Home made disc sander project

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Forum topic by Shane posted 10-01-2015 10:08 PM 18871 views 0 times favorited 3 replies Add to Favorites Watch
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294 posts in 2263 days

10-01-2015 10:08 PM

Well I took the first major step towards getting this done. I bought a Dayton motor off of CL today for $25. 3/4hp 1725 rpm. That should be plenty of power without going over. The guy said he got it at a parts auction and it may not have ever been used. It sure looks pristine. Now to rig up some sort of sanding wheel attachment once my foot heals and I can get back in the shop.

3 replies so far

View distrbd's profile


2252 posts in 2898 days

#1 posted 10-01-2015 10:23 PM

What are you going to use for the disc? I have seen them made out of MDF, particle boards, lathe aluminum sanding disc, and old turntable plate.

-- Ken from Ontario, Canada

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294 posts in 2263 days

#2 posted 10-01-2015 10:26 PM

My plan was to use 3/4 inch plywood. I’m going to take it to TSC and find a pulley/shaft key that will fit it and then drill through the pulley so I can bolt it to a round cut of plywood. I’m hoping to make it a 12 inch disc

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12870 posts in 2832 days

#3 posted 07-17-2016 05:21 PM

I’m probably saying what you already know but there are ways to make the pulley and disc concentric and I would recommend flattening the disc after you have it mounted on the motor. You could even make the pulley from wood.

-- Rick M,

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