1. Product Design Specifies materials Determines dimensions & tolerances
Defines appearance
Sets performance standards

2. Service Design Specifies what the customer is to experience
physical items
sensual benefits
psychological benefits

3. Stages In The Design Process
Idea Generation
Product Concept
Feasibility Study
Performance Specifications
Preliminary Design
Prototype
Final Design
Final Design Specifications
Process Planning
Manufacturing Specifications

4. Design & Manufacturing
The Design Process
Product
feasible?
Idea
generation
Feasibility
study
Yes
Preliminary
design No
Final
design
Process
planning
Prototype
Manufacturing
Design & Manufacturing
Specifications

5. Idea Generation Suppliers, distributors, salespersons
Trade journals and other published material
Warranty claims, customer complaints, failures
Customer surveys, focus groups, interviews
Field testing, trial users
Research and development

6. Feasibility Study Market Analysis Economic Analysis
Technical / Strategic Analysis

7. Preliminary Design Create form & functional design Build prototype
Test prototype
Revise prototype
Retest

8. Final Design & Process Planning
Produce detailed drawings & specifications
Create workable instructions for manufacture
Select tooling & equipment
Prepare job descriptions
Determine operation & assembly order
Program automated machines

9. An Effective Design Process
Matches product/service characteristics with customer needs
Meets customer requirements in simplest, most cost-effective manner
Reduces time to market
Minimizes revisions

10. Improving The Design Process
1. Design teams & concurrent design
2. Design for manufacture & assembly
3. Design for environment & sustainability
4. Design for robustness & quality