Automatic Visual Inspection System of Gas Valve’s External Taper Thread Based on Image Domain

• Published in: Applied Mechanics and Materials Vol. 37-38; pp. 207 - 212
• Main Authors: Zhang, Xu, Zhang, Xue Сhang, Lou, Ying Hou, Chen, Jun Hua
• Format: Journal Article
• Language: English
• Published: Zurich Trans Tech Publications Ltd 01.11.2010
• Subjects: Visual Inspection; External Taper Thread; Image Domain; Gas Valve

The failure of the gas valve’s external screw taper thread is a very serious problem which may result in accidents. Routine inspection on the threads are thus necessary. The efficiency of traditional manual testing methods can not meet the production requirements. An automatic visual inspection syst...