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High Power Laser Welding of Metals

Fiber laser 0.5 kW 1.0kW 1.5kW 2.0kW for handheld welding

Fiber lasers in the power range of 1000 W to 3000 W can weld heavier metals connections at high speeds.
Applications can be as diverse as stainless steel sheets for kitchen tops, galvanized steel backplates for flat screen LCD TV’s, sheet steel for stators in electric motors, structural parts such as turbocharger waste gates, stainless steel bellows, copper wires, tabs for batteries, etc.
Thicknesses of up to 5 mm can be welded and speeds of up to 50 cm/second can be achieved.
Fiber lasers in this power range are increasingly replacing other welding processes such as Resistance Welding (spot welding), TIG welding, MIG welding, Electron beam welding, etc.
With lasers at these power levels, the weld speed is typically only limited to the speed of moving the system or the parts and feeding the parts to and from the system. In the coming years, the power of these lasers is expected to increase by 20% - 30% year on year and even more traditional welding processes will be replaced by laser welding.

Handheld Fiber Laser Welding Machine

A Handheld Fiber Laser Welding Machine is a new type high-power, high-end continuous welding tool which adopts a high-quality fiber laser source to produce a fiber optic beam. After transmission processing, the light is focused on the workpiece to achieve continuous welding. It avoids the two thresholds of thermal strain and post-treatment, and is environmentally friendly and pollution-free, greatly improving the joint strength and quality of welding.
Replacing the previously fixed light path with a hand-held type not only facilitates the welding of molds, advertising characters, kitchen utensils, doors and windows, etc., but also makes laser welding possible in outdoor operations, which indicates that the traditional welding of electric welding, argon arc welding, etc. will be replaced by laser welding.

Laser welding provides an efficient and stable process due to its high precision and fast production rate which has many applications in the electronics and automotive industry.

Traditionally, laser welding is done with a fixed welding head with a higher power laser having lower beam quality to give acceptable weld widths as single mode beams are too sharp leading to very narrow weld profiles.

In contrast wobble welding (or oscillation welding) is where a high beam quality laser is used with a galvo scan-head to rapidly oscillate the focal spot.

This method of welding enables much easier control of weld parameters such as weld width and depth of penetration which can lead to a more efficient welding process.

Lasermach WOBBLE: Handheld fiber laser welding machine

FAST, economical and safe hand welding with fiber laser beam

Wobble welding technology allows your team to skip the filler material while achieving a quality welding seam.

Laser welding uses high-energy laser pulses to locally heat the material in a small area.
The energy of the laser radiation diffuses into the material through heat conduction,
and the material is melted to form a specific molten pool.
It is a new type of welding method, mainly for the welding of thin-walled materials and precision parts,
which can realize spot welding, butt welding, stack welding, sealing welding, etc.
The welding speed is fast, no treatment is needed after welding, and the quality of the weld is high.
The weld can be precisely controlled, small focus spot, high positioning accuracy, easy to automate.

more info online soon

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