Quality

1
Chapter 13

• Quality
• by
• Design

2
Quality by Design

• Definition
• Benefits
• Teams
• Communication Models
• Tools
• Misconceptions and Pitfalls
• Exemplary Organizations

3
Definition

• ...practice of using a multidisciplinary team to
  conduct conceptual thinking, product design, and
  product planning all at one time.
• pg. 349

4
RUBE GOLDBERG
5
Benefits

• Faster product development
• Better quality
• Less work in progress
• Fewer engineering change orders
• Increased productivity
• Decreased time to market
• pg. 353

6
Teams

• Take advantage of existing experience
• Emphasize early high-quality decisions
• Support customer requirements
• Feedback constraints
• Efficient management of risk and change as
  product moves from design to sales.
• pg. 353

7
Communications Models

• Organizational Structure
• Who talks to who
• Straight line hierarchy (traditional)
• Cross-talk hierarchy (TQM structure/Information
  paths)
• pg. 356

8
Straight Line Hierarchy
Figure 13-3, pg. 356
9
Cross-talk Hierarchy
Figure 13-4, pg. 357
10
Tools

• TQM philosophies
• Computer networks
• ISO standards (9000 and 14000)
• Total Productive Maintenance

• Quality function deployment
• Information Technologies (IT)
• Electronic meeting software
• Enterprise resource planning software

pg. 359
11
Production Tools

• Robotics
• CAD/CAM/CMC
• Just-in-time production
• Virtual planning and manufacturing software
• Lean Manufacturing
• Advanced measurement and verification

pg. 356
12
Misconceptions and Pitfalls

• Not simultaneous design and production
• Not a quick fix or magic formula for success
• Does not require multiple tests of product until
  optimum design achieved.
• Not to replace or be confused with inspection
  protocols and programs

pg. 371
13
Misconceptions and Pitfalls

• Avoid using team members improperly
• Avoid promises to meet unobtainable goals or
  schedules
• Avoid tight tolerances or stringent requirements
  for one-pass design
• Avoid changes in product during design phase
• Avoid business as usual with low-bid vendors
• Avoid automation before simplification

14
Exemplary Organization
TRIDENT CORP
15
Trident Corp

• Founded in 1979. Manufactures precision sheet
  metal components, electromechanical assemblies,
  and custom products in medical, office-equipment,
  computer, and defense industries.

pg. 372
16
Trident Quality

• quality as a basic business plan for both short
  and long term goals.
• Quality, cost, delivery, and service.

17
Trident Strategies

• Design quality
• Team efforts with partners and suppliers
• Regular contact with suppliers and customers
• Employee ownership of projects
• Cross-functional teams / Job diversification
• Acknowledgment and Reward
• Guarantees of Product Performance

pg.373