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post #1 of 16 (permalink) Old 01-05-2015, 03:01 PM Thread Starter
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Default A Dust Problem

What's the best way to remove dust from the air while using a 5" ROS?

I just got a new Bosch ROS, which is really good ... but it's clear that the filter that came with it doesn't filter enough dust out of the air. I do have a 1-1/2 hp dust collector with cyclone, but haven't connected this ROS to it.

I could:

1. connect the ROS to the existing dust collector. ($25 or so for the hose & fittings)
2. use a downdraft table, connected to the existing dust collector ($100 or so for the parts)
3. use a big hood, connected to the existing dust collector ($40 for the parts)
4. buy a new shop vac style dust collector, and connect the ROS to it ($125 or so for the shop vac and fittings)
5. buy a high-end shop vac style dust collector and connect the ROS to it ($400 for the shop vac, $15 for the fittings)
6. install an air filtration system ($400 +)
7. continue to wear a dust mask and frustrate the Mrs. (infinite cost)

I'm leaning towards # 2, but welcome your advice.

I have a 2-car garage workshop, and am primarily making cutting boards and other household items right now. I am generating too much dust that's not captured by the existing system, so I need a solution.

Henry
Santa Clarita, CA
www.MowryJournal.com

Last edited by rrrun; 01-05-2015 at 03:03 PM. Reason: addition
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post #2 of 16 (permalink) Old 01-05-2015, 03:07 PM
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I like #7, sure keeps the wife out of the shop.lol or go with #2

Making sawdust & scraps all at the same time
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post #3 of 16 (permalink) Old 01-05-2015, 03:24 PM
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#8 ...open the garage door and work outside (with a fan blowing the dust away).
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post #4 of 16 (permalink) Old 01-05-2015, 03:49 PM
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Quote:
Originally Posted by rrrun View Post
What's the best way to remove dust from the air while using a 5" ROS?

I just got a new Bosch ROS, which is really good ... but it's clear that the filter that came with it doesn't filter enough dust out of the air. I do have a 1-1/2 hp dust collector with cyclone, but haven't connected this ROS to it.

I could:

1. connect the ROS to the existing dust collector. ($25 or so for the hose & fittings)
2. use a downdraft table, connected to the existing dust collector ($100 or so for the parts)
3. use a big hood, connected to the existing dust collector ($40 for the parts)
4. buy a new shop vac style dust collector, and connect the ROS to it ($125 or so for the shop vac and fittings)
5. buy a high-end shop vac style dust collector and connect the ROS to it ($400 for the shop vac, $15 for the fittings)
6. install an air filtration system ($400 +)
7. continue to wear a dust mask and frustrate the Mrs. (infinite cost)

I'm leaning towards # 2, but welcome your advice.

I have a 2-car garage workshop, and am primarily making cutting boards and other household items right now. I am generating too much dust that's not captured by the existing system, so I need a solution.
#2...
raid a dumpster that services an HVAC company (or several)... off set the cost of furnace filter holders and the squirrel cage... maybe even a motor belts and pulleys...
ask in their shop and you may be able to score what you need for token money..
drop ceiling light grid for the top or narrow vertical slatting like on storm drain...
if you use a squirrel cage and furnace filters the CFM will be outstanding and substantially higher than w/ a DC hook up...

Plan "B"...
really large rectangular plastic bin, light grid and a 4" hook up (6" preferred) to the DC..

notes...
you'll need to support the plastic light grid(s) against flex/breakage...

plans....

