微型钻头端刃侧刃缺陷的全景式视觉检测技术  

Panoramic visual inspection technology for defects of end edge and side edge of micro drill

作　　者：崔旭东 曹普信 王平江[2] CUI Xu-dong;CAO Pu-xin;WANG Ping-jiang(Computing Center,Anshan Normal College,Anshan Liaoning 114007,China;National CNC Engineering Center,Huazhong University of Science and Technology,Wuhan Hubei 430074,China)

机构地区：[1]鞍山师范学院计算中心,辽宁鞍山114007 [2]华中科技大学国家数控工程中心,湖北武汉430074

出　　处：《控制理论与应用》2021年第1期157-165,共9页Control Theory & Applications

基　　金：国家科技重大(04)专项“核工业专用零部件制造装备换脑工程”(2017ZX04011006–005);国家科技重大(04)专项“高档数控系统关键共性技术创新能力平台(二期)”(2015ZX04005007)资助。

摘　　要：在微钻生产中采用机器视觉方法进行缺陷检测时,其难点在于一次拍摄就获得微钻侧刃的完整的、高分辨率的图像.当采用高倍率光学镜头时,又产生视野与检测范围的矛盾.为解决该矛盾,本文创造性地设计了一套内锥镜面反射成像装置,既可获得微钻端刃的清晰图像,又可获得整个微钻侧刃的清晰图像,使得微钻缺陷的全自动视觉检测成为可能.试验结果表明,本文研发的微钻全景式视觉检测系统,能够满足微钻生产中的自动化检测需求.When machine vision is used for defect detection in the production of micro-drills,the difficulty lies in obtaining a complete,high-resolution image of the side edge of the micro-drill with one shot.When a high-magnification optical lens is used,there is a contradiction between the field of view and the detection range.In order to solve this contradiction,this paper creatively designed a set of inner cone mirror reflection imaging devices,which can obtain clear images of the end edge of the micro-drill and the entire side edge of the micro-drill,enabling the automatic visual inspection of the micro-drill become possible.The test results show that the micro-drill panoramic visual inspection system developed in this paper can meet the needs of automated inspection in the production of micro-drills.The test results show that the micro-drill panoramic visual inspection system developed in this paper can meet the needs of automated inspection in the production of micro-drills.

关 键 词：微型钻头 内锥全反射镜 机器视觉 视觉检测 图像拼接 缺陷检测 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术] TN41[自动化与计算机技术—计算机科学与技术]