ModelMULTUS B400II
Max Turning DiameterØ27.95 in (Ø710 mm)
Spindle Nose TypeJIS A2-8
Spindle Nose Type (options / other configurations)JIS A2-11
Speed Range38~3,800 rpm
Speed Range (options / other configurations)30~2,800 rpm
Motor — Main spindle (50%ED/cont), kW (hp) (corrected: okuma.com showed 'VAC 30/20 hp (VAC 22/15 kW)'; per the Okuma MULTUS B II series (MULTUS B200II / B250II / B300II / B400II) brochure, Aug 2023, p. 14)22/15 (30/20)
Rapid Traverse X,Z/Y1,575/1,024 ipm (40/26 m/min)
Capacity — Swing over saddle (Y=0), mm (in)ø710 (27.95)
Capacity — Distance between centers, mm (in)1,500 (59.06)
Travel — X-axis, mm (in)690 (+670 to −20) (27.17 (+26.38 to –0.79))
Travel — Z-axis, mm (in)1,545 (60.83)
Travel — Y-axis, mm (in)230 (+115 to −115) (9.06 (+4.53 to –4.53))
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)ø80 (ø3.15)
Main spindle — Bearing dia, mm (in)ø120 (ø4.72)
Turret — TypeH1 ATC
Turret — OD tool shank dimensions, mm (in)□25 (□1)
Turret — ID tool shank diameter, mm (in)ø40 (ø1-1/2)
Milling tool spindle — Speed range, min⁻¹50 to 6,000
Milling tool spindle — Max torque (5 min/cont), N-m85/59.6
Motor — Milling tool spindle (5 min/cont), kW (hp)14/10 (19/13)
Feed rate — Rapid traverse — W (tailstock), mm/minW : 12,000 (tailstock)
NC tailstock — Travel, mm (in)1,550 (61.02)
NC tailstock — Tailstock thrust, kN1.5 to 7
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)400 (15.75)
ATC — Max tool mass, kg (lb)10 (22)
Axis drive motors, kW (hp)X : 3.5 (5), Y : 2.8 (4), Z : 4.6 (6)
W-axis motor (tailstock), kW (hp)2.8 (4)
Coolant pump motor (50/60Hz), kW (hp)0.55/0.75 (0.7/1) × 3
Machine size — Height, mm (in)3,000 (118.11)
Machine size — Floor space (with tank), mm×mm (in)5,750 × 2,797 (226.38 × 110.12)
Machine size — Mass (with CNC), kg (lb)14,500 (31,900)
NC controllerOSP-P500S
Capacity: other configurations and options (1)
Capacity — Distance between centers (×2000), mm (in)2,000 (78.74)
Travel: other configurations and options (3)
Travel — Z-axis (×2000), mm (in)2,045 (80.51)
Travel — W-axis (×1500 W), mm (in)1,550 (61.02)
Travel — W-axis (×2000 W), mm (in)2,050 (80.71)
Main spindle: other configurations and options (2)
Tapered bore (option: Big-Bore spindle), mm (in)ø110 (ø4.33)
Bearing dia (option: Big-Bore spindle), mm (in)ø150 (ø5.91)
Opposing spindle: other configurations and options (4)
Opposing spindle — Speed (W), min⁻¹38 to 3,800
Opposing spindle — Nose (W)JIS A2-8
Opposing spindle — Tapered bore (W), mm (in)ø80 (ø3.15)
Opposing spindle — Bearing dia (W), mm (in)ø120 (ø4.72)
Motor: other configurations and options (4)
Motor — Opposing spindle (W) (20 min/cont), kW (hp)22/15 (30/20)
Milling tool spindle (option: Milling tool high speed spindle) (5 min/cont), kW (hp)20/14 (27/19)
Main spindle (option: High power spindle; also included with the Big-Bore spindle) (50%ED/cont), kW (hp)30/22 (40/30)
W-axis motor (W), kW (hp)2.8 (4)
Machine Specifications (footnote *3): other configurations and options (4)
Big-Bore opposing spindle — speed (option), min⁻¹30 to 3,000
Big-Bore opposing spindle — nose (option)JIS A2-11
Big-Bore opposing spindle — tapered bore / bearing dia (option), mmø110/ø150
Big-Bore opposing spindle — motor (option) (30 min/cont), kW22/15
Milling tool spindle: other configurations and options (2)
Speed range (option: Milling tool high speed spindle), min⁻¹50 to 10,000
Max torque (option) (5 min/cont), N-m65.5/45
Feed rate: other configurations and options (1)
Feed rate — Rapid traverse — W (W, opposing spindle), mm/minW : 20,000
NC tailstock: other configurations and options (1)
NC tailstock — Travel (×2000 C), mm (in)2,050 (80.71)
ATC: other configurations and options (2)
Tool shank (option)CAPTO C6
No. of tools (option), tools40, 80, 120
Machine size: other configurations and options (6)
Machine size — Height (×2000), mm (in)3,137 (123.5)
Machine size — Floor space (with tank) (×2000), mm×mm (in)7,050 × 2,797 (277.56 × 110.12)
Machine size — Mass (with CNC) (×1500 T), kg (lb)14,200 (31,240)
Machine size — Mass (with CNC) (×1500 W), kg (lb)15,500 (34,100)
Machine size — Mass (with CNC) (×2000 C), kg (lb)16,500 (36,300)
Machine size — Mass (with CNC) (×2000 W), kg (lb)17,500 (38,500)
