The geometric error modeling of NC machine tools is the key technique to dynamics design, precision analysis and error compensation. It is the important step to improve the precision of machine tools.
数控机床的误差建模是进行机床运动设计、精度分析和误差补偿的关键技术，也是保证机床加工精度的重要环节。
The geometric model of the geometric error evaluation is established.
形位误差的几何模型建立。
A geometric error model for CNC lathe and the measured data are presented in this paper.
本文给出了数控车床的几何误差模型和一台数控车床的实测数据。
The software compensation of geometric error is realized in 4-coordinate NC machine tool.
在4坐标数控机床上实现了几何误差的软件补偿。
Springback often causes the geometric error when die design is based on the part shape required.
拉延件回弹常常会造成最终零件的几何偏差，以至于需要对模具进行修改。
The geometric error of axial image reconstruction increases with the increase of CT scan slice thickness, due to CT partial volume effect.
重建CT图像的前后方向的几何误差是随着扫描层厚增加而增加，主要是由于CT扫描的部分容积效应影响。
Post-processing of CNC machine tools is the important component of the CAD/CAM technology and NC programming system. Also, it is important way of compensating geometric error by software.
数控加工后置处理不仅是CAD/CAM技术和数控编程系统的重要组成部分，而且也是实现数控机床几何误差软件补偿的重要途径。
Post-processing of CNC machine tools is the important component of the CAD/CAM technology and NC programming system. Also, it is important way of compensating geometric error by software.
数控加工后置处理不仅是CAD/CAM技术和数控编程系统的重要组成部分，而且也是实现数控机床几何误差软件补偿的重要途径。
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