What is can seam check?

A can seam check, also known as a can seam inspection or can seam examination, is a quality control process specifically designed for checking the integrity of the seam on a metal can, such as a tin can or aluminum can. The seam of a can is the area where the body of the can is joined and sealed with the lid or end. Ensuring the proper formation and sealing of this seam is crucial in various industries, particularly in food and beverage packaging, to prevent issues like leaks, spoilage, and contamination.

A can seam check involves a series of tests and inspections to assess the quality of the seam. Here are some of the key aspects typically examined during a can seam check:

1. Seam Thickness: Measurement of the thickness of the seam to ensure it falls within the specified range. An excessively thick or thin seam can affect the can’s structural integrity.
2. Seam Tightness: Evaluation of the tightness of the seam to ensure it is properly sealed. A poorly sealed seam can lead to leakage and spoilage of the contents.
3. Seam Overlap: Inspection of the overlap of the lid or end on the can body. Proper overlap is necessary to maintain a secure seal.
4. Seam Integrity: Examination of the overall integrity of the seam to identify any defects, irregularities, or imperfections in the sealing process.
5. Seam Position: Verification of the seam’s position relative to the can’s edge to ensure it is correctly aligned.
6. Seam Material: Assessment of the material used for the seam to confirm it meets the required specifications.
7. Seam Shape: Inspection of the shape of the seam to ensure it is uniform and free from deformities.

Can seam checks are performed using specialized equipment and machines designed for this purpose. These machines may use various testing methods, such as mechanical measurements, visual inspection, and sometimes even pressure testing, to evaluate the quality of the seam.

The results of can seam checks are critical for ensuring the safety and quality of canned products. If a can seam is improperly sealed or compromised in any way, it can lead to issues such as product spoilage, contamination, or even safety hazards if the contents are under pressure.

Regular can seam checks are an integral part of quality control in can manufacturing and food and beverage production. They help maintain the consistency and reliability of canned products, ensuring that they meet the required standards and regulatory requirements.

Techotrix is providing the AT2E Seam Check Plus for monitoring the measurements above seam parameter.