Numerical Simulation and Experimental Study on Wear of Cone Bit Tooth

Numerical Simulation and Experimental Study on Wear of Cone Bit Tooth The Rabinowicz abrasive wear model was adopted. The coefficient K ɛ of teeth abrasive wear is obtained through experiments. The interaction model between cone bit and rock was established by Finite Element Software. The problems of large rock morphing and slowing to compute were solved through Mesh Redrawing Method and parallel computing technology. The mount of tooth wear and the appearance of tooth wear of three tooth shapes were analyzed, which were compared with the experiment situations. The results showed that the finite element model could predict the tooth life and its wear very well. The relationship between ROP, rotational speed and tooth wear and rock was explored, providing the bit selection and parameter recommendation in drilling with basis. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Failure Analysis and Prevention Springer Journals

Numerical Simulation and Experimental Study on Wear of Cone Bit Tooth

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Publisher
Springer US
Copyright
Copyright © 2018 by ASM International
Subject
Materials Science; Tribology, Corrosion and Coatings; Characterization and Evaluation of Materials; Classical Mechanics; Structural Mechanics; Quality Control, Reliability, Safety and Risk
ISSN
1547-7029
eISSN
1864-1245
D.O.I.
10.1007/s11668-018-0436-2
Publisher site
See Article on Publisher Site

Abstract

The Rabinowicz abrasive wear model was adopted. The coefficient K ɛ of teeth abrasive wear is obtained through experiments. The interaction model between cone bit and rock was established by Finite Element Software. The problems of large rock morphing and slowing to compute were solved through Mesh Redrawing Method and parallel computing technology. The mount of tooth wear and the appearance of tooth wear of three tooth shapes were analyzed, which were compared with the experiment situations. The results showed that the finite element model could predict the tooth life and its wear very well. The relationship between ROP, rotational speed and tooth wear and rock was explored, providing the bit selection and parameter recommendation in drilling with basis.

Journal

Journal of Failure Analysis and PreventionSpringer Journals

Published: Mar 21, 2018

References

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