MVC Industry Overview

Machine Vision Company LLC has deployed our CodeSure® product for code reading on the surface of cans, bottles, cigarette packs, and custom vision solutions for inspecting the banding on cigarette paper, and for insuring the correct count of diapers in a diaper package.

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Coffee Can Lid Seal Inspection

Machine Vision Company LLC developed a system for verifying the seal integrity on coffee cans. The seal is formed with the cover material and the top of the cylindrical product container. In the creation of the seal, it is possible that the thermal bonding process does not create a complete seal all the way round the rim of the product container. The vision system verifies that the seal is complete with no breaks or gaps.

The vision system uses an IR (long wavelength) camera to capture an image of the product immediately after the seal is applied. A correctly sealed product will provide an image where the seal shows up as a ring with a constant temperature profile. An incorrectly sealed product will present a ring with an uneven temperature profile.


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System & Vision Requirements

  • Verify the integrity of the seal on a coffee can
  • Six cans imaged at once (in a row)
  • Cans continually moving on a belt

Vision Technology

  • Mikron Infrared Linescan Camera
  • Application developed using Visual Basic and Cognex VisionPro library

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