Experimental comparison of the oxygen-assisted laser cutting of low-carbon steel with fiber and СО2-lasers under the condition of minimal roughness

A. M. Orishich; V. B. Shulyatyev; A. G. Malikov; A. A. Golyshev

doi:10.1117/12.2037477

20 February 2014 Experimental comparison of the oxygen-assist laser cutting with a fiber and CO₂-laser under the condition of minimal roughness

A. M. Orishich, V. B. Shulyatyev, A. G. Malikov, A. A. Golyshev

Author Affiliations +

Proceedings Volume 8963, High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications III; 89630Z (2014) https://doi.org/10.1117/12.2037477
Event: SPIE LASE, 2014, San Francisco, California, United States

Abstract

The conditions of minimal-roughness surface production were studied experimentally in the process of the oxygenassisted laser cutting with the fiber and СО₂ lasers. The coefficient of the laser radiation absorption in the cut channel during the cutting process was measured as the sheet thickness varied from 3 to 16 mm. It is demonstrated that the cutting conditions with the minimal roughness can be formulated for the two laser types with the same generalized parameters, i.e. dimensionless absorbed laser power and Peclet number (dimensionless speed). Numerical values of these parameters were found experimentally. The optimum Peclet number is 0.5 for the СО₂-laser cutting, and 0.35 when the fiber laser is used.

Citation Download Citation

A. M. Orishich, V. B. Shulyatyev, A. G. Malikov, and A. A. Golyshev "Experimental comparison of the oxygen-assist laser cutting with a fiber and CO₂-laser under the condition of minimal roughness", Proc. SPIE 8963, High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications III, 89630Z (20 February 2014); https://doi.org/10.1117/12.2037477

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