Abstract
The main objective of this study is to investigate the micro-milling performance of the AISI H13 with different process parameters namely laser power, scan speed, frequency, and fill spacing using 30W fiber laser marking machine and to find the optimal operation conditions for minimum surface roughness and maximum milling depth. The 108 different combinations occurred with the interaction of each level of the parameters used in this study. Therefore, the main contribution of this paper to the related literature is that it produces new evidence regarding the effects of the multi-scan times on both surface roughness and milling depth. The experimental results are showed that 0.03 mm of fill spacing, the highest scan speed (800 mm/s), lowest frequency (20 kHz), and laser power (60%) produced better surface roughness, which is 1.75 μm. The deeper cavity on the geometry is obtained under the experimental combination as 200 mm/s of scan speed, 0.02 mm of fill spacing, 60% of laser power, and 40 kHz of frequency, which is 195 μm. The regression analysis was used to develop a mathematical model and determine the effect of process parameters on the surface roughness and milling depth. The results of subsequent tests verifies regression models.
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Saklakoglu, I.E., Kasman, S. Investigation of micro-milling process parameters for surface roughness and milling depth. Int J Adv Manuf Technol 54, 567–578 (2011). https://doi.org/10.1007/s00170-010-2953-3
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DOI: https://doi.org/10.1007/s00170-010-2953-3