You ll need to be careful with your blows here as it s easy to ding the sheet metal and create divots and gouges.
How to roll sheet metal.
Sheet metal is a metal being formed by a manufacturing process into thin flat pieces.
Draw a line onto your sheet metal the same length as you want the slanted edge of your cone to be.
The string should be.
How to roll a metal cone step 1.
Once you ve got your u shape place your piece on a work table or anvil and finish the roll by tapping the edge down into the sheet for a simple flat fold or back into the roll for a thicker beaded roll.
Mark your bend lines.
Cut a length of string with a loop at one end and the other end held at the pivot mark.
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.
Place the tip of your marker.