Nakamura-Tome Super NTMX CNC Multi-Axis CNC Turning/Milling Center
Specifications (subject to buyer verification):
CAPACITY
Bar Capacity ……………………………………………………………………………… 2.5 (L) and 2.0 (R)
Maximum Turning Diameter ………………………………………………………………………….. 8.07”
Standard Turning Diameter …………………………………………………………………………… 7.67”
Maximum Turning Length ……………………………………………………………………………. 30.70”
Distance Between Spindles …………………………………………………………………………. 38.58”
STROKE
X-axis ………………………………………………………………………… X1 = 22.44 in / X2 = 5.13 in
Z-axis ………………………………………………………………………… Z1 = 51.06 in / Z2 = 25.90 in
Y-axis ………………………………………………………………………………………………… Y = 7.87 in
B-axis …………………………………………………………………………………………….. B2 = 30.31 in
SPINDLE LEFT
Spindle Speed ………………………………………………………………………………………. 4,500 rpm
Spindle speed range ……………………………………………………………………………….. Stepless
Spindle Nose (L) ……………………………………………………………………………………………. A2-6
Hole through Spindle (L) …………………………………………………………………… 63mm (2.48”)
Hole through Draw Tube (L) ………………………………………………………………. 80mm (3.15”)
Spindle Center Height (L) ………………………………………………………………… 120mm (4.72”)
SPINDLE RIGHT
Speed Range ………………………………………………………………………………………… 5000 rpm
Number of Steps …………………………………………………………………………………….. Stepless
Spindle Nose (R) …………………………………………………………………………………………… A2-5
Hole through Spindle (R) ……………………………………………………………………. 63mm (2.48”)
Hole through Draw Tube (R) ………………………………………………………………. 52mm (2.05”)
Front Bearing I.D (R) …………………………………………………………………………. 90mm (3.54”)
C-AXIS UNIT
Index Mechanism …………………………………………………………………………………. Built Motor
Least Input Increment……………………………………………………………………….. 0.001 Degree
Least Command Increment ……………………………………………………………….. 0.001 Degree
Rapid Index Speed …………………………………………………………………………………… 600 rpm
Max Programmable Index Area …………………………………………………………… +/- 9999.999
Cutting Feed Rate ……………………………………………………………………….. 4800 degree/min
Clamp Mechanism ……………………………………………………………………………….. Disk Clamp
Braking Torque ……………………………………………………………………………………… 130.3 Nm.
TOOL SPINDLE
Number of Tool Spindle ……………………………………………………………………………………… 1
Tool Spindle Speed …………………………………………………………………………….. 12,000/min
Tool Spindle Speed range ……………………………………………………………………….. Stepless
Type of Tool Spindle Taper …………………………………………………………….. 1/10 short taper
I.D. of Tool Spindle Bearing ……………………………………………………………….. 80mm (3.15”)
AUTOMATIC TOOL CHANGE SYSTEM
Type of tool shank ……………………………………………………………………………….. Capto C4
Max Number of Tools ……………………………………………………………………………………….. 48
Max Tool Diameter ……………………………………………………………………………………….. 2.36
Max Tool Diameter (no tool on adjacent stations) …………………………………………….. 3.14”
Max Tool Length …………………………………………………………………………………………. 7.086”
Max Tool Weight …………………………………………………………………………………. 4kg / 8.82lb
Time of Tool Change ………………………………………………………………………………….. 1.3 sec
Tool Moment Load ………………………………………………………………………………….. 2.58 lb/ft
B-AXIS UNIT
Index Mechanism ……………………………………………………………………. Servo Motor + CAM
Least Input Increment……………………………………………………………………….. 0.001 Degree
Least Command Increment ……………………………………………………………….. 0.001 Degree
Rapid Index Speed ………………………………………………………………………………….. 37.5 rpm
Swivel Area ………………………………………………………………….. 190 degree (+/- 95 degree)
B-Axis Clamp Mechanism …………………………………………………………… 5 degree by curvic
……………………………………………………………………. 0.001 Degree by brake shoes
LOWER TURRET
Turret Head Type ……………………………………………………………. Dodecagonal Drum Turret
Index time
For 1 station ……………………………………………………………………………. 0.2 seconds
For 180 degrees ………………………………………………………………………. 0.7 seconds
Effective Slide Travel
X1 Axis……………………………………………………………………………………………. 17.91”
X2 Axis……………………………………………………………………………………………… 8.76”
Z1 Axis ……………………………………………………………………………………………. 42.91”
Z2 Axis ……………………………………………………………………………………………. 39.57”
Y1 Axis……………………………………………………………………………………………… 5.51”
B2 Axis……………………………………………………………………………………………. 42.52”
CUTTING FEED RATE
Rapid Traverse
X1 Axis……………………………………………………………………………………. 1,181” / min
X2 Axis………………………………………………………………………………………. 630” / min
Z1 Axis …………………………………………………………………………………….. 1575” / min
Z2 Axis …………………………………………………………………………………….. 1575” / min
Y1 Axis………………………………………………………………………………………. 630” / min
Cutting Feed
X / Z Axis ………………………………………………………………………………….. 4-20” / rev
B Axis ………………………………………………………………………………………… 4-20” / rev
Jog Feed
Feed Rate
X1 Axis………………………………………………………………………………………. 630” / min
X2 Axis………………………………………………………………………………………. 630” / min
Z1 Axis …………………………………………………………………………………….. 1575” / min
Z2 Axis …………………………………………………………………………………….. 1575” / min
Y1 Axis………………………………………………………………………………………. 630” / min
DRIVE MOTOR
Left spindle …………………………………………………………………………………………. 15 / 10 HP
Right spindle …………………………………………………………………………………………. 15 / 10HP
Tool spindle ………………………………………………………………………………………… 10 / 7.5HP
POWER REQUIREMENTS
Power Supply ………………………………………………………… AC 200/220 Volts+10% to -15%
Power Connected ……………………………………………………………………………………… 78 KVA
GENERAL
Machine Dimensions
Length ……………………………………186”
w/ Chip Conveyor …………………… 218”
Spindle Center Height from Floor …………. 51.18”
Floor Space ………………………………………. 151.22” x 112.48”
Weight ……………………………………………… 31,967 lbs.
Power Supply / Air Supply ………………….. 78 kVA/150~200NL/min,0.5~0.7MPa
Equipped With (subject to buyer verification):
Fanuc Series 31i-A5 CNC Control