Dust collector quieting - Router Forums

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post #1 of 19 (permalink) Old 04-20-2017, 04:10 PM Thread Starter
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Default Dust collector quieting

The wife said she can't stand the smell of saw dust. She doesn't want me to cut wood in the basement anymore. Our kitchen and dining room are just above the shop. I figure it is time to put some remediation in place. A dust collector is an obvious solution, but my table saw is a small craftsman that doesn't have a dust port. I made a collector at the bottom out of wood bu there are a lot of gaps so scrapped that idea a while back. Maybe should revisit or get a table saw that is built for dust collection. Another thing I can do is put some sheet rock or paneling or something on the ceiling (open joists) to prevent any dust floating up through the old floors.

My original question is what part of the dust collector makes the most noise? I'm assuming it is the impeller/vac and wondered if using a 2 stage system and boxing in, hard foam insulation possibly, the impeller assembly would be feasible. Now, consider that I don't do a lot of work or long term, I don't see heating being an issue. I don't think I'd ever have the thing on for very long except possibly for routing. I could make something that would allow me to open it for long term use to prevent heating, and just accept the noise issue when wife isn't around or I must use router.

Thoughts?

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post #2 of 19 (permalink) Old 04-20-2017, 04:19 PM
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I know my 1700 CFM 2 stage dust collector is way quieter than a 6.5hp shop vac

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post #3 of 19 (permalink) Old 04-20-2017, 05:19 PM
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On the noise insulation the Rockwool bats that Lowes sells as sound insulation are better than rigid insulation. so if you enclose the dust collector in a closet type box, you could use the sound batts and then cover them with HF moving blankets cut them and staple them over the sound insulation. It will do wonders for sound.

As far as the craftsman contractors saw , make a box under it and put a DC port in it to attach to the DC. I made a sliding panel of plywood cutout for the motor mount and belt for my old craftsman to enclose the bulk of the big holes in the back and you can leave all the holes and slots open around and under the saw for make up air to get in for the DC. It will suck way more air than those openings and that will help pick up stray sawdust that falls around the saw.
Hope this helps.
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post #4 of 19 (permalink) Old 04-20-2017, 06:01 PM
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I don't know if it's possible to even get most of the dust from a TS. As much is probably above the table as below. The previous suggestions for sound deadening are good but to make sure that none goes into the rest of the house I would run the basement at negative relative pressure, sucking replacement air from the upstairs and exhausting air to the outside to keep the basement at negative pressure relative to the rest of the house. That should keep all the dust going out and not up and might also help with the noise levels (unless you happen to be outside near the exhaust).
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post #5 of 19 (permalink) Old 04-20-2017, 08:04 PM
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Hi Herb,

As you know I've spent a lot of effort on DC stuff. My small shop has really altered for the better after installing a Wynn 1 micron drum filter on the HF 2hp unit. This thing really pulls a lot of air and almost nothing in the way of particles gets away. The other thing that has helped is the installation of a WEN filter, the cleans out the fine, airborne particles that never make it to the DC. It is pretty cheap on Amazon.

The rest of the stray sawdust is from the top of machines, And that takes hoods and individual DC solutions. I recently bought an over arm DC for the table saw, but haven't had time or energy to put it in place. I have a good 10 inch saw with excellent below table dust collection. DC already exists on most of my other tools. Some are better than others.

I contained the messiest tool, the sliding miter, by hanging a clear shower curtain around the back side of it. By pulling the blade through the piece toward me, a chute is created that when I push back to complete the cut, throws nearly all the sawdust back into the curtain. The curtain is gathered at the bottom into a box with a DC fixture on the bottom. But it's that pull-push move that really does the job, not so much the suction.

Add a chip collector to your DC unit. Lots of good designs out there. Pick one.

One thing I think you'll have to address is carrying the sawdust up on your clothes and shoes. If momma don't like it, it's time to make some changes. Here's what I'd do:

Get a dust collection fixture that makes it easy to vaccum up the floor every time you do some work down there. My DC has a 4 inch tube (rockler with a wide spout) to pick dust up off the floor. Don't let it sit there, it will find its way up

Install the WEN (now $118) https://www.amazon.com/WEN-3410-3-Sp...rds=WEN+filter

Find a way to brush off your shoes. Try this, but mount it on a box into which you can plug your DC hose. https://www.amazon.com/Boot-Cleaner-...+cleaner+brush

Along with brushing off your shoes, find a vacuum attachment that will let you vacuum off your shirt and trousers. Do this very thoroughly or momma won't like it. If you have sawdust in your hair, you can vacuum that off too, but don't go after your ears. Sawdust in your hair gets on momma's pillows.

Consider getting a full coverage apron to catch as much sawdust as possible. Close up the pockets. Vacuum it after use. Denim Woodturner's Apron | Rockler Woodworking and Hardware

If you can manage it, find a way to lay down some linoleum or paint the floor to make cleanup easier.

Clear away everything from the floor, up the wall 16 inches to make cleanup easier to do.

I'm sure you could do a lot more, but these fixes really worked well for me, and didn't cost that much. The Wynn canister filter was the big item, the WEN unit wasn't bad, the shower curtain and hanging hardware was maybe $25. I already had the long 4 inch hose and fixtures. A small price to pay for peace at home.
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post #6 of 19 (permalink) Old 04-21-2017, 12:08 AM
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If youre not running any dust collection you are SERIOUSLY damaging your health. You only get one set of lungs, and you should search the disease COPD to give you an idea of what youre heading for by breathing in sawdust. If your wife can actually smell sawdust in the kitchen, then not only is she breathing it as well, but its settling in all your food. Its the dust thats too small to see that is the real problem.

