LumberJocks

Circle cutting jig for TS

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Project by Lou posted 01-25-2017 02:22 PM 563 views 1 time favorited 5 comments Add to Favorites Watch

I needed some circles for a project I was working on. I also had an old cross cut sled laying around after building my new super sled. So, first I dado a 1” wide, 3/8” deep strip down the middle of the sled ( Pic. 2). Next I made a strip of oak to fit the dado, put a 1/4” bolt in it that protruded 1/4”. I also put 1/4” wide hole in for the max length I could(pic 3). After putting a 1/4” hold down through the hole I had a complete adjustable circle cutter(pic 4&5). Max circles I can make is about 13” which is good for me now. I can always make modifications if I need bigger ones.

-- What to make next. Hmmm.





5 comments so far

View Jeremymcon's profile

Jeremymcon

172 posts in 460 days


#1 posted 01-25-2017 03:16 PM

This… Seems like it shouldn’t work. I mean, I can see it working for smaller radius circles, but for larger circles, aren’t you going to have too much of the blade in the wood to make it cut a curve? Unless you are cutting pretty close to the circle with a jigsaw or something, and then just truing it up with the table saw. Then the off cut will be thin and won’t try to bind up. If that makes sense.

But maybe I’m missing something obvious here.

View Lou's profile

Lou

71 posts in 970 days


#2 posted 01-25-2017 04:47 PM

I start by cutting the corners first. I continue cutting corners until it gets king of round. I make many cuts by sliding the sled back and forth. Finally when it gets close, you can just spin the work piece. Don’t know if I explained it well but you can cut a circle up to about 13” with this jig.

-- What to make next. Hmmm.

View Bill_Steele's profile

Bill_Steele

193 posts in 1512 days


#3 posted 01-25-2017 10:00 PM

Nice job on this jig! I’ve seen things like this for the bandsaw, but never the tablesaw.

Thanks for sharing.

View dannmarks's profile

dannmarks

305 posts in 362 days


#4 posted 01-25-2017 11:41 PM

I like it and have been planning making something like this for my Band saw. But yes it works on table saw too.
I have seen it done on videos.

View Jeremymcon's profile

Jeremymcon

172 posts in 460 days


#5 posted 01-26-2017 02:58 PM

Ah. Your method makes sense to me. I was picturing the way these jigs are used on a bandsaw – just take off everything at one shot.

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