ModelMULTUS B250II
Max Turning DiameterØ23.62 in (Ø600 mm)
Spindle Nose TypeJIS A2-6
Speed Range45~5,000 rpm
Motor — Main spindle (20 min/cont), kW (hp) (corrected: okuma.com showed '30/20 hp (22/15 kW)'; per the Okuma MULTUS B II series (MULTUS B200II / B250II / B300II / B400II) brochure, Aug 2023, p. 13)15/11 (20/15)
Main spindle (option: High power spindle) (30 min/cont), kW (hp) (corrected: okuma.com showed '30/20 hp (22/15 kW)'; per the Okuma MULTUS B II series (MULTUS B200II / B250II / B300II / B400II) brochure, Aug 2023, p. 13)22/15 (30/20)
Rapid Traverse X,Z/Y1,575/1,024 ipm (40/26 m/min)
Capacity — Swing over saddle, mm (in)ø600 (23.62)
Capacity — Distance between centers, mm (in)750 (29.53)
Travel — X-axis, mm (in)500 (+480 to −20) (19.69 (+18.9 to –0.79))
Travel — Z-axis, mm (in)800 (31.5)
Travel — Y-axis, mm (in)200 (+100 to −100) (7.87 (+3.94 to –3.94))
Travel — C-axis control, degree360 (min control angle 0.001)
Travel — B-axis indexing angle, degree225 (−30 to 195 (min control angle 0.001))
Main spindle — Tapered bore, mm (in)ø62 (ø2.44)
Main spindle — Bearing dia, mm (in)ø100 (ø3.94)
Turret — TypeH1 ATC
Turret — OD tool shank dimensions, mm (in)□25 (□1)
Turret — ID tool shank diameter, mm (in)ø32 (ø1-1/4)
Milling tool spindle — Speed range, min⁻¹50 to 12,000
Milling tool spindle — Max torque (5 min/cont), N-m40.1/26.3
Motor — Milling tool spindle (5 min/cont), kW (hp)12/8 (16/11)
Feed rate — Rapid traverse — W (tailstock), mm/minW : 12,000 (tailstock)
NC tailstock — Travel, mm (in)810 (31.89)
NC tailstock — Tailstock thrust, kN1 to 5
ATC — Tool shankHSK-A63
ATC — No. of tools, tools20
ATC — Max tool dia, mm (in)ø90 (3.54)
ATC — Max tool dia (w/o adjacent tools), mm (in)ø130 (5.12)
ATC — Max tool length (from gauge line), mm (in)200 (7.87)
ATC — Max tool mass, kg (lb)4 (9)
Axis drive motors, kW (hp)X : 3.5 (5), Y : 2.9 (4), Z : 2.8 (4)
W-axis motor (tailstock), kW (hp)2.9 (4)
Coolant pump motor (50/60Hz), kW (hp)0.55/0.75 (0.7/1) × 3
Machine size — Height, mm (in)2,582 (101.65)
Machine size — Floor space (with tank), mm×mm (in)3,620 × 2,289 (142.52 × 90.12)
Machine size — Mass (with CNC), kg (lb)7,900 (17,380)
NC controllerOSP-P500S
Travel: other configurations and options (1)
Travel — W-axis (×750 W), mm (in)810 (31.89)
Opposing spindle: other configurations and options (4)
Opposing spindle — Speed (×750 W), min⁻¹50 to 6,000
Opposing spindle — Nose (×750 W)ø140 flat
Opposing spindle — Tapered bore (×750 W), mm (in)ø62 (ø2.44)
Opposing spindle — Bearing dia (×750 W), mm (in)ø100 (ø3.94)
Motor: other configurations and options (3)
Motor — Opposing spindle (×750 W) (20 min/cont), kW (hp)11/7.5 (15/10)
Milling tool spindle (option: Milling tool high speed spindle) (5 min/cont), kW (hp)9/6 (12/8)
W-axis motor (×750 W), kW (hp)2.9 (4)
Milling tool spindle: other configurations and options (2)
Speed range (option: Milling tool high speed spindle), min⁻¹20,000
Max torque (option, *4 HSK-A63 only) (5 min/cont), N-m23.9/15.9
Feed rate: other configurations and options (1)
Feed rate — Rapid traverse — W (×750 W, opposing spindle), mm/minW : 20,000
ATC: other configurations and options (2)
Tool shank (option)CAPTO C6
No. of tools (option), tools40, 60
Machine size: other configurations and options (1)
Machine size — Mass (with CNC) (×750 W), kg (lb)8,100 (17,820)