[1]闫 轩,许 涛,曾柄杰.基于旋滚比的电主轴轴承预紧力优化研究[J].机械与电子,2020,(12):14-18.
　YAN Xuan,XU Tao,ZEN Bingjie.Optimization Research on Pre-tightening Force of Electric Spindle Bearing Based on Spin--roll Ratio[J].Machinery & Electronics,2020,(12):14-18.
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基于旋滚比的电主轴轴承预紧力优化研究()
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机械与电子[ISSN:1001-2257/CN:52-1052/TH]

卷:
期数:
2020年12期
页码:
14-18
栏目:
设计与研究
出版日期:
2020-12-18

文章信息/Info

Title:
Optimization Research on Pre-tightening Force of Electric Spindle Bearing Based on Spin--roll Ratio
文章编号:
1001-2257(2020)12-0014-05
作者:
闫 轩1; 许 涛1; 2; 曾柄杰1
1.西安工程大学机电工程学院,陕西 西安  710600;
2.西安市现代智能纺织装备重点实验室，陕西 西安 710600
Author(s):
YAN Xuan1; XU Tao1; 2; ZEN Bingjie1
1. School of Mechanical and Electrical Engineering, Xi’an Polytechnic University, Xian 710600, China;
2. Xi’an Key Laboratory of Modern Intelligent Textile Equipment, Xi’an 710600, China
关键词:
角接触球轴承; 旋滚比; 电主轴; 预紧力优化
Keywords:
angular contact ball bearings; spin-to-roll ratio; electric spindle; preload optimization
分类号:
TH133.33
文献标志码:
A
摘要:
为研究不同工况下轴承预紧力对电主轴轴承动力学的影响规律，基于外轨道控制理论,建立了一种以旋滚比可优化的轴承预紧力动力学模型。通过分析高速状态下滚动体载荷和特征参数动态变化过程，构建综合考虑滚动体滚动、自旋转、陀螺运动和离心力的轴承动力学分析模型，在此基础上，计算旋滚比动态变化结果；研究Jones发现的阈值与旋滚比之间的动态定量映射关系；以轴承滚动体打滑状态为优化目标，使用MATLAB仿真分析不同工况下轴承最佳预紧力。建模分析表明，轴承旋滚比大小可以反映轴承预紧效果，也可实现轴承预紧力动态定量优化。
Abstract:
In order to study the influence of bearing preload force on the dynamics of electric spindle bearings under different working conditions, a dynamic model of bearing preload force that can be optimized by the spin-to-roll ratio is established based on the outer track control theory. A dynamic analysis model of the bearing considering the rolling body, self-rotation, gyro motion and centrifugal force is constructed by analyzing the dynamic changes of rolling body loads and characteristic parameters under high-speed conditions. On this basis, Calculate the dynamic change of the spin-roll ratio based on above research; The dynamic quantitative mapping between the threshold and the spin-to-roll ratio discovered by Jones; The optimal preload force of the bearing under different conditions was analyzed by MATLAB simulation with the sliding state of the rolling elements of the bearing as the optimization goal. Modeling analysis shows that the size of the bearing spin-to-roll ratio can reflect the bearing pre-tightening effect, and can also realize the dynamic quantitative optimization of the bearing pre-tightening force.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2020-08-12
基金项目：陕西省自然科学基金资助项目（2019JM-310）；西安市现代智能纺织装备重点实验室资助项目（2019220614SYS021CG043
作者简介：闫 轩（1995-），男，山西运城人，硕士，研究方向为高速轴承动力学建模方法；许 涛（1983-），男，陕西咸阳人，副教授，研究方向为高速电主轴动态性能控制技术，通信作者。
更新日期/Last Update: 2020-12-18