Cuttable ruled surface strips for milling

This paper proposes a novel pre-processing method for industrial robotic CNC-milling. The method targets a hybrid machining process, in which the main bulk of material is removed through robotic hot or abrasive wire cutting, after which regular CNC-machining is employed for removal of the remaining material volume.Hereby, the roughing process is significantly sped up, reducing overall machining time.We compare our method to the convex hull and remove between 5 % and 75 % more material; on most models we obtain a 50 % improvement.Our method ensures that no overcutting happens and that the result is cuttable by wire cutting.

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