Influence of Focal Length on Depth of Engraved PMMA Surface

J. Knedlova,L. Sykorova,V. Pata,A. Skrobak

IOP conference series Materials science and engineering（2020）

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摘要

The paper focuses on laser cutting of polymer material PMMA. Specifically, the influence of optics on the engraved surface is investigated with use focal length lenses of 1.5″ 2.5″ 4″. Commercial CO2 laser ILS 3NM by Laser Tools & Technics Corp. Taiwan, was used for experimental machining.

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