Make a new assembly a copy from the main assembly dont damage your production information and replace the sheet metal parts with the new crimp solids.
How to crimp sheet metal.
The telescoping clamp holds the crimper securely to your drill.
You do not need a crimping tool to do this.
The pressing rivet process presses the crimp nut or screw against the sheet metal and can be mated with the corresponding outer nut or screw.
Use on 30 24 ga.
This is where you should practice on scrap first because sterling crimp tubes melt easily.
After pickle and rinse i fluxed the ovals and four 2 2 mm crimp tubes on my soldering board.
Just make a solid with the same geometry as the deformed crimped sheet metal part and place it in the assembly.
I lined up two crimp tubes on the other ends of each oval and soldered them in place with easy solder using a low flame and 0 smith torch tip.
Use the power of a drill to crimp the ends of metal duct faster and more evenly than crimping by hand.
Hand held sheet metal benders for opening seams.
Anthony hoekstra showing how to crimp snap lock round duct.