High-Speed Laser Welding Solutions

Laser Welding Solutions

 

The End of the “Skilled Welder” Crisis?

The global manufacturing sector is facing a critical bottleneck: a severe shortage of skilled TIG and MIG welders. Mastering the art of traditional arc welding takes years of apprenticeship and practice. For fabrication shops, this translates to high labour costs, inconsistent quality, and production delays.

Laser welding is the technological answer to this crisis.

At Arcus CNC, we view laser welding not just as a joining method, but as a workforce multiplier. By replacing the complex manual dexterity required for TIG with the precise, controlled energy of a fiber laser, we empower novice operators to produce professional-grade welds in hours, not years.

Speed vs. Quality: The 4x Advantage

Why are industries from automotive to kitchenware switching to laser welding machines?

Whether you are looking for a portable 1500w laser welding unit for on-site repairs or a fully automated robotic cell, Arcus CNC provides the industrial-grade solutions to keep your production line moving.

Handheld Laser Welding: Freedom & Flexibility

The introduction of the handheld fiber laser welding machine has democratised laser technology. No longer confined to massive, expensive robotic cells, high-power laser welding is now as portable as a MIG welder.

Portability & Reach

The beauty of the handheld system lies in its flexibility. An operator can take the laser welding gun to the workpiece, rather than moving heavy assemblies to a dedicated welding station. Long Reach: Our machines feature 10-meter or 15-meter fibre optic cables, allowing welders to move freely around large structures like tanks, chassis, or architectural frameworks. Compact Design: The laser welding machine itself is often smaller than a traditional TIG setup, freeing up valuable floor space in crowded workshops.

Ease of Use: The "Wobble" Head

Traditional laser welding required a perfect fit-up (zero gap) because the laser beam is so small. This was a major barrier for general fabrication. Wobble Technology: Arcus CNC handheld guns feature a "Wobble" function. The internal mirrors oscillate the beam in a circular or figure-8 pattern. This effectively widens the weld pool, allowing the laser to bridge gaps (up to 0.5mm - 1.0mm) and creating a wider, more aesthetically pleasing bead that mimics a perfect TIG weave. Pre-Set Parameters: The controller comes with pre-set libraries for common materials. An operator simply selects "Stainless Steel - 2mm - Fillet Weld," and the machin

Portability & Reach

The beauty of the handheld system lies in its flexibility. An operator can take the laser welding gun to the workpiece, rather than moving heavy assemblies to a dedicated welding station. Long Reach: Our machines feature 10-meter or 15-meter fibre optic cables, allowing welders to move freely around large structures like tanks, chassis, or architectural frameworks. Compact Design: The laser welding machine itself is often smaller than a traditional TIG setup, freeing up valuable floor space in crowded workshops.

By combining the speed of light with the practicality of a wire feeder, the handheld laser welder becomes the ultimate tool for job shops handling a mix of thin sheet metal and light structural fabrication.

The "3-in-1" Revolution: Weld, Clean, Cut

In a modern fabrication shop, versatility is currency. Why invest in three separate machines when one high-performance unit can do it all? Arcus CNC is at the forefront of the multi-function revolution with our 3-in-1 laser welding machine technology.

By simply changing the copper nozzle on the handheld gun and selecting a different mode on the controller, your welder transforms into a powerful cleaning or cutting tool in seconds.

1. Laser Welding (The Primary Function)

As discussed, the primary mode delivers deep, high-speed welds. But unlike TIG, which requires a highly skilled hand to feed filler rod, the laser wire feeder automates the process, creating consistent, stack-of-dimes beads on mild steel, stainless steel, and aluminium.

2. Laser Cutting (For Fit-Up)

Need to trim a sheet to fit a gap? You don’t need to walk over to the guillotine.

  • On-the-Fly Cutting: By switching to a cutting nozzle, the high energy density of the fiber laser can slice through thin sheet metal (up to 2mm-3mm depending on power). While it doesn’t replace a dedicated flatbed cutter for precision, it is invaluable for quick trimming and modification during assembly.

3. Laser Cleaning & Rust Removal

Before welding, materials must be clean. Oil, rust, and oxide layers are the enemies of a strong joint.

  • Pre-Weld Preparation: Switch to “Cleaning Mode,” and the laser beam scans a wide path (up to 80mm-120mm) to vaporise rust and contaminants instantly. This ensures a porous-free weld without the need for chemical solvents or wire brushing.

  • Post-Weld Finishing: After welding, the laser cleaning machine function can remove the heat tint (discolouration) on stainless steel welds, restoring the surface to a bright, passive state. This capability alone saves hours of manual polishing.

