基于复杂曲面侧铣加工误差计算，提出了一种曲面能否通过侧铣实现高精度加工的判定方法，该方法适用于任意直纹和非直纹曲面。侧铣加工误差为待加工理论曲面与刀具运动包络曲面之间的距离，在此基础上，应用整体最优刀具路径下的最大几何偏差进行曲面可侧铣判定依据。数值仿真算例表明：该方法不仅能够有效地判定曲面能否侧铣，同时能够输出满足误差要求的最优刀具路径，加工实验也表明该方法能够极大地提高加工效率。%Based on the computation of flank milling , an approach was proposed to determine whether complex surfaces could be manufactured by flank milling .The proposed method was suitable for flank milling of any ruled or non-ruled surfaces .The flank milling error was computed by the signed distance between the design surface and the envelope surface .On this basis , the maximum error for the optimum tool path was applied as the flank milling condition to satisfy the machining accuracy requirement .The numerical examples indicate that the proposed method can determine whether the tool path is suitable for flank milling of impeller blades , and simultaneous-ly the optimum tool path can be generated .The experiments show that the machining efficiency can be greatly improved .
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