Research on Multipass Hot Spinning Process Technology of AZ80 Magnesium Alloy Shell

Table 4

Multipass numerical simulation spinning process parameters of magnesium alloy cylindrical parts.

Parameters	First pass	Second pass	Third pass	Fourth pass
Main spindle speed n (r/min)	60	60	90	60
Feed rate of the wheel f (mm/r)	1	1	0.7	0.7
Thinning rate of the wall φt (%)	23.3	26.1	29.4	25
Blank wall thickness t (mm)	30	23	17	12
Spinning temperature (°C)	270	270	270	270
Round corner diameter of the wheel rp (mm)	10	10	10	10
Reduction of the rotating wheel C (mm)	6	6	3	3
Difference in reductions of the rotary wheels Δt (mm)	2	2	1	2