Tsugami M10J
Key Specifications
Spindle Power
type
chuck size
max machining diameter chuck
max machining diameter bar
max turning diameter of tool
Overview
The Tsugami M10J is a precision CNC turret lathe with a 10-inch chuck capacity, designed for high-accuracy production turning of parts up to 400 mm diameter and 500 mm length. It's the standard-bed model in Tsugami's M10 platform, sitting between the compact M06/M08 series and the larger industrial turning centers that Tsugami doesn't directly compete in.
The 15/18.5 kW spindle motor pushes through a 130 mm bore spindle with bearings sized for rigidity, not just speed. At 4,000 RPM max (rated 3,500 RPM), the M10J prioritizes torque and stability over raw speed, which is exactly what you want when you're facing a 400 mm disc or roughing a 60 mm bar to size. The 12-station servo turret provides fast, accurate indexing with excellent repeatability.
Box slideways on the X-axis are a deliberate engineering choice for vibration damping. While linear guides are faster, box ways absorb cutting vibration better, which translates into better surface finish on interrupted cuts and heavier roughing passes. Rapid traverse at 30 m/min on X and 33 m/min on Z keeps non-cutting time competitive despite the box way construction.
The M10J includes thermal displacement compensation as standard, monitoring machine temperature and automatically adjusting axis positions to maintain accuracy as the machine warms up. Combined with the spindle air purge that keeps coolant mist out of the bearings, you get a machine designed for reliable, accurate production over long shifts. At 4,800-5,000 kg and a 2,995 x 1,675 mm footprint, it's a solidly built platform that reflects Tsugami's focus on precision in a production-ready package.
Full Specifications
| Parameter | Value |
|---|---|
| Type | CNC turret lathe |
| Chuck Size | 10 inch |
| Max Machining Diameter Chuck | 400 mm (15.75 in) |
| Max Machining Diameter Bar | 80 mm (3.15 in) |
| Max Turning Diameter Of Tool | 660 mm (25.98 in) |
| Max Machining Length | 500 mm (19.69 in) |
| Spindle Bearing Id | 130 mm |
| Spindle Bore | 90 mm (3.54 in) |
| Main Spindle Speed | 4,000 RPM (rated 3,500 RPM) |
| Main Spindle Motor | 15/18.5 kW (20/25 HP) |
| Turret | 12-station servo turret |
| X Axis Travel | 260 mm (10.24 in) |
| Z Axis Travel | 560 mm (22.05 in) |
| Rapid Traverse X | 30 m/min (1,181 IPM) |
| Rapid Traverse Z | 33 m/min (1,299 IPM) |
| X Axis Guideways | Box slideways |
| Machine Weight | 4,800-5,000 kg (10,582-11,023 lb) |
| Floor Space Required | 2,995 x 1,675 x 1,780 mm |
| Features | Thermal displacement compensation, spindle air purge, servo tailstock |
| Spindle Motor Power | 18.5kW |
Specifications sourced from tsugami.co.jp — verified 2026-03-28
Strengths & Limitations
Strengths
- 10-inch chuck with 400 mm swing handles a wide range of chuck and bar work applications
- 15/18.5 kW spindle motor delivers strong torque for aggressive roughing in steel, cast iron, and stainless
- Box slideways on X-axis provide superior vibration damping for better finish on interrupted and heavy cuts
- Thermal displacement compensation maintains dimensional accuracy without manual intervention during long runs
- 12-station servo turret with fast indexing supports efficient multi-tool production cycles
- 90 mm spindle bore accommodates bar stock up to 80 mm for bar-fed production
- 660 mm maximum turning diameter over tool gives clearance for larger fixturing setups
Limitations
- 4,000 RPM max spindle speed is moderate; smaller-diameter work may not achieve optimal surface speeds
- No live tooling or Y-axis capability; milling features require secondary operations
- 500 mm machining length limits long-shaft work; consider the M10JL10 for parts over 500 mm
- 4,800-5,000 kg weight requires adequate floor reinforcement and limits flexibility for shop floor rearrangement
Best For
Frequently Asked Questions
01
New Tsugami M10J machines typically price between $100,000 and $180,000 depending on configuration, tooling, and accessories. The M10J is competitively priced against comparable turning centers from Okuma, Mazak, and Doosan in this size class. Used M10J units appear in the $50,000-$100,000 range depending on age and hours.
02
Box slideways provide better vibration damping than linear guides, which translates to superior surface finish on interrupted cuts and heavy roughing. The trade-off is slightly lower rapid traverse speeds, but Tsugami's 30/33 m/min rapids are competitive for box way machines. For production turning where cut quality matters more than positioning speed, box ways are the better engineering choice.
03
The standard M10J is a turning-only machine without live tooling or Y-axis. If you need milling capability, look at the M10D (turn-mill variant of the same platform) which adds live tooling to the 12-station turret. The M10D uses the same base casting and spindle but adds the driven tool infrastructure.
04
The M10J is a larger machine: 10-inch chuck vs. 8-inch, 400 mm max diameter vs. 280 mm, and significantly more spindle power (15/18.5 kW vs. 9/11 kW). The M08J-II is more compact and costs less. Choose the M10J if your parts regularly exceed 280 mm diameter or 65 mm bar stock, or if you need the higher spindle power for heavier cuts.
