Laser Cutting of Brass Sheet

Author:

Fábián Enikő Réka1,Czigány Bence2

Affiliation:

1. Óbuda University , Bánki Donát Faculty of Mechanical and Safety Engineering Faculty , Institute of Materials and Manufacturing Sciences , Material Science and Deformation Engineering Department , Budapest , Hungary

2. Bay Zoltán Nonprofit Ltd. for Applied Research, Production Division , Department of Production Development , Budapest , Hungary

Abstract

Abstract Laser cutting of copper-based alloy sheets is very difficult due to their high reflectivity, which can be modified with graphitization. The optimal parameters for a 2.5 mm thick brass sheet were determined by examining the laser beam parameter variations and the laser cut kerfs. The best characteristics of kerfs were obtained when the surface was graphitized, the laser frequency was 200 Hz, the applied laser speed was 1400mm/min on 2500 W power and the focal point was under the surface by 0.8 mm. The applied working gas was nitrogen.

Publisher

Acta Materialia Transylvanica

Subject

Anesthesiology and Pain Medicine

Reference14 articles.

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2. [2] Teregulov N. G., Sokolov B. К., Matveeva V. S.: Quality of the processed surface during laser cutting and its control. Kumertau Aviation Industrial Enterprise Institute, 2007.

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4. [4] John Powell: CO2 Laser Cutting. Springer. USA, 1993.10.1007/978-1-4471-3384-1

5. [5] Narendra B. Dahotre, Sandip P. Harimkar: Laser Fabrication and Machining of Materials. Springer. USA, 2008. 193–196.

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