a71nx Horizontal Machining 4 Axis


a71nx Production Machining Center

The a71nx is a 500mm, 50-taper production horizontal machining center. The a71nx shares the key nx family machine technologies that take part productivity, accuracy and machine reliability to the next level.  Robust casting design and large roller-type linear guides ensure that the entire a71nx work envelope can be effectively utilized.

The 10,000-rpm high-speed, high-power spindle features 37kW (49.6HP) of duty rated power and 512 Nm (378 ft-lbs) of duty rated torque.  The machines stiffness and rigidity supports thorough utilization of the spindle power and torque to tackle a wide variety of ferrous, non-ferrous and hard metal applications.  Multiple technologies on the a71nx reduce non-cut time, providing benefits in automotive and high volume part production.  Most notably is the standard direct drive NC rotary table.  The responsiveness of this table eliminates non cut time by reducing 90° indexing time to just 1 second.   The DD NC rotary table also supports Makino’s innovative Inertia Active Control (IAC) system.  IAC monitors B-axis motor load and estimates total fixture weight.  With this information IAC optimizes the motion acceleration and deceleration of the heavily utilized B and Z-axis.  The spindle takes full advantage of the duty rated torque to optimize start / stop responsiveness, leading to 20% reduction in tapping time compared to the previous model. 

A standard Vision type Broken Tool Sensor resides in the ATC magazine where it automatically confirms the condition of drills, taps and other single point tools.  Unique single piece way-cover design, dual-supported tool-change arm and Makino spindle technology provide the foundation for industry-leading reliability.

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Product Family

Pallet19.7" x 19.7"500 x 500 mm
X31.5"800mm
Y29.5"750mm
Z32.7"830mm
Spindle RPM10,000 rpm10,000 rpm
Rapid Traverse(X / Y) 1,968 IPM, (Z) 2,362 IPM(X / Y) 50,000 mm/min, (Z) 60,000 mm/min
Cutting Feedrate1,968 ipm50,000 mm/min
Maximum Workpiece
Maximum Payload2.200 lbs1,000 kg
ATC Capacity60 (136, 187 & 299)60 (136, 187 & 299)
Tool to Tool1.7 sec (≤ 20kg)1.7 sec (≤ 20kg)
Chip to Chip3.6 sec (≤ 20kg)3.6 sec (≤ 20kg)
Maximum Tool Length18.9" (Cat) / 22.4" (HSK)480mm (Cat) / 570mm (HSK)
Maximum Tool Diameter11.8"300mm
Maximum Tool Weight44.1 lbs (66 lbs with limitations)20 kg (30 kg with limitations)

Call Makino at 1-800-552-3288.
Complete the Makino Quote Request on www.Makino.com.

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