Dust Collector to Shop-Vac Hose Adapter

by yergacheffe, published

Dust Collector to Shop-Vac Hose Adapter by yergacheffe Jul 28, 2012
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This is a vacuum hose adapter that allows a Shop-Vac 45mm hose to connect to a Kent CNC dust collector which has a 4" diameter vacuum port.

The Kent CNC dust collector I just purchased has a threaded 4" vacuum hose connection, so this has an interior thread on the 4" section that fits directly onto it very snugly.

The other end allows a push-fit onto the 1.75" hose from my Shop-Vac.

I largely work in SolidWorks these days, so that's the CAD file format uploaded here.


I printed this on my Replicator at 0.25mm layer height. I oriented it vertically with the 4" section on the build platform.

The loft and threads were designed at a gradual enough angle to be printed without support material. If you slice thicker than 0.25mm the push-fit ridges on the 1.75" end might give you trouble.

The instance pictured here was printed with no raft, no support, 10% infill on a 120C HBP in black ABS. I had no issues with warping or lack of sticking and no strings in the overhangs or threads.

I've had much more success printing a variety of things since leveling my HBP with http://www.thingiverse.com/thing:23257 from phineasjw. It's brilliant.

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This is a great adapter setup - Do you sell these?

I don't sell them, but anyone who cares to can print them out and sell them if they'd like. The only caution is that I had to alter the sizes of each end a few times to get the best possible fit, so it might be fairly sensitive to how the machine is calibrated.

Nice mod! How do you like your KentCNC dust shoe?? Would you recommend it??

The dust shoe has made an incredible difference. Even hooked up to a relatively weak shop-vac it collects nearly all the dust from my CNC router. The workshop is pristine now instead of covered in particles.

I was putting off buying one for a long time because I planned to make one myself, but I'm very glad I got it. I would definitely recommend it!