Automated Upgraded Generalized Full-Discretization Method …
101
Fig. 17 The identified
stability curves at two-thirds
of tool pass of the
bidirectional model for the
orders p = p c = p d
0.5
1
1.5
2
2.5
spindle speed [rpm]
10
4
0
5
10
15
20
25
30
depth of cut [mm]
ref
p=1
p=2
p=3
p=4
p=5
p=6
p=7
p=8
p=9
p=10
CTRS
Fig. 18 The time-domain
simulation of nodal
responses at [15000 rpm,
22.5 mm] indicated by star in
Fig. 17
0
0.01
0.02
time [s]
-400
-300
-200
-100
0
100
200
300
regenerative displacement [
m]
0
0.01 0.02
time [s]
-1
-0.5
0
0.5
1
regenerative velocity [m/s]
Fig. 19 Stability curves for
p = p c = p d compared
against the reference at the
start of tool pass
0.5
1
1.5
2
2.5
spindle speed [rpm]
10
4
0
5
10
15
20
25
30
depth of cut [mm]
ref
p=11
p=12
p=13
p=14
p=15