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Bandsaw Circle Cutting Jig

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Project by Rayne posted 01-04-2017 05:10 AM 1692 views 6 times favorited 8 comments Add to Favorites Watch

It’s been a while since I posted any projects, but the garage is finally cool enough to get some things done. This was one of them. I actually needed this jig to complete my dust collector mod part deux. I’ll post that later once I get all the duct connected to the collector properly. Anyways, this jig is from Darbin Orvar’s design with a few tweaks. I changed the way the arm extends out by using a dovetail design rather than Darbin’s track method. I haven’t added the tape measure, but that just came in today so I’ll get that installed later. The lock knob was installed correctly as Darbin points out. The miter track is also just a plain track rather than Darbin’s form-fitting track. I see now that I probably should have done it her way, but I think I have an idea to fix that. I’m going to recess some magnets towards the left edge of the board so to help keep it stable on the table. It does tip over without any help, so the magnets should help alleviate that. Anyways, this is an amazing jig and am glad I finally made it. You’ll see this extensively used in my next project. I put 2 coats of Ultimate Polyurethane as that’s what I had on hand and it looks great. Let me know what you think

Darbin Orvar’s Jig
https://youtu.be/OIG-CcPL-Z0

Testing the fit of the cuts and dovetail

Both sides screwed in and made sure the arm moves freely.

Added the stop using pocket screws. It works.

Closeup of the dovetail

Lock knob

Few coats of the poly.

Beautiful circle. Crappy ply, but where it went, it wouldn’t matter.





8 comments so far

View splintergroup's profile

splintergroup

1056 posts in 796 days


#1 posted 01-04-2017 03:01 PM

The sliding dovetail is a nice feature. Excellent and useful fixture for your saw, built like a tank as well 8^)

View woodbutcherbynight's profile

woodbutcherbynight

2830 posts in 1982 days


#2 posted 01-04-2017 03:43 PM

Nice work. I am following her design as well. Did not use a dowel as many have shown. Cut a old 1/4 drill bit end off and used that instead.

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

View helluvawreck's profile

helluvawreck

24806 posts in 2440 days


#3 posted 01-04-2017 04:29 PM

This is a nice and well thought out circle cutting jig. It will be a great addition to your shop.

helluvawreck aka Charles
http://woodworkingexpo.wordpress.com

-- If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away. Henry David Thoreau

View Blake Haskins 's profile

Blake Haskins

181 posts in 811 days


#4 posted 01-04-2017 10:17 PM

cool i always have to slide mine back and forth

-- https://www.youtube.com/channel/UCRuWi7P7eIcNOckoxBI-ZRA

View GR8HUNTER's profile

GR8HUNTER

1590 posts in 286 days


#5 posted 01-04-2017 10:34 PM

is a very nice jig allowing for micro adjustments ….which is a good thing ….. I want to see your dust set up when your done please …... GREAT JOB :<)

-- Tony Reinholds,Pa. REMEMBER TO ALWAYS HAVE FUN

View Roger's profile

Roger

20399 posts in 2377 days


#6 posted 01-07-2017 02:07 PM

Nicely done. This is a very useful jig

-- Roger from KY. Work/Play/Travel Safe. Keep your dust collector fed. Kentuk55@yahoo.com

View Mork's profile

Mork

280 posts in 2348 days


#7 posted 01-08-2017 04:52 AM

I like the locking mechanism. I think it’s better than the method I used. Here;s a suggestion, make it slide in the miter slot and make a stop that limits the travel. That way you can start out with an over sized board and slide the whole thing into the blade.

View Rayne's profile

Rayne

530 posts in 1113 days


#8 posted 01-08-2017 05:46 AM



I like the locking mechanism. I think it s better than the method I used. Here;s a suggestion, make it slide in the miter slot and make a stop that limits the travel. That way you can start out with an over sized board and slide the whole thing into the blade.

- Mork

I do have a hardwood miter bar underneath so it does slide in the slot nicely. I didn’t take a photo of it, but I did mention it in my description that I altered it from how Lynn created hers. That lip on the front of the jig is actually the stop so I do slide everything in and cut the circle.

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