Plain Analysis of Cutter Electronic Auto-control System Transformation on Billet Continuous Machine 方坯连铸机切割系统电气自动控制改造
The definitions and computing method about plain direction of local and global area on a specific surface are given, which are based on the computing cutter position on NC machining practice. 从数控加工的实际出发提出了曲面微观、宏观平坦方向这一概念产生的必要性,给出了它们的定义及计算方法。