Feature Based Fabrication in Layered Manufacturing

[+] Author and Article Information
Xiaoping Qian, Debasish Dutta

Department of Mechanical Engineering, The University of Michigan, Ann Arbor, MI 48109e-mail: xpqian/dutta@engin.umich.edu

J. Mech. Des 123(3), 337-345 (Nov 01, 1999) (9 pages) doi:10.1115/1.1377282 History: Received November 01, 1999
Copyright © 2001 by ASME
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Comparison of various slicing methods: (a) uniform slicing; (b) adaptive slicing; (c) local adaptive slicing; (d) region-based slicing; (e) feature-based slicing
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Staircase effect and different deposition situations: (a) staircase effect; (b) excess deposition; (c) deficient deposition
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Staircase interaction: (a) excess+excess; (b) deficient+deficient; (c) deficient+excess; (d) deficient+excess
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Staircase interaction for features with different build directions
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Feature interaction edge and feature interaction loop: (a) simple FIL; (b) compound FIL; (c) FIE
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Simple FIL and FIL cluster
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Compound FIL and FIL cluster
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Subtractive feature, surface feature and feature interaction surface: (a) subtractive feature; (b) surface feature
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FIV eliminating staircase interaction: (a) features with same build direction: (b) features with different build directions
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Processing of feature interaction
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FIL cluster forming algorithm
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FIL projection and volume forming
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Non-closed volume merging: (a) same build direction; (b) different build direction
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FIS enabling volume decomposition: (a) same build direction (Za=Zb); (b) Za!=Zb
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Staircase interaction free volume decomposition algorithm
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Staircase interaction with/out vertical parting surface: (a) overlap in excess-excess deposition; (b) void in deficient-deficient deposition: (c) void in excess-deficient deposition (d) overlap in excess-deficient deposition; (e) compatible deposition
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Staircase interaction testing part: (a) test part; (b) a strip of overlap/void area in excess-excess/deficient-deficient deposition
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Front views of testing part with visible dimensional defects: (a) a strip of void in deficient-deficient deposition; (b) a strip of protruded area in excess-excess deposition
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Example 2 (with FIVs): (a) example part 2; (b) features in the part; (c) exploded view of decomposed RFVs and FIVs
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Time comparison of two fabrication methods: (a) uniform deposition; (b) localized deposition
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Benchmark part for time comparison of two fabrication methods: (a) uniform fabrication; (b) localized fabrication



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