Strictly industrial and commercial. Thick rust, marine coatings, tanks and vessels, turbines, large molds, and structural steel, including work in place on installed equipment. The only residential job is heavy-duty automotive. It is a 4,000 W dual-mode continuous-wave laser, water-cooled, about 1,880 lb, with about 50 ft of fiber. It needs three-phase power or a generator. A detailed part or a home project belongs on the Kamino 300.
| Input Grid Profile | Required Inlet Plug | Transformer Topology |
|---|---|---|
| 208V/240V 3-phase | NEMA L21-30P (or L15-30P Delta) | Delta-to-Wye Step-Up Isolation |
| 440V/480V 3-phase | NEMA L16-30P or L16-50P Twist-Lock | Delta-to-Wye Step-Down Isolation |
| Laser type | 4000 W dual-mode continuous wave (ytterbium DCL) |
| Wavelength | 1064 nm |
| Pulse frequency | 2–50 kHz |
| Pulse shape | dual-mode, ring + high-density core |
| Maximum pulse energy | 100 mJ |
| Laser class | 4 |
| Average laser power | 4000 W |
| Average power of the machine | 17 kW |
| Cooling | water cooled |
| Display | hardened glass |
| Total weight | about 850 kg / 1,880 lb |
| Handset weight | about 4.6 kg / 10 lb |
| Laser unit | 220 × 100 × 172.3 cm (7.22 × 3.28 × 5.65 ft) |
| Handset | 58.3 × 20.5 × 26.1 cm |
| Fiber length | about 15 m / 50 ft |
| Protective tube diameter | 25 mm |
| Minimum fiber hose bend radius | 120 mm |
| Humidity | non-condensing |
| Ingress protection | IP4X (transport note elsewhere: IP53 upright only) |
| Temperature | about 4–35 °C / 40–95 °F |
| — | No significant vibration |
Complete training before use. Keep this documentation available to every operator. Netalux Academy details are at netalux.com/academy.
Netalux is not liable for damage to products or installations caused with the machine, or for injury to persons caused with the product.
Eyelids do not protect against laser light. Collective measures and PPE stay on until the machine is fully off.
Under European Directive 2006/25/EC, demarcate the laser cleaning zone so only authorized people enter. Use a laser safety screen, marking tape, and warning signs.
Class 4 laser products require a risk analysis and preventive measures before use (EU Directive 2006/25/EC). Incorrect use can cause permanent blindness, skin burns, short circuits, or uncontrolled emission.
Visible and invisible laser radiation. Avoid eye or skin exposure to direct or scattered radiation. Example label values: 900–1200 nm at 4000 W CW; aiming diode 650 nm <1 mW CW; IEC 60825-1 / BS EN 60825-1.
Released particles can harm health and damage optics. Extract promptly and dispose of collected material under local law.
Every operator must be trained on machine use and safety (Directive 2006/25/EC). Never allow untrained people to run the machine. Operators must be fit for the work.
Emergency stops sit above the display and on the back of the machine. Push one immediately in emergency or danger. Emission and laser-source power stop; unit and handset lights turn red; the display shows the e-stop state.
Confirm the area is safe, turn the e-stop a quarter turn to normal, then reset when the reset path is available again (reset green; lights return to green).
The laser unit houses the source, electronics, and ventilation. The handset is where the beam exits. The fiber connects the two. DCL carries two programmable pulses in one fiber for ablation cleaning.
Do not crush or damage the fiber. Fiber damage forces a full safety stop and certified repair.
Professional surface treatment only: rust, paint, grease, process contamination and coatings, mould cleaning, and weld cleaning. Mobile multi-site use, not private household use and not a fixed unsupervised install. Trained operators only.
Main chassis features used every shift.
| White | starting up |
| Green | ready to reset |
| Orange continuous | ready for emission |
| Orange flashing | lasering |
| Red | alarm (for example e-stop) |
Service door and switchboard are for Netalux technicians only. Invisible Class 4 radiation can be present when panels are open.
Touch display on the laser unit for jobs and status.
| Emergency stop | emergency use only |
| Key switch | quarter turn right to start; left and remove to shut down |
| Display | jobs plus power, geometry, and pulse overlap; temperature and status |
| Slider | fine parameter changes |
| Arm/disarm button | green armed, red while ready/emitting depending on state |
| — | Alarm symbols on the right of the display |
The handset aims the beam and carries local controls. Never look into the laser head unless the machine is powered off.
Incorrect use risks operator and bystander health and can seriously damage the machine. Netalux is not liable for incorrect use.
Fill coolers correctly before first use (check with the machine off). Complete safety training and prepare the room before these steps.
Shut down in order. Do not yank power while the display is still on.
Slide the latch outward, turn the head, release the latch. Three built-in lenses set working distance: shorter focus is more aggressive. Retune job settings after a lens change.
Ring and core pulses can be programmed separately. Prefer the ring for larger-spot coating work; prefer the core when you need more abrasive character.
Use the four hoisting points with proper straps, or a forklift only at the marked pickup areas.