You can run a flexible hose across the workshop roof and have a drop down hood over the saw blade, and you can block up all the holes in the base if you dont buy a new saw.
This is the way to make the dust extraction noise level acceptable.


I run mine in a similar cabinet to this and the noise has dropped from an ear piercing scream to a low whine that can not be heard when any other machine is running. I also run it for quite long periods and have never had an over heating issue, even when I can hear it start to work harder when the filter inside gets blocked.
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post #7 of 19 (permalink) Old 04-21-2017, 02:53 AM
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Quote:
Originally Posted by DesertRatTom View Post
Hi Herb,

As you know I've spent a lot of effort on DC stuff. My small shop has really altered for the better after installing a Wynn 1 micron drum filter on the HF 2hp unit. This thing really pulls a lot of air and almost nothing in the way of particles gets away. The other thing that has helped is the installation of a WEN filter, the cleans out the fine, airborne particles that never make it to the DC. It is pretty cheap on Amazon.

The rest of the stray sawdust is from the top of machines, And that takes hoods and individual DC solutions. I recently bought an over arm DC for the table saw, but haven't had time or energy to put it in place. I have a good 10 inch saw with excellent below table dust collection. DC already exists on most of my other tools. Some are better than others.

I contained the messiest tool, the sliding miter, by hanging a clear shower curtain around the back side of it. By pulling the blade through the piece toward me, a chute is created that when I push back to complete the cut, throws nearly all the sawdust back into the curtain. The curtain is gathered at the bottom into a box with a DC fixture on the bottom. But it's that pull-push move that really does the job, not so much the suction.

Add a chip collector to your DC unit. Lots of good designs out there. Pick one.

One thing I think you'll have to address is carrying the sawdust up on your clothes and shoes. If momma don't like it, it's time to make some changes. Here's what I'd do:

Get a dust collection fixture that makes it easy to vaccum up the floor every time you do some work down there. My DC has a 4 inch tube (rockler with a wide spout) to pick dust up off the floor. Don't let it sit there, it will find its way up

Install the WEN (now $118) https://www.amazon.com/WEN-3410-3-Sp...rds=WEN+filter

Find a way to brush off your shoes. Try this, but mount it on a box into which you can plug your DC hose. https://www.amazon.com/Boot-Cleaner-...+cleaner+brush

Along with brushing off your shoes, find a vacuum attachment that will let you vacuum off your shirt and trousers. Do this very thoroughly or momma won't like it. If you have sawdust in your hair, you can vacuum that off too, but don't go after your ears. Sawdust in your hair gets on momma's pillows.

Consider getting a full coverage apron to catch as much sawdust as possible. Close up the pockets. Vacuum it after use. Denim Woodturner's Apron | Rockler Woodworking and Hardware

If you can manage it, find a way to lay down some linoleum or paint the floor to make cleanup easier.

Clear away everything from the floor, up the wall 16 inches to make cleanup easier to do.

I'm sure you could do a lot more, but these fixes really worked well for me, and didn't cost that much. The Wynn canister filter was the big item, the WEN unit wasn't bad, the shower curtain and hanging hardware was maybe $25. I already had the long 4 inch hose and fixtures. A small price to pay for peace at home.
Wow Tom that is a great post on dust collection with a lot of information. Can you post a picture of your miter saw dust collection? I would be interested in seeing what you did. Here is what I did but I am always looking for better. I use both a shop vac and a big dust collector.




Don in Murfreesboro,Tn.

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post #8 of 19 (permalink) Old 04-21-2017, 06:49 AM
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She doesn't like the smell of dust or doesn't like the physical dust period?

What woods are you cutting? If it's the smell she doesn't like then make things with Walnut - she'll love the smell of that!!

David

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post #9 of 19 (permalink) Old 04-21-2017, 08:52 AM
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Very impressive Bob. A video is worth a thousand words. Thanks.

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post #10 of 19 (permalink) Old 04-21-2017, 12:39 PM
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@hawkeye10 Thanks, I am a throat cancer survivor and take the carcinogenic threat of some sawdust seriously, let alone COPD.

The pictures show how the curtain is hung. What isn't visible is that the back edge of the table top has a piece of curtain plastic attached so almost all sawdust shoots back and falls into the gathered pocket at the bottom where the DC attaches. But in fact, the attached DC isn't really necessary to contain the majority of sawdust, it is the pull-push cut that does the trick. The second picture shows the way I hung the curtain, using an upside down metal bracket to mount the 1 inch dowel. Since these pictures I've added a top sheet of plastic that overhangs the saw slightly that has helped catch rising particles. The suction at the bottom isn't really enough to pull all the sawdust off the curtain, I have to tap it lightly to make it fall down into the DC fitting. When taping, use the silver duct tape. It really holds well on the plastic.

I generally have to pull the saw out 4-6 inches from the wall to have the workpiece clear the other machines that surround it. At that point, the curtain is all the way up to the edge of the workpiece. The width of the curtain is actually wider than the table by several inches on each side, so there's nowhere for the sawdust to go than into the curtain. I live in the desert so it's always dry, and there is a bit of static cling that holds most of the really light sawdust on the curtain until I tap it.

Not shown is the WEN unit, which is close by the curtain so the circulation pulls the fine stuff up and through the filters. Hang the WEN or other brand filter near the wall so it creates a circular air flow around the shop. If it runs for 2 hours, the shop air will pass through the filters a dozen or more times.



One other thing, I have a clip on the wall where the DC hose and spout hangs. To make shop bench DC work, I hang a small hose above the bench and run it over to the spout. The small hose has a 4 inch fitting that drops into the spout and I have suction.
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