Published January 1, 2019 | Version v1
Journal article Open

Setup for testing the vibration-based loosening of pre-loaded bolted joints

  • 1. Bursa Uludag Univ, Mech Engn Dept, Inst Sci, Bursa, Turkey
  • 2. Bursa Uludag Univ, Automot Engn Dept, Inst Sci, Bursa, Turkey
  • 3. Fiat Chrysler Automobiles Turkey, Bursa, Turkey
  • 4. Uludag Univ, Engn Dept, Automot Engn, Bursa, Turkey

Description

In this study, a test setup was designed and manufactured in order to study vibration based self-loosening characteristics of preloaded bolted joints, especially used in the automobile industry. Details of the designed test setup and its operating principles are presented in addition to the test setups available in the literature. Using the test system developed and implementing a design of experiments procedure, first trials were conducted by using the test setup. Under predefined conditions, it is possible to identify when theloosening of bolts occurs and what tightening moment value is required to prevent self-loosening.

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