When laying out a simple box with tabs the tabs will meet the perpendicular face of the next side when folded up to 90 degrees so when you are folding your tabs measure in from the edge of the material the.
Design sheet metal tool box plans.
To make things easy for my students i designed our classroom box so it would be able to work on the size of a standard 8 5 x 11 piece of paper.
We start the box by making its sides.
Use the corner notcher to cut out any right angles.
Make the tray.
This is the first multiple part project my students work with in class that they will have to assemble together.
I have a graph paper drawing in the pics below but its not for this box 2 trace your template on to your piece of sheet metal as pictured i suggest 20 22 gauge steel 3 cut your piece into the same shape as template.
The box i have my students create in class ends up being 5 5 x 2 x 3 5.
Bends have radius sheet has thickness and tools need space to access a bend.
The sides will be 3 x 3 but we add 1 2 tabs on three sides.
This is the last sheet metal project i assign in my level one manufacturing class.
I like this project because it makes the students re.
Sheet metal is a different creature in this respect.
A flat version of your box.
Sheet metal tool tray.
It is easier to cut off a 4 x 12 strip if you have a 12 x 12 sheet first then cut two 3 1 2 pieces from that strip.
So mark out two 4 x 3 1 2 sections of sheet metal and cut it in the metal shear.
Crosscut the four supports from a length of l shaped aluminum.