基于工件轮廓图像的砂轮磨损在线检测方法  

Workpiece-Contour-Image Based Wheel Wear Online Detection Methodology

作　　者：牛牧 许黎明[1] 赵达[1] 范帆[1] NIU Mu;XU Liming;ZHAO Da;FAN Fan(School of Mechanical Engineering,Shanghai Jiao Tong University,Shanghai 200240,China)

机构地区：[1]上海交通大学机械与动力工程学院,上海200240

出　　处：《上海交通大学学报》2021年第3期221-228,共8页Journal of Shanghai Jiaotong University

基　　金：国家自然科学基金资助项目(51575350)。

摘　　要：研究一种基于机器视觉的砂轮磨损在线检测和补偿方法,介绍基于工件局部轮廓图像的砂轮磨损在线检测原理,分析了由砂轮磨损引起的轮廓误差在线补偿方法.在此基础上,在所开发的复杂轮廓磨削平台上进行了试验研究.研究结果表明:所提出的砂轮磨损检测和误差补偿方法可以有效地进行实时在线检测砂轮的磨损程度,并能补偿主要由砂轮磨损引起的轮廓加工误差,提高工件的加工精度,为砂轮磨损的在线检测以及砂轮修整预报提供了一种新的方法.A method for online detection and compensation of grinding wheel wear based on machine vision is proposed in this paper.The principle of workpiece-contour-image(WCI)based online wheel wear detection is presented,and the online compensation of wheel-wear-induced contour error is analyzed,based on which,studies are conducted on the developed complex contour grinding platform.The results reveal that the proposed method can effectively detect the wheel wear in real-time and compensate the contour error caused by wheel wear to improve the machining accuracy.The research provides a new method for online detection of wheel wear and prediction of wheel dressing.

关 键 词：曲线磨削 砂轮磨损 机器视觉 磨损检测 误差补偿 

分 类 号：TH161[机械工程—机械制造及自动化]