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An algorithm for disintegrating large and complex rapid prototyping objects in a CAD environment

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Abstract

A CAD application tool kit interfacing with a Unigraphics (UG) system was developed for disintegrating large and complex rapid prototyping objects into smaller and simpler components which can be fabricated by a rapid prototyping system. As the core of the tool kit, the algorithm of such disintegration is described in detail in this paper. The algorithm combines the flat planar parting method and feature-based volume decomposition. Due consideration is also given to the optimisation of the surface accuracy, the build time, and the strength and number of segments generated. Based on the algorithm and the CAD application tool kit, the disintegration of two RP objects was realised in a selective laser sintering system.

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Authors and Affiliations

  1. Singapore-MIT Alliance, National University of Singapore, E4-04-10, 4 Engineering Drive 3,, Singapore, 117576

    Y. Tang & H.T. Loh

  2. Department of Mechanical Engineering, National University of Singapore, Engineering Drive 1, Singapore, 117576

    J.Y.H. Fuh, Y.S. Wong & S.H. Lee

Authors
  1. Y. Tang
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  2. H.T. Loh
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  3. J.Y.H. Fuh
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  4. Y.S. Wong
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  5. S.H. Lee
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Corresponding author

Correspondence to Y. Tang.

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Tang, Y., Loh, H., Fuh, J. et al. An algorithm for disintegrating large and complex rapid prototyping objects in a CAD environment. Int J Adv Manuf Technol 25, 895–901 (2005). https://doi.org/10.1007/s00170-003-1913-6

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  • DOI: https://doi.org/10.1007/s00170-003-1913-6

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