Here is one way to make a cone from flat stock.
Forming a cone from sheet metal.
By doing so the sheet can be bent or stretched into a variety of complex shapes.
Mo applications june 11 2016.
Sheet metal forming processes are those in which force is applied to a piece of sheet metal to modify its geometry rather than remove any material.
I used aluminum sheet coil but you could use paper or any flat material.
Northern manufacturing is a sheet metal fabrication company specializing in stainless steel fabrication.
It allows you to determine either the size of raw material needed or the number of gore sections to fit on your available material.
3 pinch rolls of various sizes and roll diameters allows rolling of cylinders and cones.
Sheet metal cone calculator.
Light weight sheet metal cones are often used in metal duct work in ventilation systems and cones made from heavy plate are used in metal duct work for steel mills and other large manufacturing applications.
Forming custom metal cones.
The applied force stresses the metal beyond its yield strength causing the material to plastically deform but not to fail.