Northwest District

This document outlines the essential components and operations involved in creating a double seam for aluminum beverage cans, focusing on the first and second operations that interlink the can end to create a hermetic seal. Detailed measurements and specifications for both operations are provided, including seam thickness, height, and countersink depth, along with visual checks for quality assurance. The document emphasizes the importance of proper settings and adjustments to avoid defects and ensure the integrity of the can's seal during production.