How To Create Lip In Sheet Metal Boxes

Use the corner notcher to cut out any right angles.

How to create lip in sheet metal boxes.

Make sure that it is lined up with the line you measured earlier. 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. We will now build a lip groove combination to facilitate placing the mating parts in a physical assembly. The box i have my students create in class ends up being 5 5 x 2 x 3 5.

A flat version of your box. Mike was thinking that perhaps you wanted this out of sheet metal. Ihope you find this interesting and got inspired by this. Once all of the squares are cut out you ll be left with the four flaps.

Bend the edge 90. This is a basic tool project. Make the box like a modified refrigerator and door or like one would be like if the fridge was laying on it s side. Orient the view to the inside of the part like the following image.

This will create a lip. Make sure the lip button is selected in the dialog box. It shows the layout cutting forming and three different options for welding the box togethe. Insert the first edge into a bending brake.

Bend a 3 4 inside flange on the lid with a 1 2 inside lip with hem for rigidity. Select plastic part panel to display the plastic part panel and then select lip. Then split lines and shell. The tool used by sheet metal workers to curl over the edge of sheet metal to make a lip is called a burring machine i think it is also called a jenny at least that is what they use to form lips on circular objects.

Bend a 1 inside flange for the box with a 1 2 outside lip with hem for rigidity and to shed water away from the box. 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. Take a look at the attached file and perhaps you will get some ideas. This is a tutorial video on how to make a sheet metal tool box.

The patterns for a cardboard box will look very similar to what you need to plan out for the sheet metal box. Did a couple of cut extrudes with direction. Then i made the box over sized and just chopped up the necessary surfaces using offsets. On the ribbon click 3d model tab show panel icon.

One thing to be aware of here is that depending on the kind of plating the part will receive after fabrication as well as the type of material it s made of the insert may need to be installed before or after the post processing operation. 1 first you want to make an expanded template for your box out of cardboard paper etc. You ll be bending over the edges of these flaps to make smooth edges for the top of the box.