A. Kholil, E.A. Syaefudin, A. Juniar, M.K. Rohim, S.T. Dwiyati
Currently, the use of 3D printing is growing rapidly. Uneven temperature distribution in the printing chamber causes problems such as warpage, shrinkage, geometric accuracy, and decreased mechanical properties. The proper environmental temperature is needed to produce a good part. The heated chamber is needed to regulate the temperature during the printing process. Simulation of CFD is carried out, knowing the temperature distribution inside the heated chamber. Simulations and experiments were carried out with variations in temperature of 70 °C, 80 °C, 90 °C, and 100 °C with an airflow rate of 3 m/s. The correlation of temperature distribution in a chamber between simulation and experiment was investigated. Experiments on FDM 3D Printing with 70 × 30 × 30 mm3 ABS material dimensions. Meanwhile, variations in printing orientation on the x, y, and z-axes. The results show a fit correlation between simulation and experiment. The temperature in a heated chamber has increased and the temperature distribution is even during the printing process, along with increasing temperature variations from the heater. The heat flux distribution shows different temperature variations in each part build orientation. Therefore, the orientation and temperature rise of the chamber play a pivotal role in quality. © Published under licence by IOP Publishing Ltd.
Department of Mechanical Engineering, Engineering Faculty, Universitas Negeri Jakarta, Jl. Rawamangun Muka, Jakarta, 13220, Indonesia
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