Philosophy that seeks to make never-ending improvements to the process of converting inputs into outputs
Kaizen o Japanese word for continuous improvement.
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The philosophy of making each worker responsible for the quality of his or her work
“Do it right” and “If it isn’t right, fix it”
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Six Sigma
A business process for improving quality, reducing costs, and increasing customer satisfaction
Statistically o Having no more than 3.4 defects per million
Conceptually o Program designed to reduce defects o Requires the use of certain tools and techniques
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Lean Six Sigma
A balanced approach to process improvement that integrates principles from lean operation and statistical tools for variation reduction from six sigma to achieve speed and quality
An approach that is equally applicable to products and services o Early application in service support functions of
General electric and Caterpillar Finance
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Obstacles include:
Lack of company-wide definition of quality
Lack of strategic plan for change
Lack of customer focus
Poor inter-organizational communication
Lack of employee empowerment
View of quality as a “quick fix”
Emphasis on short-term financial results
Inordinate presence of internal politics and “turf” issues
Lack of strong motivation
Lack of time to devote to quality initiatives
Lack of leadership
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Flowcharts
Check sheet
Histogram
Pareto analysis
Scatter diagrams
Control charts
Cause-and-Effect diagrams
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A flowchart is a visual representation of a process.
Diamond = Decision points
Rectangle = Procedures
Arrows = The direction of “flow”
Figure 9.5, page 401
Flowchart for catalog telephone orders -- potential failure points are highlighted.
A tool for organizing and collecting data; a tally of problems or other events by category
Frequently used for problem identification
A chart that shows an empirical frequency distribution
Technique for classifying problem areas according to degree of importance and focusing on resolving the most important.
80 percent of defects from 20 percent of the causes of defects.
A graph that shows the degree and direction of relationship between two variables
Time ordered plot of statistics calculated from samples taken from the process
Used to detect the presence of correctable causes of process variation
A diagram used to organize and search for the causes of a problem (aka Fishbone diagram)
Six Ms:
Man
Machine
Material
Method training, qualifications, experience, certification maintenance, testing, software or hardware updates raw material, consumables, and information process, testing, control
Measurement calibration
Mother Nature environmental conditions like noise, humidity, and temperature
A diagram used to organize and search for the causes of a problem (aka Fishbone diagram)
Brainstorming
Affinity Diagram
Quality circles
Interviewing
Benchmarking
5W2H
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Quality Circle
Groups of workers who meet to discuss ways of improving products or processes o Less structured and more informal than teams involved in continuous improvement o Quality circle teams have historically had relatively little authority to make any but the most minor changes
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Identify a critical process that needs improvement
Identify an organization that excels in this process
Contact that organization
Analyze the data
Improve the critical process
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Quality is a strategic imperative for organizations
Customers are very concerned with the quality of goods and services they receive
Quality is a never-ending journey
It is important that most organizational members understand and buy into this idea
Customer satisfaction ≠ customer loyalty
Quality needs to be incorporated throughout the entire supply chain, not just the organization itself
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