On the Computation Of Part Orientation Using Support Structures in Layered Manufacturing

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Allen, Seth
Dutta, Deba

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During the construction of an object by layered manufacturing, it might be necessary to build external supports either to prevent the object from toppling, or to support floating components and overhanging material. The support structures, if necessary, must be built simultaneously with the object, and hence must be accounted for in the path planning of the laser beam or the deposition nozzle. In this paper, we find the best direction offormation of an object by layered manufacturing process that allows the use of support structures. In the orientation determined by the best direction offormation, the object is constructible with a minimal support structure, is stable, and rests on a planar base. Implementation results are also included.


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