Spindle Speed Selection (Spindle Power/Torque Diagrams) - Okuma VTM-200 Operation & Maintenance Manual

2-3.

Spindle Speed Selection (Spindle Power/Torque Diagrams)

-1
250 min
kW
30
20
10
5
1
0.5
0.1
For powerful cutting select a spindle in the shaded area so that cutting is performed within a con-
stant output range.
•
High speed and low speed of spindle speed are selected by coil switching.
30/20 kW (40/27 hp) (30 min/cont)
20 kW (27 hp) (cont)
12852 Nm (9485.6 lbf-ft)
8568 Nm (6323.7 lbf-ft)
5027 Nm
(3710.2 lbf-ft)
5 10
SECTION 3 OPERATION (OF CNC LATHE)
30 kW (40 hp) (30 min)
22 kW (30 hp) (cont)
6854 Nm (5058.7 lbf-ft)
50 100 200
22 42 56 84 167 250
Spindle speed
250
84
42
22
10
5
Nm
20000
10000
5000
1000
500
100
300 500
-1
min
5699-E P-26
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