Hebei Juliang Technology Co., Ltd. is one of the leading manufacturers and suppliers of 3 in1handheld fiber laser welder in China. Please feel free to buy CE approved machinery made in China here from our factory. All customized machines are with high quality and competitive price.

Product Definition

A 3-in-1 handheld fiber laser welder is a portable laser processing system that integrates welding, cleaning, and cutting functions into a single handheld device. The system generates a fiber laser beam at approximately 1070–1080nm wavelength, delivered through a fiber optic cable to a handheld laser gun. The beam is focused to a spot size adjustable from 0.2mm to 2.0mm, producing power density sufficient for metal joining, surface contaminant removal, and thin-section cutting. The three functions share the same laser source and control system, with function switching achieved through interchangeable nozzles and parameter adjustments. Power configurations range from 800W to 3000W, with air-cooled options available for lower-power units (800–1200W) and water-cooled systems for higher power levels.

Mode Switching and Hardware Configuration

To switch functions, you'll need to make hardware changes along with parameter adjustments:

Welding: Install the welding nozzle on the handheld gun, activate the wire feeder, and ensure shielding gas is flowing.
Cleaning: Attach the cleaning head. The wire feeder should be inactive or retracted, and the beam will scan the surface.
Cutting: Fit the cutting nozzle. Retract the wire feeder and activate assist gas at the correct cutting pressure.

Each mode uses a specific nozzle designed for its task. Some models offer quick-swap nozzle systems.

Failure Modes

Protective Window Contamination: Weld spatter and metal vapor can deposit on the protective window, leading to less weld penetration and uneven bead appearance. To prevent this, inspect daily, clean with lens wipes, and replace if pitted.

Wire Feed Interruption: If the filler wire jams or feeds unevenly, it can cause porosity or incomplete weld fusion. This might be due to the wrong wire diameter, worn feeder rollers, or a kinked wire. Check the wire path weekly and ensure you're using the correct wire size.

Airflow Restriction (Air-Cooled Systems): Dust on the heat sink fins can hinder cooling. This can result in thermal shutdowns or reduced power output. Clean the heat sinks with compressed air weekly.

Water Quality Degradation (Water-Cooled Systems): Poor water quality can cause scale buildup, making cooling less efficient. You might notice a gradual temperature increase and the chiller running constantly. Use only deionized water and change the coolant every 6–12 months.

Laser Output Degradation: Over time, the laser's power output can decrease, leading to slower welding and shallower penetration. Verify the power output periodically and replace the source if it drops below 80% of its rated power.

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FAQ

How long does it take to switch between welding, cleaning, and cutting modes?

Mode switching typically takes 2–5 minutes: changing the nozzle, retracting or activating the wire feeder, and adjusting parameters via the control interface. Quick-swap nozzle systems reduce this time.

What power level is recommended for general fabrication work?

Most buyers choose the 1500W or 2000W model as these handle approximately 90% of typical fabrication work without overpaying for unused power.

Does the machine support welding of dissimilar metals?

Yes. The handheld fiber laser can weld dissimilar metal combinations such as steel to stainless steel and aluminum to copper. Parameter optimization is required due to different thermal conductivities and melting points.

What is the typical welding speed compared to TIG?

Laser welding with this system runs approximately 3–5 times faster than TIG welding on comparable materials. Speed depends on material thickness, joint geometry, and power setting.