Discrete Element Method Simulation of Residual Stresses in Grinding of Granite with Single Diamond Grain

Liang Kang; Yong Ye

doi:10.4028/www.scientific.net/AMM.300-301.1304

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 300-301Discrete Element Method Simulation of Residual...

Discrete Element Method Simulation of Residual Stresses in Grinding of Granite with Single Diamond Grain

Abstract:

The discrete element model and the model of single diamond grain grinding process of granite were constructed through numerical simulation and calibration of mechanical properties. Based on the models, the grinding processes of granite was dynamically simulated, and the effects of different rank angles, grinding speeds and cutting depths on the distribution of residual stresses as the depth of workpiece were also analyzed. The results show that the residual stress in the workpiece is relatively small after grinding when the tool rank angle lays in a small negative (-200 to 00). Otherwise, when the tool rank angle is too large or too small, there is a significant residual stress. The residual stresses in the workpiece increase with the increase of grinding speed and cutting depth. The residual stress nephogram was accomplished and the generated mechanism of residual stress was also analyzed. The results proved that the discrete element method (DEM) is an effective way to analyze the residual stress

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Periodical:

Applied Mechanics and Materials (Volumes 300-301)

Pages:

1304-1308

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.300-301.1304

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Online since:

February 2013

Authors:

Liang Kang, Yong Ye

Keywords:

Discrete Element Method (DEM), Granite, Grinding, Residual Stress, Simulation

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