Computer-aided Simulation of Rotary Diamond Dressing Based on Kinematic Analysis

概要

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Rotary diamond dressers are one of the most widely used dressers for the dressing of vitrified grinding wheels. In this study, we develop a relatively comprehensive dressing mechanism for the rotary diamond dresser that takes into consideration the relationship between the dressing conditions and the dressing trajectories of diamond grits formed on the working surface of a grinding wheel. The dressing mechanism can be used to determine the dressing performance, i.e., whether or not the diamond grits come in contact with the entire circumferential surface of the grinding wheel, known as complete dressing. A computer-aided simulation of the dressing process is developed to visualize the dressing trajectories formed on the working surface of the grinding wheel for a given set of dressing conditions, i.e., the velocity ratio of the rotary diamond dresser to the grinding wheel, up-cut or down-cut dressing, and single-pass or multipass dressing. Using the simulation process, the maximum feed speed of the rotary diamond dresser in single-pass dressing and the minimum number of passes in multipass dressing required to realize complete dressing are examined.
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