If you re bending 0 020 thick material use a 0 020 radius.
How to bend metal sheet by hand.
Step 3 align materials.
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Using protective gloves hold the free end of the metal sheet with one hand and with the other hand use a mallet or hammer to begin bending the sheet down and around the curved radius of the wood form.
Determine the thickness of your sheet.
Step 2 choose a straightedge.
How to bend sheet metal.
Make sure the first bend mark lines up exactly with the curve in the form so that the bending will begin in the right spot.
Preparing to bend sheet metal with a vise 1.
Calculate your bend allowance.
Here s a good rule of thumb for most materials.
In other words if you re bending 1 8 sheet use a tool with a 1 8 radius to form the inside of the bend.
You can use a tape measure or ruler to measure the thickness of your sheet.
Before attempting to make your bend you ll need to measure and mark the place where you want to.
Having the right tools on hand will help this process go smoothly and quickly.