Where to place dust collector on your band saw.

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Forum topic by pontic posted 03-03-2017 11:51 PM 1051 views 1 time favorited 3 replies Add to Favorites Watch
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634 posts in 779 days

03-03-2017 11:51 PM

I see some band saws have retro fit dust collectors on the bottom bearings area, some on the bottom blade cover. Where is the best place to place a dust collector port?
I have an old reliant 16” unit.

-- Illigitimii non carburundum sum

3 replies so far

View JollyGreen67's profile


1676 posts in 2934 days

#1 posted 03-04-2017 12:08 AM

Go to youtube Robo Hippy band saw dust collection system – he has the answer. Sorry, I don’t have the particulars of the correct title.

-- When I was a kid I wanted to be older . . . . . this CRAP is not what I expected ! RIP 09/08/2018

View JBrow's profile


1366 posts in 1091 days

#2 posted 03-04-2017 03:10 PM


My bandsaw came equipped with dual 4” dust ports, both below the table. The first is as close to the underside of the table and lower bearings as the manufacturer could place the port. The second is in bottom wheel compartment in the lower corner as close to the bottom and the vertical spine of the bandsaw as possible. When I crosscut or re-saw kiln dried lumber, no dust is left in the lower compartment with a 5 hp dust collector. Some dust is thrown on the table top, probably the result of the saw cutting the wood rather than dust being tracked in the gullets. I suspect that the above the table dust is partly due to a lack of downward air flow through the throat plate. When I place my hand near the throat plate I feel some slight, but not much, air passing through the throat plate.

I have a hard time imaging how dust collection could be achieved around or near the top bearings. Unless an above the table dust collection port is carefully engineered, I would think that enough stress could be imparted to the upper blade guard to induce a little flex. I doubt that even with a very powerful dust collector, that an above the table dust port would capture much table top dust.

Rob Cosman’s video shows a cleaver below-the-table retrofit dust collection apparatus. It directs all the air flow around the blade and seems to be very effective with a shop vac. However, even his dust port allows some dust to spew out across the table. His dust port works best if the table is never tilted but he does suggest a modification that could allow the table to tilt.

View AandCstyle's profile


3170 posts in 2428 days

#3 posted 03-05-2017 12:03 AM

Pontic, JBrow has the locations of the ports correct. However, don’t make the mistake that I did. I added the lower port to the door side and it makes it difficult when changing blades. Cut the hole in the side away from the lower door. Also, mount a brush by the bottom wheel to brush off dust that adheres to the wheel just before the lower port. I don’t remember where I saw that tip, maybe FWW. HTH

-- Art

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