RB212 | JTEKT Machinery North America

Bridge Mills and Gantry Mills

Power and endurance for heavy jobs demanding accuracy and high productivity.

RB212

The RB212 is a heavy duty, double column, fixed rail bridge machine. This bridge features roller guides, a Nitrogen counter balancer on the headstock, and a two-speed, geared spindle.

RFQ



JTEKT Advantage ROI Justification
Bridge Mill Machining Center
RB Bridge Mill Machining Center

FERROUS SPECS

Table Size 78.7"x 43.3" (2,000 mm x 1,100 mm)
X-axis Travel 83.5" (2,120 mm)
Y-axis Travel (spindle head) 47.2" (1,200 mm)
Z-Axis Travel 31.5" (800 mm)
Distance from Spindle Nose to Table Top 5.9" to 37.4" (150 mm to 950 mm)
Distance Between Columns 51.2" (1,300 mm)
Maximum Table Load 7,700 lb (3,500 kg)
Spindle Torque 6,000 RPM: 388 ft-lb (526 Nm)
Rapid Feedrate (X,Y and Z) 945 ipm (24 m/min)
Tool Storage Capacity 32, 40, 60

NON-FERROUS SPECS

Table Size 78.7"x 43.3" (2,000 mm x 1,100 mm)
X-axis Travel 83.5" (2,120 mm)
Y-axis Travel (spindle head) 47.2" (1,200 mm)
Z-Axis Travel 31.5" (800 mm)
Distance from Spindle Nose to Table Top 5.9" to 37.4" (150 mm to 950 mm)
Distance Between Columns 51.2" (1,300 mm)
Maximum Table Load 7,700 lb (3,500 kg)
Spindle Torque 6,000 RPM: 388 ft-lb (526 Nm)
Rapid Feedrate (X,Y and Z) 945 ipm (24 m/min)
Tool Storage Capacity 32, 40, 60

HIGH TEMP ALLOY SPECS

Table Size 78.7"x 43.3" (2,000 mm x 1,100 mm)
X-axis Travel 83.5" (2,120 mm)
Y-axis Travel (spindle head) 47.2" (1,200 mm)
Z-Axis Travel 31.5" (800 mm)
Distance from Spindle Nose to Table Top 5.9" to 37.4" (150 mm to 950 mm)
Distance Between Columns 51.2" (1,300 mm)
Maximum Table Load 7,700 lb (3,500 kg)
Spindle Torque 6,000 RPM: 388 ft-lb (526 Nm)
Rapid Feedrate (X,Y and Z) 945 ipm (24 m/min)
Tool Storage Capacity 32, 40, 60

ACCURACY

Linear Position Accuracy± 0.0006" (0.015 mm) full travel
Linear Repeatability ± 0.0001" (0.003 mm)

REEQUIREMENTS

Coolant Tank Capacity132 gallon
Air Source90 psi @ 3.78 CFM
Total power RequiredAC 220V ±10% (60 kVA)
Table Size 78.7"x 43.3" (2,000 mm x 1,100 mm)
X-axis Travel 83.5" (2,120 mm)
Y-axis Travel (spindle head) 47.2" (1,200 mm)
Z-Axis Travel 31.5" (800 mm)
Distance from Spindle Nose to Table Top 5.9" to 37.4" (150 mm to 950 mm)
Distance Between Columns 51.2" (1,300 mm)
Maximum Table Load 7,700 lb (3,500 kg)
Spindle Torque 6,000 RPM: 388 ft-lb (526 Nm)
Rapid Feedrate (X,Y and Z) 945 ipm (24 m/min)
Tool Storage Capacity 32, 40, 60
Table Size 78.7"x 43.3" (2,000 mm x 1,100 mm)
X-axis Travel 83.5" (2,120 mm)
Y-axis Travel (spindle head) 47.2" (1,200 mm)
Z-Axis Travel 31.5" (800 mm)
Distance from Spindle Nose to Table Top 5.9" to 37.4" (150 mm to 950 mm)
Distance Between Columns 51.2" (1,300 mm)
Maximum Table Load 7,700 lb (3,500 kg)
Spindle Torque 6,000 RPM: 388 ft-lb (526 Nm)
Rapid Feedrate (X,Y and Z) 945 ipm (24 m/min)
Tool Storage Capacity 32, 40, 60
Table Size 78.7"x 43.3" (2,000 mm x 1,100 mm)
X-axis Travel 83.5" (2,120 mm)
Y-axis Travel (spindle head) 47.2" (1,200 mm)
Z-Axis Travel 31.5" (800 mm)
Distance from Spindle Nose to Table Top 5.9" to 37.4" (150 mm to 950 mm)
Distance Between Columns 51.2" (1,300 mm)
Maximum Table Load 7,700 lb (3,500 kg)
Spindle Torque 6,000 RPM: 388 ft-lb (526 Nm)
Rapid Feedrate (X,Y and Z) 945 ipm (24 m/min)
Tool Storage Capacity 32, 40, 60
Linear Position Accuracy± 0.0006" (0.015 mm) full travel
Linear Repeatability ± 0.0001" (0.003 mm)
Coolant Tank Capacity132 gallon
Air Source90 psi @ 3.78 CFM
Total power RequiredAC 220V ±10% (60 kVA)

Specifications are subject to change without notice.

Case Study: Cascade Pattern - SB316 & RB212 Bridge Mills, and Stealth 965, 1165, & 1365 Vertical Machining Centers

Cascade Pattern doubled capacity with SB316, RB212 (Bridge Mills), Stealth 965, Stealth 1165, and Stealth AA1365 (Vertical Machining Centers).

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

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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

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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

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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

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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

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MG Series Gantry Mill

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

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MG Series Gantry Mill

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

View Models