Hole-intensive punching work can induce significant stress into the workpiece. To mitigate this requires a careful look at programming and tooling.
Sweet Relief – How to avoid hole distortion in sheet metal parts
Metal Punching - Aluminum & Stainless Steel
Precise Metal Bending Services By Elemet Manufacturing
Heavy-duty sheet metal punching with the modern mechanical punch press
When to form on a turret punch press
Sheet metal processing: Precise CNC bending for all formats
Tips for creating a whole lot of holes
Sheet Metal Bending: Critical Engineering Considerations < Badger Sheet Metal Works
Sheet Metal Fabrication Bending and Forming Guidelines
Integrated flattening allows hole punching without sheet metal distortion
CNC punching machine - M30 series - Muratec sheet metal machinery - servo-electric / for sheet metal / forming
3:1 Rule for Sheet Metal Punch Forming (Updated for 2023)