Fixture Design and Practice for Vibration Test
Received:December 16, 2013  Revised:January 09, 2013
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DOI:10.7643/issn.1672-9242.2014.02.016
KeyWord:fixture  rigidity  damping
           
AuthorInstitution
YU Shao-ming Beijing Institute of Structure and Environment Engineering,Beijing,China
WEI Guo Beijing Institute of Structure and Environment Engineering,Beijing,China
YANG Feng Beijing Institute of Structure and Environment Engineering,Beijing,China
DU Jing Beijing Institute of Structure and Environment Engineering,Beijing,China
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Abstract:
      ObjectiveTo discuss several aspects in vibration fixture design and how to make the fixture satisfy the requirements of the tests.MethodsSome design methods were introduced in detail, including the design in static state on shape and weight, as well as in vibration strength on rigidity and damping.ResultsImprovements on fixture increased its rigidity in the plate test and increased its damping in the pipe test. Fixture design is a systematic work which needs comprehensive consideration.ConclusionDesigners can choose those materials with high specific stiffness to decrease the weight of fixtures, increase the thickness of fixtures to get higher rigidity, and add threaded connections to get higher damping.
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