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Circular jig for bandsaw

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Project by BOBAH posted 12-08-2019 10:01 AM 594 views 4 times favorited 4 comments Add to Favorites Watch

I have recently upgraded my bandsaw, and the old circular jig I used to have no longer fits. I need to cut several circular pieces for my next project, so I took the time to rebuild it.

It is not very original – I have definitely seen some variation of it online. However, this one is easier to make and use: no need to cut t-slot, or adjust slider.

It is made of two layers of 1/2” plywood. The base is about 24”x24” and has three strips of wood attached, that serve as runner fitting the saw’s 3/4” rack, and as two stoppers that hold jig in place. To obtain snug fit, I have added a screw to the front. The top layer consists of three pieces of plywood – the support strip on the left, parallel to the blade, and two strips on the right, with gap between them, to let slider move freely, perpendicular to the blade. Both strips and slider are cut at +-60 degree, so when I drive thumbscrew on the bottom into threaded insert, it pushes slider up and locks it in place.

For good fit, I cut both slider and plywood without readjusting table saw blade angle, and pushed plywood strips tight to a slider before nailing them down.





4 comments so far

View recycle1943's profile

recycle1943

3596 posts in 2229 days


#1 posted 12-08-2019 03:03 PM

I like that a LOT more than the one I have. Mine work great but is a pia to adjust and just overall not as easy to use as this one.
You know of course that I’ll have one just like it by tomorrow lol

Thanks for sharing

-- Dick, Malvern Ohio - my biggest fear is that when I die, my wife sells my toys for what I told her I paid for them

View H_Stevens's profile

H_Stevens

33 posts in 651 days


#2 posted 12-08-2019 03:18 PM

good job, well thought out.

-- Hamp, St. Simons Island, GA http://hampstevens.com/

View therealSteveN's profile

therealSteveN

4642 posts in 1181 days


#3 posted 12-08-2019 04:28 PM

Best part of a big one like that is seen in that last pic. It hangs out of the way, and on the wall the 99% of the time when you don’t need it. But darned if that 1% of the time it isn’t the best jig you have.

Nice build.

-- Think safe, be safe

View a1Jim's profile

a1Jim

117908 posts in 4184 days


#4 posted 12-08-2019 07:38 PM

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