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Author Tseng, Y -J. Sue, Y -R. Institution Yuan Ze Univ, Taoyuan Hsien, Taiwan
Source International Journal of Production Research. v 37 n 1 Jan 10 1999. p 49-72.
Abstract A free-form solid is defined as a solid with free-form surfaces as the boundary. To generate the information required for process planning, the free-form solid can be approximated with a set of cubic blocks in organized sizes using octree decomposition. The intersecting property between the free-form solid and the subdivided cubic blocks is used to determine further subdivisions. The subdivision proceeds until the cubic blocks are completely separated as full cubes and empty cubes within a specific accuracy. The set of full cubes represent the volume of the final part. The set of empty cubes represents the volume to be removed by machining. These cubic blocks ordered in various sizes can be used to select proper cutting tools. [References: 16] XX