How To Curve Sheet Metal

If you re bending 0 020 thick material use a 0 020 radius.

How to curve sheet metal.

To clamp efficiently lay your sheet metal on the top surface of your straightedge with the drawn line perfectly aligned with the outside edge of the sheet metal. With a combination of these manipulations you can create anything from flat sheet and you. He shows a little trick an. Then use your bend allowance to draw your second bend line the intervening distance between your bend lines bend radius.

Here s a good rule of thumb for most materials. 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. The inside bend radius should be equal to the thickness of the material that you re forming. Sheetmetal from flat to curved.

After all there are only four things you can do to metal. Mark your bend lines. Now that you know your bend allowance take your protractor and draw a clear line with your marker across the point at which you will bend your sheet metal. 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.

Then place a 2x2 inch strip across the sheet metal so the edge is aligned with the line drawn on the 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.