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Iurii Markushov

at IPG Photonics

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Proceedings Article | 4 March 2022 Presentation + Paper

Handheld laser welding and cleaning system for typical metal fabrication using 1.5 kW fiber laser source

Valentin Gapontsev, Felix Stukalin, Adam Pinard, Oleg Shkurikhin, Yuri Grapov, Iurii Markushov

Proceedings Volume 11981, 119810D (2022) https://doi.org/10.1117/12.2616585

KEYWORDS: Fabrication, Beam delivery, Laser welding, Fiber lasers, Safety, Metals, Laser systems engineering, Control systems, X-rays, Laser processing, Photonics, Nitrogen

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Traditional MIG and TIG welding drawbacks include typically requiring timely initial setup and imparting significant heat while welding resulting in large heat-affected zones with material distortion and deformation resulting in both lower quality results and the need for pre- and post- welding operations that increase overall costs and lower productivity. Further adding to costs is the need to employ experienced welders for welding both complex and simple joints. Automated laser welding resolved these problems but until now, it was not a reasonable solution for metal fabricators due to high costs, required floor space and complexity. IPG Photonics solved these challenges with the introduction of a revolutionary new product that brings manual handheld laser welding and cleaning capabilities to fabricators of any scale for use by both novice and professional welders. The adjustable 1.5 kW fiber laser source with available 2.5 kW peak power delivers the processing power required for welding via an ergonomic handheld gun. Process parameters are stored in the device and optimized for common material-thickness combinations, as well as providing the capability for welding dissimilar materials and those with differing electrical conductivity. Incorporation of beam oscillation (wobbling) both increases the weld seam width up to 5 mm for parts with poor fit-up and creates aesthetic seams as desired. Compact and portable at 0.1 m3 and 53 kg makes this solution both a revolutionary laser innovation and a highly productive industrial tool.

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