nLIGHT20kW
alta 20kWMax Steel35mm
Price$80,000 - $130,000
Compare 21 fiber laser cutting machines with Nlight laser sources from 3 brands. Pricing from $20,000 to $550,000.
21 machines in our database use Nlight laser sources, manufactured by 3 equipment brands with power levels from 4kW to 20kW. Nlight is a specialized laser source manufacturer serving 21 equipment platforms. The laser source is the most critical component affecting cutting quality, power stability, and long-term operating costs.
When evaluating machines by laser source brand, compare: (1) beam quality specification (BPP or M² value — lower is better for focused cutting), (2) warranty term and what it covers (diode vs. full unit), (3) service infrastructure in your region (local vs. overseas RMA), and (4) expected diode lifetime (typically 50,000–100,000 hours for modern fiber sources). Among these 21 machines, pricing spans from budget to premium segments reflecting the laser source as one of several cost drivers alongside motion systems, control software, and build quality.
| Brand / Model | Power | Work Area | Max Steel | Speed @5mm | Price Range | Origin |
|---|---|---|---|---|---|---|
| nLIGHT alta 20kW | 20kW | — | 35mm | — | $80,000 - $130,000 | 🇺🇸 |
| Cincinnati CL-9A60 4020 12kW | 12kW | 4000×2000 | 32mm | 30 m/min | $320,000 - $440,000 | 🇺🇸 |
| Mazak STX 3015 12kW | 12kW | 3000×1500 | 32mm | 32 m/min | $280,000 - $380,000 | 🇯🇵 |
| Mazak OPTIPLEX HP 3015 12kW | 12kW | 3050×1525 | 28mm | — | $350,000 - $550,000 | 🇯🇵 |
| nLIGHT alta 12kW | 12kW | — | 28mm | — | $50,000 - $80,000 | 🇺🇸 |
| Mazak OPTIPLEX NEXUS 6225 FIBER | 10kW | 6000×2500 | 40mm | 35 m/min | $550,000 - $680,000 | 🇯🇵 |
| Mazak OPTIPLEX HP 3015 10kW | 10kW | 3000×1500 | 28mm | 28 m/min | $250,000 - $350,000 | 🇯🇵 |
| Mazak OPTIPLEX NEO 4020 10kW | 10kW | 4000×2000 | 25mm | — | $400,000 - $600,000 | 🇯🇵 |
| nLIGHT alta 10kW | 10kW | — | 40mm | 35 m/min | $32,000 - $48,000 | 🇺🇸 |
| Cincinnati CL-9A40 3015 8kW | 8kW | 3000×1500 | 25mm | 22 m/min | $200,000 - $280,000 | 🇺🇸 |
Selecting the right fiber laser cutting machines involves evaluating five critical factors: (1) Material type and maximum thickness — determine the minimum laser power required. (2) Work area dimensions — match to your largest sheet or part size, with common formats being 3015 (3000×1500mm) and 4020 (4000×2000mm). (3) Production volume — high-volume shops benefit from automation features like sheet loading/unloading and nesting software. (4) Budget — consider total cost of ownership including installation, training, consumables, and maintenance, not just purchase price. (5) Service and support — verify the manufacturer has local service partners in your region. Use our comparison table above to evaluate 21 options side by side, filtering by the specifications most important to your application.
Five primary factors determine laser cutting edge quality: (1) Laser power and beam quality (BPP/M²) — lower BPP values produce focused spots with higher energy density for cleaner cuts. (2) Cutting head optics — auto-focus heads with collimation adjustment optimize beam characteristics for different materials and thicknesses. (3) Motion system accuracy — positioning accuracy (±0.03mm typical for premium machines) and repeatability directly affect dimensional precision. (4) Assist gas selection and pressure — nitrogen for oxide-free edges on stainless and aluminum, oxygen for faster thick-steel cutting. (5) Mechanical rigidity — machine bed flatness, gantry stiffness, and vibration damping affect edge straightness and surface roughness. Compare these specifications across our 21 listed machines using the table above.