Geometric error measurement and compensation for NC machine tools

被引：3
|
作者：
Liu, Hongwei [1 ,2 ]
Chen, Jihong [1 ]
Xiang, Hua [1 ]
Yang, Rui [3 ]
机构：
[1] Huazhong Univ Sci & Technol, 1037 Luoyu Rd, Wuhan 430074, Hubei, Peoples R China
[2] Hubei Univ Arts & Sci, Xiangyang 441403, Hubei, Peoples R China
[3] Xiangyang Vocat & Tech Coll, 8 Tuanxi Rd, Xiangyang 441403, Peoples R China
来源：
2018 2ND INTERNATIONAL CONFERENCE ON AUTOMATION, CONTROL AND ROBOTS (ICACR 2018) | 2018年
关键词：
Geometric error; Compensation; Error model; Fitting; NC machine tools; PART I; IDENTIFICATION; ALGORITHM; AXES;
D O I：
10.1145/3293688.3293692
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Geometric error is the major part of the inaccuracy of NC machine tools. This paper presents an integrated geometric error measuring, modeling and compensation method for NC machine tools. 21 geometric errors are anlysised. Taking three-axis machine tool as example, the positioning error is measured by a laser interferometer. A new method is proposed using MATLAB to fit the curve measured. The efficient methodology is developed and described for the establishment of the geometric error model. Finally, the compensation mechanism is executed based on the model. The experimental results show that the geometric accuracy of the machine tool is significantly improved by the error compensation.
引用
收藏
页码：10 / 15
页数：6
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