Pre-Coating Treatment with Laser Cleaning As a result, the welds have a greater yield strength, tensile strength, ductility and fatigue life. With rust and dirt layers completely removed, the number of porosities in the welding joints are greatly reduced, and their size is two to three times smaller. The best way to find out the details for your application is to have us run tests on your parts.Īs a highly selective process, laser rust removal is a quick way to improve the quality of your welded parts. The thickest forms of rust can be removed at 5 cm2/sec. Our high-power systems remove typical light rust at approximately 50 cm2/sec. The speed at which rust is removed depends on rust thickness and laser power. The result is a clean surface with rust and dirt layers vaporized without permanently affecting the base material. If the laser beam is shone on the metal surface at an intensity below its ablation threshold, the energy of the laser beam is dispersed as heat once rust is removed. Laser parameters can be set so that the laser beam’s intensity is just above the ablation threshold of rust but below that of the metal being cleaned. For rust removal on metals, you need to pay attention to the ablation threshold. How Does Rust Removal Work?Īll materials have characteristics that define how they react under specific conditions. In addition, they no longer handle dangerous materials.
With these things in place, operators who are near the laser system don’t need personal protective equipment for respiratory, hearing or body protection. Lasers in manufacturing environments are extremely safe when integrated with a dust extraction system and a Class-1 laser safety enclosure.
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