What router vacuum should I use?

Hardware
22

This one is much cheaper but not sure if it fits exactly to what you need: POWERTEC 70136 4-Inch to 2-1/2-Inch Cone Reducer

23

thanks. i also have one on order from harbor freight which arrived early
so i think we’ll go with that.

24

There is a big difference between how a dust collector and a vacuum work. You will not get hardly any flow when you neck down a dust collector to a 1 1/4" for the router. I would be surprised if you will get enough flow to make it worth the trouble.

25

marm https://forums.maslowcnc.com/u/marm
February 17

lilimade:

goes from the 4"

on the dust collector to the 1-1/4" router

There is a big difference between how a dust collector and a vacuum work.
You will not get hardly any flow when you neck down a dust collector to a 1
1/4" for the router. I would be surprised if you will get enough flow to
make it worth the trouble.

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In Reply To
lilimade https://forums.maslowcnc.com/u/lilimade
February 14
how do you have it connected to the ridgid router? i have not been able to
find a hose adapter that goes from the 4" on the dust collector to the
1-1/4" router. thanks!

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26

didn’t @bar say he used the harbor freight dust collector? that’s why i got it.

2 Likes
27

I do and I it works great. I get almost no sawdust on the floor at the end of the day. I agree that duct collectors generally want to run in larger pipes but it still works well and the bag doesn’t get clogged as quickly as my shopvac and the dust collector is much quieter

3 Likes
28

Which one are you using?

29

I use this one:

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30

I have the similar red one, with a trash can lid style separator, on a 16" wood lathe. I keep meaning to replace the 30 micron bag with a better one, but I try to wet sand with that orange flavored degreaser to keep the dust down.

Dust collectors are high volume low pressure to suck in fine dust and the flow rate drops off quickly with restrictions, plus the debris usually goes through the impellor to the filter. Shop vacs are low(er) volume but handle a higher static pressure with less of a dropoff and are made to handle the chunkies, with the air going through a filter before it hits the fan. With that big an impeller and horsepower the HF should have a lot of margin

1 Like
31

Yeah, one tool on a DC that large, even with a lot of restrictions is still going to build a ton of vacuum. Plenty for one short run of hose and one tool.

1 Like
35

Reviving and old thread because I couldn’t find the answer…

@bar, how are you adapting from the 4-inch inlet to router outlet? Do you convert “up” from a smaller hose to 4-inches at the dust collector or do you run a 4-inch hose and then closer to the router convert “down” to a smaller hose?

36

I ran a 2.5 inch hose and then converted down with a custom off center adapter which you can get the files for here:

http://maslowcommunitygarden.org/Rigid-Hose-Adapter.html

1 Like
37

Ok… so at the dust collector, you adapted up from 2&1/2 to 4-inch, correct?

1 Like
38

i plan on using one of these attached to my shop vac for chip collection:


It’s like the plastic “dust deputy” ones, but made out of metal, so less likely to have issues with the wood abrading the inside of the cyclone.

39

Yes, the dust collector came with an adapter for that

40

Oh, good to know… thanks!

41

Since we’re living in the future with home CNC machines, I plan to connect mine directly to the interstellar vacuum.

2 Likes
42

My local HD has this https://www.homedepot.com/p/Dustopper-High-Efficiency-Dust-Separator-12-in-dia-with-2-5-in-hose-36-in-long-HD12/302643445?keyword=Dustopper&semanticToken=22240+++>++++st%3A%7Bdustopper%7D%3Ast++cn%3A%7B0%3A0%7D++dustopper+%7Brest%7D++dln%3A%7B553653%7D

Looks ok, similar cyclones are cheaper on eBay but take a while to ship from China.

1 Like
44

Have you received the cyclone yet, and how is it working?

I’ve got a burned out $30 around 10 gallon shopvac that would make a good substitute for a 5 gallon bucket with the defunct motor removed. Shame the electrics weren’t as good as the molded base

45

I was excited to find a cheap harbor freight solution, but when I clicked on the price of $144, not anymore even with 20% off coupon. .There has got to be a cheaper quieter solution.