Nakamura-Tome NTY3-250
Key Specifications
Tool Capacity
Max Turn Length
max turning diameter
bar capacity left
bar capacity right
left spindle
Overview
The Nakamura-Tome NTY3-250 is the largest NTY3 three-turret member for mid-to-large bar work. 225 mm turning diameter, 905.5 mm turning length. Left: 65 mm std (71/80 opt), 18.5/11 kW at 5,000 RPM (26/22 kW opt). Right: 51 mm std (65/71/80 opt), 18.5/11 kW. 8-in left / 6-in right chucks. All three turrets with Y-axis, driven tools at 5.5/3.7 kW, 6,000 RPM. Up to 72 tools.
Distance 255-1,200 mm (longest in NTY3 family). Fanuc 31i-B5. New machines $500,000-$700,000.
Full Specifications
| Parameter | Value |
|---|---|
| Max Turning Diameter | 225mm |
| Max Turning Length | Upper Turret：310.5mm / Lower Turret：905.5mm |
| Bar Capacity Left | 65 mm std (71/80 opt) |
| Bar Capacity Right | 51 mm std (65/71/80 opt) |
| Left Spindle | 18.5/11 kW at 5,000 RPM (26/22 kW opt) |
| Right Spindle | 18.5/11 kW at 5,000 RPM |
| Turrets | 3 with Y-axis |
| Tool Capacity | Up to 72 |
| Milling | 5.5/3.7 kW at 6,000 RPM |
| Between Spindles | 1,200 mm max / 255 mm min |
| Chuck Size | 8 in (L) / 6 in (R) |
| CNC Control | Fanuc 31i-B5 |
| Floor Space | height:2,395mm / width:4,900mm / depth:2,580mm |
| Distance Between Spindles | max.1200mm/min.255mm |
| R Bar Capacity | 51mm |
| R Chuck Size | 6″ |
| R Spindle Speed | 5,000min-1 |
| R Spindle Drive Motor | 18.5/11kW |
Specifications sourced from nakamura-tome.com — verified 2026-03-28
Strengths & Limitations
Strengths
- Largest NTY3 with 80 mm bar and 1,200 mm between spindles
- Three turrets for 40-60% cycle reduction
- 26/22 kW optional spindle for roughing
- 905.5 mm lower turret turning
- 72 tool stations
- Thermal compensation
Limitations
- High investment
- Complex programming
- 6,000 RPM milling lower than ATC machines
- 4,900 mm width
Best For
Frequently Asked Questions
01
$500,000-$700,000 new.
02
Larger bar, more power, 8-in chuck, 1,200 mm between spindles.
03
Yes with 4,000 RPM.
04
High feature-to-diameter ratio parts like valve bodies.
Videos
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