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Milling Center Model

Makino a61nx Pro 6
High Production Horizontal Machining Center


The a61nx is a 500mm, 40-taper production horizontal machining center. The a51nx and a61nx share key 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 a61nx work envelope can be effectively utilized.

The 14,000-rpm high-speed, high-power spindle features 303 Nm of torque.  The machines stiffness and rigidity supports thorough utilization of the spindle power and torque to tackle ferrous applications that traditionally would be run on 50 taper machines.  Multiple technologies on the a61nx reduce non-cut time, providing benefits in automotive and high volume part production.  Inertia Active Control monitors motor load and estimates total fixture weight.  With this information IAC optimizes the 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.

The a61nx production machining center is available in a tall column (730mm) version for part applications that require larger strokes. Unique way-cover design, dual-supported tool-change arm and Makino spindle technology provide the foundation for industry-leading reliability.

a61nx Pro 6

High Production Horizontal Machining Center
Machine Type: Machining Center
Num. of Axes: 3   Opt. 4
Work Support: Bed
Column Construction: Single Column Style: Travelling
Operation Type: CNC
Table Size L x W (in.) 19.700 x 19.700
Max. Workpiece Weight (lbs) 1,100    Opt. 1,540
Pallet Changer Standard No. of Pallet 2
Index Table Standard Index degress 1.00
Rotary Table Optional
Num. Main Spindles 1
Orientation Horizontal
Taper #40
Top RPM 14,000 Opt: 20,000
# Speed Ranges 2
Type Fixed
Primary Tool Carrier(s) ATC
Number of Tools 60    Opt. 313
Tool Change Time C-to-C (sec) 2.50   0.90 sec tool-to-tool
Max. Tool Length (in.) 20.100
Max. Tool Diameter (in.) 8.100 (with empty adacent pockets)
Max. Tool Weight 26.40
Number of Axes: 3   Options: (4 )   U Axis: None
Travel Max Feed Rapid Rate
X1 Std. 28.700 in. 1,968 ipm 2,362 ipm
Y1 Std. 25.600 in. Opt. (28.70 in.) 1,968 ipm 2,362 ipm
Z1 Std. 31.500 in. 1,968 ipm 2,362 ipm
amt Modern Machine Shop Production Machining Moldmaking Technology