Abstract

The objective of the present work is the study of Polylactic Acid (PLA) filament properties on final quality of Fused Filament Fabrication (FFF) parts. The main operating parameters of the FFF process are taking in account, identifying important correlations between PLA properties and part performances. A commercial low-cost FFF machine was selected for realizing investigated parts. The quality of the products is evaluated in terms of mechanical strength and linear temperature expansion coefficient. The experimental activity and related testing of products are fully described.

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