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TECHNICAL PAPERS

Tool Path-Based Deposition Planning in Fused Deposition Processes

[+] Author and Article Information
Wenbiao Han, Mohsen A. Jafari

Department of Industrial & Systems Engineering, Rutgers University, 96 Frelinghuysen Road, Piscataway, NJ 08854

Stephen C. Danforth, Ahmad Safari

Department of Ceramic & Materials Engineering, Rutgers University, 607 Taylor Road, Piscataway, NJ 08854

J. Manuf. Sci. Eng 124(2), 462-472 (Apr 29, 2002) (11 pages) doi:10.1115/1.1455026 History: Received January 01, 2000; Revised March 01, 2001; Online April 29, 2002
Copyright © 2002 by ASME
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References

Figures

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Approaches for improving part quality in the FD processes
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Terminology in vector fill pattern
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Schematic of fused deposition process
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Schematic of steady deposition state
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Speed change at a turn point
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Actual tool path vs. head speed (sample period=10 ms)
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Overfills and underfills due to vector geometry
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Cross section images of road geometry under different offsets
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Modeled deposition road geometry
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Desired deposition with offset f*
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Gap between two adjacent roads
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Bump between two adjacent roads
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Underfills due to change of vector angle (a) even layer of part 13a (b) underfilled layer of part 13b
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Underfill correlation between two adjacent layers (a) current layer of part 14a (b) next layer of part 14b
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Overfill correlation between two adjacent layers (a) current layer of part 15a (b) next layer of part 15b
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Grouping and mapping algorithm
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Grouping result for the vector in Fig. 18
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CAD/CAM procedure with deposition planning in FD process
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Nonlinear relationship between vector segment length and roller speed
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A piezoelectric actuator part designed for testing proposed approach
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Built green parts with removable base using different methods constant roller speed (0.38 counts/ms) (b) constant roller speed (0.48 counts/ms) (c) deposition planning (using varying roller speeds)
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A layer of tool path for second part
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A structural component using two different methods (a) with constant roller speed (0.41 counts/ms) (b) using deposition planning approach

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