This paper makes a research on NC machining of impeller. This paper carries out a new method of impeller manufacture after analyzing the defects of tradition manufacture.
本文对叶轮的数字化制造技术进行了研究，在分析了传统制造方法的缺陷后提出了一种新的叶轮制造流程和方法。
Experimental research on NC machining of impeller blade's surface based on reverse engineering is carried out systematically, which proves the feasibility of the method given above.
对基于逆向工程的叶轮叶片曲面的数控加工进行了系统的实验研究，证明了所提方法的可行性。
To aim at the research on cutting direction in NC machining of free-form surfaces, a simplified time model for tool trace is established, and the system of tool path programming is discussed.
针对自由曲面走刀方向数控加工的研究，建立了简化的刀具轨迹时间模型，并对路径规划的系统进行了讨论。
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