Nakamura-Tome SC-200II

$150,000 - $220,000 Updated 2026-03-19

Key Specifications

X Travel

185 mm (7.28 in)

Y Travel

+/- 40 mm (+/- 1.57 in)

Z Travel

350 mm (13.78 in)

Max Spindle

5,000 RPM

Spindle Power

15/11 kW (Op. 18.5/15 kW)

Max Turn Length

350 mm (13.78 in)

Overview

The Nakamura-Tome SC-200II is a high-rigidity single-turret multitasking CNC lathe that represents a significant evolution of the original SC-200 platform. Classified as an 8-inch class machine but equipped with a 10-inch chuck and a maximum turning diameter of 390 mm (15.35 in), the SC-200II punches well above its size class. Nakamura-Tome redesigned the frame structure for increased rigidity and thermal stability, making the SC-200II suitable for demanding production environments where accuracy over extended run times is non-negotiable.

The main spindle delivers 15/11 kW (20/15 hp) with an optional upgrade to 18.5/15 kW (25/20 hp), providing substantially more cutting power than its predecessor. The spindle achieves speeds up to 5,000 RPM through precision angular contact bearings with sub-0.002 mm TIR at the chuck face. The SC-200II features a 12-station BMT turret with live tooling capability for cross-drilling, milling flats, and off-center features. Y-axis travel of +/-40 mm enables genuine milling operations that eliminate secondary setups on complex turned parts.

Nakamura-Tome's thermal symmetry design philosophy is central to the SC-200II's performance. The cast iron bed is engineered with symmetric mass distribution so that thermal growth during extended machining is predictable and uniform rather than causing geometric distortion. Combined with hand-scraped critical surfaces and precision assembly, the SC-200II maintains tight tolerances through 8-16 hour production shifts without operator compensation. The swing over cover diameter of 700 mm (27.56 in) provides generous clearance for fixtures and larger diameter chucked work.

The SC-200II runs on FANUC 0i-TF Plus control as standard with FANUC 31i-B5 available as an upgrade. Methods Machine Tools handles North American distribution, providing applications engineering, service, and parts support. The SC-200II competes with the Okuma Genos L3000-e, DMG Mori CLX 350, and Haas ST-20Y in the precision mid-size turning center segment. New machines price between $150,000 and $220,000 depending on live tooling, Y-axis, C-axis, and bar feeder configuration.

Full Specifications

Parameter	Value
Chuck Size	10"
Max Turning Diameter	390 mm
Swing Over Cover	700 mm (27.56 in)
Max Turning Length	350 mm (13.78 in)
Bar Capacity	65 mm (2.56 in)
Max Spindle Speed	5,000 RPM
Spindle Motor Power	15/11 kW (Op. 18.5/15 kW)
Spindle Nose	A2-6
Turret Stations	12
Live Tool Power	5.5 kW (7.4 hp)
X-Axis Travel	185 mm (7.28 in)
Z-Axis Travel	350 mm (13.78 in)
Y-Axis Travel	+/- 40 mm (+/- 1.57 in)
CNC Control	FANUC 0i-TF Plus / 31i-B5
Machine Weight	4,500 kg (9,921 lb)
Positioning Accuracy	0.004 mm (0.00016 in)
Repeatability	0.002 mm (0.00008 in)

Specifications sourced from nakamura-tome.com — verified 2026-03-28

Strengths & Limitations

Strengths

10-inch chuck with 390 mm turning diameter exceeds the 8-inch class envelope, providing more workpiece flexibility than competing machines in the same footprint
Redesigned high-rigidity frame structure delivers improved cutting performance and vibration damping over the original SC-200 platform
Thermal symmetry design ensures uniform thermal expansion throughout the machine structure, maintaining tight tolerances across full production shifts
BMT live tooling with Y-axis capability eliminates secondary milling operations on complex turned parts, reducing cycle time and improving accuracy
Sub-0.002 mm spindle TIR and hand-scraped critical surfaces produce precision turning that maintains accuracy over 15-20+ years of production use
FANUC control platform provides industry-standard programming compatibility with broad post-processor support and extensive operator training resources

Limitations

Single-turret configuration limits simultaneous cutting operations compared to twin-turret alternatives like the Nakamura-Tome WT series
5,000 RPM maximum spindle speed is adequate for most work but falls short of 6,000+ RPM competitors for high-speed aluminum or small-diameter finishing
Nakamura-Tome's North American dealer network through Methods Machine Tools is smaller than Mazak or Haas direct service networks
Price point of $150K-$220K is higher than comparable Haas or DN Solutions machines, requiring the precision advantage to justify the investment

Best For

Medical device manufacturers producing precision implant components and surgical instruments where sub-5-micron repeatability is essential Automotive production shops running high-volume precision shafts, valve bodies, and sensor housings across multi-shift operations Hydraulic component manufacturers producing valve spools, pistons, and cylinder components where concentricity affects sealing performance Precision job shops specializing in small-to-medium turned parts across aerospace, defense, and industrial markets Shops upgrading from the original SC-200 seeking improved rigidity and expanded workpiece capacity in a similar footprint

Frequently Asked Questions

01 What does a new Nakamura-Tome SC-200II cost?

New SC-200II machines price between $150,000 and $220,000 depending on configuration. Base 2-axis machines start around $150,000, while fully equipped models with Y-axis, live tooling, C-axis, parts catcher, and bar feeder integration reach $220,000. Used SC-200II machines from 2023-2025 hold strong resale values between $90,000 and $150,000.

02 How does the SC-200II differ from the original SC-200?

The SC-200II features a completely redesigned high-rigidity frame structure, larger 10-inch chuck (vs 6-inch), increased turning diameter of 390 mm (vs 200 mm), and higher spindle power options up to 18.5 kW. The II designation represents a significant platform upgrade, not just a minor revision.

03 What is the difference between the SC-200II and SC-200IIL?

The SC-200IIL is the long-bed variant with extended Z-axis travel for machining longer workpieces. It also offers a selectable sub-spindle option on the right-side spindle for complete part machining. Choose the standard SC-200II for typical short-to-medium parts and the IIL for shaft-type work requiring additional turning length.

04 Who distributes Nakamura-Tome in North America?

Methods Machine Tools is the primary distributor for Nakamura-Tome in the United States, providing sales, applications engineering, service, and parts from multiple locations across major manufacturing regions. Methods maintains parts inventory for common Nakamura-Tome models and has factory-trained service technicians.