滚动直线导轨设计研究（英文）

论文摘要

结合实际经验及理论研究,针对滚动导轨抗震性差及使用不稳定等缺点,运用有限元软件ANSYS对影响导轨精度因素的主轴导轨系统进行了模态分析和计算,对相应零部件曲面进行优化设计,采用适当增加导轨表面硬度的方法提高导轨精度和使用寿命,并对导轨系统进行静力学仿真以确定自身静刚度,通过实验证实此导轨的高刚度性能。提出了设计时注重选材和受力分析计算,使用时也要注意防尘防护、润滑及适当预紧。

论文目录

• 1 Overview of rolling linear guides
• 2 Performance characteristics of rolling linear guides
•   2.1 Smooth and smooth operation
•   2.2 High motion and positioning accuracy
•   2.3 High speed and high efficiency
•   2.4 High rigidity and high life
•   2.5 Environmental adaptation, absorption, processing, installation error
•   2.6 Standardized production, high interchangeability
•   2.7 High load, anti-torque, multi-direction load
• 3 Selection of type of rolling linear guide
•   3.1 Non-commutative matching order
•   3.2 Non-commutative group order
• 4 Points to note for the design of rolling linear guides
•   4.1 Optimize the layout and assembly structure of the slider
•   4.2 It is strictly forbidden to insert the guide rail into a groove with overfilling fit
•   4.3 Mechanical limiter
•   4.4 Use in high dust environment
•   4.5 Avoid the use of single slider blocks as far as possi-ble, except where this is particularly necessary in the case of small loads
•   4.6 Selection of Guide Length
•   4.7 Determination of guide margin
• 5 Calculation of rated load for rolling linear guide rail
•   5.1 Basic rated static load
•   5.2 Permissible static moment
•   5.3 Static safety factor
•   5.4 Basic rated dynamic load
• 6 Calculation of workload for rolling lin-ear guide rail
•   6.1 Force Analysis of Single Sliding Block of Rolling Linear Guide Track
•   6.2 Average load calculation
•   6.3 Equivalent load for multidirectional force or torque
•   6.4 A summary of the calculation of load analysis for rolling linear guide rail
• 7 Calculation of rated life of rolling lin-ear guide rail
•   7.1 Surface fatigue life formula
•   7.2 Calculation of the rated life of the rolling linear guide
• 8 Conclusions

文章来源

类型: 期刊论文

作者: 周书兴,薛家祥

关键词: 导轨,滚动直线导轨,导轨设计,导轨刚度,导轨精度,模态分析

来源: 机床与液压 2019年12期

年度: 2019

分类: 工程科技Ⅱ辑

专业: 机械工业

单位: 广东技术师范大学天河学院,华南理工大学

基金: 2015,the Education Department of Guangdong Province Characteristic Innovation Project(NATURAL SCIENCE):industrial robot core mechanical parts development(2015KTSCX185),The Teaching Reform Project in 2017 in Guangdong Province Department of Education:Cluster Innovation Education of Mechanical Design Manufacturing and Automation Professional Comprehensive Reform research(2017SJG02)~~

分类号: TH122

页码: 151-156

总页数: 6

文件大小: 319K

下载量: 124