Nakamura-Tome NTRX300 CNC Turning Milling Machine
Specifications (subject to buyer verification):
CAPACITY
MAX TURNING DIAMETER………… 25.2 (640) in (mm)
MAX TURNING LENGTH……………. 45.3 (1150) in (mm) **51″
DISTANCE BETWEEN SPINDLES….. 53.1″
Y-AXIS STROKE………………………… 9.84″
BAR CAPACITY L-SPINDLE………….. 3.2″
BAR CAPACITY R-SPINDLE…………. 3.2″
AXIS TRAVEL
SLIDE TRAVEL (Y)……………………… 9.9 (250) (±4.9 (125)) in (mm)
RAPID FEED (Y)………………………… 1417 (36) in/min (m/min)
SLIDE TRAVEL (B2-AXIS)……………. 43.3 (1100) in (mm)
RAPID FEED (B2 AXIS)………………. 1063 (27) in/min (m/min)
MAIN SPINDLE
SPINDLE SPEED………………………. 3500 rpm
SPINDLE NOSE……………………….. A2-8
HOLE THROUGH DRAW TUBE…… 3.2 (80) in (mm)
DRIVE MOTOR POWER……………. 30 HP (DIRECT DRIVE)
SUB SPINDLE
SPINDLE SPEED………………………. 3500 rpm
SPINDLE NOSE……………………….. A2-8
HOLE THROUGH DRAW TUBE….. 3.2 (80) in (mm)
RIGHT SPINDLE……………………… 30 HP (DIRECT DRIVE)
TOOL SPINDLE
SPINDLE SPEED……………………… 12,000 rpm
TOOL SPINDLE MOTOR…………… 25/15 HP
TOOL SHANK TYPE………………….
SWIVELING RANGE………………… 225°（-120°, +105°） degree
CLAMP FUNCTION…………………. Curvic coupling (5 degree) Brake (0.001 degree)
TOOL CHANGER
NUMBER OF POSITIONS…………. 40 ATC
ATC TIME (TOOL TO TOOL)……… 1.5 sec
Equipped with (subject to buyer verification):
NAKAMURA NT SMART X CONTROLLER
Chip Conveyor
Parts Catcher
LNS Quick Load Servo 80 Barfeed
ATC
CAPTO C6
(2) Kitagawa B-210 10” chucks
Per Owner: Purchased New in 2013 / Installed New in 2015
**-Added 6″ of Max Turn Length – “We changed out the Kitagawa chuck adapter plates to much thinner ones that increased the Z travel by almost 6 inches”