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Cutting area extraction from a Z-map model

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Abstract

A method for boundary extraction of cutting area is presented. With this method, the compound surfaces are approximated by the Z-map model to address the issues regarding cutting area generation. The run-length code is constructed to represent the object area in each cutting layer. A boundary tracing algorithm extracts boundaries by sequentially linking nodes according to the connectivity information of runs. The formed boundaries are sorted and arranged in a boundary representation tree representing the topological structure of the cutting area in the cutting layer. The presented method, simple and effective, has the capability of automatic recognition of contours and islands. The experimental NC machining results demonstrate the feasibility of the algorithm.

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Authors and Affiliations

  1. Center for Computer-Aided Design, School of Mechanical Science & Engineering, HuaZhong University of Science and Technology, Wuhan, Hubei, 430074, People’s Republic of China

    Jian-Zhong Yang, Qi-Fu Wang, Zheng-Dong Huang & Gang Chen

Authors
  1. Jian-Zhong Yang
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  2. Qi-Fu Wang
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  3. Zheng-Dong Huang
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  4. Gang Chen
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Correspondence to Jian-Zhong Yang.

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Yang, JZ., Wang, QF., Huang, ZD. et al. Cutting area extraction from a Z-map model. Int J Adv Manuf Technol 33, 1010–1016 (2007). https://doi.org/10.1007/s00170-006-0528-0

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  • DOI: https://doi.org/10.1007/s00170-006-0528-0

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