Numerical simulation method for three-dimensional rough surface of vibratory polishing parts

The lack of characterization and simulating methods for the three-dimensional rough surface of vibratory polishing parts restricts the precise correlation between surface topography and service performance. In this paper, the evolution trend of vibratory polishing characteristic base surface is explained from a geometric perspective, based on which the measured vibratory polishing micro-texture features are extracted, characterized, and reconstructed sequentially. Based on the reconstructed texture features and initial topography, a stratified method is proposed to simulate the rough surface after any processing moment of vibratory polishing. The method is applied to simulate measured shot peening-vibratory polishing surfaces with different processing times. The results showed that the height and texture features are consistent between the measured and simulated surfaces.