Table 1.
Chemical elements of TC21 alloy.
Table 2.
Physical properties of TC21 alloy.
Fig 1.
Schematic of straight-tooth milling experiment.
Fig 2.
Experiment setup of the straight-tooth milling.
(a) Sample of TC21, (b) Straight-tooth milling tool.
Table 3.
Straight-tooth milling conditions of TC21 alloy.
Fig 3.
Schematic of cutting process.
Fig 4.
Cutting model for straight-tooth milling of TC21 alloy.
Table 4.
Constants of Johnson–cook equation for TC21 alloy.
Table 5.
Fracture parameters of Johnson–cook for TC21 alloy.
Fig 5.
Chip formation and stress distribution at different cutting times.
(a) 0.0006s, (b) 0.001s, (c) 0.016s, (d) 0.024s. (Spindle speed: 8000 r/min, and feed per tooth: 0.1 mm).
Fig 6.
Temperature distribution at different cutting times.
(a) 0.0006 s, (b) 0.001 s, (c) 0.0016 s, (d) 0.0024 s. (Spindle speed: 8000 r/min, feed per tooth: 0.1 mm).
Fig 7.
Chip shape of titanium alloy in strait-tooth milling.
(Spindle speed: 8000 r/min, and feed per tooth: 0.1 mm).
Fig 8.
Milling forces curves of titanium alloy TC21.
(a) Milling force curve in simulation, (b) Milling force curve in experiment.
Fig 9.
(a) Milling force with the different feed per tooth (Tool diameter: 10 mm), (b) Milling force with the different tool diameters (Feed per tooth: 0.05mm).