Get an idea of how much heat it takes to cherry the metal and how hard you need to strike it to smooth it down.
How to shrink sheet metal.
I have identified 14 distinct ways to shrink.
The bulge can then be tapped down flat with a hammer and dolly to thicken the metal in that spot.
How to splice wires how to solder how to crimp wire connectors duration.
There are many ways to shrink.
Start by inserting the fork into the edge of the sheet metal at the desired depth of the shrink you want to make.
At 550 degrees f you can shrink the aluminum without affecting the temper or hardness.
You have to adjust your mind to the concept that when you hammer on sheet metal with a steel hammer onto a steel dolly or anvil that you will expand or increase the surface area by thinning the metal.
Shrinking stretched sheet metal with a propane torch duration.
This takes away some of the stretch.
Propane can do the same thing although it is a much more crude method.
Using hand tools and machines.
If you have access to a bead roller roll yourself a bead and shrink it.
A common recommended fix is to use oxy acetylene heat to create a localized hot spot that bulges the metal above the mean surface of the panel.
This is where the tuck shrinking fork from a few weeks back comes into play.
Then remove the tool and move it over so the fork will roll the metal over the other side of the fork by twisting the metal the other direction.
Dave miles 60 005 views.