Abstract
The effect of the laser and the optomechanical parameters in the micromachining process of the complex geometry is the challenging part in the manufacturing industry due to wide range of materials. There are limited ways to find the best process parameters for machining and texturing with specific depth, thickness and roughness. The COMSOL software was used to model all the laser parameters like laser power, sampling rate, and optomechanical parameters like pulse overlap. Presented simulation demonstrates the roughness, depth and thickness of machined path. In addition, from the simulation point of view, the laser and optomechanical parameters can be optimized for the specific depth and thickness. To validate the numerical model, experiments are conducted for different process parameters by changing the laser power, varying the sampling rate of the laser and data acquisition card, changing the pulse overlap and the results are tabulated. Also the same input parameters are given to numerical simulation and the results are in good agreement with experimental outcomes. In conclusion, the simulated model can be used to estimate the effect of the process parameters before the machining. So that the presented model has the control over the machined surface quality and the process can be optimized by giving different material properties in the simulation.
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