Surface Defect Inspection of Precision Steel Ball Using Computer Vision

• Main Authors: Cheng-Yu Chiang, 江正宇
• Other Authors: 田方治
• Format: Others
• Language: zh-TW
• Published: 2008
• Online Access: http://ndltd.ncl.edu.tw/handle/3n89zg

碩士 === 國立臺北科技大學 === 工業工程與管理研究所 === 96 === Steel ball, a key component of stainless steel bearings and automotive parts, is an important element in industry. Currently, the quality of steel ball surfaces massively affects the quality of the machines, such a machine tool, which use bearing as a component for translating working platform. Therefore, the inspection of the smoothness, accuracy, diameter, precision of steel balls becomes a critical issue during production. However, due to their reflective surface, the inspection task still relies on human eyes nowadays and requires highly experienced operators to spot the tiny defect under a microscope. Building a computer vision inspection system composed with a high resolution micro-CCD camera, a progressive frame grabber, a lighting device, a designed steel ball rotation stage, and a self-developed defect detection software, we expect to achieve an automated visual inspection with high effectiveness and efficiency.