Comprehensive error modeling of real-time wear-depth detecting of spherical plain bearing tester

LI Wei; HU Zhan-qi; YANG Yu-lin; ZHOU Hai-li; ZHENG Xiao-qiang

doi:10.3788/OPE.20162404.0844

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Comprehensive error modeling of real-time wear-depth detecting of spherical plain bearing tester

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- Comprehensive error modeling of real-time wear-depth detecting of spherical plain bearing tester
- Optics and Precision Engineering Vol. 24, Issue 4, Pages: 844-854(2016)
- 作者机构：
  
  燕山大学自润滑关节轴承共性技术航空科技重点实验室,河北秦皇岛,066004
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20162404.0844
  CLC： TH133.3;TH871
- Received：12 November 2015，
  
  Revised：20 December 2015，
  
  Published：25 April 2016
- 稿件说明：
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李巍, 胡占齐, 杨育林等. 关节轴承寿命试验机在线磨损量检测综合误差建模[J]. 光学精密工程, 2016,24(4): 844-854

LI Wei, HU Zhan-qi, YANG Yu-lin etc. Comprehensive error modeling of real-time wear-depth detecting of spherical plain bearing tester[J]. Editorial Office of Optics and Precision Engineering, 2016,24(4): 844-854
李巍, 胡占齐, 杨育林等. 关节轴承寿命试验机在线磨损量检测综合误差建模[J]. 光学精密工程, 2016,24(4): 844-854 DOI： 10.3788/OPE.20162404.0844.

LI Wei, HU Zhan-qi, YANG Yu-lin etc. Comprehensive error modeling of real-time wear-depth detecting of spherical plain bearing tester[J]. Editorial Office of Optics and Precision Engineering, 2016,24(4): 844-854 DOI： 10.3788/OPE.20162404.0844.

摘要

为了提升关节轴承寿命试验机在线磨损量检测的精度

以自制的关节轴承寿命试验机为研究对象

对寿命试验机磨损量检测系统进行了分析和建模。介绍了关节轴承磨损量在线检测原理

分析了影响磨损量检测精度的误差因素。然后以多体系统运动学理论为基础

建立了关节轴承寿命试验机磨损量检测系统综合误差模型。通过实验检测得到磨损量检测系统由于载荷变化而产生的磨损量检测误差(简称载荷误差)

并依据上述实验参数

采用有限元仿真的方法对载荷误差实验工况下的综合误差模型进行了验证。实验与计算结果表明

实验值与计算值最大相差0.028 mm

除基准值外两者最小误差为0.012 mm。计算值与实验值较为接近

验证了此工况条件下多体综合误差模型的正确性。

Abstract

To improve the real-time detecting precision of the wear depth for spherical plain bearing testers

a self-made spherical plain bearing tester was selected as studied objective

and its wear depth detecting system was analyzed and molded. The testing principle of the wear depth of the spherical plain bearing was introduced and the error factors affecting the wear-depth detecting precision were analyzed. Then

a comprehensive error model of the wear-depth detecting system for the spherical plain bearing was built by the multi-body system theory(MBS). In addition

the loading deformation of the wear-depth detecting system caused by the varying loading was detected. Finally

according to the above experimental parameters

the loading deformation of the related parts of the comprehensive error model was calculated by Finite Element Method(FEM). By comparison

the maximum difference between the experimental results and the calculated values is 0.028 mm

and the minimum difference is 0.012 mm. On the whole

these values are closer

which verify the correctness of the comprehensive error model under the loading error experimental conditions.

关键词

Keywords

references

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Comprehensive error modeling and compensation for precision polishing platform based on orthogonal experiment and interpolation algorithm

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