This paper proposes an approach to determining pull directions of an undercut region using the visibility map algorithm. A number of pull direction candidates are firstly generated and projected onto a spherical surface using a regular placement algorithm. The normal directions of undercut faces are then extracted and used to eliminate unwanted pull direction candidates. A group of pull directions are finally selected and used to design a side core mechanism in the design of an injection mould. Furthermore, one point at the center of the group is chosen to represent the pull direction of the undercut region.
|MATEC Web of Conferences
|Published - 31 Oct 2016
|2016 International Conference on Design, Mechanical and Material Engineering, D2ME 2016 - Auckland, New Zealand
Duration: 8 Sept 2016 → 10 Sept 2016