V Drum Drum Details? - Woodworking Talk - Woodworkers Forum
 
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post #1 of 8 Old 12-15-2018, 01:28 PM Thread Starter
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V Drum Drum Details?

Hi,

I just purchased all the parts that I need to build a 30" V Drum sander except for the drum itself. I opted to spend the money on the steel tabletop instead.

StockroomSupply says that they use a 4" diameter polycarbonate tube that exhibits anti-static properties. I've never seen one of these in person, and I can't find any pics of what the drum looks like naked. I know I have many options for building a drum, but it would be great if I could just copy the design. So I have a few questions:

Is the OD of the tube exactly 4"?
What's the wall thickness or ID?
Do I need to worry about static?
What is the material between the drum shaft and tube?
Does anyone notice a difference in static between the factory drum versus a PVC or plywood disc drum?
How is the Velcro applied? Is it wrapped the same way that the sandpaper goes on?

Thanks everyone!
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post #2 of 8 Old 12-15-2018, 06:29 PM
where's my table saw?
 
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The drum is most the important part ...

there are quite a few ways to make the drum from laminated wood blocks turned to the same diameter in a lathe or as you suggest, a PVC cylinder.

Then you have the issue of attaching the sand paper, the easiest of which seems to be hook and loop material. My drum sander has mechanical lockers and I find those to be a bit finicky. Here's a DIY version that looks quite well thought out:


The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)
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post #3 of 8 Old 12-16-2018, 01:39 AM Thread Starter
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Thanks for the video. That's clearest I've been able to see anyone's.

I do have adhesive back hook and loop material. The video shows theirs very well.
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post #4 of 8 Old 12-16-2018, 09:40 PM
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Did you get the free plans from Stockroom for building it?

http://stockroomsupply.ca/shop/revie.../category/341/

“Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.”
― Marcus Aurelius
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post #5 of 8 Old 12-18-2018, 09:18 PM Thread Starter
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Yes, I did. But they're wasn't much to it. The instructions might as well say, "build a box, add motor, put lid on top".
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post #6 of 8 Old 12-19-2018, 01:53 AM
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It would appear that Stockroom offers both 2" and 4" diameter drums.
http://stockroomsupply.ca/shop/drum-...nder-kits.html

“Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.”
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post #7 of 8 Old 12-19-2018, 10:50 AM
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What an Awesome tool!

Gary
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post #8 of 8 Old 12-19-2018, 11:30 AM
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The bigger the drum the better unless you are using stock abrasive refills. Seems like 2" would have excessive flex??
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