ONA NXT

$200,000 - $320,000 Updated 2026-03-16

Key Specifications

X Travel

600 mm (23.6 in)

Y Travel

400 mm (15.7 in)

Z Travel

400 mm (15.7 in)

Accuracy

1.5 um

u axis

+/-90 mm (+/-3.54 in)

v axis

+/-90 mm (+/-3.54 in)

Overview

The ONA NXT is ONA Electroerosion's most advanced wire EDM, featuring the company's AI-assisted generator system — branded as ONA iDos AI — which uses machine learning to continuously optimize cutting parameters during a burn cycle. Developed at ONA's technology center in Durango, Spain, the NXT represents the state of the art in ONA's wire EDM lineup and targets high-precision mold, die, and aerospace applications where surface integrity, geometric accuracy, and unattended throughput are the governing priorities.

The iDos AI generator learns from each cutting pass and adapts pulse parameters in real time based on detected arc gap conditions, wire tension feedback, and dielectric conductivity data. Unlike conventional adaptive systems that respond to measured deviations after they occur, the AI layer anticipates cutting condition changes based on patterns learned from the current and previous cuts. In practical terms, this means fewer wire breaks during unattended operation, more consistent surface finishes across varying workpiece heights, and reduced finishing pass count for target Ra values. ONA claims up to 25% cycle time reduction versus the previous NX generation on benchmark parts.

The NXT's working envelope is 600 x 400 x 400 mm (X/Y/Z) with U/V axis travel of +/-90 mm. The machine handles workpieces up to 1,050 x 750 mm in plan and up to 2,000 kg — heavy enough for large progressive die sections and thick aluminum extrusion die blanks. Wire diameter range is 0.10 to 0.33 mm, covering fine-wire detail work at 0.10 mm down to production-rate cutting with 0.33 mm wire. Taper cutting capability is +/-30 degrees over 400 mm of Z height.

The control system is ONA's latest platform with a 21-inch HD touchscreen, integrated IGES/STEP/DXF import, and ONA's automated setup wizard that guides operators through workpiece alignment, reference setting, and cutting strategy selection. Remote access and monitoring are standard via ONA Connect, ONA's IoT platform. The automatic wire threading system uses a water-jet approach with thread-through-the-kerf capability, and the machine includes a wire spool capacity of 20 kg for extended unattended cycles.

Full Specifications

Parameter	Value
X-Axis Travel	600 mm (23.6 in)
Y-Axis Travel	400 mm (15.7 in)
Z-Axis Travel	400 mm (15.7 in)
U Axis	+/-90 mm (+/-3.54 in)
V Axis	+/-90 mm (+/-3.54 in)
Max Taper Angle	+/-30 deg at 400 mm height
Max Workpiece Size	1,050 x 750 x 400 mm (41.3 x 29.5 x 15.7 in)
Max Workpiece Weight	2,000 kg (4,409 lb)
Wire Diameter Range	0.10 - 0.33 mm (0.004 - 0.013 in)
Surface Finish	Ra 0.10 um (4 uin) achievable
Positioning Accuracy	1.5 um
Generator	ONA iDos AI — AI-assisted digital generator with real-time machine learning optimization
Wire Spool Capacity	20 kg
CNC Control	ONA latest-generation CNC, 21-inch HD touchscreen
Connectivity	ONA Connect IoT platform (standard)
Machine Weight	6,500 kg (14,330 lb)
Machine Dimensions	3,000 x 2,700 x 2,400 mm (118 x 106 x 94 in)

Strengths & Limitations

Strengths

AI-assisted iDos generator learns cutting patterns and adapts in real time, reducing wire breaks and improving finish consistency during unattended operation
Up to 25% cycle time reduction versus the previous ONA NX generation on benchmark parts
2,000 kg workpiece capacity — among the highest in its travel class — handles heavy progressive die sections and extrusion die blanks
Fine-wire capability to 0.10 mm enables intricate detail cutting alongside 0.33 mm production wire in the same machine
+/-90 mm U/V axis and +/-30 degree taper range cover demanding die clearance and draft cutting requirements
ONA Connect IoT platform provides standard remote monitoring with alarm notification and process analytics

Limitations

AI generator represents newer, less field-proven technology compared to established adaptive systems from Mitsubishi or Fanuc-based wire EDMs
ONA service network in North America is less dense than Japanese EDM brands — AI system issues may require European technical support
Premium pricing over ONA's standard AV-series wire EDMs requires clear ROI justification based on throughput or finish improvement
Machine learning optimization requires sufficient runtime data to reach full effectiveness — new installations may not see full AI benefit immediately
Proprietary ONA control and AI systems create vendor dependency for software updates and optimization database improvements

Best For

High-precision mold shops that run long unattended wire EDM cycles and need the AI system to minimize wire breaks and maintain consistent finish Aerospace and medical device subcontractors cutting titanium, Inconel, and hardened stainless steel components with tight geometric tolerances Progressive die shops cutting large, heavy die sections with complex taper profiles where cycle time directly impacts profitability Shops with 24/7 wire EDM cells seeking the highest unattended reliability in ONA's product range Job shops processing diverse materials and part geometries who benefit from automatic cutting strategy selection

Frequently Asked Questions

01 What does the AI generator on the ONA NXT actually do?

The ONA iDos AI generator uses machine learning to analyze arc gap conditions, wire tension, and dielectric data in real time and adjusts pulse parameters proactively — before cutting conditions degrade — rather than reactively after detecting a problem. This reduces wire breaks, shortens cycle time, and maintains more consistent surface finishes across varying material thicknesses and cutting geometries.

02 How much does an ONA NXT cost?

The ONA NXT typically prices between $200,000 and $320,000 new, depending on options and configuration. The AI generator and IoT connectivity are standard features rather than options on the NXT.

03 What wire sizes does the NXT support?

The NXT supports wire diameters from 0.10 mm to 0.33 mm. Fine-wire cutting at 0.10 mm requires appropriate guides and flushing configurations, while 0.25-0.33 mm wire is used for standard production cutting. Switching between wire diameters requires guide changes.

04 How does the ONA NXT compare to the ONA AV60?

Both machines have similar work envelope dimensions (600 x 400 x 400 mm), but the NXT adds the AI-assisted generator, finer positioning accuracy (1.5 um vs 2 um), heavier workpiece capacity (2,000 vs 1,500 kg), wider U/V axis range (+/-90 vs +/-75 mm), and standard IoT connectivity. The NXT commands a significant price premium for its advanced generator technology.

05 Is the ONA NXT suitable for cutting carbide?

Yes. The iDos AI generator handles tungsten carbide, PCD, and other hard materials. The AI optimization is particularly beneficial when cutting carbide because carbide's cutting characteristics differ significantly from steel and require frequent parameter adjustments — adjustments the AI system handles automatically.