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Table saw to sanding disc

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Forum topic by richardchaos posted 11-27-2017 12:04 PM 421 views 0 times favorited 15 replies Add to Favorites Watch
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richardchaos

517 posts in 212 days


11-27-2017 12:04 PM

I used to have a Shopsmith many years ago. For one its was the best lathe I have ever had and I loved the 10 inch sanding disc. It had a 10 inch metal dicd with Velcro on it it was the bomb. PLUS you could adjust the speed as you wished…

I was looking around for some sort of sanding disc set up to do 90 degree sanding on outside curved pieces and you the have to spend $500 on some stand alone set up or $50 on some 5 inch sanding combo that really suxs. all of which ar not variable speed.

Ran across a few of these 10 inch steel sanding disc you use in your table saw. PERFECT bbbuuuuuutttttt no variable speed as we all know and table saw speeds are WWWAAYYYYY TOOO fast for sanding in my opinion.

Then I was thinking… What is I got a variable speed control I could plug my 120 volt 13 amp table saw into? COULD THIS WORK? Would it do any damage to the Table saw motor?

I have heard of VS Controllers for routers… What about a table?

ALSO just a tought… I do have a variable speed grinder with a 5/8 arbor…. HUMMM?

-- “In a time of universal deceit, telling the truth is a revolutionary act.” ― George Orwell


15 replies so far

View Lazyman's profile

Lazyman

1493 posts in 1220 days


#1 posted 11-27-2017 02:40 PM

If I remember correctly induction motors with capacitors probably cannot be speed controlled, at least not with a simple router speed control. It may work if your TS has a universal motor?

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

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MrRon

4487 posts in 3076 days


#2 posted 11-27-2017 09:30 PM

Isn’t that Shopsmith sanding disc 12”? I have one and it is 12”. It is just mounted on a 1/3 HP motor running at 1725 rpm. You can’t vary the speed of an induction motor, but if it is a universal motor, one with replaceable brushes, then yes; you can use a speed control like this one: https://www.harborfreight.com/router-speed-control-43060.html

View TheFridge's profile

TheFridge

8287 posts in 1319 days


#3 posted 11-27-2017 11:42 PM

Won’t work.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View Loren's profile

Loren

9602 posts in 3480 days


#4 posted 11-27-2017 11:52 PM

I have a variable speed router control. I tried
to use it on a 15 amp circular saw and the fuse
in the control blew out.

View sawdustdad's profile

sawdustdad

333 posts in 718 days


#5 posted 11-28-2017 12:00 AM

Having a 12 inch (or 10 inch) disk sander in the shop is useful for all kinds of stuff. Sounds like it’s time to pony up for a real one. Once you have it, you’ll use it all the time. In fact, might as well get the 6 inch belt/12 inch disk combo…

-- Murphy's Carpentry Corollary #3: Half of all boards cut to a specific length will be too short.

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Rick_M

10598 posts in 2213 days


#6 posted 11-28-2017 12:11 AM

Get a lathe, make a 12” disc for it. 2n1.

-- http://thewoodknack.blogspot.com/

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woodbutcherbynight

3634 posts in 2241 days


#7 posted 11-28-2017 04:51 AM

I found a Grizzly 12 inch disc sander for $100. Works great and can be mounted to the bench. You could make one if you like, try this kid out for ideas. LINK

-- Live to tell the stories, they sound better that way.

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Carloz

952 posts in 424 days


#8 posted 11-28-2017 01:26 PM

Routers use universal motor where speed depends on current tension. Induction motor speed does not depend on it so it cannot be regulated the same way. You could find some benchtop table saw on craigslist for $10 or so and use the router speed control on it. And you still could use on it the disc you bought

View Lazyman's profile

Lazyman

1493 posts in 1220 days


#9 posted 11-28-2017 01:35 PM



Get a lathe, make a 12” disc for it. 2n1.

- Rick_M

Or if you are too lazy to make one, just buy one of these and make a platform for it. If you register for email ads, they’ll send you a 15% off your first purchase.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

View Tennessee's profile

Tennessee

2586 posts in 2347 days


#10 posted 11-28-2017 01:42 PM

I’ve had one of these in my shop since 1999, when it was only $99. Little more money now, but one horse of a sander and works very well.
https://www.harborfreight.com/12-inch-direct-drive-bench-top-disc-sander-43468.html

-- Tsunami Guitars and Custom Woodworking, Cleveland, TN

View richardchaos's profile

richardchaos

517 posts in 212 days


#11 posted 11-28-2017 02:42 PM

Man why cant I think of stuff like that

Get a lathe, make a 12” disc for it. 2n1.

- Rick_M

Or if you are too lazy to make one, just buy one of these and make a platform for it. If you register for email ads, they ll send you a 15% off your first purchase.

- Lazyman

-- “In a time of universal deceit, telling the truth is a revolutionary act.” ― George Orwell

View htl's profile

htl

3100 posts in 992 days


#12 posted 11-28-2017 03:03 PM

For me I’d be on the look out for another [older] SS if you have the room, the way a SS can handle the 12” disk and having an extra drill press around is a plus in my book. I have 2 in my little shop,one bolted to the wall as a shorty, but my needs as a model maker are different than most.
Timing is every thing but an old SS can be gotten cheap.

-- There's a hundred ways to do anything, alot depends on the tools at hand.

View MrRon's profile

MrRon

4487 posts in 3076 days


#13 posted 11-28-2017 06:08 PM

I had an original SS I bought for $100. When I switched over to dedicated power tools, I sold the SS, but kept the 12” sanding disc. I mounted it on a 1/3 hp motor in a home made table. The table doesn’t tilt, but I have many other sanding machines that do. I do miss the drill press function of the SS. If I see another SS at a reasonable price, I just may buy it to add to my collection.

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Rick_M

10598 posts in 2213 days


#14 posted 11-28-2017 06:44 PM



Man why cant I think of stuff like that
- richardchaos

The downside is you might enjoy woodturning which is a deep rabbit hole.

-- http://thewoodknack.blogspot.com/

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richardchaos

517 posts in 212 days


#15 posted 11-28-2017 08:11 PM

Well I have an PC variable speed bench grinder I rarely use. I think I am gunna try to make one end a 8 inch disc sander…. Gunna try to make it velcro but we will see. I know al too much about taking off and putting on PSA sand paper! UGH!

-- “In a time of universal deceit, telling the truth is a revolutionary act.” ― George Orwell

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