• The RB312 is a heavy duty, double column, fixed rail bridge machine. This bridge features roller guides, a hydraulic counterbalance system on the headstock, and a two-speed, geared spindle.


    Table Size 118" x 43.3" (3,000 mm x 1,100 mm)
    X-axis Travel  120.5" (3,060 mm)
    Y-axis Travel  47.2" (1,200 mm)
    Z-axis Travel  31.5" (800 mm)
    Distance Between Columns 51.2" (1,300 mm)
    Maximum Table Load 9,900 lb (4,500 kg)
    Spindle Drive Motor  25 HP (18.5 kW) for 30 min. / 20 HP (15 kW) cont.
    Spindle Output Torque 388 ft-lb (526 Nm)
    Spindle Taper CAT50
    Spindle Speed  6,000 RPM
    Spindle Type Geared head
    Rapid Feedrate (X and Y axes) 945 ipm (24 m/min)
    Rapid Feedrate (Z axis) 590 ipm (15 m/min)
    Tool Storage Capacity 32 Standard (40 Optional)
    Standard Floor Space 312" x 185" x 163" (7,930 mm x 4,700 mm x 4,150 mm)
    Standard Net Weight 48,500 lb (22,000 kg)




Full of Features

Toyoda’s progressive filtration system for coolant through spindle prevents clogging and reduces thermal expansion, while high-quality THK roller guides provide stability without sacrificing speed. 

Heavy Cutting Capabilities

A Meehanite cast iron base and dual bridge columns provide excellent vibration dampening during large-part machining for rigid, precise cuts.

Keep It Under Cover

A full-enclosure option is available for all bridge machines. Contain coolant and filter out chips for more effective machining in a cleaner environment.

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Ergonomic Work Area

The control panel can be easily maneuvered to give operators better visibility of the workpiece and accessibility to the spindle.

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Powerful Controls

These Fanuc controls come with more unlocked options as standard, giving you greater machining flexibility.

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Solid Construction

The RB Series features a massive single-piece, high-grade cast iron base and dual bridge columns.

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Robust Guideways

Cylindrical roller guideways are proven to have better vibration dampening capabilities and are able to accelerate faster than their ball guideway counterparts.

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