Tool Offset Calculation by Crosscorrelation Function and Machining Test for Relief Map.

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  • 相互相関関数による工具オフセット計算とレリーフ模型の作成
  • ソウゴ ソウカン カンスウ ニ ヨル コウグ オフセット ケイサン ト レリー

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This paper proposes a method to generate an offset surface between a tool and an object which is covered with free form surfaces. Crosscorrelation function is used to calculate the offset surface. For calculating the discrete crosscorrelation function, the tool shape and the free surface object are represented by Voxel representation method, which usually includes quantization errors. Intermediate values are given to the cells at the surfaces of the tool and the object to reduce the quantization errors. This offset calculation method is used for machining a free form surface object that is a die for Boubure anomaly distribution map model.

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