Drum sander design

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Blog entry by Bob506 posted 03-02-2015 05:59 PM 1164 reads 0 times favorited 1 comment Add to Favorites Watch

I am designing a drum sander much like the ones I have viewed here with a couple twists.

First thing I am wondering is how would a drum made of pvc pipe with end plates and 3 to 5 internal discs hold up? I will experiment with this since I have a lathe and can turn the discs.

Second item I am thinking is to use a treadmill for a powerfeed system. The belt will be around half the width of the drum capacity. I again don’t know how this will work with wider material but, If I can, and have, find a treadmill for 50 or under, I’ll give it a shot.

Anyone have experimented along these ideas yet? I am open to suggestions any insight anyone might want to share..


1 comment so far

View Grumpymike's profile


2439 posts in 3091 days

#1 posted 03-02-2015 06:56 PM

Hi Bob,
I built the V-Drum sander and used a piece of 4” PVC for the drum.
I used some 1” oak for the disks and cut them out on the band saw, as I didn’t have a lathe at the time and the fact that they don’t have to be perfectly round as they are inside the PVC.
I used a 3/4” shaft with ‘stop collars’ to secure the discs.
Mounted the whole assembly onto pillow bearings set on 2”x4” oak seats, ... and the seats mount to the floor of the cabinet.
I used an old furnace motor so that I would have speed control, (don’t use it much as low works the best).
After I set the top with the laminate, I went to work with 80 grit sanding block to true up the drum, then finished up with 120 grit and 240.
Placed the Velcro and sand paper and I was done.
Been using it for over a year now, and even though the drum isn’t perfectly round, it works really well, I use it on cutting boards and the like.
Mine is 30” long so a lot of the time I will put two grits on the drum side by side so that I don’t have to change them so often

-- Grumpy old guy, and lookin' good Doin' it. ... Surprise Az.

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