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Merging and smoothing machining boundaries on cutter location surfaces

Li, Weishi, Martin, Ralph Robert and Langbein, Frank Curd 2010. Merging and smoothing machining boundaries on cutter location surfaces. Presented at: 14th ACM Symposium on Solid and Physical Modeling, Haifa, Israel, 1-3 September 2010. Published in: Keyser, John and Kim, Myung-Soo eds. Proceedings of the 14th ACM Symposium on Solid and Physical Modeling, 1-3 September 2010, Haifa, Israel. New York: ACM, pp. 165-170. 10.1145/1839778.1839803

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Abstract

In region machining, neighbouring regions may be close together, but disconnected. Boundary curves may also have unwanted geometric artifacts caused by approximation and discretisation. We present a strategy to improve the topology and geometry of such boundary curves, allowing the generation of better tool paths, and in turn, improved tool wear and surface quality of the machined part. We make such improvements in three steps: firstly, disconnected regions are merged where appropriate, using a method based on morphological operations from image processing. Secondly, boundary segments with undesirable geometric properties are identified and replaced by simpler segments, using a vertex deletion operation. Finally, flaws at a smaller geometric scale are removed, using a curve shortening algorithm. Experimental results are given to illustrate our algorithm.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Computer Science & Informatics
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Publisher: ACM
ISBN: 9781605589848
Last Modified: 04 Jun 2017 02:53
URI: http://orca-mwe.cf.ac.uk/id/eprint/13252

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