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Milling Center Model


Makino a120nx
Single Column Horizontal Machining Center

PRODUCT

The a120nx continues Makino’s long-standing tradition of bringing high efficiency, high accuracy, and industry leading reliability to large parts production.  The a120nx provides an expansive workzone that accommodates workpieces up to Ø82.7” (2,100mm) x 70.9” (1,800mm) tall, and weighing up to 11,000 pounds (optional specification).  A full contour machining capable NC rotary table type B-axis is standard, with a high force pallet clamping system delivering over 46,500 lbs. of hold on the fixtured workpiece to allow for aggressive metal removal.  The standard tool magazine on the a120nx accommodates 204 tools with a length capacity up to 35.4 inches, a diameter capacity up to 14.0 inches, and a maximum weight of 77 lbs.  An ergonomically designed tool loading station is standard with this magazine, allowing ease of operator maintenance of the large cutting tools that are capable of being used in the a120nx.  The maximum cutting feed rates and rapid rates for all linear axes are 2,126 inches per minute (54 meters per minute), allowing for highly efficient machining with the a120nx’s standard 8,000 RPM High-Torque spindle.  This standard spindle has a peak power output of 74 HP, or 50 HP continuous.  That power level is coupled with a standard torque output of 886 ft-lbs peak, 408 ft-lbs continuous.  For customers machining large billet aluminum hog-out type parts, the a120nx has an optional 20,000 RPM High-Speed / High-Power spindle that is especially suited for demanding aerospace and semi-conductor chamber machining applications.  This spindle offering features an output capability of 94 peak HP, 74 HP continuous, coupled with 0 - 20,000 RPM acceleration capability of only 7.4 seconds.  This agile heavyweight comes standard with Makino’s Fanuc based Professional-6 CNC control, featuring standard features such as a user-friendly touch screen interface, advanced tool data management, and our patented Makino Geometric Intelligence high speed machining control system.

 
SPECS

a120nx

Single Column Horizontal Machining Center
Machine Type: Milling Machine
Num. of Axes: 4
Work Support: Bed
Column Construction: Single
Operation Type: CNC
CNC Brand: Fanuc / Makino Professional 6
TABLE/WORK SUPPORT
Pallet Changer Standard No. of Pallet 2
Rotary Table Standard
SPINDLE(S)
Num. Main Spindles 1
Orientation Horizontal
Taper CAT50    Opt. BT50, HSK-A100
Top RPM 8,000 Opt: 20,000
Horse Power (30 min rating) 60.30   Opt: 80.50
# Speed Ranges 2
Type Fixed
TOOLING
Primary Tool Carrier(s) ATC
Number of Tools 204
Tool Change Time C-to-C (sec) 2.20 sec tool-to-tool
Max. Tool Length (in.) 35.400
Max. Tool Diameter (in.) 14.000 (with empty adacent pockets)
Max. Tool Weight 77.00
AXES AND TRAVELS
Number of Axes: 4   U Axis: None
Travel Max Feed Rapid Rate
X1 Std. 74.800 in. 2,126 ipm 2,126 ipm
Y1 Std. 63.000 in. 2,126 ipm 2,126 ipm
Z1 Std. 66.900 in. 2,126 ipm 2,126 ipm
B1 Std. 360.000 deg
WEIGHTS AND MEASURES
Machine Dimensions (l x w x h)(in.) 392 x 238 x 166
Machine Weight (lbs) 92,950
Spindle Nose To Table Edge 92.500
Spindle To Table Center 5.900
CHANNEL PARTNERS
amt Modern Machine Shop Production Machining Moldmaking Technology