Multi-Direction Slicing for Layered Manufacturing

[+] Author and Article Information
Prabhjot Singh, Debasish Dutta

Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109-2125

J. Comput. Inf. Sci. Eng 1(2), 129-142 (Mar 01, 2001) (14 pages) doi:10.1115/1.1375816 History: Received August 01, 2000; Revised March 01, 2001
Copyright © 2001 by ASME
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(a) Model with an overhanging feature; (b) supports for the model
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Multi-direction deposition machine
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(a) Model with the build direction; (b) front view of the model; (c) an insert showing the normals on the surface of the model which make an angle greater than the permitted build angle
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Sweeping the unbuildable face
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(a) The model with the build direction; (b) Front view of the model; (c) An insert showing the area enclosed by sweeping AB; (d) Inaccurate estimation of the buildable volume
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(a) Model with silhouette curves; (b) part which can be built; (c) Part which cannot be built along B
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(a) The model; (b) the decomposition of the volume
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Possible collision with the deposition table if the initial build direction is not along the +Z direction
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(a) Sample part; (b) unbuildable face; (c) buildable face; (d) unbuildable part
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Build map determination
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Construction of the build map
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Two cases in which the build map is NULL
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(a) Model; (b) decomposition; (c) build map of the neighborhood
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(a) The model; (b) The decomposition with the transition zone, T; (c) Slices of the transition zone
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Division of a part into Regions 1 and 2
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(a) Model; (b) Decomposition; (c) Supports
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(a) Model; (b) Decomposition tree; (c) Supports




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