曲面細分割による工具経路生成方法(第2報) : トリムド曲面パッチへの対応

概要

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Although trimmed surface patches are useful to represent complex curved objects such as a die, and are supported by most current CAD systems, it is difficult to make tool paths rapidly and stably based on the trimmed surface patches. The reason is that a trimmed surface patch is defined generally on a parametric domain trimmed by free-form curves and it is difficult to recognize available portions of trimmed surfaces. In the previous report, a method for tool path generation with surface subdivision using bounding spheres was proposed, by which tool paths could be made based on a surface model rapidiy and stably. In this paper, the previously proposed method is extended to process trimmed surface patches. Thus, it is shown that tool paths can be generated for trimmed surface patches keeping advantages of the previous method.
公益社団法人精密工学会の論文
2000-04-05