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计量学报  2024, Vol. 45 Issue (9): 1291-1299    DOI: 10.3969/j.issn.1000-1158.2024.09.06
  几何量计量 本期目录 | 过刊浏览 | 高级检索 |
基于芯棒校准探头定位误差的齿轮精度在线测量
汪发,汪中厚,陈铭治,杨勇明,吴云龙,宋美琪
上海理工大学机械工程学院,上海200093
Position Error of Touch-Trigger Probe Based on Mandrel Calibration on the Process of Gear on-Machine Measurement
WANG Fa,WANG Zhonghou,CHEN Mingzhi,YANG Yongming,WU Yunlong,SONG Meiqi
College of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
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摘要 主流的齿轮测量设备大都通过参考球进行探头位置校准,相较于参考球,芯棒不仅安装与操作方便,同时还可以检测机床的静态精度。因此对开发的新型齿轮磨床进行齿轮在线测量时,采用芯棒进行探头校准来实现齿轮测量。为了提高探头定位精度,初步利用最小二乘法(least square method,LSM)拟合芯棒中心来进行探头定位,并在此基础上使用基于Aitken Δ2迭代的算法来补偿LSM的定位误差,进而实现探头位置校准。该方法将非线性拟合迭代过程用线性收敛的数值序列代替,不仅具有较快的收敛速度,同时数值趋于稳定。通过齿廓偏差评估实验证明了该方法的有效性,可对其他齿轮测量时的探头位置校准提供参考。
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汪发
汪中厚
陈铭治
杨勇明
吴云龙
宋美琪
关键词 几何量计量芯棒探头位置校准齿廓偏差评估在线测量    
Abstract:The geometric position of probe is calibrated by a reference sphere on most of mainstream gear measuring instruments. Compared to the reference sphere, the reference mandrel is not only easy to be installed and operated, but also it can detect the static accuracy of the machine tool. So the probe calibration is conducted by the reference mandrel in the process of gear on-machine measurement on a new developed gear grinding. To improve the calibration accuracy of probe position, the calibration of probe geometric position is defined by the least squares method (LSM), which can fit the center of reference mandrel. Simultaneously, the algorithm based on Aitken Δ2 iteration, which is used on the basis of LSM, is built to compensate the error of position produced by LSM. This method replaces the nonlinear fitting iterative process with linear convergent numerical sequence, which not only has a faster convergence rate, but also tends to be stable. The effectiveness of this method can be validated through the experiment of tooth profile evaluation, and it can provide guidance for the geometric position calibration of other gear measurement.
Key wordsgeometric measurement;mandrel;calibration of probe position;profile deviation evaluation    on-machine measurement
收稿日期: 2023-12-27      发布日期: 2024-09-26
PACS:  TB92  
基金资助:国家自然科学基金(52371331,51875360);上海市科学技术委员会(19060502300)
通讯作者: 汪中厚(1963- ),安徽安庆人,上海理工大学教授,主要从事齿轮动态力学性能仿真、CAE及其应用等方面的研究。Email:wangzhusst@163.com     E-mail: wangzhusst@163.com
作者简介: 汪发(1998- ),安徽铜陵人,上海理工大学硕士研究生,研究方向为齿轮在线测量技术、谐波减速器动态模拟性能仿真。Email:wangfa1395592@163.com
引用本文:   
汪发,汪中厚,陈铭治,杨勇明,吴云龙,宋美琪. 基于芯棒校准探头定位误差的齿轮精度在线测量[J]. 计量学报, 2024, 45(9): 1291-1299.
WANG Fa,WANG Zhonghou,CHEN Mingzhi,YANG Yongming,WU Yunlong,SONG Meiqi. Position Error of Touch-Trigger Probe Based on Mandrel Calibration on the Process of Gear on-Machine Measurement. Acta Metrologica Sinica, 2024, 45(9): 1291-1299.
链接本文:  
http://jlxb.china-csm.org:81/Jwk_jlxb/CN/10.3969/j.issn.1000-1158.2024.09.06     或     http://jlxb.china-csm.org:81/Jwk_jlxb/CN/Y2024/V45/I9/1291
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