Experimental and theoretical analysis of ball screw under thermal effect

被引：19

作者：

Wang, Haitong ^{[1
,2
]}

Li, Fuhua ^{[3
,4
]}

Cai, Yonglin ^{[1
,2
]}

Liu, Yueming ^{[1
,2
]}

Yang, Yuwei ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Beijing, Peoples R China

[2] Minist Educ, Key Lab Vehicle Adv Mfg Measuring & Control Techn, Beijing, Peoples R China

[3] Peng Cheng Lab, Shenzhen, Peoples R China

[4] Tsinghua Univ, Beijing, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2020年 / 152卷

基金：

北京市自然科学基金;

关键词：

Ball screw; Thermal error; Friction torque; Stiffness; CONTACT STIFFNESS; DOUBLE-NUT; FRICTION;

D O I：

10.1016/j.triboint.2020.106503

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

With the increasing demand for high speed and high precision in the manufacturing industry, the thermal effect of the ball screw has gradually attracted the attention of manufacturing enterprises and scholars. This paper aims at the thermal performance of the ball screw, establishing a quasi-static model and a thermal-mechanical model. On this basis, a calculation scheme considering the dynamic change of boundary conditions is proposed. The proposed scheme can accurately predict the temperature field and thermal error of the ball screw in real-time. Besides, the thermal-induced variations in friction torque and stiffness are measured and identified in a linear feeding test-bed, and the above phenomena are explained and quantitatively predicted based on the coupling analysis.

引用

页数：18

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