一般而言，磨削被认为是一种通常用于获得高尺寸精度和较好表面光洁度的精加工作业。
Generally, grinding is considered to be a finishing process that is usually used for obtaining high-dimensional accuracy and better surface finish.
并将孔与平面的加工明确划分成粗加工和精加工阶段以保证加工精度。
Plane with holes and the processing clearly divided into roughing and finishing stages of processing to ensure accuracy.
使用CCD成像的机器视觉系统进行精加工零件尺寸检测时，图像轮廓边缘的亚像素定位分析是决定测量精度的一个重要因素。
The subpixel localization is a key factor to determinate measurement accuracy in using CCD vision measurement system for measuring the size of precision part.
精加工可以成功地避免干涉并且获得可靠的表面精度。
The finishing machining can avoid interference successfully and get reliable surface precision.
对内圈可分离的NNU49系列轴承，一般在内圈装上主轴后再作滚道的精加工，以获得高的主轴旋转精度。
NNU49 series of separable inner ring bearings, usually installed in the inner ring raceway spindle for finishing and then to obtain a high precision spindle.
并将孔与平面的加工明确划分成粗加工和精加工阶段以保证孔系加工精度。
The machining precision of the hole is divided into rough machining and precision machining stage.
在精加工以内孔为定位基准的零件时，所用芯轴类工装如果采用间隙配合定位，由于定位间隙的存在，必然影响零件的加工精度。
When machining parts with bore as positioning reference, if clearance fit positioning is adopted, machining accuracy is certainly affected due to the existence of clearance.
精加工强调的是精度——使用非常锋利的刀具，切除的金属量较少，测量时的精密度要求较高。
The emphasis here is refinement - very sharp tool, comparatively little metal removed, and a higher degree of accuracy in measurement.
大轴类工件精加工时，在机床精度满足要求的情况下，解决工件装夹方法的选用是十分关键的问题。
It is the key to select the method of assembling and fixing the work-piece when large axle work-piece is to be finely processed and the precision requirement of lathe is met.
实践证明刀具半径补偿在粗、半精和精加工中切实可行，且符合零件加工尺寸精度要求，同时还可以完成零件上毛刺的清除。
Practice has proven tool radius compensation in the rough, finishing in the semi-fine and practical, and the size of precision machining parts, components can also be completed on the burr removal.
本文以利用试验区TM影象为例，介绍了TM影象数据精加工处理的原理、方法和精度。
This paper describes the principle, method and accuracy used to precision processing TM data.
粗铣齿是精加工铣齿的前道工序，它影响齿轮的加工效率也影响齿面的最终加工精度。
The rough gear milling is the preceding working procedure of finish gear milling, which influences not only the machining efficiency of gear but also the final machining accuracy of tooth flank.
将孔与平面的加工明确划分成粗加工和精加工阶段以保证它们的加工精度。
Process with flat surface the clear and definite dividing the line the bore the coarseness processes to process with the nicety the stage to guarantee their process the precise degree.
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.
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.
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