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Milling Center Model


Makino a71
High Productivity Horizontal Machining Center

PRODUCT
 
The a71 is rapidly becoming one of the most popular platforms for high-volume machining of parts made of cast iron and light alloys. Makino's spindle integration with the drive motor's rotor reduces vibration during high-speed operation and increases acceleration/deceleration. Rapid spindle acceleration to top speed in just 2.4 seconds helps reduce non-cut time substantially. Center trough quickly removes large chip volumes for enhanced reliability in continuous machining.

 

 
SPECS

a71

High Productivity 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
CNC Brand: SGI.3
TABLE/WORK SUPPORT
Table Size L x W (in.) 19.700 x 19.700
Max. Workpiece Weight (lbs) 1,540    Opt. 1,100
Pallet Changer Standard No. of Pallet 2
Index Table Standard Index degress 1.00
Rotary Table Optional Dual Axis Table: Optional
SPINDLE(S)
Num. Main Spindles 1
Orientation Horizontal
Taper #50    Opt. HSK100A
Top RPM 10,000
Horse Power (30 min rating) 47.00
# Speed Ranges 2
Type Fixed
TOOLING
Primary Tool Carrier(s) ATC
Number of Tools 40    Opt. 187
Tool Change Time C-to-C (sec) 3.20   1.70 sec tool-to-tool
Max. Tool Length (in.) 17.720
Max. Tool Diameter (in.) 11.810 (with empty adacent pockets)
Max. Tool Weight 44.00
AXES AND TRAVELS
Number of Axes: 3   Options: (4 )   U Axis: None
Travel Max Feed Rapid Rate
X1 Std. 28.700 in. 1,969 ipm 1,969 ipm
Y1 Std. 28.700 in. 1,969 ipm 1,969 ipm
Z1 Std. 31.500 in. 1,969 ipm 1,969 ipm
B1 Std. 360.000 deg
WEIGHTS AND MEASURES
Machine Dimensions (l x w x h)(in.) 121 x 187 x 118
Machine Weight (lbs) 27,500
Spindle Nose To Table Edge 33.460
Spindle To Table Center 1.960
CHANNEL PARTNERS
amt Modern Machine Shop Production Machining Moldmaking Technology
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