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所属单位：南京航空航天大学

教研室：组合电加工技术研究室

发表刊物：Chinese Journal of Aeronautics

刊物所在地：中国

项目来源：企业项目

关键字：Blisk; Electrical discharge machining (EDM); Electrode; Objective functions; Trajectory generation

摘要：Numerical control electrical discharge machining (NC EDM) is one of the most widely used machining technologies for manufacturing a closed blisk flow path, particularly for three-dimensional(3D) curved and twisted flow channels. In this process, tool electrode design and machining trajectory planning are the key factors affecting machining accessibility and efficiency. Herein, to reduce the difficulty in designing the electrode and its motion path in the closed curved and twisted channels, a heuristic search hybrid optimization strategy based on channel grids is adopted to realize the initial electrode trajectory design search and optimized size reduction. By transferring the trajectory optimization constraints from the complex free-form surface to numbered grids, the search is found to be more orderly and accurate. The two trajectory indicators, namely argument angle and minimum distance, are analysed separately for the optimized results of the adaptive learning particle swarm op

论文类型：期刊论文

学科门类：工学

一级学科：机械工程

文献类型：J

卷号：35

期号：4

页面范围：473-484

是否译文：否

发表时间：2022-01-18

收录刊物：SSCI

合写作者：仇熠聪