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Miter Saw Dust Collection

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Forum topic by Nreese posted 02-09-2018 04:11 PM 875 views 0 times favorited 8 replies Add to Favorites Watch
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Nreese

19 posts in 312 days


02-09-2018 04:11 PM

Topic tags/keywords: miter saw dust collection

Hey all,

First post here. I just got a new miter saw and was trying to get all fancy with the dust collection set up. I used 2 1/2” hose between the saw and the cyclone separator and the separator and the shopvac. After about a week of cuts with the saw I’m starting to think the 2 1/2” hose might have been overkill.

Thoughts on shifting to a 1 1/2” hose?

-- An intelligent man is sometimes forced to be drunk to spend time with his fools


8 replies so far

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josephf

207 posts in 2302 days


#1 posted 02-10-2018 05:02 AM

in this situation i see your point ,does not help .change it back to the smaller hose and see if it improves. this particular saw maynot be the best at dust collection but any help is worth it . maybe you can find a bigger vac ,more suction could help .home depot has ridged ,they make a few models that are quieter .not familiar with the new model craftmen .the old ones howl /loud .

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Andybb

1524 posts in 809 days


#2 posted 02-10-2018 05:37 AM

Welcome! Nice looking setup.

I also have my ms on a seperate system. Use this mod for the dust coming off of the blade. The small hose actually works better than my 2 1/2 in hose. Maybe cuz the 2.5 in. is 15 ft long then goes into a separator before going into the big shop vac. With that mod coming off of the blade and the hose only being 4ft long the system works awesomely well. Plus with a filter inside, (I use a thin tee shirt) you might try skipping the separator. No real need for it since dumping the little vac is as easy as dumping the seperator. Plus you will still have to dump your the little vac because over time it will fill up with the residual from the seperator. My little vac with my little hose sucks like a banshee. I think it gathers over 90% of the dust. Plus, I think the restriction going into your vac is the limiting/controlling factor. Might be different if the vac was 2.5”.

-- Andy - Seattle USA

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Jim Finn

2687 posts in 3127 days


#3 posted 02-10-2018 10:42 PM

Do you want dust collection to avoid sweeping or do you want it to protect your lungs? If it is your lungs, a SIX inch duct to a dust collector is the answer and it will only do an “OK” job, at that, on a miter saw.

-- No PHD just a DD214 Website> craftingcouple.com

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Nreese

19 posts in 312 days


#4 posted 02-12-2018 02:14 PM



Plus, I think the restriction going into your vac is the limiting/controlling factor. Might be different if the vac was 2.5”.

Thanks Andy!

I was thinking the same thing. Not sure if it would be easier to get smaller hose or a bigger shopvac. I’ve got an extra one in the in-laws garage, it’s a 5.5 hp and I was thinking of using that for my table saw, planer, and router.

-- An intelligent man is sometimes forced to be drunk to spend time with his fools

View rwe2156's profile

rwe2156

3174 posts in 1686 days


#5 posted 02-12-2018 03:09 PM

The Bosch is on the lower end of the ratings dc-wise.

I’ve seen a couple guys modify the dust chute to improve it.

-- Everything is a prototype thats why its one of a kind!!

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josephf

207 posts in 2302 days


#6 posted 02-12-2018 03:09 PM

try it out just for an experiment and let us know .also change the hose down .curious if it would change any thing that you would notice

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Andybb

1524 posts in 809 days


#7 posted 02-12-2018 03:27 PM

I think you should use a smaller hose, eliminate the separator and do the mod for the dust chute I linked to. Don’t think you’ll gain anything by going bigger especially just for that one tool.

The planer will be a challenge. It’s the only thing my 2 1/2” hose can’t suck without me having to clear the end of the hose every few minutes. Lotta chips coming off of that. But it’s still better than them ending up on the floor. My big shop vac is in a plywood cabinet lined with carpet padding on wheels that my drill press, scroll saw and grinder sit on. The 5 gal separator is mounted on the wall. I just don’t have room for a big system. I use a bag in the shop vac that only has to be dumped once or twice a year as long as I dump the separator regularly. It’s amazing how tightly packed that bag will get with fine powdered dust.

-- Andy - Seattle USA

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josephf

207 posts in 2302 days


#8 posted 02-12-2018 05:15 PM

i use cyclones in front of mine .for mitersaw i think it is essential [note i said i think ] a dust deputy will catch the fines and keep filter clean way longer .thus not having a immediate drop in effeciency . do not know how well seperator OP has works .it maybe more for catching bulk shavings .
agree fully that the saw would do well with some sort of shoot system to channel stuff to the opening .

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