A physics-based approach to relate grinding process parameters to tribological behavior of ground surfaces

A physics-based approach to relate grinding process parameters to tribological behavior of ground... In this study, we propose a new approach to investigate the influence of the grinding process parameters on the friction coefficient of the ground surface when in contact with another surface. This is achieved through the implementation of a physics-based model capable of predicting the friction coefficient. The model is based on hydrodynamic lubrication theory, solving a special case of the Navier-Stokes equations (Reynolds equation). The model will provide more insights to help optimize the grinding parameters and therefore surface texture, thus achieving the desired product functionality in term of tribological behavior. The model is being validated using reported experimental data. A case study on the influence of grinding wheel speed on the surface roughness and tribological behavior is performed. Based on the predicted results, we report an average friction coefficient in the transverse direction lower than the longitudinal. The proposed predictive approach demonstrates capacity in predicting the impact of grinding wheel speed on the friction coefficient, hydrostatic pressure, and average film thickness for a defined contact condition, hence more insights on the tribological functionality of a ground surface. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The International Journal of Advanced Manufacturing Technology Springer Journals

A physics-based approach to relate grinding process parameters to tribological behavior of ground surfaces

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Publisher
Springer London
Copyright
Copyright © 2017 by Springer-Verlag London
Subject
Engineering; Industrial and Production Engineering; Media Management; Mechanical Engineering; Computer-Aided Engineering (CAD, CAE) and Design
ISSN
0268-3768
eISSN
1433-3015
D.O.I.
10.1007/s00170-017-0111-x
Publisher site
See Article on Publisher Site

Abstract

In this study, we propose a new approach to investigate the influence of the grinding process parameters on the friction coefficient of the ground surface when in contact with another surface. This is achieved through the implementation of a physics-based model capable of predicting the friction coefficient. The model is based on hydrodynamic lubrication theory, solving a special case of the Navier-Stokes equations (Reynolds equation). The model will provide more insights to help optimize the grinding parameters and therefore surface texture, thus achieving the desired product functionality in term of tribological behavior. The model is being validated using reported experimental data. A case study on the influence of grinding wheel speed on the surface roughness and tribological behavior is performed. Based on the predicted results, we report an average friction coefficient in the transverse direction lower than the longitudinal. The proposed predictive approach demonstrates capacity in predicting the impact of grinding wheel speed on the friction coefficient, hydrostatic pressure, and average film thickness for a defined contact condition, hence more insights on the tribological functionality of a ground surface.

Journal

The International Journal of Advanced Manufacturing TechnologySpringer Journals

Published: Feb 9, 2017

References

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