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Author Alexander, P. Dutta, D. Institution Univ of Michigan, Ann Arbor, MI, USA
Source Computer-Aided Design. v 32 n 3 2000. p 175-189.
Abstract Sheet surfaces are commonly used in design to represent thin-walled surfaces. A method of manufacturing these surfaces via layered manufacturing (LM) using local wall thickening is presented. By considering the accuracy of only one side of the surface important, the need for support structured can be removed by thickened regions on the unimportant side. This preserves the accuracy of the accurate side while reducing the total material used and build time during manufacture. A method of selecting an orientation to maximize the accuracy of the important side while minimizing the amount of wall thickening is presented. Also, algorithms for locally thickening the surface and generating slices for manufacturing on a LM machine are developed. Finally, several examples are manufactured using the proposed method to compare material and build time savings over conventional support methods. (Auth abstract) [References: 17] XX