Using fuzzy mathematic, the spindle of machine tool is optimized with the object of the minimum weight, the size, static and dynamic constrains.

• 采用模糊数学的方法对某机床主轴的截面尺寸进行了优化设计,在满足主轴的静态特性、动态特性和尺寸约束的条件下,使得机床主轴质量最小。