Fig. 1. Structure diagram of ring pendulum double-sided rapid polishing machine

Fig. 2. ANSYS static pressure modeling simulation

Fig. 3. Schematic diagram of kinematic analysis of abrasive particles

Fig. 4. Inspection results of components. (a) Comparison of actual machining and simulation results of 1# workpiece; (b) comparison of actual machining and simulation results of 2# workpiece; (c) comparison of actual machining and simulation results of 3# workpiece

Fig. 5. Distributions of removal amount from upper and lower surfaces of workpiece. (a) Distribution of removal amount on upper surface; (b) distribution of removal amount on lower surface

Fig. 6. Average removal amount of upper and lower surfaces of workpiece under different groups of parameters

Fig. 7. Mean square error of removal amount of upper and lower surfaces under different groups of parameters

Fig. 8. Trajectory distributions of polishing abrasive particles under different center eccentricity. (a) Center eccentricity is 0 mm; (b) center eccentricity is 15 mm; (c) center eccentricity is 30 mm; (d) center eccentricity is 45 mm; (e) center eccentricity is 60 mm

Fig. 9. Trajectory distributions of polishing abrasive particles under different radial swing distances. (a) Radial swing distance is 0 mm; (b) radial swing distance is 15 mm; (c) radial swing distance is 30 mm; (d) radial swing distance is 45 mm; (e) radial swing distance is 60 mm

Fig. 10. Trajectory distributions of polishing abrasive particles under different radial swing speed. (a) Radial swing speed is 1 mm/s; (b) radial swing speed is 3 mm/s; (c) radial swing speed is 5 mm/s; (d) radial swing speed is 7 mm/s; (e) radial swing speed is 9 mm/s

Fig. 11. Initial surfaces of different workpieces. (a) Initial surface of 1# workpiece; (b) initial surface of 2# workpiece

Fig. 12. Inspection results of experimental components. (a) Machined surface of 1# workpiece; (b) machined surface of 2# workpiece