In this article the author explains how improvements to inspection machines can help manufacturers meet the demand for low price/high quality glass containers. A wire edge defect is highlighted, as it is difficult to see against the normally-occurring variations on the inner diameter of the finish but when captured using direct lighting and a telecentric lens, the wire edge is clear and easy to detect.
Origin
Emhart
Journal Title
Glass Worldwide 46-47
Sector
Container glass
Class
C 4960