中文摘要：

阐述了复杂型腔高速铣削拐角加工问题。搜集了国内外对型腔高速铣削拐角加工问题的研究资料，描述了型腔拐角加工的研究现状。分别对高速铣削过程中拐角工艺参数优化、数控系统优化和刀具轨迹优化的优缺点进行了分析。

英文摘要：

Disadvantaged phenomenon of machining at pocket corner is described. Academic theses about high speed milling at corner both at home and abroad are collected and analyzed. Three corner optimizations based on processing parameters, CNC system and tool path are evaluated.