Machine Comparison
Nakamura-Tome SC-200 vs Okuma 2SP-150H
Nakamura-Tome vs Okuma · CNC Lathes
Summary
The Nakamura-Tome SC-200 is a turning center for chucked and bar-fed parts, and the Okuma 2SP-150H is a loader-fed lathe that splits a part's two operations across two spindles. The makers publish few comparable figures for this pair, so the table covers only turning length, chuck size and spindle nose.
The Nakamura-Tome SC-200 takes much longer work, with a maximum turning length of 317.8mm against 80 mm (3.15 in) on the Okuma, or 150 mm (5.91 in) when the Okuma runs without its loader. It also carries the larger chuck, 8″ against 6 in (150 mm). The spindle noses differ as well: A2-5 on the Nakamura-Tome and a 140 flat nose on the Okuma.
Specifications Comparison
| Specification | Nakamura-Tome SC-200 | Okuma 2SP-150H |
|---|---|---|
| Max Turning Length | 317.8mm ▲ | 80 mm (3.15 in), 150 mm (5.91 in) without loader |
| Chuck Size | 8″ | 6 in (150 mm) |
| Spindle Taper / Nose | A2-5 | 140 flat |
Advantages
Nakamura-Tome SC-200
- Longer turning length: 317.8mm against 80 mm (3.15 in), or 150 mm (5.91 in) without the loader
- Larger chuck: 8″ against 6 in (150 mm)
- Suits both chucked and bar-fed parts with drilled and tapped features
Okuma 2SP-150H
- Suits two-operation turning of short chucked parts fed by the loader
- 6 in (150 mm) chuck matched to small-diameter work
Verdict
Choose the Nakamura-Tome SC-200 for general chucked and bar-fed turning where parts run longer than the Okuma allows: 317.8mm of turning length and an 8″ chuck cover a wider range of work. Choose the Okuma 2SP-150H for volume production of short, small-diameter chucked parts that stay within 80 mm (3.15 in) with the loader and need both operations finished in one machine. Part length is the deciding figure here.