Accession Number:

ADA181159

Title:

Design Methodology for a Lightweight, Resonant-Free Platen for Vibration Testing.

Descriptive Note:

Special publication Jan 84-Mar 85,

Corporate Author:

CHEMICAL RESEARCH DEVELOPMENT AND ENGINEERING CENTER ABERDEEN PROVING GROUND MD

Personal Author(s):

Report Date:

1987-04-01

Pagination or Media Count:

45.0

Abstract:

Vibration testing, particularly when performed in reliability test chambers, is very costly. Discussed in this report are the equations for designing a resonant-free platen for holding several test specimens for simultaneous testing. The unique feature of this platen is that it is an inverted pyramid that has been truncated to mate with a shaker head. This design is less likely to have resonance problems adn is significantly lighter than one of constant thickness. Specific points covered are determination of the dimensions for a resonant-free platen, determination of the total weight of he platen, selection of a structurally damped material, and a computer program for performing all necessary calculations. Keywords Vibration test fixture Vibration testing Magnesium structural damping Reliability testing.

Subject Categories:

  • Test Facilities, Equipment and Methods
  • Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE