Round over small circles

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Forum topic by rrdesigns posted 06-19-2015 08:42 AM 1032 views 0 times favorited 6 replies Add to Favorites Watch
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531 posts in 3212 days

06-19-2015 08:42 AM

Can small circles ranging in diameter from 2 inches to 8 inches be rounded over at the lathe? Or would a jig and a router be more appropriate?

-- Beth, Oklahoma, Rambling Road Designs

6 replies so far

View Wildwood's profile


2322 posts in 2161 days

#1 posted 06-19-2015 09:52 AM

Beth simple answer is yes, but not easy without lot of practice with normal turning tools. Learned to turn rings by accident and have not made any in years. Of course can buy a captive ring tool and make life easier. If more comfortable with router go with it.

-- Bill

View shipwright's profile


7992 posts in 2824 days

#2 posted 06-19-2015 04:01 PM

I’m not sure if you mean solid circles or rings Beth, but if you have delicate parts to deal with you might be able to do something like I did on the apron mouldings on my “music” table. It is detailed here.

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees.

View gfadvm's profile


14940 posts in 2716 days

#3 posted 06-20-2015 12:49 AM

I do those on the router table (careful not to route your fingers). Most of mine have a hole in the center (wheels for toys) which makes them easier to hold with a longer board with a dowel peg at 90 degrees to the board.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View ForestGrl's profile


450 posts in 1112 days

#4 posted 06-20-2015 02:37 AM

An 8” circle down to about 4” wouldn’t bother me on a router table. Smaller than that, I might want to have a piece of sandpaper stuck to the top of the circle (for traction) and a finger guard on the fence. For those really small ones, wonder if a laminate trimmer in a little dedicated “table” would work?

-- My mother said that anyone learning to cook needed a large dog to eat the mistakes. As a sculptor of wood I have always tried to keep a fireplace. (Norman Ridenour)

View rrdesigns's profile


531 posts in 3212 days

#5 posted 06-20-2015 01:35 PM

Thanks for the replies. These are all helpful tips. The circles that I referred to are discs for a windchime.

-- Beth, Oklahoma, Rambling Road Designs

View Dan Krager's profile (online now)

Dan Krager

4037 posts in 2260 days

#6 posted 06-20-2015 01:59 PM

Beth, I would consider a rosette cutter for anything up to about 4” diameter. I’m also assuming you might want this rounding on both sides of the disc? With a rosette cutter, you would simply flip the piece and cut the other side.

Sounds easy doesn’t it? There are some logistics depending upon one or two sided. One sided, I’d just feed a board under the drill press cutting rosettes in a row and cut them out with a pilotless hole saw or scroll saw, even band saw. Done. Two sided, I’d do the same but for the second side I’d prepare two boards, one with a V notch in it so the notch holds the circular blank nicely centered under the cutter. To keep the blank from spinning you could have two or more pins in the second board under the V notch board all secured together and held in place under the cutter. This process leaves you a circular piece without a hole, just the little pin holes on one side which will swell shut. Coarse sand paper in the V notch might do the trick too.

-- Dan Krager, Olney IL One should always prefer the probable impossible to the improbable possible.

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