毕竟相对五轴加工中心来说，三轴机床只有X YZ三个直线轴，结构简单，在加工工件时，刀轴方向不会改变，运动方式有限，编程也相对简单；而五轴加工机床从表面看

I. Five-axis machine structure features and working principle 1. Definition of five-axis: a machine tool with at least five coordinates, respectively, three linear coordinates and two rotary coordinates, and five axes. 2. Five-axis machining features: 1.