Here is one way to make a cone from flat stock.
Forming a cone from sheet metal.
View the cone instructions below to learn how to manually layout the flat pattern for a truncated cone in single or multiple gore sections.
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.
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.
It allows you to determine either the size of raw material needed or the number of gore sections to fit on your available material.
By doing so the sheet can be bent or stretched into a variety of complex shapes.
Forming custom metal cones.
Northern manufacturing is a sheet metal fabrication company specializing in stainless steel fabrication.
The applied force stresses the metal beyond its yield strength causing the material to plastically deform but not to fail.
Mo applications june 11 2016.
You can find cone calculators online.
I used aluminum sheet coil but you could use paper or any flat material.