ANALYSIS OF BALL SCREW STATIC AXIAL STIFFNESS

LI DongJun

doi:10.16579/j.issn.1001.9669.2015.05.025

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ANALYSIS OF BALL SCREW STATIC AXIAL STIFFNESS

更新时间：2022-09-22

- ANALYSIS OF BALL SCREW STATIC AXIAL STIFFNESS
- Journal of Mechanical Strength Vol. 37, Issue 5, Pages: 930-934(2015)
- 作者机构：
  
  1. 南京交通职业技术学院机电工程学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2015.05.025
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LI DongJun. ANALYSIS OF BALL SCREW STATIC AXIAL STIFFNESS. [J]. 37(5):930-934(2015)
DOI：

LI DongJun. ANALYSIS OF BALL SCREW STATIC AXIAL STIFFNESS. [J]. 37(5):930-934(2015) DOI： 10.16579/j.issn.1001.9669.2015.05.025.

摘要

较高的滚珠丝杠副轴向静刚度是保证滚珠丝杠副很好的定位精度和速度适应能力的关键。考虑螺母承载区域径向变形对螺母组件轴向静刚度的影响,在模型简化的基础上分析推导了螺母组件轴向静刚度的简化计算公式。通过实例,将考虑径向变形影响的计算结果与传统滚珠丝杠副简化计算结果及实验测试结果作对比,证明不考虑螺母承载区域径向变形对螺母组件轴向静刚度影响的滚珠丝杠副轴向静刚度计算是不全面的。研究结果为滚珠丝杠副的准确分析和优化设计打好了基础。

Abstract

Ball screw pairs of high static stiffness is to guarantee the positioning accuracy and speed of ball screw pair a good ability to adapt the key.Considering the influence of deformation on nut assembly static axial stiffness nut bearing radial,based on simplified model on the analysis of simplified nut assembly static axial stiffness calculation formula.Through the example,will consider the simplified calculation of the pair radial deformation and the traditional ball screw calculation results and the experimental test results for comparison,proved that does not consider the effect of deformation on the ball screw pairs nut assembly static axial stiffness nut bearing radial calculation to the static stiffness is not comprehensive.The research results laid a foundation for the accurate analysis and optimal design of ball screw.

关键词

滚珠丝杠副轴向静刚度径向变形螺母组件

Keywords

Ball ScrewStatic axial stiffnessRadial deformationNut union

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