Research Article

The Grey Theory Combining the Taguchi Method for the Best Parameters: A Case Study of Polishing M300 Steel

Figure 12

Surface topographies of the workpiece by optimized parameters before and after polishing.
(a) Workpiece surface contrast
(b) Surface topography of the workpiece by minRa parameter combination
(c) Initial surface topography
(d) Surface topography of the workpiece after polishing