Material Capabilities: Joining the Unjoinable

Traditional arc welding (MIG/TIG) relies on electrical conductivity and a large heat input to melt the base metal. Laser welding relies on light energy density. This fundamental difference unlocks material capabilities that were previously difficult or impossible.
1. Carbon Steel Process Parameters
2. Aluminum Process Parameter
3. Stainless Steel Process Parameters
Thickness (mm)Scan Speed (mm/s)Scan Width (mm)Peak Power (watt)Duty Cycle (%)Frequency (Hz)Wire-feed Speed (cm/s)
Weld Wire Diameter (mm)
130033501002000601
230037001002000601.2
3300311001002000601.2
4300315001002000601.6
5220318001002000501.6
6220322001002000501.6
8220330001002000402
Thickness (mm)Scan Speed (mm/s)Scan Width (mm)Peak Power (watt)Duty Cycle (%)Frequency (Hz)Wire-feed Speed (cm/s)
Weld Wire Type/Dia
13003500100200060ER5356 1.0
23003800100200060ER5356 1.2
330031400100200060ER5356 1.2
430031800100200060ER5356 1.6
522032000100200050ER5356 1.6
Thickness (mm)Scan Speed (mm/s)Scan Width (mm)Peak Power (watt)Duty Cycle (%)Frequency (Hz)Wire-feed Speed (cm/s)
Weld Wire Type/Dia
0.53003260100200080ER304 0.8
0.83003300100200080ER304 0.8
13003350100200060ER304 1.0
23003700100200060ER304 1.0
330031100100200060ER304 1.2
430031500100200060ER304 1.2
522031800100200050ER304 1.6
622032200100200050ER304 1.6
822033000100200040ER304 2.0

Automated & Robotic Welding (For Mass Production)

While handheld units offer unmatched flexibility, high-volume manufacturing demands repeatability that no human hand can match. For industries like automotive, battery production, and white goods, Arcus CNC integrates our high-performance fiber laser sources with 6-axis industrial robots to create fully automated laser welding systems.

Consistency is King

In manual TIG welding, the quality of the weld varies with the operator's fatigue level. In robotic laser welding, the 10,000th part is identical to the first.

Parametric Control: The robot controls the travel speed, focal distance, and wire feed rate with micron-level precision. This ensures consistent penetration depth and bead width, critical for structural certification.

Seam Tracking: Advanced vision systems or tactile sensors scan the joint in real-time. If a part has slight fit-up variations, the robot adjusts its path instantly, ensuring the laser beam hits the seam centre every time.

6-Axis Integration

We partner with leading robotic arm manufacturers (such as Fanuc, ABB, Kuka, and Yaskawa) to deliver turnkey cells.

Complex Geometries: A 6-axis arm can manipulate the laser welding head around complex 3D shapes—welding a battery tray corner, then rotating to weld a cylindrical cooling port in a single fluid motion.

Remote Welding: For certain applications, we use long-focal-length scanner heads (Remote Laser Welding). The robot moves the head over the workpiece while mirrors inside the head steer the beam at incredible speeds, welding multiple spots in milliseconds without the robot arm even stopping.

Safety & Environment: The Invisible Priority

Laser welding utilises Class 4 laser sources—high-power beams that can cause instant eye damage and skin burns if not managed correctly. At Arcus CNC, safety is engineered into every system we sell. We don't just sell you a machine; we provide the safety infrastructure to run it legally and responsibly.

1. PPE Requirements: Why Sunglasses Won't Work

Specific OD Ratings: Operators must wear fiber laser safety glasses with a specific Optical Density (OD) rating, typically OD6+ or OD7+ at 1064nm-1080nm. Arcus CNC supplies certified eyewear that blocks the laser wavelength while allowing visible light through, so the operator can see the weld pool clearly.

Skin Protection: Because handheld laser welding generates UV radiation (similar to TIG), full-coverage clothing and gloves are mandatory to prevent "welder's flash" burns on exposed skin.

2. Fume Extraction

Laser welding vaporises metal and any surface contaminants (oil, coating). This generates distinct metallic fumes.

Source Capture: A dedicated fume extractor is essential. For handheld units, we often integrate a fume nozzle directly onto the gun, sucking the smoke away at the source before it reaches the operator's breathing zone.

Filtration: High-efficiency HEPA filters trap the sub-micron particles, returning clean air to the workshop.

3. Work Cell Design: The "Laser Safe" Zone

For handheld laser welder operations, the workspace must be controlled.

Interlocked Enclosures: We recommend and supply laser-safe welding booths or curtains. These barriers absorb scattered laser light.

