Influence of thermal effect on dynamic behavior of high-speed dry hobbing motorized spindle system

被引：0
|
作者：
Benjie Li
Yongpeng Chen
Xiao Yang
Libin Zhu
机构：
[1] Southwest Petroleum University,School of Mechatronic Engineering
[2] Chongqing Jiaotong University,School of Mechanotronics and Vehicle Engineering
[3] Chongqing Technology and Business University,Chongqing Key Laboratory of Manufacturing Equipment Mechanism Design and Control
[4] Hefei University of Technology,School of Mechanical Engineering
来源：
Journal of Mechanical Science and Technology | 2022年 / 36卷
关键词：
High-speed dry hobbing; Motorized spindle system; Dynamic behavior; Stiffness; Thermal effect;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper is devoted to investigating the influence of thermal effect on the dynamic behavior of a motorized spindle system in high-speed dry hobbing machine tool. First, the thermal induced preloads of combined bearings were calculated by characterizing the uneven temperature rise under operational condition. Subsequently, the influence relationship of thermal induced preload on the stiffness of combined bearings was studied. The change rules of the dynamic behavior of motorized spindle system with respect to the temperature rise were analyzed by coupling bearing stiffness and spindle dynamic models. Finally, experimental measurements on bearing temperature rise and spindle dynamic behavior were implemented for validation. The results indicate that thermal effects have a significant impact on the stiffness of combined bearings and hence the operating stability of high-speed dry hobbing motorized spindle system. This study can provide a reference for thermal dynamic optimization of motorized spindle system for high performance high-speed dry hobbing.
引用
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页码：2521 / 2531
页数：10
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