The LB321 is a double column, fixed rail bridge machine designed for heavy cutting applications. It features a robust geared-head spindle, a hydraulic counterbalance system on the headstock, and a Meehanite cast iron base. These features allow the machine to excel in the heaviest of cuts.
The LB321YM model has extended Y-axis travel with five-face machining capabilities to allow for the machining of complex workpieces. This machine features automatic tool changes in the vertical and horizontal orientations and offers automatic clamping of the headstock. Headstock options include 30 degree, 90 degree, extension, and manual universal.
Table Size 118" x 78.7" (3,000 mm x 2,000 mm)
X-Axis Travel 120.5" (3,060 mm)
Y-Axis Travel 84.6" (2,150 mm)
Y-axis Travel for -YM Configuration 110.2" (2,800 mm)
Z-Axis Travel 31.5" (800 mm)
Optional Z-axis Travel 39.4" (1,000 mm), 47.2" (1,200 mm), 55.1" (1,400 mm)
Distance from Spindle Nose to Table Top 7.9" to 39.4" (200 mm to 1,000 mm)
Distance Between Columns 90.5" (2,300 mm)
Maximum Table Load 26,450 lb (12,000 kg)
Spindle Drive Motor (30 min. / cont.) 6,000 RPM: 35 HP (26 kW) / 30 HP (22 kW)
Spindle Drive Motor (30 min. / cont.) 5:000 RPM: 40 HP (30 kW) / 35 HP (26 kW)
Spindle Output Torque 5:000 RPM: 40 HP (30 kW) / 35 HP (26 kW)
Spindle Output Torque 5,000 RPM: 1,115 ft-lb (1,512 Nm)
Spindle Speed Gearbox (CAT50): 6,000 RPM
Spindle Speed Gearbox (CAT50): 5,000 RPM
Rapid Feedrate (X axis) 945 ipm (24 m/min)
Rapid Feedrate (Y axis) 787 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, 90, 120 Optional)
Standard Floor Space 339" x 209" x 171" (8,610 mm x 5,300 mm x 4,350 mm)
Standard Net Weight 64,900 lb (29,500 kg)
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