10 Downdraft Table Plans and Build Notes for Wood Shops |

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!!!
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post #5 of 16 (permalink) Old 01-06-2015, 10:22 AM
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Not long ago I saw a great dust collector that was just a big box with 2 air chambers separated by filters, with a large blower (recovered from an old AC or swamp cooler unit). The blower sucked massive amounts of air through the two filters and chambers, then out through a wall. The unit was ply with doors to each chamber for changing out the filters and cleaning out any fallen sawdust. It was used along with normal chip and sawdust collection system, and was used intermittently to clear out the fine particles in the air. Here is a blower on Amazon FYI: http://www.amazon.com/dp/B000BK687I/...I24Z77V9A2E2MM It is all about airflow when it comes to dust control.
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post #6 of 16 (permalink) Old 01-06-2015, 10:40 AM
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A quick fix and relatively cheap is a box fan with an inexpensive furnace filter on the in side with a more expensive 1 micron filter on the air out side with a plywood frame housing the whole setup. You will be surprised how much dust it captures.
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post #7 of 16 (permalink) Old 01-06-2015, 11:51 AM
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Quote:
Originally Posted by rrrun View Post
What's the best way to remove dust from the air while using a 5" ROS?

I just got a new Bosch ROS, which is really good ... but it's clear that the filter that came with it doesn't filter enough dust out of the air. I do have a 1-1/2 hp dust collector with cyclone, but haven't connected this ROS to it.

I could:

1. connect the ROS to the existing dust collector. ($25 or so for the hose & fittings)
2. use a downdraft table, connected to the existing dust collector ($100 or so for the parts)
3. use a big hood, connected to the existing dust collector ($40 for the parts)
4. buy a new shop vac style dust collector, and connect the ROS to it ($125 or so for the shop vac and fittings)
5. buy a high-end shop vac style dust collector and connect the ROS to it ($400 for the shop vac, $15 for the fittings)
6. install an air filtration system ($400 +)
7. continue to wear a dust mask and frustrate the Mrs. (infinite cost)

I'm leaning towards # 2, but welcome your advice.

I have a 2-car garage workshop, and am primarily making cutting boards and other household items right now. I am generating too much dust that's not captured by the existing system, so I need a solution.
I would go with #2 connected to DC with a 4" hose. Make your own Downdraft table, you can buy the top with the holes if you don't want to make it yourself from Rockler etc.
I made my own and made the top too as I wanted a larger one than the commercially built tops. I worked great, just have to find a place to store it. when not in use.

Herb
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post #8 of 16 (permalink) Old 01-06-2015, 01:15 PM
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My ROS gets a lot of use...Dewalt variable speed...

I take the bag off the bag and hook up a hose to the shop vac. I use the same configuration (different shop vac) to sand the bottom of the boat every year in prep for new paint. In fact, every time I use the ROS I hook it up to a hose and no dust flying around the place. If you lift the ROS on an angle, however, the vacuum does not work as well...flat is best. This configuration allows me to be more portable with the ROS...as I said I use it everywhere...

If you leave it portable (like mine) you will be able to sand pieces bigger than the table...when you need...

#2 sounds good if you have the room and can dedicate all your sanding to the table...

Good luck...Happy New Year...Nick

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post #9 of 16 (permalink) Old 01-06-2015, 06:25 PM
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Quote:
Originally Posted by Nickp View Post
My ROS gets a lot of use...Dewalt variable speed...

I take the bag off the bag and hook up a hose to the shop vac. I use the same configuration (different shop vac) to sand the bottom of the boat every year in prep for new paint. In fact, every time I use the ROS I hook it up to a hose and no dust flying around the place. If you lift the ROS on an angle, however, the vacuum does not work as well...flat is best. This configuration allows me to be more portable with the ROS...as I said I use it everywhere...

If you leave it portable (like mine) you will be able to sand pieces bigger than the table...when you need...

#2 sounds good if you have the room and can dedicate all your sanding to the table...

Good luck...Happy New Year...Nick
Nick , I made mine so it set on the work bench and when I didn't need it I stored it under the bench. I had a DC outlet over my bench with a 4" gate and flex hose to hook it to.

Herb
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post #10 of 16 (permalink) Old 01-07-2015, 05:01 AM
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My chop saw has a fitting for the shop vac but doesn't remove much dust.
#7- if it is the Mrs. who is dusting the house, you don't need to add to her housework. Happy wife, happy life!
Since I retired five years ago, I do all the housework so I don't need more dust! SWMBO still works full time.

John T.
Life is like water-skiing; if you slow down, you go down.
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