Abstract
Fused Deposition Modeling (FDM) is one of the Additive Manufacturing (AM) technology. Ultrasonic-assisted FDM system has been proven to improve the mechanical properties of the printed specimens. This study aims to explore the uniformity of the amplitude of ultrasonic vibration that was used during the printing process. The uniformity of vibration affected the improvement of the mechanical properties of the 3D printed part. If there is a bad uniformity of ultrasonic vibration, it will influence and increase the variation of the tensile test result. An open-source FDM printer attached with the piezoelectric transducer in various locations of the printer platform was set up. Five different positions and numbers of piezoelectric transducer were set up in order to determine the best position and number of the piezoelectric transducer for transmitting the vibration uniformly to the printing platform. A laser scanning vibrometer was used to determine the amplitude of ultrasonic vibration that transmitted over the printing platform of an open-source FDM 3D printer. From the results, it shows that with two piezoelectric transducers at “Position 4” improved the uniformity of ultrasonic vibration as it had the lowest standard deviation. The test also revealed that the ultrasonic vibration effect uniformly on the 3D printed specimens. In addition, it also reduces the variation and provide better tensile test results of the printed specimens
Highlights
Fused Deposition Modeling (FDM) is a process that able to effectively print a part with the high complexity of shape in a short time [1]
This study aims to explore the uniformity of ultrasonic vibration on the printing bed of the open-source FDM 3D printer
After the five different positions were determined, the amplitude of the vibration was measured at the 36 points that marked on the printing platform
Summary
Fused Deposition Modeling (FDM) is a process that able to effectively print a part with the high complexity of shape in a short time [1]. FDM technology was developed by Scott Crump (founder of Stratasys), which is easy to use, clean and user friendly process [2], [3]. FDM is broadly utilized in various industries area which used for 3D printing a prototype, modeling and end-user product [2]. FDM acts as an important role in education areas that provide the education of graphic design and the courses of rapid prototyping [4].
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