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.
How to shrink sheet metal.
At 550 degrees f you can shrink the aluminum without affecting the temper or hardness.
Using hand tools and machines.
How to splice wires how to solder how to crimp wire connectors duration.
Then twist the handle of the tool to twist the metal around one side of the fork.
This takes away some of the stretch.
Welding suppliers carry a wide range of temperature crayons that melt off the surface when your desired.
There are many ways to shrink.
Propane can do the same thing although it is a much more crude method.
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.
Start by inserting the fork into the edge of the sheet metal at the desired depth of the shrink you want to make.
The bulge can then be tapped down flat with a hammer and dolly to thicken the metal in that spot.
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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.
Sheet metal shrinking demonstration by rich at mustangs to fear.
This is where the tuck shrinking fork from a few weeks back comes into play.