Bridge Mills and Gantry Mills
Power and endurance for heavy jobs demanding accuracy and high productivity.
VB420
The VB420 is a double column bridge vertical machining center designed for heavy cutting applications. This machine features roller guides, a hydraulic counterbalance system on the headstock, and a powerful spindle. These features allow for highly precise and accurate cuts without sacrificing speed.
JTEKT Advantage ROI Justification MACHINE SELECTOR
FERROUS SPECS
| Table Size | 161.4" x 70.8" (4,100 mm x 1,800 mm) |
| X-Axis Travel | 158.2" (4,020 mm) |
| Y-Axis Travel | 78.7" (2,000 mm) |
| Z-Axis Travel | 31.5" (800 mm) |
| Distance from Spindle Nose to Table Top | 7.9" to 39.4" (200 mm to 1,000 mm) |
| Distance Between Columns | 82.6" (2,100 mm) |
| Maximum Table Load | 33,000 lb (15,000 kg) |
| Spindle Drive Motor (30 min. / cont.) | 35 HP (26 kW) / 30 HP (22 kW) |
| Spindle Output Torque | 461 ft-lb (626.2 Nm) |
| Spindle Speed | Gearbox (CAT50): 6,000 RPM |
| Rapid Feedrate (X axis) | 708.5 ipm (18 m/min) |
| Rapid Feedrate (Y axis) | 787.4 ipm (20 m/min) |
| Rapid Feedrate (Z axis) | 590 ipm (15 m/min) |
| Maximum Cutting Feedrate | 394 ipm (10 m/min) |
| Tool Storage Capacity | 32 Standard (60 Optional) |
| Standard Floor Space | 414" x 207" x 163" (10,520 mm x 5,276 mm x 4,152 mm) |
| Standard Net Weight | 66,000 lb (30,000 kg) |
| Chip Conveyor | Hinged Belt Lift Up type, 47" Drop Height from floor |
NON-FERROUS SPECS
| Table Size | 161.4" x 70.8" (4,100 mm x 1,800 mm) |
| X-Axis Travel | 158.2" (4,020 mm) |
| Y-Axis Travel | 78.7" (2,000 mm) |
| Z-Axis Travel | 31.5" (800 mm) |
| Distance from Spindle Nose to Table Top | 7.9" to 39.4" (200 mm to 1,000 mm) |
| Distance Between Columns | 82.6" (2,100 mm) |
| Maximum Table Load | 33,000 lb (15,000 kg) |
| Spindle Drive Motor (30 min. / cont.) | 35 HP (26 kW) / 30 HP (22 kW) |
| Spindle Output Torque | 461 ft-lb (626.2 Nm) |
| Spindle Speed | Gearbox (CAT50): 6,000 RPM |
| Rapid Feedrate (X axis) | 708.5 ipm (18 m/min) |
| Rapid Feedrate (Y axis) | 787.4 ipm (20 m/min) |
| Rapid Feedrate (Z axis) | 590 ipm (15 m/min) |
| Maximum Cutting Feedrate | 394 ipm (10 m/min) |
| Tool Storage Capacity | 32 Standard (60 Optional) |
| Standard Floor Space | 414" x 207" x 163" (10,520 mm x 5,276 mm x 4,152 mm) |
| Standard Net Weight | 66,000 lb (30,000 kg) |
| Chip Conveyor | Hinged Belt Lift Up type, 47" Drop Height from floor |
HIGH TEMP ALLOY SPECS
| Table Size | 161.4" x 70.8" (4,100 mm x 1,800 mm) |
| X-Axis Travel | 158.2" (4,020 mm) |
| Y-Axis Travel | 78.7" (2,000 mm) |
| Z-Axis Travel | 31.5" (800 mm) |
| Distance from Spindle Nose to Table Top | 7.9" to 39.4" (200 mm to 1,000 mm) |
