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发明授权
CN105518550B 工具路径评价方法、工具路径生成方法及工具路径生成装置 有权

工具路径评价方法、工具路径生成方法及工具路径生成装置
摘要：
一种工具路径评价方法，是对旋转工具(T)一面相对于工件(W)相对移动一面加工工件(W)时的工具路径进行评价的工具路径评价方法；其中，包含计算工序和判定工序；该计算工序，基于预先决定的目标工具路径(R1)和依照目标工具路径(R1)进行加工前的工件(W)的形状，计算与工具旋转轴线交叉的旋转工具前端的底面部分(TB)中的、被预测为在依照目标工具路径(R1)进行加工的过程中实际与工件(W)接触的接触区域(AT)的大小；该判定工序，在接触区域(AT)的大小在目标工具路径(R1)的任意的场所超过预先决定的阈值的场合，判定目标工具路径(R1)不恰当。
摘要（英）：

A toolpath evaluation method for evaluating a toolpath traveled by a rotating tool (T) when the rotating tool (T) machines a workpiece (W) while moving relative to the workpiece (W), said toolpath evaluation method including: a calculation step for, based on a predetermined target toolpath (R1) and the shape of the workpiece (W) before the workpiece (W) is machined by moving the rotating tool along the target toolpath (R1), calculating the dimensions of a contact area (AT) of the bottom surface portion (TB) of the rotating tool where the bottom portion (TB) is predicted to be in contact with the workpiece (W) when the workpiece (W) is actually machined by moving the rotating tool along the target toolpath (R1), said bottom surface portion (TB) intersecting the rotational axis line of the tool; and a determination step for determining that the target toolpath (R1) is inappropriate if the dimensions of the contact area (AT) exceed predetermined threshold values when the rotating tool is positioned at any location along the target toolpath (R1).

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