数値制御工作機械による5軸制御加工 : 工作物の接線勾配を利用した工具姿勢の決定

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  • スウチ セイギョ コウサク キカイ ニ ヨル 5ジク セイギョ カコウ コウサクブツ ノ セッセン コウバイ オ リヨウ シタ コウグ シセイ ノ ケッテイ
  • Five-axis Control Processing Using NC Machine Tools : A Tool Posture Decision Using the Tangent Slope at a Cut Point on a Work

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Description

This report deals with the way to decide tool posture and the way to analytically calculate tool path for the work shape requiring 5-axis control machining. In the tool path calculation, basic equations are derived using the principle that the tangent slope at a cut point on a work and the one at a cutting point on a tool edge are identical. A tool posture decision procedure using the tangent slope at each cut point on a work is proposed for any shape of tool edge. The valid- ity of the way to decide tool posture and the reliability of the tool path calculation is verified by the tool path simulation and test cutting of an impeller.

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