Managing Quality & Time
Cost of Quality
Costing of achieving quality
Cost of failure
Cost of prevention
Cost of appriasal
Internal failure
External failure
Quality engineering
Inspection
Quality training
Preventive maintenance
Product testing
Spoilage
Rework
Customer support
Warranty repair
Liability claims
Total Quality Management
Features
Focus on continuous production
Workforce training
Focus on product design and lifecycle
Focus on zero defects
Focus on total quality
Just-In-Time Concept
AIms
Producing product when they are required by customer rather than for stock
Pull Approach
From customer request to buying material as needed
Requirements
Versatile workforce
Reliable information system
Product line
Problem Identification
Non-financial Measures
Pareto Diagrams
Cause-and-effect Diagrams
Indicates how frequent would failure occur
Analysing with Pareto diagram
Fishbone structure graph
Identifying potential causes of failures
Deming Cycle (PDCA)
Stands for Plan-Do-Check-Act.
Continuous improvement in quality, efficiency, and effectiveness.
Benefits
Motivate employees
Stastical monitoring operation
Continually refine processes
Eliminate all barriers to teamwork
Emphasise long-term profit sharing
Customer satisfaction
Internal performance
Defects for each product line
Employee turnover
Customer complaints
Damaged issue due to delivery
Manufacturing Philosophy
Traditional
Focus on large volume, low variety
Increased variety would set up costs
Increased volumes reduces cost per unit
Modern
Steady production flow
Flexibility and attention to customer needs
Wide range of products on demand
Simplified production shceduling
Minimise movements of products