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Old 07-09-2018, 09:01 PM   #1 (permalink)
 
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Default 4 inch dust extractor cover

From time to time the sandpaper gets sucked out of my hand into the dust extractor hose which is a few inches away from the spinning workpiece. Anyone have a cover/filter so that only dust/fumes will be extracted and bigger objects don't get through? Was thinking some kind of mesh but maybe there's an easier way which I've overlooked.
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Old 07-09-2018, 10:27 PM   #2 (permalink)
 
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From time to time the sandpaper gets sucked out of my hand into the dust extractor hose which is a few inches away from the spinning workpiece. Anyone have a cover/filter so that only dust/fumes will be extracted and bigger objects don't get through? Was thinking some kind of mesh but maybe there's an easier way which I've overlooked.
Get a piece of window screening material and place in front.
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Old 07-09-2018, 11:00 PM   #3 (permalink)
 
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From time to time the sandpaper gets sucked out of my hand into the dust extractor hose which is a few inches away from the spinning workpiece. Anyone have a cover/filter so that only dust/fumes will be extracted and bigger objects don't get through? Was thinking some kind of mesh but maybe there's an easier way which I've overlooked.
Get a piece of window screening material and place in front.
That's what I was thinking off too but I'd like the ability to take on and off quickly, at the moment I'm thinking a rubber band but maybe some has a better idea.
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Old 07-09-2018, 11:18 PM   #4 (permalink)
 
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From time to time the sandpaper gets sucked out of my hand into the dust extractor hose which is a few inches away from the spinning workpiece. Anyone have a cover/filter so that only dust/fumes will be extracted and bigger objects don't get through? Was thinking some kind of mesh but maybe there's an easier way which I've overlooked.
Get a piece of window screening material and place in front.
That's what I was thinking off too but I'd like the ability to take on and off quickly, at the moment I'm thinking a rubber band but maybe some has a better idea.

How about attaching some magnets to it. Glue some small pieces or strips of metal to the hood if it is plastic but if it is metal then good to go. I get 25 per hour to do this. So what else you got
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Old 07-09-2018, 11:20 PM   #5 (permalink)
 
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I would use 1/2 square hail screen. A real hardware store will sell you a small piece, a box store will make you buy a whole roll.
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Old 07-09-2018, 11:26 PM   #6 (permalink)
 
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From time to time the sandpaper gets sucked out of my hand into the dust extractor hose which is a few inches away from the spinning workpiece. Anyone have a cover/filter so that only dust/fumes will be extracted and bigger objects don't get through? Was thinking some kind of mesh but maybe there's an easier way which I've overlooked.
Get a piece of window screening material and place in front.
That's what I was thinking off too but I'd like the ability to take on and off quickly, at the moment I'm thinking a rubber band but maybe some has a better idea.

How about attaching some magnets to it. Glue some small pieces or strips of metal to the hood if it is plastic but if it is metal then good to go. I get 25 per hour to do this. So what else you got
Like that idea and the hood is plastic, I'll send you the 25 blanks tomorrow.
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Old 07-09-2018, 11:31 PM   #7 (permalink)
 
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From time to time the sandpaper gets sucked out of my hand into the dust extractor hose which is a few inches away from the spinning workpiece. Anyone have a cover/filter so that only dust/fumes will be extracted and bigger objects don't get through? Was thinking some kind of mesh but maybe there's an easier way which I've overlooked.
Get a piece of window screening material and place in front.
That's what I was thinking off too but I'd like the ability to take on and off quickly, at the moment I'm thinking a rubber band but maybe some has a better idea.

How about attaching some magnets to it. Glue some small pieces or strips of metal to the hood if it is plastic but if it is metal then good to go. I get 25 per hour to do this. So what else you got
Like that idea and the hood is plastic, I'll send you the 25 blanks tomorrow.
Blanks is one thing I will never ever need again in my lifetime.
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Old 07-10-2018, 06:04 AM   #8 (permalink)
 
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"hardware cloth" is the mesh you need, make a removable filter with it
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Old 07-10-2018, 07:03 AM   #9 (permalink)
 
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A suggestion (although it may not be a great idea) - if you are using plastic pipe for your dust extraction, you may be able to find a cap that has slots or holes. These are used in drainage systems to prevent small creatures from entering the drainage system and finding their way back to a source (eg, back to the sump inside your house). The only problem with this solution is that the openings might be so small that it compromises the suction in your extraction system.

Hardware cloth is another option. I buy it by the roll to make protective cylinders for my wife to use to keep rabbits and other small animals from eating her plants. Its easy to cut and bend, so you can easily make a cap that just slips over the opening in your extraction system. It comes in various mesh sizes - 1/2" is fairly common, but there are others.

But the best solution might be chicken wire - same idea as hardware cloth, but with a much larger mesh that allows dust and shavings to be drawn into the extraction system, but blocks flying sandpaper disks. The only requirement is that the mesh must be smaller than the diameter of the disk.
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Old 07-10-2018, 07:30 AM   #10 (permalink)
 
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I'm sure there are dozens of places to buy this: https://www.betterbee.com/hardware/g...All%20Products
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