2023 Okuma Multus B250II

Capacity
Swing over saddle mm (in) ø600 (23.62)
Max machining dia mm (in) ø600 (23.62)
Distance between centers mm (in) 750 (29.53)
Travels
X axis mm (in) 500 (+480 to −20) (19.69 (+18.9 to –0.79))
Z axis mm (in) 800 (31.5)
Y axis mm (in) 200 (+100 to −100) (7.87 (+3.94 to –3.94))
W axis mm (in) 810 (31.89)
C-axis control degree 360 (min control angle 0.001)
B axis indexing angle degree 225 (−30 to 195 (min control angle 0.001))
Main Spindle
Spindle speed min-1 45 to 5,000
Speed ranges 2 auto ranges (2-speed motor coil switching)
Spindle nose JIS A2-6
Tapered bore / Bearing dia mm (in) ø62/ø100 [ø80/ø120] (ø2.44/ø3.94 [ø3.15/ø4.72])
Opposing Spindle
Spindle speed min-1 50 to 6,000
Speed ranges 2 auto ranges (motor coil switching)
Spindle nose ø140 flat
Tapered bore / Bearing dia mm (in) ø62/ø100 (ø2.44/ø3.94)
Turret
Type H1 ATC
No. of tools stations 1 for both L and M tools
OD tool shank dimensions/ ID tool shank diameter 25/ø32 ( 1/ø1-1/4)
Milling Tool Spindle
Speed range min-1 50 to 12,000
Max torque N-m 40.1/26.3 (5 min/cont) [23.9/15.9 (5 min/cont)*4]
Feedrates
Rapid traverse mm/min X : 40,000 Z : 40,000 Y : 26,000 W : 20,000
ATC
Tool shank / Pull stud CAPTO C6
No. of tools 60
Max tool dia mm (in) ø90 (3.54) (ø130 (5.12) w/o adjacent tools)
Max tool length mm (in) 200 (7.87) (from gauge line)
Max tool weight kg (lb) 4 (9)
Motors
Main spindle kW (hp) (30/20) (30 min/cont)
Opposing spindle kW (hp) (15/10) (20 min/cont)
Axis drive motors kW (hp) X : 3.5 (5), Y : 2.9 (4), Z : 2.8 (4)
W axis motors kW (hp) 2.9 (4)
Coolant pump motor (50/60Hz) kW (hp) 0.55/0.75 (0.7/1)