An Approach to Building a Specialized CNC System for Laser Engraving Machining

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An analysis of laser-dotted engraving technological specifics and laser-impulse machines control problems is presented. The main problem for material processing with impulse laser emission is the necessity to maintain the impulse frequency in a fixed interval. Any violation of this interval isn't allowed, because it leads to significant energy dispersion between impulses and, as a result, to uneven material processing. The traditional control method with impulse confirmation waiting could be realized in any NC System. However, it leads to performance loss and incomplete use of machine capabilities. An approach is developed via impulse processing control based on the combination of advance NC blocks scanning method and speed profile adaptation for impulse frequency limit conditions. Experiments show that the developed approach allows to greatly increase the processing speed compared to the method with impulse confirmation waiting. The performance increase up to 30-50% is achieved; whilst the quality of processed details is maintained. The efficiency of the developed approach is supported by associated tools for the optimization and analysis of control program.




Martinov, G. M., Obuhov, A. I., Martinova, L. I., & Grigoriev, A. S. (2016). An Approach to Building a Specialized CNC System for Laser Engraving Machining. In Procedia CIRP (Vol. 41, pp. 998–1003). Elsevier B.V.

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