Torch Sheet Metal Shrinking Book

Hopefully the following will clear up some of those fallacies.

Torch sheet metal shrinking book.

In this very short video i will show you how to repair shrink sheet metal and stiffen body panels the easy wa. The condition known as an oil can is often encountered when performing automotive bodywork. There are a lot of misconceptions when it comes to applying heat to steel. You also have to grasp the fact that you can reduce the area of sheet metal by thickening it.

Also if you do this be careful. Sped up video of me shrinking a cab corner replacement piece i welded in because the purchased stamped steel didn t match my belly pan s shape nearly close. Sorry for the poor narration my first. An oxyacetylene setup is the most acceptable source since it produces a concentrated flame use a 0 or 1 torch tip.

How to heat shrink metal the incredible shrinking bead. Sheet metal shrinking demonstration by rich at mustangs to fear. This takes away some of the stretch. The bulge can then be tapped down flat with a hammer and dolly to thicken the metal in that spot.

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. It can be described much like an oil can lid. 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. Need a fix for oil canning auto body panels.

I then put 4 tacks in 2 area and the whole panel went more or less flat with no more oil canning. So i either just got lucky or this might be a decent way to shrink when not having a good torch anyway sheet metal. The panel seems somewhat more stiff but straight and flat. I have identified 14 distinct ways to shrink.

Using a torch to shrink bowed sheet metal steel on vehicle body.