An orange maintenance alarm shows on-screen detail. Contact Netalux Support (support@netalux.com, +32 11 661 882) if basic steps do not clear it. Only Netalux or authorized parties may repair or perform major maintenance.
Clean with Netalux wipes as soil builds. Replace scratched or uncleared glass. Do not use other solvents that attack the coating. Do not laser through dirty glass.
Mirrors and lenses need a Netalux or certified check every six months.
Inspect the shipment before first use.
Power off fully. Store handset and fiber in the compartment. Clean with mild soap; use isopropanol on protective glass only. Store frost-free, condensation-free, max 40 °C. Drain coolers before freeze risk. IP53 applies upright; protect openings if the unit lies down.
Extraction, air, and PPE are part of safe operation, not optional extras.
| Vacuum suggestion (non-binding) | more than 3 kW and about 23 kPa underpressure; 50 mm tube to the handset extractor |
| Compressed air | cold and dry; minimum 6 bar and 3 hp / 2.2 kW |
| — | Air cools optics and keeps the protective glass clear |
Wear EN207 glasses for 1064 nm at this machine power, plus hearing protection and any respiratory gear from the risk analysis. Demarcate with a laser safety screen that meets EN 60825-4.
Seven symbols sit on the right of the HMI: General, Maintenance, Temperature, Power supply, Cooling, Humidity, and Compressed air. Orange or blue is non-critical; red disables the machine until you clear the display steps.
| General orange/red | follow on-screen text or call Netalux Support |
| Maintenance orange | schedule service with Netalux Support |
| Temperature blue/orange | wait for warm-up or cool-down; red: critical heat, call Support |
| Power supply red | defective supply, call Support |
| Cooling blue/orange | wait for cooler temperature; red: cooler fault, call Support |
| Humidity orange | stop and move to a drier room |
| Compressed air orange | check filters, pressure, and connection |
| Message on screen with no lit symbol | follow the display or call Support |
Manufacturer declaration for the photographed manual copy (serial blank on that page).
A single pass removes gelcoat from the resin surface without touching the glass fiber laminate underneath, provided power stays low enough to stop at that boundary. Old paint and antifouling residue sit on that same gelcoat skin, and [mold release residue](/contaminants/composite-manufacturing-laser-cleaning) left over from layup responds to the same setting. Fiberglass runs a polyester or vinyl ester resin around glass fiber, so it needs different parameters than [FRPU](/materials/fiber-reinforced-polyurethane-frpu-laser-cleaning), built on a urethane matrix, or [Kevlar](/materials/kevlar-reinforced-polymer-laser-cleaning), woven from aramid fiber. A test coupon on scrap laminate confirms the setting clears gelcoat before it reaches fiber.
Laser cleaning removes rust, mill scale, and weld discoloration from steel without media, holding fluence near a 1.5 J/cm² cleaning floor and stopping short of the 4.5 J/cm² mark that scars bare metal. Intact mill scale still needs mechanical pre-treatment under AMPP SP21511-1 first. Compare with [stainless steel](/materials/stainless-steel-laser-cleaning) or [cast iron](/materials/cast-iron-laser-cleaning) laser cleaning when the substrate is mixed, and see [weld prep](/applications/weld-prep-laser-cleaning-applications) for the fabrication step this feeds.
Dock and yard coating prep still pays ventilation and media capital when blast cabinets are the only way off old industrial coatings. Pulsed paint removal leaves parts primer-ready the same shift and skips the blast enclosure. Keep grit only where profile depth is a contract requirement. Confirm the substrate on [steel](/materials/steel-laser-cleaning) and [aluminum](/materials/aluminum-laser-cleaning) parts, and keep the same dry path on [lead paint](/applications/lead-paint-laser-removal-bay-area) jobs when the coating era is unknown.
Dock and yard coating prep clears field rust from sound steel. A pulsed pass leaves primer-ready metal the same shift without a blast enclosure. Intact mill scale still goes to grinders or blast; only Grades C–D plate that already lost that scale stays on the pulsed path. Deep pits are missing metal, not a film this cleanup restores, so coat soon in salt air before the face reoxidizes. The oxide this job lifts is [iron oxide rust](/contaminants/iron-oxide-rust-laser-cleaning) on [steel](/materials/steel-laser-cleaning). When the next coat is already booked, the same yards also run [paint coating removal](/applications/laser-paint-coating-removal-bay-area).
Bay Area steel and sheet-metal fabrication shops still poison the root pass when grinding only clears mill scale where the wheel hits and leftover oil, rust, or scale stays on the rest of the joint. A pulsed joint prep clears the full face the same shift and skips grit blast waste. Size the recipe for loose rust and thick scale apart from tight mill scale under AWS D1.1 §5.15, and match energy on scrap before the arc. Confirm the same path on [metal fabrication](/applications/metal-fabrication-laser-cleaning-applications), [stainless passivation](/applications/stainless-steel-weld-passivation-laser-cleaning), and [sandblasting comparisons](/applications/laser-cleaning-vs-sandblasting) when scale returns between stations.
