Abstract
AbstractFiber lasers feature higher energy conversion efficiency than CO2 lasers, which enables a simple structure and energy‐saving design. Consequently, in the laser cutting processes for metal sheets, operators have been shifting usage from CO2 lasers to fiber lasers at an accelerated pace because of their reduced maintenance, improved metal absorption rate due to their wavelength and other advantages. In actual practice, fiber lasers are superior to CO2 lasers in high‐speed cutting processes for thin metal sheets. However, as the thickness of the metal sheet increases, problems arise where fiber lasers have inferior performance to CO2 lasers in terms of dross adhesion, cutting surface quality, and other factors.
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