Modeling and Analysis of Delta Kin-ematics FDM Printer

Zakharov, 4.O.; Pugin, K.G.; Ivanova, T.N.

Авторы: Zakharov 4.O.V, Pugin K.G., Ivanova T.N.
Журнал: Journal of Physics: Conference Series
Год издания: 2022
Издательство: IOP Publishing
Местоположение издательства: [Bristol, UK], England
DOI: 10.1088/1742-6596/2182/1/012069
Аннотация: Additive manufacturing makes it possible to speed up the process of manufacturinga product using a CAD model many times over. This advantage is effectively used in the manufacture of small batches of products with complex surfaces in the automotive and aviation industries. Improvements in printers are needed to improve accuracy and productivity. Traditionally, delta kinematics are considered to have advantages over sequential linear kinematics dueto their high travel speed and relatively low cost. However, delta kinematics has received limited application, mainly for personal FDM printers. The article attempts to understand the advantages and disadvantages of delta kinematics for use in 3D printers. For this, the displacements and velocities were simulated for four examples of motion trajectories. The analysisshowed that the average speed of movement of the extruder is approximately equal to, and insome cases less than the linear speeds of movements along the rods. At the same time, to ensure a uniform speed of the extruder, significant accelerations are required along the individualrods. This leads to vibrations and ultimately limits the maximum speeds.
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