Steel rule die cutting uses a custom steel tool to punch a shape into a flat material.
Steel rule die three components are involved: a cutting edge, a die board (12mm 15mm or 18mm,which is depend)and a rubber ejector.
Steel rule die die board is a flat surface,which has a thin kerf the shape of the desired part cut into it.it can be made by jigsaw machine, CNC router and laser die cutting machine.
Steel rule die cutting edge are some thin metal steel rule blade, which is bent into shape and placed onto the die board.
Steel rule die rubber ejector is around overlaid steel rule blade.