1. Chapter 5 - Product Specifications
MSE-415 Product Design Lecture #5
Chapter 5 - Product Specifications

2. Lecture Objectives: Discuss Results of Quiz #1 Discuss Homework #2
Not group assignment, must follow instructions
Product Specifications
What are specifications
Why are specifications established
How are specifications established
Preparing the metrics
Collect competitive benchmarking information
Set ideal and marginally acceptable target values
Reflect on the results and the process
Setting the final specification
Develop technical models of the product
Develop a cost model of the product
Refine the specification, making trade offs where necessary
Flow down the specifications as appropriate
Reflect of the results and the process
Discuss design and development project
Project plan
Customer needs
Establish target specification

3. Concept Development Process
Mission
Statement
Development
Plan
Identify
Customer
Needs
Establish
Target
Specifications
Generate
Product
Concepts
Select
Product
Concept(s)
Test
Product
Concept(s)
Set Final
Specifications
Plan
Downstream
Development
Perform Economic Analysis
Benchmark Competitive Products
Build and Test Models and Prototypes
Target Specs
Based on customer needs and benchmarking
Final Specs
Based on selected concept, feasibility, models, testing, and trade-offs

4. Product Specifications Example: Padlocks

5. Customer Needs # Need Imp 1 The lock has many available combinations 2
is resistant to hot temperatures 3
has a shackle diameter of 0.31-inch 4
is resistant to tampering 5
is lubricated 6
is unable to be lock in the open position 7
has many graduated marks 8
is protected against radiographic entry 9
is combination changeable 10
is difficult to cut at the shackle

6. Establish Metrics and Units
Need#
Metric
Imp
Units 1 2 3 4 5 6 7 8 9 10

7. Link Metrics to Needs

8. Benchmark on Customer Needs

9. Benchmark on Metrics

10. Assign Marginal and Ideal Values
Metric #
Metric
Units
Marginal Value
Ideal Value 1
Available combinations ea
>30,000
>50,000 2
Resistant to heat for 5 minutes
Deg F
250
300 3
Shackle diameter
inch 4
Tamper resistant
Min
>15
>30 5
Lubrication
cycles
>2500
>5000 6
Shackle can not be lock in the open position
N/A
Yes 7
Face marking
>40
>50 8
Radiographic protection
>10 9
Combination changeable 10
Non Corrosive

11. Concept Development Process
Mission
Statement
Development
Plan
Identify
Customer
Needs
Establish
Target
Specifications
Generate
Product
Concepts
Select
Product
Concept(s)
Test
Product
Concept(s)
Set Final
Specifications
Plan
Downstream
Development
Perform Economic Analysis
Benchmark Competitive Products
Build and Test Models and Prototypes
Target Specs
Based on customer needs and benchmarking
Final Specs
Based on selected concept, feasibility, models, testing, and trade-offs

12. Perceptual Mapping Exercise
Shackle cutting test
Price
Wilson Bohannan
Opportunity?
Master
American
Abus

13. Specification Trade-offs

14. Set Final Specifications#
Metric
Units
Value 1
Available combinations ea
>30,000 2
Resistant to heat for 5 minutes
Deg F
300 3
Shackle diameter
inch 4
Tamper resistant
Min
>30 5
Lubrication
cycles
>5000 6
Shackle can not be lock in the open position
N/A
Yes 7
Face marking
>50 8
Radiographic protection 9
Combination changeable 10
Non Corrosive

15. Next Week - October 3, 2007 Lecture #6
Final Design and Development Project
Project plan
Customer needs
Establish target specification
Homework #3
Select one of these items: Skateboard, toaster, wheelbarrow and go through the process of establishing a target specification for potential entry into that market:
Preparing the list of metrics
Collecting competitive benchmarking information
Setting ideal and marginally acceptable target values
Reflect on the results and process.
Read Chapter 6 – Concept Generation
Discuss the five step method
Discuss the product planning process