Bench Power Supply

Yesterday I put together a simple wood box for a DIY bench-top power supply. I had the electronics for awhile now (I forgot when I bought them, but it was probably around a year ago) but just never put them all together. I bought a used 24V, 13A power supply and a DPS5005 front panel/regulator.

I put together a quick CAD model of the box using slot construction and 1/8" wood:

The back part would be on the ground so the front is tilted up.

However, I realized after making this model I probably didn't have enough 1/8" plywood to make all the faces. I redid the design to have panels slot into thicker material and came up with this:

3/4" wood for everything but the front and back panels.

I flattened everything out and just ran contour toolpaths on everything. I had to break up the parts into separate programs because I wanted to use the edges of wood scraps where there was only enough room for some of the parts.

It took awhile to cut everything because I had to change stock between nearly every part. After cutting it all out I screwed the box together:

Front panel cut out.

Bottom plywood is a little scuffed.

Back panel.

I didn't realize how thick the banana plugs I ordered were (I was always imagining the ones on  commercial power supplies like Keysight bench PSUs), and the little cutouts around each pair of plugs are a little small.

I have small DC-DC boost converter on the way to boost the 24V to 48V since the DPS5005 can take in up to 50V. The left most output is the output from the DPS, and middle is 24V out, and the right will be 48V out (it might actually never be useful and it could just be another 24V out).

Also: a fun picture of some more endmills I bought a few weeks ago (I just had to buy some more real brand name 1/8" endmills after seeing how good actually sharp cutters are). I have yet to try the single flute cutters on acrylic but the two flutes ones cut the wood in this project perfectly.

Sharp.