Electronics > Projects, Designs, and Technical Stuff
Equipment Case Sources and Modifications
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engrguy42:

--- Quote from: todd_fuller on April 14, 2020, 05:41:43 pm ---Woodworkers would refer to that as a scroll saw.

--- End quote ---

Oh yeah. I just had a flashback to high school wood shop class  :D

Looks like you can get one on Amazon for in the $100-150 range.

Hmmm.....

Though I suppose you can only cut holes in something that is relatively flat. But looks like it would work nice if cutting out a flat front panel to install switches and meters. And you can use a guide to make them straight since it's on a table.

Coolness...
engrguy42:
Oooooo....

Dremel Moto Saw. Only $90. Handheld/portable, or clamp it to a table. Nice

james_s:

--- Quote from: engrguy42 on April 14, 2020, 04:57:58 pm ---Yeah, no question you'll need a file to finish no matter what you do. Just seems to me that a Dremel gets you 80% there a whole lot quicker. Maybe I have a mistaken view of a nibbler, and not sure how that would work with a reasonably thick junction box plastic or metal. But hey, whatever works.

--- End quote ---

A nibbler is limited in the thickness it can do to about 1/16", however in practice I have found this to rarely be an issue. If I do need to cut something thick then I skip to other methods, like drilling out as much as I can and then finish up with a file.
engrguy42:
I'm right on the edge of deciding to drop $90 on this Dremel Moto Saw thing, but I'm wondering if anyone who does a lot of case modifications can think of any negatives.

Seems almost ideal to me...you drill a tiny starting hole, feed the tiny saw thru, and maybe set up a simple guide (it comes with one) to make sure you have a perfectly straight cut. And to me the best thing is since the saw blade is so tiny it should work with any size square cutout you need to make. For example, I need a tiny square cutout for a 1/2 inch rocker switch, which might be tough with a Dremel or nibbler or just drilling holes. Especially with some thick plastic junction boxes. And heck if you need a big square cutout for a panel meter or something you can do it in seconds.

And if you look at the video you can do an accurate and clean cutout in seconds.

Am I missing something?
rdl:
I have a Proxxon MF-70 mini mill. It can do lots of stuff but was expensive. Cutting this hole for an LCD is the very first thing I did with it. It's not perfect, kinda sloppy actually, but I honestly had no idea what I was doing at the time. The rounded corners are due to the size of the mill, for perfectly square you'd have to use files for that part.


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