With adequate value within the range of max safe constant,high quality machining surface and high machining efficiency can be achieved in the machining.

• 在最大安全恒定进给速度范围内,选择合适的进给速度,既能使加工表面粗糙度均匀,保证加工表面质量,同时又能获得较高的高速加工效率。