Effect of process parameters on mechanical properties of 3d printed samples using FDM process

Additive Manufacturing is also known as 3D printing is the most popular and widely used Advanced manufacturing technique, which has emerged to satisfy modern-day industrial requirements like rapid manufacturing etc. Fused deposition modelling has proved to be a better and widely used technique among all normal standard 3d printing techniques. FDM uses layer-by-layer deposition of the material for printing objects. But usually, the parts printed by the FDM technology may possess varying properties (like mechanical, surface finish, layer adhesion, etc.) which largely depends upon the various process parameters. Parameters like Layer thickness, cooling rate, and printing orientation directly affect the build time, layer adhesion, and ultimately tensile strength. Thus, proper optimization of such parameters is necessary otherwise the mechanical strength can be reduced hence, this study focuses on varying the layer thickness, print orientation, and cooling rate and analyses the tensile strength and build time for each value of the specified parameters to increase the mechanical strength, surface quality and to reduce build time. The material used here for printing is Polylactic acid (PLA) which is a commonly used material for industrial purposes. (c) 2021 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the Technology Innovation in Mechanical Engineering-2021.