Fig. 1. Orthogonal cutting and Poisson’s burr

Fig. 2. Plastic side flow principle in orthogonal cutting of nickel-phosphorus alloy

Fig. 3. Orthogonal cutting slip line field model considering cutting edge radius

Fig. 4. Interface of cutting process diversion

Fig. 5. Ultra-precision free-form surface processing machine tool and orthogonal cutting nickel-phosphorus alloy

Fig. 6. Ultra-precision measuring and testing equipment

Fig. 7. Cutting force signals at different cutting depths

Fig. 8. Burr morphology at different cutting depths

Fig. 9. Characterization results of Poisson’s burr（hd=3μm， V=200mm/min）

Fig. 10. Effect of cutting depth on burr size

Fig. 11. Effect of cutting speed on burr size

Fig. 12. Calculation process for Poisson’s burr volume of nickel-phosphorus alloy

Fig. 13. Effect of processing parameters on burr volume