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Prediction of the Sugar Mill Shaft Failure Using a Fracture Mechanics Method

[+] Author Affiliations
Nelson Arzola, Rafael Goytisolo, Ramon Perez, Ariel Fernandez

University of Cienfuegos

Paper No. IMECE2005-80430, pp. 775-781; 7 pages
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Manufacturing Engineering and Materials Handling, Parts A and B
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Manufacturing Engineering Division and Materials Handling Division
  • ISBN: 0-7918-4223-1 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME


A fracture mechanics based method and a new analysis scheme is presented for determining the residual life of sugar mill shafts with semi elliptical cracks. Due to the multiaxial stress field, an equivalent strain energy release rate stress intensity solution is used in the Paris law to predict crack growth. Ultrasonic inspection intervals for the shafts are established. The crack zone evaluated is located in the shoulder of the bearing nearest to the square box coupling where about 85% of the service failure these types of shafts are observed [1, 2, 3].

Copyright © 2005 by ASME



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