Electronics > Projects, Designs, and Technical Stuff
Yet another resistance decade box
smgvbest:
Finally got the 3D Printer fixed and printed up my enclosure. it needs some tweaks of course.
I printed a sample with a 30% infill and the screw holes did not work to good so final will need to be printed with a greater infill percentage.
Here's photos of the printed case and assembled.
While I like the front and back plate idea, I like the print quality better when its printed whole.
once the tweaks are done I'll release the STL files for it.
ez24:
--- Quote from: smgvbest on August 15, 2016, 11:35:53 pm ---Finally got the 3D Printer fixed and printed up my enclosure.
--- End quote ---
Looks nice, wish I had one (hint hint)
Edit: how can you refuse someone with such a pretty forum picture?
Back2Volts:
--- Quote from: smgvbest on August 15, 2016, 11:35:53 pm ---Finally got the 3D Printer fixed and printed up my enclosure. it needs some tweaks of course.
--- End quote ---
Neat ! Very neat!
bitseeker:
That case looks great. I assumed that you were printing the base in one piece, just selecting the desired front/rear panel before printing.
smgvbest:
Thank you for the comments
The front/back panels are actual snap/slide in panels that are printed separately. There are guides in the bottom part and up the sides. then the top part has groves to lock it in place. it's actually very strong this way and no give on the panels when you push on them. the walls are 1.5mm thick for the front and back panels. When I printed them i did so with them laying flat mainly so the embossing would print nicer. I may try a print on edge and see how that comes out.
on the other side of this. I got it fully assembled and my 10 decade box has a 1.5ohm total contact resistance. that's 150mOhm per decade averaged.
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