Fixture Evaluation (157)

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Chapter Outline

157 - Chapter 9 - Fixture Evaluation (Fixture Design for Vibration and Shock Testing )

  • Importance of Evaluating Fixtures
  • Transmissibility vs. frequency
  • Plotting Transmissibility vs. Frequency: Setups
  • Example—Determining Resonant Frequency of a Fixture
  • Apparent Resonances
  • Judging a Good Fixture
  • Sweep Rates
  • Evaluation with Load
  • Improving a Faulty Fixture
  • L-Fixture FEA Results
  • Keeping Records of Fixtures
  • Damping Ratio Measurements

Video Outline

Evaluating Fixtures

Importance of Evaluating Fixtures • Determining Locations for Response Accelerometers • Example: Determining the Resonant Frequency of a Fixture • Apparent Resonances • Judging a Good Fixture • Illustration of Modal Patterns on Shaker table • Sweep Rates • Evaluation with Load • Improving a Faulty Fixture • Keeping Records of Fixtures