曲轴连杆颈砂带随动研磨表面几何量在线气动测量的研究

张磊; 黄云; 黄智

曲轴连杆颈砂带随动研磨表面几何量在线气动测量的研究

张磊^1,2,
黄云^1,2,
黄智^1,2

1.
重庆大学机械传动国家重点实验室, 重庆 400044;
2.
重庆大学重庆市材料表面精密加工及成套装备工程技术研究中心, 重庆 400021

基金项目:

重庆市科委攻关计划项目(CSTC2009AB3057)资助

详细信息

作者简介:
张磊(1987-)，硕士研究生，研究方向为砂带磨削工艺及在线检测技术，zlcuiping@126.com;黄云(联系人)，教授，博士生导师，yunhuang@samhida.com

张磊(1987-)，硕士研究生，研究方向为砂带磨削工艺及在线检测技术，zlcuiping@126.com;黄云(联系人)，教授，博士生导师，yunhuang@samhida.com

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出版历程
- 收稿日期: 2011-04-27
- 刊出日期: 2015-06-10

The Abrasive Belt Trace Followed Online Pneumatic Surface Geometrical Dimension Measurement for the Neck Polishing of Crank Connecting Rod

Zhang Lei^1,2,
Huang Yun^1,2,
Huang Zhi^1,2

1.
The State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400030;
2.
Chongqing Engineering Research Center for Material Surface Precision Machining and Whole Set Equipments, Chongqing University, Chongqing 400021

摘要

摘要: 以曲轴连杆颈砂带随动研磨加工中的轴颈形状误差和几何尺寸为主线,提出了能够同时对曲轴连杆颈圆度、直径等几何量进行在线气动测量的随动跟踪测量方法。通过对随动跟踪测量系统运动控制模型分析后得到了满足传感器组均匀采样的约束条件,分析了气动测量系统误差。在此前提下采用将曲轴连杆颈圆度误差和系统误差从测量数据中进行分离的3点随动跟踪圆度误差分离方法。根据离散傅里叶变换原理,详细推导了3点跟踪法误差分离的基本方程。对比在线跟踪测量与圆度仪离线测量的计算结果,发现二者的相对误差较小,在4%左右。
- 砂带随动研磨 /
- 曲轴连杆颈 /
- 动测量 /
- 圆度误差 /
- 随动跟踪测量
Abstract: The main contents of this paper are focused on the surface geometrical dimension （ contour errors and ge ometrical dimensions） of the neck polishing of crankshaft connecting rod. A abrasive belt followed online pneumat ic system for measuring the roundness errors and diameter of crankshaft's neck is presented. After analyzing the movement control model of the followup tracing system. The constraint conditions are obtained, which can fill the requirements of uniform sampling of the sensor group. The errors of the system analyzed. Based on these, three sensor followup tracing principle is put forward,which can separate the crankpin's roundness errors and systematic errors from the actual measurement data. According to the principle of DFT （ Discrete Fourier Transform）, the fun damental equations of the threesensor tracing principle are deduced. By contrasting the results of this online meas urement system and the results of the tranditional offline method measured roundness, the relative error is about 4%, the proposed system has a higher measurement precision.
- abrasive belt follow-up grinding /
- crank connecting rod journal /
- pneumatic measurement /
- roundness errors /
- follow-up tracing measurement

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参考文献(11)

[1]	Maschinenbau Grieshaber GmbH&Co..Device for SurfaceMachining of Workpieces[P].U.S.Patent 5,683,291,1997
[2]	Industrial metal products corporation.Size Control Shoe forMicrofinishing Machine[P].U.S.Patent 5,095,663,1992
[3]	田应仲,李明,何永义等.曲轴连杆颈在线测量方法的研究[A].第六届全球智能控制与自动化大会(WCICA'2006)[C],大连中国,10(6):4995～4995
[4]	黄耀志,李俊英.在线动态气动测控系统[J].自动化仪表,1998,19(1):20～24
[5]	唐文彦.传感器[M].机械工业出版社,2007
[6]	刘春林.气动传感器在机械加工过程中的自动检测[J].液压与气动,2004,(6):74～75
[7]	许第洪,孙宗禹,周志雄等.切点跟踪磨削法运动模型研究[J].机械工程学报,2002,38(8):68～73
[8]	许第洪,孙宗禹,周志雄等.切点跟踪磨削法加工误差分析[J].机械工程学报,2003,39(12):103～108
[9]	田应仲,李明,李伟等.曲轴连杆颈圆度误差跟踪测量策略[J].仪器仪表学报,2007,28(4):118～122
[10]	韩正桐,洪迈生,李自军.三点法圆度误差分离及演化形式与精度分析[J].上海交通大学学报,2002,36(9):1225～1227
[11]	魏源迁,庞学慧,白恩远.三点法误差分离技术理论分析[J].计量学报,1991,12(3):199～205