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10 Top Tips for Dust Collection

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Boards with round holes in, gate housing

Here's a quick-and-easy dust-collection blast gate

Here's a dust-collection blast gate you can build quickly and easily without spending much money. First, cut all the pieces from 1/4" Baltic-birch plywood and bore the 4 1/2" holes, as shown, with a circle cutter. Then, glue and clamp the plywood spacers to one of the 7x7" plywood pieces. Now, cut a 4" section of PVC cold-water drain coupling in half and epoxy the coupling halves in the 4 1/2" holes, flush with the inside surface of the plywood.

When the glue and epoxy cure completely, assemble the two halves of the blast gate with glue and brads. Now, slide the gate into the gate housing and connect your dust-collection piping to the PVC couplings.
--Eugene O'Hara, Independence, Mo.

Four Dust Collector Plans

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Comments (8)
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kwhit1902111 wrote:

I see how you made your shear valves & that's what they are. Anyways, Epoxy doesn't work to good on wood & PVC for any length of time. For items of high use like this, I made my shear valves out of 4 1/2" round duct. And, flat sheet metal.

8/16/2012 11:58:09 AM Report Abuse
nmicke wrote:

wurth1, if you cut the tips of the blast gates off, on the outside where they plug, they will no longer plug.

2/9/2012 11:05:20 PM Report Abuse
conrack wrote:

If you drill a small hole in the corners of the sealed end of the plastic gates, it allows a little air flow from those corners and helps prevent dust accumulating there.

3/3/2011 10:06:05 AM Report Abuse
apla wrote:

This is very nice and all. but, what the heck is a "blast gate" for?

1/30/2011 03:20:06 PM Report Abuse
byteme2 wrote:

Mount your blast gates upside down and they don't get clogged.

1/29/2011 11:09:06 PM Report Abuse
wurth1 wrote:

Hey all. Its certainly entertaining to read the humorous bantering on some of comments... My nickel's worth. I have the premade plastic blast gates and find that their design allows for debris to be captured in the corners of the seeled end, keeping the gates froms closing all the way. Cleaning them is quite a hassle. The design above looks like it eliminates that problem, so I will be making on to replace my most notable problem and see if its worth it.

10/30/2010 08:02:45 PM Report Abuse
douglasnoelking wrote:

Malcolm, maybe some of us LIKE to build things.

10/30/2010 03:55:22 PM Report Abuse
J.R. Sloan wrote:

Don't be such a grump, Malcolm. Nice thing about this idea is that it lends itself to modification to fit the spaces available in my shop.

10/28/2010 03:03:56 PM Report Abuse

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