13" Dust collector Blower Fan Assembly

by Iceytee Dec 8, 2016
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Where is the top support ring .stl?

Awesome design...and really cool info on the friction welding

Sorry about that. Thanks for bringing it to my attention! I must have spaced there. I uploaded it and it's there now. Thanks again!

Where is the top support ring .stl?

Awesome design...and really cool info on the friction welding

I like this idea. If the fan on my dust collector ever broke, I'd probably see that as an excuse to print one.
3 suggestions.
I wouldn't copy the wood one. It doesn't appear to be really efficient. The design of the wood fan was severely limited by using wood as material. 3D print designs have virtually no limitations. Curving the blades, or whatever, is easy, Search here for "turbine" for some projects with STLs, which might be modified, scaled up (or down) and / or divided into sections for printing. Or maybe follow a commercial design.

I'd incorporate a screen of some kind so when a little chunk of wood gets sucked up, it doesn't destroy this thing. Plastic is weak and these prints are weaker.

Glue is OK when there's lots of surface area, which is lacking here. Rather than glue, this looks like a perfect candidate for friction welding. http://www.thingiverse.com/thing:1807093

Spin welding rod

Thanks so much for the info! Especially the spin welding idea, I didn't know about that.
My main issue with designing this was that my Uncle doesn't live near me at all. I also don't know much about fan techniques. I had to figure this out with a few pictures to go on. I would have liked to at least slant the blades but I didn't know which way his motor turned so I wasn't sure which way to slant them. So, you could say I took the safe route.
He did say that there is a cyclone filter in front of this fan so I am keeping my fingers crossed that that will do the job.
I am interested to see just how this will hold up. I honestly don't have a lot of high hopes for it. But... it was fun to design and print at least.

Oh. Lack of access to the machine makes it tough. I searched google images for: impeller dust collector. Funny thing is that his design is not so far off from the basic commercial impeller designs.

This is a popular project. Some guys even managed to curve the wood blades. Blades might be slightly off-set, rather than radial. I have no idea about design maximum efficiency. Even the manufacturers would rather cut costs than design them properly.

I think if it is balanced, and if it only sees dust, and if sections are thick enough, it'll last a long time. When it eventually dies, determine why, and beef it up if possible..

Yeah the welding thing is handy for big projects, and for making repairs or additions to prints, rather than printing anew. Not really pretty, but much stronger than glue. And instantaneous. Also doesn't chemically attack the plastic.