Bridge Mills and Gantry Mills
Power and endurance for heavy jobs demanding accuracy and high productivity.
MG1030
The MG1030 is universal, moving gantry machine for ultra-heavy applications requiring tight tolerances. This machine features roller guides for speed, twin linear scales for positioning accuracy, and an ergonomic design for easy operability. The option of additional heads can give this model five-face machining capabilities.
JTEKT Advantage ROI Justification
FERROUS SPECS
| Table Size | 393.7" x 110.2" (10,000 mm x 2,800 mm) |
| X-axis Travel | 393.7" (10,000 mm) |
| Y-axis Travel (spindle head) | 118" (3,000 mm) |
| Z-Axis Travel | 39.4" (1,000 mm) |
| Optional Z-axis Travel | 47.3" (1,200 mm), 55.2" (1,400 mm) |
| Maximum Table Load | 1,680 lb/ft2 (2,500 kg/m2) |
| Spindle Speed | 6,000 RPM: 35 HP (26 kW) / 30 HP (22 kW) |
| Spindle Speed | 5:000 RPM: 40 HP (29.8 kW) / 35 HP (26 kW) |
| Spindle Torque | 6,000 RPM: 461 ft-lb (626.2 Nm) |
| Spindle Torque | 5,000 RPM: 1,115 ft-lb (1,512 Nm) |
| Spindle Nose | Gearbox (CAT50): 6,000 RPM |
| Spindle Taper | 394 ipm (10 m/min) |
| Rapid Feedrate (X,Y and Z) | 708 ipm (18 m/min) |
| Tool Storage Capacity | 472 ipm (12 m/min) |
| Rapid feedrate - X axis | 32 Standard (60 Optional) |
| Rapid feedrate - Y axis | 641" x 258" x 165" (16,275 mm x 6,560 mm x 4,200 mm) |
| Cutting feedrate | 279,987 lb (127,000 kg) |
NON-FERROUS SPECS
| Table Size | 393.7" x 110.2" (10,000 mm x 2,800 mm) |
| X-axis Travel | 393.7" (10,000 mm) |
| Y-axis Travel (spindle head) | 118" (3,000 mm) |
| Z-Axis Travel | 39.4" (1,000 mm) |
| Optional Z-axis Travel | 47.3" (1,200 mm), 55.2" (1,400 mm) |
| Maximum Table Load | 1,680 lb/ft2 (2,500 kg/m2) |
| Spindle Speed | 10,000 RPM: 40 HP (29.8 kW) / 35 HP (26 kW) |
| Spindle Speed | 12,000 RPM: 40 HP (29.8 kW) / 35 HP (26 kW) |
| Spindle Speed | 20,000 RPM: 50 HP (37 kW) / 35 HP (26 kW) |
| Spindle Torque | 10,000 RPM: 258 ft-lb (350 Nm) |
| Spindle Torque | 12,000 RPM: 305 ft-lb (414 Nm) |
| Spindle Torque | 20,000 RPM: 86 ft-lb (117 Nm) |
| Spindle Nose | Direct Drive (CAT50): 10,000 RPM |
| Spindle Nose | Integral Motor (CAT50): 12,000 RPM |
| Spindle Nose | Integral Motor (HSK63): 20,000 RPM |
| Spindle Taper | 394 ipm (10 m/min) |
| Rapid Feedrate (X,Y and Z) | 708 ipm (18 m/min) |
| Tool Storage Capacity | 472 ipm (12 m/min) |
| Rapid feedrate - X axis | 32 Standard (60 Optional) |
| Rapid feedrate - Y axis | 641" x 258" x 165" (16,275 mm x 6,560 mm x 4,200 mm) |
| Cutting feedrate | 279,987 lb (127,000 kg) |
HIGH TEMP ALLOY SPECS
| Table Size | 393.7" x 110.2" (10,000 mm x 2,800 mm) |
| X-axis Travel | 393.7" (10,000 mm) |
| Y-axis Travel (spindle head) | 118" (3,000 mm) |
| Z-Axis Travel | 39.4" (1,000 mm) |
| Optional Z-axis Travel | 47.3" (1,200 mm), 55.2" (1,400 mm) |
| Maximum Table Load | 1,680 lb/ft2 (2,500 kg/m2) |
| Spindle Speed | 6,000 RPM: 35 HP (26 kW) / 30 HP (22 kW) |
| Spindle Speed | 12,000 RPM: 40 HP (29.8 kW) / 35 HP (26 kW) |
| Spindle Torque | 6,000 RPM: 388 ft-lb (526 Nm) |
| Spindle Torque | 12,000 RPM: 305 ft-lb (414 Nm) |
| Spindle Nose | Gearbox (CAT50): 6,000 RPM |
| Spindle Nose | Integral Motor (CAT50): 12,000 RPM |
| Spindle Taper | 394 ipm (10 m/min) |
| Rapid Feedrate (X,Y and Z) | 708 ipm (18 m/min) |
| Tool Storage Capacity | 472 ipm (12 m/min) |
| Rapid feedrate - X axis | 32 Standard (60 Optional) |
| Rapid feedrate - Y axis | 641" x 258" x 165" (16,275 mm x 6,560 mm x 4,200 mm) |
| Cutting feedrate | 279,987 lb (127,000 kg) |
ACCURACY
| Linear Position Accuracy (X and Y axes) | ± 0.001" (0.025 mm) full travel |
| Linear Position Accuracy (Z axis) | ± 0.0006" (0.015 mm) full travel |
| Linear Repeatability | ± 0.0004" (0.010 mm) |
REEQUIREMENTS
| Coolant Tank Capacity | 132 gallon |
| Total power Required | AC 220V ±10% (80 kVA) |
Specifications are subject to change without notice.
CASE STUDIES
C.G. Bretting Manufacturing Increases Capability without Sacrificing Space
With the new Gantry Mills, C.G. Bretting was able to get parts out faster with a higher level of quality and accuracy.
Time Lapse Installation of the MG830 Gantry Mill at C.G. Bretting Manufacturing
MG830 Gantry Mill Time-lapse Installation at CG Bretting Manufacturing.
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