February 2001
Engineering Case Histories
Case 1: The fatigued motor shaft
First in a series of bimonthly case histories. This one reveals why belt tensioning was the real cause of failure
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The Author
Sofronas, A. - Consulting Engineer, Houston, Texas
Tony Sofronas, D. Eng, was the worldwide lead mechanical engineer for ExxonMobil Chemicals before retiring. He now owns Engineered Products, which provides consulting and engineering seminars on machinery and pressure vessels. Dr. Sofronas has authored two engineering books and numerous technical articles on analytical methods.
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