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The Mechanical Design Process, 4/e
David G. Ullman, Oregon State University

Product Evaluation for Performance and the Effects of Variation

Key Questions

  • Which is best to evaluate the product performance, analytical models or physical testing?
  • What is a P-diagram and how does it help identify noise?
  • How are trade-offs made?
  • What are the three types of noises and how do they affect product quality?
  • Why is tolerance stacking important during assembly?
  • How is robust design used to ensure quality?