Dust Collector Design - Router Forums
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post #1 of 43 (permalink) Old 05-20-2019, 08:19 PM Thread Starter
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Default Dust Collector Design

I haven't been here lately for a number of reasons, most recently I've been going through the hassles of selling my home in TN and buying a new one in Alabama.. The things we do just to be near our grand kids. I am getting a big benefit from the move which has me pretty excited. I will have a large basement located on grade level with one end open to the outside through sliding glass doors. Easy access and a lot of outside light.

But to get to my point, I want to install a dust collector system. This is all very new to me and I'm not sure what I'm planning will work properly. I read the previous posts on this on Routerforums as well as watched a number of videos on YT. See my sketch below. I believe it's fairly typical for the most part. My plan is to use a Harbor-Freight DC along with a Dust Deputy. I also plan on upgrading the DC with a Wynn filter. One of my concerns is the use of 2-1/2" flex hose.

1) Will the 2-1/2" hose be adequate for its intended purpose? The ports on the equipment are 2-1/2" thus the use of 2-1/2" hose.

2) Does anyone else run 2-1/2" hose to their equipment?

3) Would I be better off using 4" flex hose and then reducing down to 2-1/2" at the equipment. Would it make much difference?

4) Any suggestions on what to use to ensure a good seal on the connection of the trash can lid to the trash can?

I'm only showing 4 equipment hook-ups, but will probably add more; one for my miter saw and another for the Rigid oscillating sander.

Any comments, either design or installation, will be greatly appreciated.
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post #2 of 43 (permalink) Old 05-20-2019, 08:47 PM
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welcome back Chuck...
here's some material to study on...
every question you have and more will be answered..
there is a lot more if you need it...

..
Attached Files
File Type: pdf Dust Collection Research.pdf (90.3 KB, 32 views)
File Type: pdf Dust Collection Ducting.pdf (326.5 KB, 31 views)
File Type: pdf Design and Build your own dust collection system.pdf (124.2 KB, 30 views)
File Type: pdf D.I.Y. Dust Collection.pdf (67.6 KB, 31 views)
File Type: pdf Air Volume at Different Velocities and Duct Sizes.pdf (273.5 KB, 24 views)
File Type: pdf static flow cfm and fpm.pdf (505.9 KB, 24 views)
File Type: pdf Dust Ducting long article.pdf (981.3 KB, 26 views)
File Type: pdf Dust Collection System Design.pdf (103.2 KB, 32 views)
File Type: pdf Dust Collection System Design 10 April 09.pdf (274.6 KB, 35 views)

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #3 of 43 (permalink) Old 05-20-2019, 09:01 PM Thread Starter
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Stick, you never cease to amaze me with the magnitude of information you have. The Library of Congress would be jealous of your collection. Thanks a lot for the info.
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post #4 of 43 (permalink) Old 05-20-2019, 10:25 PM
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When you are using the 2 1/2” lines you might find it more efficient if you can open up the end of the main tube a bit. Particles are floated on an air stream and the smaller hose starves the main pipe for air volume. The 4” pipe will carry 2.5 times as much air volume as the 2.5 inch pipe will. (Radius of the large pipe squared/ radius of the small pipe squared)

Where in Alabama are you moving?!
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Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #5 of 43 (permalink) Old 05-20-2019, 11:22 PM Thread Starter
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Thanks for the tips Charles! Hoover, just south of Birmingham.
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post #6 of 43 (permalink) Old 05-20-2019, 11:57 PM
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I have a similar setup, but decided to get the 5 inch model of the Super Dust Deputy. The problem may be with making the adapters fit, so I suggest you order their metal connectors. The Wynn filter is what I have and it dramatically reduced the fines released into the shop. However, I suggest you check out the Grizzly filter, which has an internal beater arm to knock sawdust down into the collector bag. With the Wynn, you use compressed air to blast from the outside to dislodge the sawdust that eventually clogs the filter.

The Super Dust Deputy SDD, is about $170, more than the 2.5 inch model, but you won't have the problem of the drastically reduced air flow. A 4 inch circle is almost 29 square inches of area, a 2.5 inch circle's area is about 18 square inches. A sizeable difference.

I moved my HF unit out of the shop and into a covered space between my shop and another shed. I am slowly enclosing that space with doors on the end for access, after Stick suggested returning the AC and heated air to the shop after filtration. It is taking me some time to get this done because I tire easily these days. I will install additional filters over the return opening to make sure that air is clean.

I found fiber drums at ULine, online. I have two DC setups, one in the shop, the other in the garage, each has a 30 gallon fiber drum for chip collection. The price has gone up on these, but they are really nice.

The 4 inch Super Dust Deputy comes with a 15 gallon drum, which is just too smal. You can't buy the SDD 4 inch without the drum.

I have several friends living in Alabama. I just don't like the idea of the sweaty summers and hurricanes and twisters. I'll stick with the earthquakes out West.

The more I do, the less I accomplish.
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post #7 of 43 (permalink) Old 05-21-2019, 01:28 AM Thread Starter
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Thanks for your help Tom. I think I'll go with the Super Dust Deputy and 30 gal fiber drum as you suggested.

I'm kinda getting used to the sweaty summers. I don't believe I'll ever get used to the twisters. I dislike them more than hurricanes.
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Last edited by chuckgray; 05-21-2019 at 01:31 AM.
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post #8 of 43 (permalink) Old 05-21-2019, 06:18 AM
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Quote:
Originally Posted by chuckgray View Post
But to get to my point, I want to install a dust collector system. This is all very new to me and I'm not sure what I'm planning will work properly. I read the previous posts on this on Routerforums as well as watched a number of videos on YT. See my sketch below. I believe it's fairly typical for the most part. My plan is to use a Harbor-Freight DC along with a Dust Deputy. I also plan on upgrading the DC with a Wynn filter. One of my concerns is the use of 2-1/2" flex hose.

Any comments, either design or installation, will be greatly appreciated.
I still contend that the HF unit is a poor value/investment inadequate money pit when compared to so many better more reliable ready to use units that need nothing...

you can upgrade to 6'' units w/canister and separator included for all that not much more money than a HF reworked unit...

http://www.grizzly.com/dust-collectors
http://www.rockler.com/dust-collection/dust-collectors\

https://www.routerforums.com/tools-w...ale-cheap.html
https://www.routerforums.com/new-mem...ml#post2014547

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
Stick486 is online now  
post #9 of 43 (permalink) Old 05-21-2019, 07:21 AM
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Quote:
Originally Posted by chuckgray View Post
Thanks for the tips Charles! Hoover, just south of Birmingham.
My brother lives just north of Columbiana so shouldn’t be too far from you.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #10 of 43 (permalink) Old 05-21-2019, 08:42 AM Thread Starter
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Quote:
Originally Posted by Stick486 View Post
I still contend that the HF unit is a poor value/investment inadequate money pit when compared to so many better more reliable ready to use units that need nothing...

you can upgrade to 6'' units w/canister and separator included for all that not much more money than a HF reworked unit...

http://www.grizzly.com/dust-collectors
http://www.rockler.com/dust-collection/dust-collectors\

https://www.routerforums.com/tools-w...ale-cheap.html
https://www.routerforums.com/new-mem...ml#post2014547
Stick, I checked out the links for the DC's and they are less expensive than I thought, but still somewhat outside of my budget. I'll just have to see what I can do. For my clarification though, are you saying the $396 1-1/2 hp Grizzly will perform better than the ~$200 2 hp Harbor Freight? Big price difference.
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