Abstract:
Additive Manufacturing (AM) is a useful technology for production processes of many industries
with high future potentials. Fused Deposition Modeling (FDM) is a widely used technique of
AM. FDM machines are now extensively used for functional use parts manufacturing. It is
needed that FDM parts have better strength, quality and surface finish. This work aims to
describe the optimum process parameters that can be used to produce parts with better
dimensional accuracy, strength and surface finish. Test parts were fabricated with different factor
levels of layer thickness, fill density and fill speed. Taguchi design of experiment and desirability
function analysis were used to inspect the optimum factor levels for parts manufacturing. The
optimum factor levels for dimensional accuracy, surface roughness and flexural strength were
different from each other. Optimum process factors levels for maximization of flexural strength
and minimization of surface roughness and dimensional accuracy were determined and used to
produce parts for validating the experimental results.
