Modelling of the micro-grinding process considering the grinding tool topography
by Mohammadali Kadivar; Ali Zahedi; Bahman Azarhoushang; Peter Krajnik
International Journal of Abrasive Technology (IJAT), Vol. 8, No. 2, 2017

Abstract: The micro topography of the grinding tool has a considerable influence on the cutting forces and temperature as well as the tool wear. This paper addresses an analytical modelling of the micro-grinding process based on the real tool topography and kinematic modelling of the cutting-edgeworkpiece interactions. An approximate shape of the abrasive grains and their distribution is obtained from the confocal images, which are taken from the tool surface - determining the grain height protrusion and the probability density function of the grains. To determine the grinding forces, a transient kinematic approach is developed. In this method, the individual grit interaction with the workpiece is extended to the whole cutting zone in the peripheral flank grinding operation. Hence a predictive model of cutting forces and surface roughness in micro grinding of titanium grade 5 is developed. Finally, the simulated forces and surface roughness are validated by the experimental results.

Online publication date: Tue, 09-Jan-2018

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