How To Cut A Cone Shape Out Of Sheet Metal
Cut out your cone template from the sheet metal using your tin snips then file the edges smooth to avoid cutting yourself or someone else with the cone.
How to cut a cone shape out of sheet metal. Enter hole slant height up slanting edge of the cone and hole diameter and hit draw. View the cone instructions below to learn how to manually layout the flat pattern for a truncated cone in single or multiple gore sections. Roll the cone template into a cone shape starting at the wide end working toward the pivot point end. Drill a few holes through the overlapping rectangular shape.
As you do this you will see the circle begin to contract into a cone. Cut out the cone template from your sheet metal using tin snips and file the edges smooth of any burrs of rough sections with your file. Step 5 roll the template into a cone shape overlapping the sheet metal by 1 2 inch then drill a few holes along the seam and seal it closed by placing rivets in the drilled holes. If you want to get more specific however you should start with a circle instead then cut a wedge out.
The easiest way to make a cone is to start with a semicircle then overlap the straight edges until they form a cone shape. Overlap one cut side onto the other. To mark holes or lines around the cone check holes or lines and enter number of incremetns. Sheet metal cone calculator.
Depending on how deep you want the cone stop where needed. The cone has a diameter at the top smaller than the diameter at the bottom and to accurately trace the shape onto sheet metal you need to make a template out of construction paper. This is just one way and i find that is the easiest and quickest way. Beginning at the cut push the pieces of sheet over each other.
It allows you to determine either the size of raw material needed or the number of gore sections to fit on your available material.