Victor Taichung Nexus 250A
Key Specifications
X Travel
Z Travel
Max Spindle
Spindle Power
Max Turn Length
max turning diameter
Overview
The Victor Taichung Nexus 250A is a slant-bed CNC turning center from Victor Taichung Machinery Works, designed for job shops and production manufacturers requiring a reliable, high-accuracy turning platform for a broad range of workpiece sizes and materials. With a 260mm swing over the cross slide and a maximum turning diameter of 500mm over the bed, the Nexus 250A covers the core of the production turning envelope — shaft work, flanges, bearing journals, bushings, and general-purpose turning — with the rigidity and control sophistication expected from a proven Taiwanese CNC lathe manufacturer.
The Nexus 250A is built on a 45-degree slant-bed cast iron base that provides excellent chip evacuation and a stable, low-vibration cutting platform. The headstock spindle runs through a 2-speed gearbox providing high torque at low speed for heavy turning of steel and cast iron, and higher speed for finishing. Maximum spindle speed is 4,500 RPM — appropriate for the machine's diameter range and workpiece materials. A 66mm bar passage through the main spindle accommodates bar feeders and barstock work up to that diameter.
The 12-station BMT-style or VDI-standard turret indexes rapidly and accommodates a full complement of turning, boring, grooving, and threading tools in a single setup. Through-spindle coolant to the turret is available as an option, supporting deep-hole boring and threading operations. The machine ships with a 3-jaw hydraulic chuck as standard, with optional 6-inch, 8-inch, and 10-inch chuck configurations depending on workpiece requirements.
Fanuc 0iTC is the standard control, providing access to comprehensive turning macros, canned cycles for threading, grooving, and drilling, and full compatibility with turning-focused CAM post-processors. Mitsubishi M70 is available as an alternative. The Nexus 250A includes a full chip conveyor, coolant management, and splash guarding as standard production equipment.
The Nexus 250A competes with the Haas ST-20, Doosan Puma 2100, and Mazak Quick Turn 250 in the mid-size CNC lathe segment. Victor Taichung's Taiwanese manufacturing cost structure typically positions the Nexus 250A at a price advantage versus Japanese and American alternatives at comparable specifications. Street pricing runs from $55,000 to $90,000 depending on chuck size, control, and options. For job shops seeking a dependable mid-size turning center with strong manufacturing heritage and competitive value, the Nexus 250A delivers a capable production platform.
Full Specifications
| Parameter | Value |
|---|---|
| X-Axis Travel | 210 mm (8.3 in) |
| Z-Axis Travel | 580 mm (22.8 in) |
| Max Turning Diameter | 500 mm (19.7 in) over bed; 260 mm (10.2 in) over cross slide |
| Max Turning Length | 530 mm (20.9 in) |
| Max Spindle Speed | 4,500 RPM |
| Spindle Motor Power | 18.5 / 15 kW (25 / 20 hp) |
| Spindle Bore | 66 mm (2.6 in) |
| Chuck Size | 8 in (standard); 6 in / 10 in optional |
| Turret Stations | 12-station BMT / VDI turret |
| Feed Rate Max | 20,000 mm/min (787 ipm) rapid |
| CNC Control | Fanuc 0iTC (Mitsubishi M70 optional) |
| Machine Weight | Approx. 6,000 kg (13,228 lb) |
Strengths & Limitations
Strengths
- 45-degree slant-bed construction provides excellent chip evacuation and a stable, low-vibration cutting platform for consistent surface finish and dimensional accuracy
- 66mm spindle bore accommodates bar feeders and barstock turning, enabling automated production and reducing setup time for shaft and bar-stock work
- 12-station turret with BMT/VDI interface accommodates a full tool complement for complete turning, boring, grooving, and threading operations in a single setup
- Fanuc 0iTC control provides comprehensive canned cycles, threading macros, and broad CAM post compatibility for both manual programming and CAM-driven workflows
- Victor Taichung's established global distribution network provides accessible after-sales support and parts availability across major industrial markets
Limitations
- 4,500 RPM maximum spindle speed is appropriate for the diameter range but limits surface speed for small-diameter aluminum finishing; lighter turning machines may outperform at high RPM
- No live tooling on the standard Nexus 250A — shops needing milling, cross-drilling, or off-center features should evaluate the NEX 260M instead
- Victor Taichung's brand recognition in North America is lower than Haas or Mazak, which can affect resale value and operator familiarity
Best For
Frequently Asked Questions
01
The standard Nexus 250A is a 2-axis turning center without live tooling or C-axis capability. Shops needing live tooling for milling, cross-drilling, or off-center features should evaluate the Victor Taichung NEX 260M, which adds a live-tool turret and C-axis spindle positioning to the same basic turning platform. If the primary workload is turning without the need for milled features, the Nexus 250A provides a more cost-effective solution.
02
The Nexus 250A spindle bore is 66mm, allowing barstock and bar-feeder loading of material up to approximately 63–65mm in practical diameter (allowing for the bar feeder's remnant and guide bushing). Shops regularly turning parts from barstock larger than this diameter will need to load blanks from the chuck side or consider a lathe with a larger spindle bore.
03
Both are well-regarded mid-size CNC turning centers competing in the same size class. The Haas ST-20 benefits from Haas's extensive North American dealer and service network and the familiarity of the Haas control in the US market. The Nexus 250A may offer competitive pricing in some markets and carries Victor Taichung's long manufacturing history. Shops in North America with established Haas service relationships should weigh the convenience of that network; shops less dependent on domestic service infrastructure should compare specifications and pricing directly.
04
Yes. The Nexus 250A is designed for bar feeder integration. The 66mm spindle bore accommodates standard bar feeder guide channels, and the machine's electrical and coolant interfaces support automatic bar feeder operation. Victor Taichung's regional distributors can advise on compatible bar feeder brands and installation requirements. Bar feeder integration is particularly valuable for shops running high-volume production of shaft, pin, and bushing-type parts.
05
The Nexus 250A is available with 6-inch, 8-inch (standard), and 10-inch hydraulic chucks. The 8-inch is the most common configuration for the machine's diameter range, providing a good balance of clamping force, jaw travel, and workpiece access. Shops regularly turning larger-diameter parts closer to the 500mm bed-swing capacity should specify the 10-inch chuck for improved gripping on larger diameters. Soft jaws, pie jaws, and custom jaw configurations are compatible through the standard A2-6 or A2-8 chuck mount.
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Links to community discussions. Summaries are editorial — visit the original thread for full context.