Analysis of thermal error model of ball screw feed system based on experimental data

被引：9
|
作者：
Yang, Jiancheng [1 ]
Li, Changyou [1 ]
Xu, Mengtao [1 ]
Zhang, Yimin [2 ]
机构：
[1] Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110819, Peoples R China
[2] Shenyang Univ Chem Technol, Sch Energy & Power Engn, Shenyang 110142, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2022年 / 119卷 / 11-12期
基金：
中国国家自然科学基金;
关键词：
Temperature; Ball screw feed system; Thermal model; Experimental data; Influence factors; COMPENSATION SYSTEM; DRIVE SYSTEM; PREDICTION;
D O I：
10.1007/s00170-022-08752-w
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In order to investigate the effect of thermal expansion on the ball screw feed system (BSFS) of a precision machine tool, theoretical modeling of and experimental study on thermally induced error are focused in this paper. A series of thermal experiments are conducted on the machine tool to measure the temperature of the main heat source and measuring points of BSFS. This study is to classify the main heat sources and discuss the impact on the ball screw feed system separately. By the experimental data of ball screw system, the thermal model of screw shaft in the axial direction is analyzed and verified. Based on the heat generation and transfer analysis of ball screw system, thermal expansion of screw shaft in the axial direction is modeled mathematically. In addition, by analyzing the effects of machining parameters such as rotational speed, preloads, and lead, we get the parameter influence of BSFS's temperature rising and thermal deformation. This work can help us reduce thermal deformation effectively and improve the precision of CNC machining.
引用
收藏
页码：7415 / 7427
页数：13
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