Dust Port

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GoNavy
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Dust Port

Post by GoNavy »

I ordered a new band saw cover, should be here next week, it has a dust port built into the door, but it is I believe a 2 1/2 inch port. I run a Harbor Freight dust collect with a drop above the BS and it uses a 4 inch hose. My question is what is every body doing in this situation, running an adapter from 4 to 2 1/2 at the port or using a short 2 1/2 inch hose to the drop. I am thinking it will work better to run the four inch all the way to the BS port. Any advice is welcome, thanks
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Skizzity
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Re: Dust Port

Post by Skizzity »

I would run your 4" all the way to the port and just turn a coupling to fit like I did here. http://www.shopsmith.com/ss_forum/viewt ... ng#p212175
PowerPro Mark 7, 11" Bandsaw, 4" Jointer, 12" Professional Planer, DC3300 Dust Collector, DW745, DW718 w/ DW723 and a DW788 w/ DW7880.
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jsburger
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Re: Dust Port

Post by jsburger »

My thought has always run the largest hose as close to the machine as you can. So I agree with Skizzity. I use a 2 1/2" elbow also so the hose is out of the way
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rpd
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Re: Dust Port

Post by rpd »

GoNavy wrote:I ordered a new band saw cover, should be here next week, it has a dust port built into the door, but it is I believe a 2 1/2 inch port. I run a Harbor Freight dust collect with a drop above the BS and it uses a 4 inch hose. My question is what is every body doing in this situation, running an adapter from 4 to 2 1/2 at the port or using a short 2 1/2 inch hose to the drop. I am thinking it will work better to run the four inch all the way to the BS port. Any advice is welcome, thanks
Gene Howe mounted a 4" toilet flange on his bandsaw cover to run 4" hose all the way. http://www.shopsmith.com/ss_forum/viewt ... 587#p95587
Ron Dyck
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JPG
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Re: Dust Port

Post by JPG »

Ya want volume, or velocity?
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sheldonaGP
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Re: Dust Port

Post by sheldonaGP »

I am also running the Harbor Freight dust collector (larger unit) and agree that running the 4 inch hose to the device is appropriate. However I used a reducer from 4 inch to shop vac size I think it is 2 1/4 inch. To then attach to the device I went to the plumbing aisle and bought the 2 inch rubber patch section. It's great because it is flexible and can expand but can also easily be sealed with the hose clamp. Then I found some hose clamps that had flat thumb screws and this makes it easy to attach and tighten without tools. If you want I can send pictures of how I did it.
ERLover
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Re: Dust Port

Post by ERLover »

JPG wrote:Ya want volume, or velocity?
For dust collection, it is a balancing act depending on the machine. Very hard to figure on the machine, how air tight, and run of hose, ect. Not a pure Engineering science. Well I guess it could be, but then just change a blade/tooth count ec and Oh Well, back to the slide rule!!! ;)
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