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Failure Analysis of a Commercial Brush Chipper Hood

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Abstract

The present study describes the failure analysis and accident reconstruction of a brush chipper, whereby an initial impact from the rotating disk with the chipper’s hinged hood precipitated a chain of events that culminated with the ejection of the hood from the chipper. This analysis specifically addresses whether or not the welds and/or four additional (aftermarket) retaining bolts would have been sufficient to contain the energy from the disk strike, thus prohibiting the hood from departing the machine and striking the operator.

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References

  1. ANSI Z133.1: American National Standard for Arboricultural Operations—Safety Requirements. American National Standards Institute (2006)

  2. Juvinall, R., Marshek, K.: Fundamentals of Machine Component Design, 2nd edn. Wiley, New York (1991)

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Authors and Affiliations

  1. Engineering Systems Inc., 4215 Campus Drive, Aurora, IL, 60504, USA

    David Norfleet, Michael Stevenson, John Wilkinson, Matthew Kenner & Dennis Brickman

Authors
  1. David Norfleet
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  2. Michael Stevenson
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  3. John Wilkinson
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  4. Matthew Kenner
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  5. Dennis Brickman
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Corresponding author

Correspondence to Michael Stevenson.

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Norfleet, D., Stevenson, M., Wilkinson, J. et al. Failure Analysis of a Commercial Brush Chipper Hood. J Fail. Anal. and Preven. 11, 595–602 (2011). https://doi.org/10.1007/s11668-011-9486-4

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  • DOI: https://doi.org/10.1007/s11668-011-9486-4

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