I used aluminum sheet coil but you could use paper or any flat material.
How to bend a cone sheet metal.
Video of the day volume 0.
You will use the protractor to gauge the brake as you bend the metal little by little.
Video showing the processes involved in producing a steel cone.
Draw a circle on the sheet metal with a pencil compass.
Want any raw materials or tools check turntopre.
To remove irregularity or improve uneven bends place a hardwood piece lengthwise along the bend and hit the bend with increased strength using a heavy duty hammer or mallet.
Cut the section of metal out or otherwise prepare the metal to be bent by removing any burrs or sharp edges.
Monkeys spinning monkeys by kevin macleod.
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.
Turntopretty howtobendmetal the video tutorial is showing you how to bend plate metal sheet in one minute.
It allows you to determine either the size of raw material needed or the number of gore sections to fit on your available material.
Draw a line onto your sheet metal the same length as you want the slanted edge of your cone to be.
It a job that requires a little skill and a lot of patience.
The pencil will make the circle and the slight indentation where the compass has been anchored should be noted.
Here is one way to make a cone from flat stock.
View the cone instructions below to learn how to manually layout the flat pattern for a truncated cone in single or multiple gore sections.
Mark one end of the line pivot and the other end wide step 2 cut a length of string with a loop at one end and the other end held at the pivot mark.
Sheet metal cone calculator.
You can find cone calculators online.