Visual Seam Inspection

During normal production, it is not enough to measure the seam dimensions. Visual inspection of the can as well as the seam is required at least once every 30 minutes of production.

false seam

A visual inspection of the outside of the can is required for detecting visible defects such as:

Of course, a visual inspection also includes cutting a cross section and using a seam inspection system to measure the seam and visually ensure it is correct. A good seam is closed, but not tight enough to break or deform.

double seam

If a double seam does not match the specs or has a seaming defect then there are a few possible reasons (in order of likelihood):

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