Error modeling and sensitivity analysis of turning-milling compound CNC machine tools

被引：2
|
作者：
Fan, Jinwei [1 ]
Tao, Haohao [1 ]
Zhang, Yiling [1 ]
Wang, Peitong [1 ]
机构：
[1] Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100124, Peoples R China
来源：
2019 5TH INTERNATIONAL CONFERENCE ON GREEN POWER, MATERIALS AND MANUFACTURING TECHNOLOGY AND APPLICATIONS (GPMMTA 2019) | 2019年 / 2185卷
基金：
中国国家自然科学基金;
关键词：
Compound NC machine tool; Multi-body system theory; Error modeling; Sensitivity analysis;
D O I：
10.1063/1.5137878
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this paper, the geometric error modeling and sensitivity analysis method was established to improve the compound machining accuracy of NC machine tools. Use CHD-25 type 9-axis 5 linkage turning-milling compound NC machine tool as a research object, based on the multi-body system theory (MBS), the geometric error modeling method of the machine tool was developed. The model involves 37 items of geometrical errors. By calculating and analyzing the error sensitivity coefficient, the key geometric errors that affect the machining precision are identified finally, which provides an effective theoretical basis for the design of compound CNC machine tools.
引用
收藏
页数：5
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