Abstract
The article presents and evaluates three methods for upgrading Roll Powder Sintering (RPS) additive manufacturing technology (AMT). All innovative methods are designed so as to improve the properties of the objects shaped with RPS. Moreover, newly designed techniques produce the results of higher quality and are faster than previously used techniques. Method 1, the new ribbon perforation algorithm provides more space for the powder in the support stripe and lower laser beam frequency modulation. It not only reduces the amount of the support stripe used in a component roll, but also reduces its compression rate by about 2 times. The method 2 proposed technique improves the quality and increases the velocity of filling a support ribbon with powder by 1.6 times. The method 3 helps to increase the amount of powder in a component roll by increasing the consolidation and the fluidity of powder. The results indicate that the new methods can be integrated in a perforation and powder filling systems for enhanced RPS machines.
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