Aggressive abrasives like coal slag or aluminum oxide generates more heat and peening.
Controlling warping on sheet metal.
The bigger the weld the greater the shrinkage.
Design and welding should be addressed to minimize this sort of warping.
Correctly sizing a weld not only minimizes distortion but also saves weld metal and time.
Intermittent rather than continuous welds help as does minimizing the.
As a rule of thumb it s better to weld as hot and fast as possible to get in and out of the weld as quick as you can.
Use anti warping devices and techniques.
Here s a list of tips that help reduce warpage in sheet metal fabricaitons.
Preset the pieces sometimes called counter or opposing set up this means allowing for the.
Work hot and fast a lot of damage or excessive warping when welding could be from dwelling too long in a small area when welding.
This relaxes the metal and flattens the weld which in the end allows you to control the warpage in the panel.
Minimize the amount of heat put into the weld.
This is very important to keep the shape of the panel you re welding.
By putting the metal between a dolly and a swinging hammer you are slowly stretching the metal out by striking on it each time think of kneading pizza dough.
Use intermittent welds instead of continuous welds where possible to minimize the amount of weld metal.
Even seasoned pros who perhaps haven t had a serious issue with a warped piece of sheet metal in a long time can gain new insight from some of these tips.
An ounce of prevention the battle between hot cold.