指出了飞机部件装配时进行精加工的重要性和必要性。
The importance and necessity in assembling aircraft component are pointed out.
现行的精加工方法有许多弊端，致使装配配研量大、运动精度保持性低。
These parts require a higher motion precision and precision durability. The existing finishing cutting methods have many shortcomings.
该数控系统在保证良好的实时性、稳定性，满足高精加工要求的同时，具有良好的开放性、人机界面与网络支持。
The nc System provides good performance of real-time and robustness and meets high precision requirement. Meanwhile, it has good openness, man-machine interface and network support.
不同表面质量的连杆盐雾试验对比表明：镀前对汽车减振器连杆进行表面超精加工可显著提高连杆的耐蚀性。
The salt spray test results of piston rods with different surface qualities showed that superfinish process of piston rods before plating can improve corrosion-resistance of piston rods significantly.
采用超精加工的镀铬光轴，增强耐磨性和平稳性；
Strong at abrasion by adopting super-finished Cr-coated shaft.
而长期以来，一直困惑自由曲面精加工取得实质性突破的关键问题之一，就是加工工具的运动位姿控制问题。
But for a long time, one of the key questions which puzzled free surface precision machining obtaining substantive breakthrough, is machining tool's movement pose control problems and so on.
本实用新型具有通用性强、工件的内径无须精加工的特点。
The utility model has the advantages that versatility is strong and the internal diameters of work pieces need not refined machining.
超精加工机床辊子装置的计算都具有近似性，很难估算计算误差，讨论了无心超精加工机床加工外凸滚子成形时机床辊子的解析解。
Since with common calculation method, the calculated value of feeder shaping roller of ultra-accuracy grinder is approximate, it is hard to estimate its calculation error.
超精加工机床辊子装置的计算都具有近似性，很难估算计算误差，讨论了无心超精加工机床加工外凸滚子成形时机床辊子的解析解。
Since with common calculation method, the calculated value of feeder shaping roller of ultra-accuracy grinder is approximate, it is hard to estimate its calculation error.
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