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Thread: Dust Hood For Bosch Glide Saw
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7th May 2018, 02:12 AM #46Senior Member
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Thought I'd throw my belated effort into the ring as well. It's been in the gunnado list for quite some time, but wasn't until I finally got around to doing the bench for it that I tried replicating Chris's design. Here 'Tis:
image.jpg
Full marks to Chris, because there's nothing here that was really designed by me. apart from knowing how big the saw is, the dimensions were governed mostly by the size of off cuts I had lying around! But it works, amazingly well. One thing I did do was cut a scrap of Masonite board to fit around the base of the saw, which ramps from behind the fence to the plenum. I'll take some pics tomorrow. Prior to adding that it worked ok, but I was blown away by how much more effective it became. My saw is missing the dust tube and flexible boot, so it sprays swarf everywhere, but with the base board in place it picked up all visible dust on a 90° cut, and was still getting most at 45° mitres. And this was with less than optimal suction, as I still had open duct to the Minimax combo.
image.jpgimage.jpg
Here is the added ramp to the plenum, which made a big difference for me. The Bosch dust tube arrived today and I've fitted it, but it needs 38mm ID hose so I was unable to connect it to the Shop-vac. It actually appeared more effective without the tube fitted, because the swarf that hits the tube goes straight up the tube and scatters. Still way better than the fertiliser spreader the saw was before.Last edited by richmond68; 7th May 2018 at 07:47 PM. Reason: Add pics
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7th May 2018 02:12 AM # ADSGoogle Adsense Advertisement
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2nd June 2020, 08:52 PM #47Novice
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OK, got to ask, don't you only need the cut out at the bottom if that's where the collection is going, ps:I know obviously I'm missing something.
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2nd June 2020, 10:49 PM #48GOLD MEMBER
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The slot at the bottom pulls the dust and debris in and it then travels up through the plenum behind the saw into the duct at the top. A small dust extractor of limited capacity may not be strong enough to do that so you will need to keep that in mind. I have no idea what Rchmond68 is using but I am using a Clearvue 1800. keep in mind the primary reason for deigning a hood is to hold and extract the fine dust but of course doing that captures the bigger debris as well. The bottom slot neds to be sized to the extraction duct size. By coincidence this appeared in my YT feed tonight if you want something simpler but how it rates on fine dust control I have no idea but I would suggest not well.
CHRIS
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