Safety Interloops: Our machines feature a safety circuit. The laser will only fire if the "safety clip" is attached to the workpiece (ensuring a ground loop) and the gun's trigger has a dual-stage activation. If the gun is dropped or pointed away from the metal, the beam shuts off instantly.

Industry Applications: Where Speed Meets Strength

Laser welding is reshaping industries that demand both high throughput and aesthetic perfection. From the sleek finish of a commercial kitchen to the structural integrity of an electric vehicle, Arcus CNC solutions are deployed where traditional welding falls short.

Kitchen & Bath Fabrication

For manufacturers of stainless steel sinks, countertops, and commercial extract hoods, the “finish” is everything.

  • Seamless Joining: Laser welding creates smooth, flat seams on 1.0mm – 1.2mm stainless steel (304, 316).

  • Polishing Reduction: Because the weld bead is so neat and the heat tint is minimal, the post-weld grinding and polishing time is reduced by up to 80%. This is a massive labour saving for sheet metal welding shops.

HVAC & Ductwork

Airtight seals are critical for ventilation efficiency.

  • Flange Welding: Replacing rivets or spot welds with a continuous laser seam ensures zero air leakage.

  • Galvanised Steel: Our handheld laser welder parameters are tuned to weld galvanised sheets with minimal zinc burn-off, maintaining corrosion resistance.

Automotive & E-Mobility

The shift to electric vehicles (EVs) has driven the adoption of fiber laser welding.

  • Battery Packs: Welding copper busbars and aluminium battery casings requires the precise depth control that only a laser can provide. The low heat input prevents damage to sensitive battery cells.

  • Body-in-White: High-speed remote laser welding of car bodies increases chassis stiffness while reducing weight.

Signage & Display

  • Aluminium Letters: Welding complex 3D channel letters from thin aluminium returns (0.6mm - 0.8mm). TIG welding often blows holes in material this thin; laser welding fuses it instantly with no distortion.

  • Clean Aesthetics: The lack of spatter means the sign is ready for painting immediately.

The Arcus CNC Advantage: Power & Pedigree

In the rapidly expanding market of handheld laser welding machines, quality varies wildly. As a dedicated laser welding machine manufacturer established in 2007, Arcus CNC offers industrial reliability that "white label" importers cannot match.

Source Reliability

The heart of any welder is the fiber laser source. We partner exclusively with tier-one manufacturers like IPG Photonics, Raycus, and Max Photonics.

Stability: These sources are proven to maintain stable power output over thousands of hours, ensuring your weld penetration doesn't drift over time.

Serviceability: Unlike generic sources, our partners have global service networks, ensuring that your investment is protected.

The Arcus Training Academy

We understand that moving from TIG to Laser is a mindset shift. We don't just ship a box; we transfer knowledge.

Process Training: We teach your staff the nuances of laser welding stainless steel vs. aluminium—how to adjust the "wobble" width, frequency, and wire feed speed for the perfect bead.

Safety Culture: We drill your team on laser safety protocols, ensuring your shop remains compliant and your operators remain safe.

Competitive Factory Pricing

By manufacturing our own chillers, cabinets, and integrating the sources directly, we offer the laser welder price of a factory-direct supplier with the support of a local partner. Whether you need a single 1500w laser welding unit or a robotic cell, Arcus CNC delivers the best ROI in the industry.

The most authentic reviews

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Customer

I can directly use the parameters set by the machine, which is very convenient for me. The packaging is very good and there is no damage.

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Frequently Asked Questions

A: Yes, and often stronger. Because the laser welding machine creates a narrow, deep fusion zone with a fine grain structure (due to rapid cooling), the mechanical properties of the joint are excellent. In tensile tests, the base metal usually fails before the laser weld.

A: Yes. Just like TIG welding, you need an inert gas to protect the molten pool from atmospheric contamination (porosity).

  • Nitrogen (N2): Most common for stainless steel (economical and effective).

  • Argon (Ar): Preferred for Aluminium and Titanium for the highest quality.

  • Compressed Air: Can be used for welding mild steel where surface oxidation is acceptable, though it is not recommended for aesthetic stainless welds.

Can I weld if the fit-up isn’t perfect? A: Early laser welders required zero gap. However, our modern handheld fiber laser welding machine features “Wobble” technology and an integrated wire feeder. This allows you to bridge gaps of 0.5mm to 1.0mm comfortably, making it practical for general fabrication work.

 

A: Yes. The 3 in 1 laser welding machine includes a cleaning mode. By changing the nozzle and selecting the “Clean” preset, the laser beam scans a wide path to vaporise rust, oil, and paint. It is an excellent tool for preparing metal before welding or restoring parts (laser rust removal).

Dr. Liu Che

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