How To Create Lip In Sheet Metal Boxes

Select plastic part panel to display the plastic part panel and then select lip.

How to create lip in sheet metal boxes. I used recycled sheet metal from computers and dvd players etc. This will create a lip. Did a couple of cut extrudes with direction. Mike was thinking that perhaps you wanted this out of sheet metal.

This is a basic tool project. 1 first you want to make an expanded template for your box out of cardboard paper etc. 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. 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.

Make sure the lip button is selected in the dialog box. 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. It shows the layout cutting forming and three different options for welding the box togethe.

Then split lines and shell. The patterns for a cardboard box will look very similar to what you need to plan out for the sheet metal box. A flat version of your box. Make sure that it is lined up with the line you measured earlier.

Use the corner notcher to cut out any right angles. You ll be bending over the edges of these flaps to make smooth edges for the top of the box. Ihope you find this interesting and got inspired by this. Bend a 3 4 inside flange on the lid with a 1 2 inside lip with hem for rigidity.

It has a couple of rollers that are on gears and rotate when the handle is turned. Orient the view to the inside of the part like the following image. 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.

Insert the first edge into a bending brake. 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. 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. Once all of the squares are cut out you ll be left with the four flaps.

Sheet metal is no different where panel fasteners and other types of pem hardware are used to bolster parts or provide threads for assembly. Then i made the box over sized and just chopped up the necessary surfaces using offsets. Make the box like a modified refrigerator and door or like one would be like if the fridge was laying on it s side.