How To Straighten Warped Sheet Metal

Fabricators straighten metal using many methods including heat straightening.

How to straighten warped sheet metal.

Heating localized areas and then using a hammer and dolly to. To accomplish heat straightening you must apply controlled heat to the proper places on the metal gradually to allow the metal to expand and shrink. Lay the aluminum object on a flat solid surface like a concrete floor. Use a heat gun to warm the part of the aluminum you wish to straighten.

This process works every time is very simple and wil. Heat straightening does not symmetrically straighten the metal and is a gradual process. This restraint creates high residual tensile stress that causes the weld to act like a stretched rubber band with the workpiece holding the ends figure 1 for this reason when the clamps that hold the workpiece are removed the base metal is allowed to move or spring. That or cut the transom pull the sides together overlapping them mark the extra metal that needs to be cut out and reweld with 2x4 set across the top to prevent the sides from pulling in as the weld cools.

Looking for and easy and effective method for removing oil canning in sheet metal or auto body panels. Body files are usually used after another age old process has been used to straighten or shrink sheetmetal.