3D Printed Stir Plate Build

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NoNothing

Well-Known Member
Joined
Aug 1, 2008
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Location
Chattanooga, TN
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Finished build, 3 running.

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All the parts I need. I went with a pretty dang fast (2300RPM) 120mm fan. Speed controller is off Amazon and the rest is 3D printed or screws

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Getting everything all wired up and into the shell

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Bought 5/8"x1/4" magnets off McMaster for I think $8 per. They're over kill, I could have gone with something weaker. These will pull the stir bar in from anywhere. I glue them to the shell I designed to fit on the fan so they're centered.

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There we go, glued on the fan and perfectly centered.

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#6 screws and some washers for adjustable spacing.

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Wire the fan up and trim the screws

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Here's a video of them running:

[ame]https://www.youtube.com/watch?v=Rp8B72q5c4U[/ame]

The dang stir bar in the 5L has a pivot ring making it loud as freaking hell.
 
I love the magnet holder! That solves a lot of tedious work trying to balance the magnets to get a wobble free spin. It a much more elegant solution to what I did. :)
 
would you be willing to share the files for the magnet holder? you know.. in case I can get my hands on a person with a printer who has no idea what i'm talking about but willing to print for me?

That would be reeeeaallllyyyy raaaaaddd....

Thanks!
 
I also would like to get the .stl files. Finished building my 3d printer recently. Also why did you use a rubber band on the fan?
 
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