Magnetic PCB Holder - Embedded Magnets

by AdanA, published

Magnetic PCB Holder - Embedded Magnets by AdanA May 2, 2013



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Inspired by Sneakypoo's work, I ended up remodeling from scratch to make this. It's a handy pair of... jaws?... for holding PCBs during soldering or other work.

Also discussed here: http://www.makersite.com/blog/2013/5/2/magnetic-pcb-holder-nylon-printed


Slice 'n' Print! I used Nylon but ABS or PLA would be fine. After slicing, visualize the gcode (using Netfabb or Pleasant3D or similar) and figure out where you need to pause it to drop your magnets in. I use Sailfish firmware and use the Pause and ZPos feature.

The cavities meant to hold the magnets begin to be capped off at a height 3.34mm above the base plane (assuming you're orienting as I did for printing). That should help you decide where to pause... but do double check, as there are sometimes tricks about starting elevations, etc., depending on the slicer settings. (Thanks, Austin!)

The magnets are neodymium, very strong, 0.5" diameter x 0.1" thick disks.

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I've been developing some designs that use internal magnets (I'm... a bit behind on posting), but they're coming from OpenSCAD scripts that echo out the heights where the pauses are needed.

Come to think of it, for your model you could just post the height at which the capping occurs, since Sailfish's pause-at-z feature appears to stop immediately before the layer that contains the entered height (so how it's sliced shouldn't matter).

Good point - edited accordingly.

Looking forward to seeing some of your designs! I know the feeling... I have a backlog of post-ables too. In time, in time.