Abstract
The level of industrial strength is a measure of an important indicator of a country's pillar industry level is machinery manufacturing, in modern times, the rapid development of manufacturing technology, precision and ultra-precision manufacturing technology has become an important part of modern machinery processing and manufacturing,which CNC machine tools due to its own characteristics and soon became an important part of industrial manufacture. CNC machine tool manufacturing and processing machinery as an important tool, it is an important factor affecting the accuracy of indicators work-piece machining accuracy. Therefore, improving the accuracy of CNC machine tool research has been of great concern. This paper studies CNC machine thermal geometrical analysis accuracy error rights.
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