3D Print Continuation Process Parameter Setting to Optimize the Tensile Strength

- Herianto, Muhammad Ridwan Setyawan, Hasan Mastrisiswadi


The research on the tensile strength of the product that has been continued is very limited. Therefore, this study aims to find out the relationship between the results of the continuation process with its tensile strength, even further to find out how to set the parameters of the continuation process so that the optimum connection’s tensile strength is obtained. The printing process is carried out using polylactic acid (PLA) 1.75 mm material and C01 (Centra Teknologi Indonesia Corp.) 3D printer machine type Fused Deposition Modelling (FDM). Meanwhile, the G-code ASTM D638 Type V was modified to stop and resume the printing process for the continuation process. The results of the continuation process are then tensile-tested with HT-2402 (HungTa-brand testing machine). The tensile test data is processed using variance analysis (ANOVA) to determine the relationship between tensile strength and setting the connection process parameters. In comparison, the response surface method (RSM) is used to optimize the tensile strength. Parameters that influence the tensile strength of the continuation process are temperature, printing speed, number of layers, and overlap. In contrast, the interaction between parameters has not been proven to affect the tensile strength of the connection. The parameter setting to get the optimal connection's tensile value is an overlap of 0.4 mm, printing temperature of 195oC, the printing speed of 20 mm/s, and 6 number of layers.


FDM; continuation process; RSM; PLA; tensile strength.

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DOI: http://dx.doi.org/10.18517/ijaseit.12.1.13973


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