How To Layout Sheet Metal Cone

How to layout a cone.

How to layout sheet metal cone.

Learn how to layout a cone and the for. View the cone instructions below to learn how to manually layout the flat pattern for a truncated cone in single or multiple gore sections. The example shows how to lay out a cone 6 in. 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.

Label the corners abcd as shown figure 1. Mula these numbers can be replaced with your dimensions. There are many different ways to lay out this pattern. High with a 24 in.

It allows you to determine either the size of raw material needed or the number of gore sections to fit on your available material. Extend lines ab and cd upward until they intersect. Here is a fast method that doesn t require higher mathematics. The formula for the cone is first you must find the difference between the large and the small dia.

Using the slant length as radius scribe a circle on the material and snip. Multiply the large dia. Roll the cone template into a cone shape starting at the wide end working toward the pivot point end. Cones have several uses such as sheet metal chimney caps but the layout of a cone is puzzling to some craftsmen.

By the vertical height divide this product by the difference first obtained large dia and small dia. Note lay out your cone directly on metal with a pair of dividers and a scribe or use a compass to lay out your design on paper and transfer it to metal. Drill a few holes through the overlapping rectangular shape.