| Distance Between Columns | 82.6" (2,100 mm) |
| Maximum Table Load | 33,000 lb (15,000 kg) |
| Spindle Drive Motor (30 min. / cont.) | 35 HP (26 kW) / 30 HP (22 kW) |
| Spindle Output Torque | 461 ft-lb (626.2 Nm) |
| Spindle Speed | Gearbox (CAT50): 6,000 RPM |
| Rapid Feedrate (X axis) | 708.5 ipm (18 m/min) |
| Rapid Feedrate (Y axis) | 787.4 ipm (20 m/min) |
| Rapid Feedrate (Z axis) | 590 ipm (15 m/min) |
| Maximum Cutting Feedrate | 394 ipm (10 m/min) |
| Tool Storage Capacity | 32 Standard (60 Optional) |
| Standard Floor Space | 414" x 207" x 163" (10,520 mm x 5,276 mm x 4,152 mm) |
| Standard Net Weight | 66,000 lb (30,000 kg) |
| Chip Conveyor | Hinged Belt Lift Up type, 47" Drop Height from floor |
ACCURACY
| Linear Position Accuracy | ± 0.0004" (0.01 mm) full travel |
| Linear Repeatability | ± 0.0001" (0.003 mm) |
REEQUIREMENTS
| Coolant Tank Capacity | 106 gallon |
| Air Source | 90 psi @ 3.78 CFM |
| Total power Required | AC 220V ±10% (60 kVA) |
Specifications are subject to change without notice.
Full Line of Bridge Mills and Gantry Mills
VB Series
Job Shop FANUC Oi Double Column Bridge Mill
X-Axis: 79.5" (2,020mm) to 158.2" (4,020mm)
Y-Axis: 59" (1,500mm) to 78.7" (2,000mm)
Z-Axis: 31.5" (800mm)
Spindle: #50 6,000 RPM Geared Head
RB Series
FANUC 31i Double Column Bridge Mill
X-Axis: 83.5" (2,120mm) to 120.5" (3,060mm)
Y-Axis: 47.2" (1,200mm)
Z-Axis: 31.5" (800mm)
Spindle: #50 6K Geared or Highspeed Options
SB Series
FANUC 31i Double Column Bridge Mill
X-Axis: 83.5" (2,120mm) to 159.8" (4,060mm)
Y-Axis: 63" (1,600mm) to 90.5" (2,300mm)
Z-Axis: 31.5" (800mm) to 39.3" (1000mm)
Spindle: Geared Head or Highspeed Options
Five-Face/Right Angle Head Capable
LB Series
FANUC 31i Double Column Bridge Mill
X-Axis: 120.5" (3,060mm) to 253.8" (10,000mm)
Y-Axis: 84.6" (2,150mm) to 157.5" (4,000mm)
Z-Axis: 31.5" (800mm) to 55.1" (1400mm)
Spindle: Geared Head or Highspeed Options
Five-Face/Right Angle Head Capable
LB Series (cont.)
FANUC 31i Double Column Bridge Mill
X-Axis: 120.5" (3,060mm) to 253.8" (10,000mm)
Y-Axis: 84.6" (2,150mm) to 157.5" (4,000mm)
Z-Axis: 31.5" (800mm) to 55.1" (1400mm)
Spindle: Geared Head or Highspeed Options
Five-Face/Right Angle Head Capable
MG Series
FANUC 31i Moving Gantry Mill
X-Axis: 197" (5,000mm) to 787.4" (20,000mm)
Y-Axis: 118.1" (3,000mm) to 236.2" (6,000mm)
Z-Axis: 31.5" (800mm) to 55.1" (1400mm)
Spindle: Geared Head or Highspeed Options
Five-Face/Right Angle Head Capable
MG Series (cont.)
FANUC 31i Moving Gantry Mill
X-Axis: 197" (5,000mm) to 787.4" (20,000mm)
Y-Axis: 118.1" (3,000mm) to 236.2" (6,000mm)
Z-Axis: 31.5" (800mm) to 55.1" (1400mm)
Spindle: Geared Head or Highspeed Options
Five-Face/Right Angle Head Capable