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Nakamura-Tome

SC-250

The SC-250 is a compact, high output turning center that comes with a long list of standard features. The SC-250 is hand built on solid box ways to ensure rigidity and accuracy. A great choice for manufacturers looking for a versatile machine capable of shaft work and flange work.

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Product Details

Product Details

  • Massive 45 degree Slant Bed for Maximum Rigidity
  • 20/15 HP, Wide-Range Motor for Powerful Cuts
  • Box type Slides and Rigid Turret for High Accuracy
  • Bar Capacity 2.5 in Standard
  • All FANUC, CNC Control and Servo Drives
  • Dodecagonal 12 Station Turret
Capacity
! in (mm)
Max Turning Diameter
11.9 (300) in (mm)
Distance Between Spindles
max 30.7 (780) /min 11 (280) with sub spindle (op.) in (mm)
Max Turning Length
19.7 (500) in (mm)
Bar Capacity
2.1 (51) 2.6 (65) in (mm)
Chuck size
8 (215) in (mm)

Axis Travel

Slide travel (X)
7 (177.5) in (mm)
Slide travel (Z)
21.7 (550) in (mm)
Slide travel (Y)
±1.6 (41)(op.) in (mm)
Slide Travel (B)
19.7 (500)(op.) in (mm)
Rapid feed (X)
630 (16) in/min (m/min)
Rapid feed (Z)
1181 (30) in/min (m/min)
Rapid feed (B)
1181 (30)(op.) in/min (m/min)
Rapid feed (Y)
236 (6)(op.) in/min (m/min)

Spindle

Spindle Speed
4500 rpm
Spindle Speed Range
Stepless
Spindle Nose
A2-6
Hole Through Draw Tube
2.5 ( 65mm) in (mm)

Sub Spindle (op.)

Spindle Speed
5000 rpm
Spindle Speed Range
Stepless
Spindle Nose
A2-5
Hole Through Draw Tube
2 (52) in (mm)

C-Axis

Least Input Increment
1E-3 degree

Turret

Number of Tool Stations
12
Number of Indexing Positions
12

Milling Tools

Spindle Speed
3600 rpm
Number of Milling-Tool Stations
12

Rotating Tool

Rotary System
Individual Rotation
Spindle Speed
3600 rpm
Spindle Speed Range
Stepless
Number of Rotation Tool Station
12

Drive motor power

Main Spindle
20 HP
Sub Spindle (op.)
15 ( op) HP
Driven Tool Spindle
7.5 HP

Tailstock (op.)

Quill Diameter
3.2 (80) in (mm)
Quill Taper
MT-4 Rotating Center
Quill Stroke
3.2 (80) in (mm)

General

Machine Weight
8378 (3800) lbs (kg)

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