Abstract
AbstractImprovement of part surface quality and geometric accuracy by modifying slicing procedure in RP has been a major concern. Reduction in build time and enhancement of part surface quality are two factors which contradict with each other as decreasing build time detracts part quality because of staircase effect. There have been a number of attempts to tackle this problem by using adaptive slicing procedures in which slice thickness is determined by the local part geometry and RP machine specifications. A geometrical parameter known as cusp height is limited to a pre-specified value in various existing adaptive slicing procedures, which is defined for rectangular or sloping edge profiles only. In another approach, relative change in areas of successive slices have been considered as criterion to adaptively slice CAD models but this method has limitation as local geometry of part is not taken into consideration. Therefore, in the present work, a slicing procedure is presented in which statistical surfa...
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