Bay Area EV assembly and powertrain lines still lose coatings and welds when oil, rust, or oxide stays on trays, busbars, and brackets. A pulsed clean leaves those parts ready for the next bond or weld the same shift, without standing up a solvent bath. Looking for silver after Al-Si prep is not enough on hot-stamp structures; cupping can still fail. Match energy on scrap before a fleet recipe crosses [steel](/materials/steel-laser-cleaning) and [aluminum](/materials/aluminum-laser-cleaning) housings, then confirm the same clean path on [EV battery busbar](/applications/ev-battery-busbar-laser-cleaning) cells when oxide returns between stations.
Clear die soil keeps finish only when solvent hand wipes stop stalling inside multi-cavity tools. Pulsed cavity cleaning returns mold tooling the same shift without solvent waste across the bench. Do not polish away the preferred texture; clean cavities on the press when possible. Confirm the metal on [tool steel](/materials/tool-steel-laser-cleaning) and [copper](/materials/copper-laser-cleaning) cavities, and keep the same dry path on [hot-runner tips](/applications/hot-runner-laser-cleaning) and [rubber molds](/applications/rubber-compression-mold-laser-cleaning) when resin returns between shots.
Iron oxide rust is removed from [steel](/materials/steel-laser-cleaning) at **0.1–0.5 J/cm²**, well under the **8–15 J/cm²** where the base metal starts to take damage, so a coupon cut from the actual part, not the color of the rust or any [mill scale](/contaminants/mill-scale-magnetite-laser-cleaning) under it, should set the energy.
Paint coatings come off [stucco](/materials/stucco-laser-cleaning) at 0.5–2 J/cm², while the stucco itself is injured at 8–14 J/cm², so a setting that removes paint has to stay near the low end of that range. The same logic runs through [laser paint coating removal](/applications/laser-paint-coating-removal-bay-area) on any host.
Rubber gasket residue on a [steel](/materials/steel-laser-cleaning) pipe flange lifts at **1–3 J/cm²**, while **8–15 J/cm²** begins to injure the steel itself, so the pass stays at the low end of that gap.
Stripping a PVD or CVD hard coating from tool steel is a narrow band, since about 2–4 J/cm² removes the coating while 8–12 J/cm² injures the host steel. Bay Area tool remanufacturers should treat a glossy flank face as a screening test only, because recoating contracts need a chemical strip-complete criterion.
Laser descaling lifts mill scale magnetite from steel at 1–3 J/cm², and 8–15 J/cm² starts to injure the steel host beneath it.
Organic grease oil on steel lifts at **0.05–0.5 J/cm²**, while the steel itself is not injured until **8–15 J/cm²**, so the gap between cleaning and damage is wide.
Stainless steel carrying oxide scale leaves a narrow margin, with scale coming off at 1.5–4 J/cm² and damage to the stainless itself starting at 5–12 J/cm², while on hot-rolled carbon steel AMPP SP21511-1 says pulsed laser ablation will not productively remove intact mill scale, so the metal and the scale condition decide whether laser cleaning is the right tool.
Laser cleaning removes weld heat tint from stainless steel at 0.5–1.5 J/cm², but 5–12 J/cm² injures the metal underneath, and a clean look does not prove corrosion resistance returned.
The Netalux Dagger 4000 is a water-cooled Class 4 dual-mode continuous-wave ytterbium DCL cleaner at 4000 W average laser power and up to 100 mJ pulse energy (1064 nm). DCL combines a multi-mode ring and single-mode core in one fiber. Z-Beam includes delivery, setup, and operator training with rental.
From the Dagger UMHW V1 EN manual: 4000 W average laser power; up to 100 mJ pulse energy; 2–50 kHz; ring plus high-density core pulse shape; 1064 nm; water cooled; about 850 kg total; fiber about 15 m; supply 3P+N+PE 380–400 V 50–60 Hz with a 5P-16A plug.
The manual lists intended professional uses as rust, paint, grease, process contamination and coatings, mould cleaning, and weld cleaning. Related materials and applications on this page are ranked by evidenced affinity, not as a claim that every substrate is equally easy.
The Dagger plugs into 400Y/231V three-phase on a 5-pin European outlet (5P-16A). A US rental feeds a transformer from 208V/240V or 440V/480V three-phase. The Electrical supply table lists the inlet plug and transformer for each.
Clear a path for the unit and the extractor one day before when you can. Confirm the three-phase feed in the electrical table, or ask Z-Beam to arrange a generator. Name stairs, tight rooms, and whether the surface is horizontal or vertical when you book.
Keep protective glass clean; use isopropanol on glass only. Keep air inlets clear and follow orange maintenance alarms on the HMI. Drain coolers before freeze risk and store frost-free. Internal service and open panels are for Netalux technicians only.
It is sized for mobile multi-site professional work when three-phase power or a generator is available. Only trained operators may run a Class 4 system. Z-Beam includes hands-on training with rental; untrained operators are prohibited by the manual.
Class 4 labeling, e-stops on the unit and rear, key switch, arm/disarm, external interlock, and seven HMI alarm symbols. Operators must wear EN207 glasses at 1064 nm, demarcate the zone under Directive 2006/25/EC, use extraction, and complete machine and safety training before emission.
