Version 3 - 4"/100mm Cyclone dust separator

An even larger, and better working dust separator than my old version 2!
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updated November 29, 2024

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This Printed great on mt CC2, I did cut the top into 3 sections. I used PLA-CF, everything printed nicely and glued together with CA glue to assemble, I then went back and layered 2 part epoxy on all of the seams, I have not tested this yet but it looks like it will work just fine.
Thank you for the great file!

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Printed like a dream on my Neptune 4plus, just needed supports for the upper part.

Any guidance for how the tube with the curved bite out of is intended to line up with the cap? Is it supposed to overlap on the inside or sit flush?

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Looks great, the inlet tube should butt up to the top cap little 1/2 round area, and slightly over lap arching back. I had real issues getting all the parts to line up and fit during testing with my 4 printers at the time as every printer/slicer distorted it one way or another. so I sorta gave up trying to make it "snap together" as I had mine working and it was getting frustrating, LOL. Again, HOT GLUE is a fabulous adhesive and gap filler that is way stronger than you'd think, and seals as well. And as I state in the description, I highly recommend coating the outside with some sorta paint/sealer after glue up to really seal air tight not just the joints but the 3D printing as it's not truly air tight in most cases. Have fun, mines been working great now for yrs!

@Thomllama thanks for the quick reply! So sounds like I should overlap the inlet inside the lid by maybe 5 mm? That does seem to make the curves match pretty well. (edited)

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Works great. Scaled it to fit on my A1. Cut the flange off in Bambu Studio and printed it to install and reinforce from the inside. (edited)

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Nice, lol, but I have a design more suited to that size hose/vac… this is more designed to handle “dust collectors” , big 4 or 5” hose with high volume. This is high pressure, lower volume. For shop vacs.
https://www.printables.com/model/74660-cyclone-vacuum-dust-separator-version-41-1-to-1-12 (edited)

Need to finish gluing it up and strengthening it a bit but in printed well, thank you for the model.

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Just put it together, will test it out once I get my dust collector sorted out

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Just what I was looking for! Question: What sort of CFM do you need for this to work efficiently at 4"?

@Daniel_2914031 honestly, no clue. Pretty much any vac with a 4”/100mm inlet is pulling enough. I wouldn’t use this with a shop vac or such sized hose. I have a separate cyclone for that style vac setup.

Would it hurt to print this and maybe use with 2 inch house adapters?

@Johnny50_277487 probably not, though you'll loose a tad of air flow in the actual cyclone so not sure how much material it'll spin out. I also have smaller one, but that might be too small. I would design another but don't have any 2" pipe or vac for it to test with.

@Thomllama thanks for quick answer. I will more than likely print the smaller one as I just got small garage shop. I actually found the small one and planned on printing it first then found this one. Always like the works better.. lol

Any chance you would be willing to share step files of the seperator?

@Sarge013 mostly, no, Sorry but used to and had a person friggin steal the model, then try and claim it as his and get mine deleted. Was on thingiverse yrs ago, but learned a lesson. what do you want to mod? change?

@Thomllama Totally understand, I've been in the same boat. Just tweak a few things beef it up in a couple of areas and make the inlet/outlet compatible with a magnetic coupling.

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Would you prepare a 120mm version? or provided files from which this could be done?

@paproh_199902 it’s a complete rework to change size, everything needs to be sized and “volume” modified for it to work properly. A 120mm (4-3/4 inch) would end up much to large to 3D print unless you have one of these new mammoth sized printers, as it’s not just the tube size, but inlet, flow on both sides of the center/outlet and the outlet itself would have to increase the whole thing at least 60mm.

Great model. I had trouble with my first print of the cap, but that was down to the supports detaching from the build plate. The second print was perfect, and the remaining parts printed without supports. I used construction polyurethane adhesive sealant to join the parts, which seals the gaps nicely.

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Can you share a STEP or Fusion Model?
Hopefully, I will be sharing a make soon.

@willimnot I used to, but had a couple people steal items, try and sell it and even claimed it was theirs, so I stopped sharing "editable" files. :/ (edited)

@Thomllama have you considered selling the design yourself? I know if you made one w/ parts that fit Bambu Labs standard 256x256 build plate, you'd have sales.

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All parts can be easily glued together. Thank you for the great model. printed with Bambu Labs ABS on Bambu Lab X1C. 0.6 nozzle 20% infill

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@David_334022 Did you split the model prior to printing?

@Tihshho_1119653 i cut the two top parts in half