Magnetic stirrer bar vs 3d printed impeller

  Рет қаралды 32,305

legacyofbob

legacyofbob

3 жыл бұрын

25mm bar vs 3d printed impeller with glued in magnets
The containers I'm using have a small bump at the bottom so the "bar" style that comes with the stirrer makes an awful racket. The 3d printed impeller seems to move the liquid better at a lower power setting, but if you push it to high speed then it's not balanced enough and flies off.
Here's the stirrer
www.amazon.com/gp/product/B07...
Here's a link to the STL of the impeller
www.thingiverse.com/thing:369...

Пікірлер: 21
@Humbulla93
@Humbulla93 2 жыл бұрын
you could try a lily impeller it´s the most efficient impeller for mixing
@TheIcemanModdeler
@TheIcemanModdeler Жыл бұрын
Hard to find the exact container size like that that’s airtight. The impeller would need a cage if it’s used for cleaning 3d prints so it won’t keep hitting them.
@legacyofbob
@legacyofbob Жыл бұрын
Yeah I have a grid-platform that fits the interior dimensions and has feet in each corner to hold it up far enough from the impeller/bar. Then I have a stick that comes up to almost the top of the container so I can lift the platform and part that being cleaned up and out. I'm using these plastic containers you see in the video that have a rubberish seal around the lid but they are not super ideal because they have the small bump right where the impeller sits. I would prefer glass but that is much tougher to find and more expensive.
@TheIcemanModdeler
@TheIcemanModdeler Жыл бұрын
legacyofbob Right, really hate that small nub in the center bottom of the container. I just remove the IPA from it after us, keep it in a bottle, last time the resin in the dirty IPA hardened at the bottom, it was like cotton balls so I filtered it.
@ksharber
@ksharber 8 ай бұрын
Nice work, Bob
@ksharber
@ksharber 8 ай бұрын
Was this build for a washing station? 👀👀
@1islam1
@1islam1 4 ай бұрын
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@benjamindees
@benjamindees Жыл бұрын
Very cool
@guttagutta420
@guttagutta420 2 жыл бұрын
Awesome at lower speeds and perfect for my purposes. You wouldn't happen to have the STL file would you?
@legacyofbob
@legacyofbob 2 жыл бұрын
Here you go. www.thingiverse.com/thing:3692362
@mumblety96
@mumblety96 Жыл бұрын
how do I get one? surprisingly hard to find commercial.
@DeckEdge
@DeckEdge Жыл бұрын
that is so much more quiet, would it work better in a cylindrical container?
@rudolphcirton362
@rudolphcirton362 2 жыл бұрын
Where can I buy and put this together? Also are these safe for mixing beverages
@legacyofbob
@legacyofbob 2 жыл бұрын
This is the stirrer and it comes with the pill shaped stirring bar which is coated with Teflon and should be food safe. The orange impeller is 3d printed and would not be food safe as FDM 3d printing introduces microscopic cavities in the plastic which can harbor bacteria, and resin-based 3d printing would be toxic. You could coat them in a food safe epoxy I suppose but I would probably just use the included Teflon bar. Here is the link, you'll need your own container. www.amazon.com/gp/product/B072K24X5P/
@thedutchman8793
@thedutchman8793 2 жыл бұрын
How do they stand up in an autoclave?
@legacyofbob
@legacyofbob 2 жыл бұрын
I've never used an autoclave. Since I believe autoclaves get up to about 130C I would think you would want to use PETG or ABS plastic since PLA heat deflection temperature is far too low. It would be even better to use a resin-printed version because they will have less surface imperfections and can withstand even higher temperatures depending on the type of resin.
@feezanansar3069
@feezanansar3069 Жыл бұрын
Kia ya Pani garm b karta ha
@isabellaculotta1420
@isabellaculotta1420 2 жыл бұрын
What size magnets did you glue in?
@legacyofbob
@legacyofbob 2 жыл бұрын
6x3mm round magnets like this. www.amazon.com/gp/product/B07KZQGWNN/ Good luck!
@willworkfordogecoin
@willworkfordogecoin 2 жыл бұрын
Could I purchase one of these from you
@legacyofbob
@legacyofbob 2 жыл бұрын
I don't really sell them because the price is prohibitive. They are super cheap to make if you have a 3d printer. If you are hard up and really need one let me know and we can work something out. I think I still have the magnets around since I had to buy like 50 of them. If you are just looking for the stirring plate and teflon bar that used in the first part of the video you can find them here. www.amazon.com/gp/product/B072K24X5P/
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