| Project by ChunkyC | posted 1072 days ago | 3501 views | 27 times favorited | 11 comments |  |
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I made a 12 disc sander like Jeff’s. See his here Jeff's Disc Sander.
I made a few changes to the original; I had a 1/2 sheet of 3/4 Baltic Birch Plywood that I used instead of the MDF the plans called for, it has a screw that acts a stop for the table to rest at 90 degrees (see picture 2), I added a length of 2” PVC pipe to get the dust collection connection back were I can get to it (see picture 3) and I used a quick disconnect bushing that I got from McMaster-Carr for somewhere around $7 instead of the “pulley” method in the plans.
My shop, like most ever other shop, has a limited amount of space. So I use the router table to set the sander on. This does two things for me, 1) I can use the dust collection from the fence for the sander and 2) I can use the start/stop switch for the router for the sander
I need a way to fasten the sander to the top as it tends to slide around. I’m thinking that I will make a bracket that will utilize the fence adjustments slots already in the top. I don’t have the finer points of that sorted out yet but I think it work just fine. It needs a light sanding and coat of polyurethane. Other than that, she’s ready for hard use.
This has got to be the simplest idea for a disc sander that I know of. I had difficulties getting the table installed in the correct position but the stop screw helped that out a lot. For the $14.00 that I spent tonight for (2) 80 grit sanding discs, this was a VERY affordable project. The store where I got the sanding disc has a Delta for sale for $229! If you have a spare 1/3 HP or larger motor laying around, this is an excellent use for it.
I’m thinking about adding laminate to the table top. Anyone have any cons to doing so?
Thanks for looking
Chunk
-- Chunk's Workshop pictures: http://spadfest.rcspads.com/thumbnails.php?album=135
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11 comments so far
ChunkyC
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849 posts in 1423 days
#1 posted 1072 days ago
Now might be good time to remove the blue tape on the false draw front. lol
-- Chunk's Workshop pictures: http://spadfest.rcspads.com/thumbnails.php?album=135
Jeff
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#2 posted 1072 days ago
Hey, nice job Chunk yours looks more carefully put together than my own. Did you have any vibration issues with the disc? I have thought about replacing the disc with MDF (since it’s generally flatter than ply).
-- Jeff
Bearpie
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#3 posted 1072 days ago
I would much rather see a laminate on the surface as it will help your work to slip and slide easier and will aid in the ease in sanding over the polyurethane coat. Good build on this, I’m in need of a belt sander and disc sander but will wait.
Erwin, Jacksonville, FL
-- Erwin, Jacksonville, FL
Abbott
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#4 posted 1072 days ago
Yeah, I have a 12” disc and it gets a LOT of use, nice work.
-- Ohh mann...pancakes and boobies...I'll bet that's what Heaven is like! ♣ ♣ ♣ ♣
ChunkyC
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849 posts in 1423 days
#5 posted 1072 days ago
Jeff: “looks more carefully put together than my own” All I can about that is looks can be deceiving! I had no vibration problems at all. I use a router with a small trammel to cut the disc. I already had a round piece of ply from my Thein Barrel Separator project and I used that. I installed the disc on the motor a fired her up with the motor just setting on top of my workbench. It didn’t even try to walk away! I got lucky. I did fasten it down before sanding the edge to 12” though.
-- Chunk's Workshop pictures: http://spadfest.rcspads.com/thumbnails.php?album=135
ChunkyC
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849 posts in 1423 days
#6 posted 1072 days ago
maluco: The pulley is what the plans call for for attaching the disc to the motor shaft. I used the quick disconnect bushing instead. The disc sander is direct driven.
c
-- Chunk's Workshop pictures: http://spadfest.rcspads.com/thumbnails.php?album=135
ChunkyC
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849 posts in 1423 days
#7 posted 1072 days ago
Oh and I don’t recommend that you operate the sander with the motor leads tossed of the shaft of the motor like that. (This is me shaking my head now!!)
-- Chunk's Workshop pictures: http://spadfest.rcspads.com/thumbnails.php?album=135
woody57
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#8 posted 1072 days ago
good job
I would laminate the top
-- Emmett, from Georgia
BillyJ
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#9 posted 1072 days ago
Thanks for posting. It gives me some ideas.
-- I've never seen a tree that I wouldn't like to repurpose into a project. I love the smell of wood in the morning - it smells like victory.
fritzz67
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98 posts in 1074 days
#10 posted 1072 days ago
cool sander very useful where did you get motor ??
-- Richie, PA - " from rough cut to fine rustic furniture "
Skylark53
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#11 posted 1072 days ago
Looks great. You’ll use it a lot.
-- Rick, Tennessee, John 3:16
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