Experimental Study of the Effect of Post Processing Techniques on Mechanical Properties of Fused Deposition Modelled Parts

Addanki Sambasiva Rao, Medha A. Dharap and J. V. L. Venkatesh
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Addanki Sambasiva Rao: Veermata Jijabai Technological Institute, Mumbai, India
Medha A. Dharap: Veermata Jijabai Technological Institute, Mumbai, India
J. V. L. Venkatesh: SGGSIE&T, Nanded, India

International Journal of Manufacturing, Materials, and Mechanical Engineering (IJMMME), 2015, vol. 5, issue 1, 1-20

Abstract: FDM (Fused Deposition Modelled) parts are chemically treated with two types of chemicals viz Dimethyl ketone (Acetone) and Methyl ethyl ketone to reduce the surface roughness. This chemical treatment method technique not only reduces surface roughness but also makes effect on strength of chemically treated parts of ABS (Acrylonitrile Butadiene Styrene) material. In this study Taguchi method of DOE (Design of Experiments) is conducted on test specimen of “tensile”, “bending” and “izod impact” components which are manufactured through Fused Deposition Modeling process using ABS-P400 material. DOE is conducted to optimize the effect of chemical treatment process parameters on strength of above specimen parts. The process parameters considered for the DOE are “different levels of concentration of chemical, temperature, time, layer thickness etc. ANOVA (Analysis of variance) is used to know the significance of contribution of each of these parameters. Results reveal that the prototypes when treated at optimum condition the tensile strength, flexural strength and izod impact strength improved significantly.

Date: 2015
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