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Circle Jig help

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Forum topic by Karda posted 09-29-2017 06:28 AM 433 views 0 times favorited 10 replies Add to Favorites Watch
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Karda

715 posts in 335 days


09-29-2017 06:28 AM

Hi. I made a circle jig the same way I have made them in the past but for some reason the saw blade binds in the kerf and will not cut. I will stop the saw. What am I doing wrong. here are a couple pics thanks mike


10 replies so far

View AlaskaGuy's profile

AlaskaGuy

3408 posts in 2090 days


#1 posted 09-29-2017 07:28 AM

In your picture it looks like the center of you pin/dowel is in line with the center of the blade. If I remember correctly the center of the pin is supposed to be in line with the front of the blade.

What size blade are you using and what size circle is that?

-- Alaskan's for Global warming!

View HokieKen's profile

HokieKen

4303 posts in 919 days


#2 posted 09-29-2017 11:33 AM

AlaskaGuy has a good point about the pin being inline with the cutting edge, not the blade center.

My first thought though is that the blade is too wide for the diameter you’re cutting.

-- Kenny, SW VA, Go Hokies!!!

View Davevand's profile

Davevand

46 posts in 617 days


#3 posted 09-29-2017 12:45 PM

View GR8HUNTER's profile

GR8HUNTER

2748 posts in 493 days


#4 posted 09-29-2017 01:33 PM

just pull your sled back 1/4 ” should work perfect :<))

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

View Rick  Dennington's profile

Rick Dennington

5528 posts in 2975 days


#5 posted 09-29-2017 02:49 PM

Here’s one I made a couple of years ago…...It cuts perfect circles every time…. I use a 3/16”-1/4” blade….

-- My grandpa used to say: "Y'all come back when you can....come after dinner, and leave before supper.."

View DrDirt's profile

DrDirt

4389 posts in 3523 days


#6 posted 09-29-2017 03:54 PM

Yep – Alaskaguy, and the pic from Rick is the answer.

You need the axis to be where teh cutting is happening, rather than the blade center… then the kerf will be open enough to let your piece spin.

Rick – - Looks like we have the same saw, but you added some extra dust collection. (Delta 28-475X)?

-- 'Political correctness is fascism pretending to be manners' ~George Carlin

View Karda's profile

Karda

715 posts in 335 days


#7 posted 09-29-2017 04:03 PM

the oin is at 1’5 inches for a 3 ’ circle, I have had the same thing happen with much larger. I’ll realign and see what happens thanks Mike

View AlaskaGuy's profile

AlaskaGuy

3408 posts in 2090 days


#8 posted 09-30-2017 12:21 AM

Bump I hope to here what happened.

-- Alaskan's for Global warming!

View woodbutcherbynight's profile

woodbutcherbynight

3458 posts in 2190 days


#9 posted 09-30-2017 02:18 AM

I had the above mentioned issue with where to put the pin. Through experimentation with a temp piece I found the sweet spot then made my adjustable slide with the correct position for the pin. Here are more pictures. LINK

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

View Karda's profile

Karda

715 posts in 335 days


#10 posted 09-30-2017 03:05 AM

Hi, I fiddled with the pin- blade orientation that was the problem. once I find the best spot i am going to make a better jig thanks for all your help Mike

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