To remove irregularity or improve uneven bends place a hardwood piece lengthwise along the bend and hit the bend with increased strength using a heavy duty hammer or mallet.
Bending sheet metal with wood.
Clamp the wood on the top of the metal to the workbench.
If the metal is still getting scratched up you can either put on a few layers of masking tape or use wood blocks like 2 4 s or something to sandwich the part for bending as you tap away on it with a mallet the wood will be soft enough to not damage the surface as long as there aren t any metal shavings hard things on it.
Clamp the wood on top of the metal to the workbench.
Next step is place the wood parallel and slightly behind the bending line.
How to bend sheet metal without a brake in 4 different methods with minimal or homemade tools.
In some cases as with thicker sheet of metal you may need to use a sheet metal brake to apply your bend.
Monkeys spinning monkeys by kevin macleod.
First mark a bend line and place the sheet metal on the edge of your workbench.
And finally bend the sheet up by hand to the angle desired.
How to bend sheet metal without a brake.
Simple sheet metal bender using a hand roller clamps and plywood.
Finally bend the sheet up by hand to the angle desired.
If you want a sharp 90 bend tap along the crease with a mallet.