4-Axis Horizontal Boring Mill

The Hurco Horizontal Boring Mill offers a large work envelope and is heavier than boring mills in its class. The HBMX120i has a geared head spindle with two speeds and hardened box ways. We’ve packaged our boring mill to include the features you need for typical applications instead of requiring you to add them as options.

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HBMX120i - 4-Axis Horizontal Boring Mill - Hurco

HBMX120i Machine Specifications

Travels & Capacity

X, Y, Z, W Axis Travel
118.1 x 70.1 x 66.9 x 19.7 in (3,000 x 1,780 x 1,699 x 500 mm)
Table Working Surface56.7 x 63 (1,440 x 1,600 mm)
Max. Weight on Table13,889 lbs. (6,299 kg)
Table T-Slots9 x .9 in on 6.3 in centers (228 x 22 mm on 160 mm centers)
Spindle Nose to Table Center5.1 to 89.8 in (130 to 2,280 mm)
Floor to Table Surface  42.1 in (1,070 mm)


Spindle Speed
8-454 (low), 8-2,500 (high) rpm (8-454 rpm (low), 8-2,500 rpm (high))
Spindle Motor Power (10 min.)40.2 HP (29.9 kW)
Spindle Motor Torque (1 min.)1,106 ft lbs. (low) ,303.9 (high) ft lbs (1,500 (low), 412 Nm (high))

Feedrates / Motion

Rapid Traverse Rate  X/Y/Z Axes (ipm)
393.7 in/min (10 m/min)
Rapid Traverse Rate W-Axis157.5 in/min (4.0 m/min)
Max Programmable Feedrate393.7 in/min (10 m/min)
Least Command Increment.0001 in (0.002mm)
Positioning Accuracy (10 pass VDI 3441 Method).001 in (0.025mm)
Repeatability (10 pass VDI 3441 Method).0006 in (0.015mm)
Positioning Accuracy B+/- 9 arc seconds (+/- 18 arc seconds)
Repeatability B+/- 6 arc seconds (+/- 12 arc seconds)

Tool Changer

Spindle Taper
CAT 50
Number Of Tools60 (90 opt)
Tool Changer TypeElectronic
Maximum Tool Weight55.1 lbs. (25 kg)
Maximum Tool Diameter4.7 in (120 mm)
Maximum Tool Length15.7 in (400 mm)


Coolant Capacity
132.1 gallons (500 liters)
Optimum machine performance is reliant upon installation conditions at the facility, such as power supply, air supply, and ambient air conditions. Information may change without notice.

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