A simplified benchmarking model for the assessment of dimensional accuracy in FDM processes
by Nathan Decker; Albert Yee
International Journal of Rapid Manufacturing (IJRAPIDM), Vol. 5, No. 2, 2015

Abstract: As the number of applications for additive manufacturing has increased in recent years, so has the number of benchmarking objects used in the assessment of additive manufacturing processes. These objects enable the assessment of printer and material performance in a number of areas, one of which is dimensional accuracy. Many of these objects, however, take considerable time and material to produce. Further, a large proportion of the volume of these test objects does not directly contribute to the assessment of dimensional accuracy. This paper proposes a new benchmarking object that addresses these issues. The object proposed in this paper is compared with two other commonly used benchmarking objects in the areas of mass, print time, volume, proportion of volume dedicated to measurable test features, and feature quantity. Further, conditions under which a simplified benchmarking object might be employed are evaluated.

Online publication date: Sat, 12-Dec-2015

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