Optimization of Surface Roughness from Different Aspects in High-Power CO2 Laser Cutting of AA5754 Aluminum Alloy

2019 ◽  
Vol 44 (12) ◽  
pp. 10245-10256 ◽  
Author(s):  
Predrag Janković ◽  
Miloš Madić ◽  
Miroslav Radovanović ◽  
Dušan Petković ◽  
Srđan Mladenović
Keyword(s):  
Surface Roughness ◽  
Aluminum Alloy ◽  
Co2 Laser ◽  
High Power ◽  
Laser Cutting

Effect of cutting conditions on surface roughness of machined parts in CO2 laser cutting of pure titanium

2021 ◽  
Author(s):  
M. Boujelbene ◽  
B. El Aoud ◽  
E. Bayraktar ◽  
I. Elbadawi ◽  
I. Chaudhry ◽  
...  
Keyword(s):  
Surface Roughness ◽  
Co2 Laser ◽  
Laser Cutting ◽  
Pure Titanium ◽  
Cutting Conditions ◽  
Machined Parts

Surface roughness analysis and improvement of PMMA-based microfluidic chip chambers by CO2 laser cutting

2010 ◽  
Vol 256 (6) ◽  
pp. 1675-1678 ◽  
Author(s):  
Yongguang Huang ◽  
Shibing Liu ◽  
Wei Yang ◽  
Chengxin Yu
Keyword(s):  
Surface Roughness ◽  
Co2 Laser ◽  
Microfluidic Chip ◽  
Laser Cutting ◽  
Roughness Analysis

scholarly journals The Impact of Process Parameters on Surface Roughness and Dimensional Accuracy during CO2 Laser Cutting of PMMA Thin Sheets

2021 ◽  
Vol 5 (3) ◽  
pp. 74
Author(s):  
Konstantinos Ninikas ◽  
John Kechagias ◽  
Konstantinos Salonitis
Keyword(s):  
Surface Roughness ◽  
Co2 Laser ◽  
Laser Cutting ◽  
Dimensional Accuracy ◽  
Fractional Factorial ◽  
Strong Interactions ◽  
Thin Sheets ◽  
Anova Analysis ◽  
Average Roughness ◽  
The Impact

This study investigated the impact of the laser speed and power, and the position and orientation of the samples, on the average surface roughness (Ra) and dimensional accuracy (DA) during CO2 laser cutting of polymethyl methacrylate (PMMA) thin sheets. A mixed five-parameter fractional factorial design was applied, and thirty-six measurements for the Ra and DA were obtained. The experimental results were analysed using ANOM diagrams, ANOVA analysis and interaction plots of all parameters. It was concluded that the laser speed is the critical parameter for both surface roughness and dimensional accuracy, resulting in strong interactions with laser power and positioning parameters. It was also shown that Ra values are affected by the orientation of the specimen and can be minimized when the samples are aligned in the laser travel direction. Finally, it was proved that lower laser speed improves the average roughness but reduces the dimensional accuracy.

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