One way you can form the blank is to take a round disc of sheet metal and use a hammer to make a depression.
How to work with copper sheet metal.
Many applications require holes to be drilled or punched into sheet metal.
Bending sheet metal can be tricky but with the right tool it s easy.
Copper itself is a conductive metal.
Because the metal is soft and very easy to work with it can be cut punched bent and hammered with very little effort.
I usually use a pair of snips to cut 10 mil.
So whenever metal sheets need to work as conductors copper sheet metals are more preferred.
As with any other typical fabrication task there isnt always a right or wrong way to do the job.
Bending sheet metal by hand is a manageable task if the piece of sheet metal is small and thin enough to handle.
And unlined stainless steel sheets it s an unalloyed type of sheets.
When you do this draw a circle pattern on a piece of paper.
Thankfully there are a couple of wallet friendly options that can help you get the job done.
Cut it out and trace it on the sheet metal.
There are several properties in copper sheet metals for which it s preferred in many industrial and commercial purposes.
Those who work with it regularly are likely to have a sheet metal bending brake in their workshop but this tool can be a bit expensive for the hobbyist.
This video shows you how to safely use the torches in this classroom as well as anneal a piece of copper and add firescale.
Copper sheet and copper plate find use in a huge array of applications.
Work from the outside edges in while rotating the disc.
Here are photos of some of my work using 10 mil copper sheets.
I have created metal atcs and metal collage cards with 10 mil copper sheet.
There are a number of applications that require the use of copper sheeting including crafts and even kitchen accents.
You can also use a pair of scissors or a utility knife but the edges are very sharp so you will want to be careful.
One of few metals that doesn t need to be extracted from ore i e it is directly usable in its natural state copper exhibits excellent thermal and electrical conductivity good ductility and a natural resistance to corrosion.
This method is mainly used for softer metals such as copper and brass.