Investigation on the Precision Loss of Ball Screw Considering the Full Ball Load Distribution

2018 International Conference on Smart Materials Applications

Zhao, Jiajia^1 ; Lin, Mingxing^1 ; Song, Xianchun^2 ; Jiang, Hongkui^2 ; Wu, Xiaojian^1

National Demonstration Center for Experimental Mechanical Engineering Education, Key Laboratory of High-efficiency and Clean Mechanical Manufacture, Ministry of Eduction, School of Mechanical Engineering, Shandong University, Jinan, Shandong

250061, China^1

Key Laboratory of Mechanical Engineering Innovation Technology, School of Mechanical and Electrical Engineering, Shandong Jianzhu University, Jinan, Shandong

250101, China^2

关键词: Ball load distribution;    Functional components;    Loss rates;    Machining Accuracy;    Machining equipments;    Operating parameters;    Precision positioning;    Structural parameter;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/422/1/012021/pdf
DOI  :  10.1088/1757-899X/422/1/012021

来源: IOP

【 摘 要 】

Ball screws are the driving functional components most frequently used for the machining equipments. However, the precision positioning error of ball screws decide directly machining accuracy of machine tools. This paper aims to investigate the precision loss of ball screw considering full ball load distribution. The raceway wear model is built to predict the precision loss of ball screw in different structural parameters and operating parameters. Meanwhile, the precision loss rate is obtained and analyzed during the whole running life.