Punching is one of the most popular fabrication processes in the aluminium industries. One or multiple holes can be punched in a single stroke of the press.
In this case, one hole is punched in one stroke of the press.
In this video, it demonstrates the process of punching holes in an aluminum extrusion profile using a specialized punching machine. These profiles being punched have a distinct T+L cross-sectional shape and will be used for constructing framework structures, specifically aluminum rails. Each rail requires the punching of 12 mounting holes and 6 drain holes, and these holes are created using pre-prepared punching molds.
Following the hole-punching and precision cut-to-length process, which results in a length of 1750mm, the profile undergoes a matte-anodizing treatment. This process not only provides a stronger, corrosion-resistant surface but also preserves a 'brand-new' appearance.