Design and analysis of a novel flexible variable stiffness damping mechanism for grinding electric spindle

被引：1
作者：
Sheng, Lianchao [1 ]
Xu, Mincui [1 ]
Shen, Jianwei [2 ]
Li, Wei [2 ]
Ye, Guo [1 ,3 ]
机构：
[1] Jiangsu Normal Univ, Sch Mechatron Engn, Xuzhou, Peoples R China
[2] China Univ Min & Technol, Sch Mechatron Engn, Xuzhou, Peoples R China
[3] Jiangsu Normal Univ, Sch Mechatron Engn, 101, Shanghai Rd, Xuzhou 221116, Peoples R China
来源：
JOURNAL OF VIBRATION AND CONTROL | 2024年 / 30卷 / 19-20期
基金：
中国国家自然科学基金;
关键词：
Flexible variable stiffness; damping mechanism; permanent magnet motor spindle; grinding operation; dynamic characteristics; ACTUATOR; JOINT;
D O I：
10.1177/10775463231210042
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The purpose of this research is to design a flexible variable stiffness damping mechanism to solve the load impact problem in the grinding process of permanent magnet electric spindle. Firstly, combined with the structure and usage scene of the grinding permanent magnet electric spindle, according to the design principles and technical indicators, a novel flexible variable stiffness vibration damping joint is proposed. Then the stiffness and energy storage model of the flexible variable stiffness damping mechanism is established, and the stiffness and energy storage characteristics of the mechanism are analyzed. The strength and dynamic characteristics of the flexible variable stiffness mechanism are analyzed by Ansys and Adams, respectively. Finally, an experimental platform for the comprehensive performance verification of the flexible variable stiffness damping mechanism is built to verify the dynamic characteristics and damping effect of the mechanism. The research results show that the designed flexible variable stiffness structure has better vibration damping effect and can improve the grinding performance of the permanent magnet electric spindle.
引用
收藏
页码：4408 / 4420
页数：13
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