Iranian Journal of Manufacturing Engineering

Iranian Journal of Manufacturing Engineering

Investigating the influencing parameters on the surface roughness of polymer parts made by Fused Deposition Modeling with respect to laser polishing

Document Type : Original Article

Authors
Seyed Morteza Mousavi 1
Seyed Morteza Mousavi 2
Mohammad Reza Movahhedy 3
1 MSc Student, Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
2 PhD Student, Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
3 Professor, Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
10.22034/ijme.2024.437063.1921
Abstract
The fused deposition modeling process is an advanced manufacturing technique that builds parts layer_by_layer. Due to the layered construction, printed parts with this process have low surface quality and poor dimensional accuracy. high surface roughness limits the use of these parts in many fields of application such as aerospace and medicine, which require high precision and quality. Laser polishing is an emerging industrial process that can improve surface quality. correct selection of laser parameters greatly reduces the cost and time of surface treatment of additive manufacturing parts. In this research, the effect of 3D printer parameters and surface angle of the produced samples on the surface roughness of the parts was studied separately. The effect of each printing parameters is explained by drawing a thermal map and layering thickness is introduced as the most important parameter affecting the surface roughness. Also, the process of roughness changes is evaluated based on the angle of the printed surface in the form of a diagram. Then, the relationship between printing parameters and the geometric shape of printed parts with selected laser parameters was presented to achieve the best surface quality.
Keywords
Additive Manufacturing
Laser Polishing
Surface Roughness
FDM
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