采用计算机控制的钻铣法可以获得更高轻量化程度及几何精度的镜坯 ，并能得到较高的加工效率。
Better working efficiency and higher lightweightting grade have been achieved by CNC machining for large lightweightted mirror substrate.
讨论了利用有限元单元法对高速铣齿机床主轴箱的结构进行分析及优化设计的方法。
It presents the method applying FEA to the structure analysis of the spindle box of milling machine.
为提高整体叶轮叶片数控加工的效率和质量，提出了一种分片侧铣加工法。
To improve the efficiency and quality for numerical control of machining of integral impellers, a new method, i. e. flank milling on divided pieces, was put forward.
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