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| Comparison of Two Methods for Measuring the Error of CNC Machine Tool |
| ZHAO Dong-sheng1, ZHANG Jian1, JIA Min-qiang1, LI Wei-jun1, GUAN Qian-qian1, ZHU Yue2 |
1.Shandong Institute of Metrology, Jinan, Shandong 250014, China
2.China Productivity Center for Machinery,Beijing 100044, China |
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Abstract Positioning accuracy is one of the most important technical indicators of CNC machine tools, the commonly used methods to calibrate it are based on laser interferometer and step gauge. The characteristics of these two methods were analyzed and compared with the measurement examples. Some ways to improve the accuracy of these two methods were also given.
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Received: 20 September 2019
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2019, Vol. 40 
