4-Axis Horizontal Boring Mill

The Hurco Horizontal Boring Mill provides a small footprint, large work envelope, and is heavier and more rigid than competitive boring mills in its class. The HBMX55i is equipped with a 2-speed geared spindle head and hardened box ways. The HBMX55i delivers a superior package that includes features you need for typical applications instead of requiring you to add them as options.

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HBMX55i - 4-Axis Horizontal Boring Mill - Hurco

HBMX55i Machine Specifications

Travels & Capacity

X, Y, Z, W Axis Travel
55.1 x 54.7 x 43.3 x 19.7 in (1,400 x 1,389 x 1,099 x 500 mm)
Spindle Nose to Table Center (Min-Max)28.3 / 71.7 in (720 / 1,820 mm)
Table Size44.1 x 49.2 in (1,120 x 1,250 mm)
Max. Weight on Table8,819 lbs (4,000 kg)
T-Slot Size7 x 0.9 in (177 x 22 m)
B-Axis TravelContinuous


Max Spindle Speed
8-2,500 (high), 8-454 (low) rpm
Peak Spindle Motor Power40.2 hp @695.5 rpm (29.9 kW @695.5 rpm)
Max Spindle Motor Torque303.9 (high), 1,106.3 (low) ft lbs (412 (high), 1,500 (low) Nm)

Tool Changer

Tool Type
CAT, DIN 50 (BT)
Number of Tools60
Tool capacity 60
Spindle Quill Diameter4.3 in (110 mm)
Max Tool Diameter4.7 in (120 mm)
Max Tool Length15.7 in (400 mm)
Max Tool Weight55.1 lbs (25 kg)


Rapid Traverse X,Y,Z,W Axis
X,Y,Z: 393.7 in/min W: 157.5 in/min (X,Y,Z: 10 m/min W: 4 m/min)
Max Programmable Feedrate X,Y,Z,W Axis393.7 in/min (10 m/min)
B-Axis Max. RPM1 rpm


Max. Operating Floor Space
220.4 x 207.3 in (5,598.2 x 5,265.5 mm)
Machine Height132.7 in (3,379.6 mm)
Machine Weight42,328 lb (19,199 kg)


Power Rating/ Full Load KVA
78 KVA
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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