These jigs are the bees knees - Page 19 - Router Forums
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post #181 of 221 (permalink) Old 09-11-2017, 08:20 PM
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Originally Posted by TwoSkies57 View Post
Any miter is capable of being set to the correct angles...its just a matter of setting it to the correct angles. How its set or how you set it varies on what you have or have available to you. The premium high end miter's can get you pretty damn close to most angles you may want BUT...sometimes close ain't close enough and a secondary (ie Mieter set) is required to achieve the precision required.
The thing you got to remember is that the "wider" the pieces of the frame are, the more pronounced any error in setup becomes. The greater the error is setup, the louder the "AHHHHHHHHHHHHh CRAP"! The wider the segements the louder the "Ahhhhhhhhhhh $*&#&$^#*" In other words, on an 8 sided frame, 1" wide, an error in setup of less than 1/10 of a degree will hardly be noticeable. however, on the same frame with 2" wide sides, the error is 2 fold if I recall the math correctly. At that point, very noticeable but that all depends on how picky your going to be. Keep in mind that any error in angle is multiplied by the number of angles. A 1/10 of a degree error in set up on an octagon equals out to a 1 and 6/10 degree error in total (16 sides x 1/10*). Now add onto that widening the frame segments widths. The error in angle may remain the same, but the gap between two mitered edges increases.....

Back in 2011 I sat down and did the math for this...its a bit complex, but it does reveal just how far off being a little off can be:

Router Forums - View Single Post - Picture Frame Miter Jig

I got 3 octagon frame in my living room I made for pictures of each of the grand kids. Each with a profiled face. Each is dead nuts spot on! That didn't happen by accident nor did it happen on the first try..or the second for that matter *L*

When you end up with a perfect mitered joint, you either got damn lucky, or you had a damn good setup!
Except when you're using Miterset Segment... then it's One Time and that's it...

Do you still have to be lucky?
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Joe

Alta Loma, CA

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post #182 of 221 (permalink) Old 09-11-2017, 10:04 PM
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[quote=Herb Stoops;1663121]
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Just thought I would try my Incra sled to see how accurate it was. I don't think it looks to bad.

What do you guys say? Be honest.

/QUOTE]

That looks good to me, now try this:
Make a seven sided one or a nine sided one, for a test. See how long it takes to set up,and include the time finding the correct angles and the lengths of the sides.
Herb
Herb I do realize it is fast to set up and from the pictures I have seen it reeks of quality. I looked up on the net today to see what degree a 7 segment would be. Would you believe 51.43* WOW!!!
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Measure once cut twice and it's still to short.
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post #183 of 221 (permalink) Old 09-11-2017, 10:45 PM
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[quote=hawkeye10;1663514]
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Herb I do realize it is fast to set up and from the pictures I have seen it reeks of quality. I looked up on the net today to see what degree a 7 segment would be. Would you believe 51.43* WOW!!!
I think the Demo tells you the angle... It's really an ODD one... the MiterSet takes it to 4 dec. points.
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post #184 of 221 (permalink) Old 09-13-2017, 09:56 PM Thread Starter
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My mitre gauges just arrived and it's obvious why they cost so much, they are works of art. It will be a while before I get to use them but in the meantime I can sit and admire them!

Harry



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post #185 of 221 (permalink) Old 09-13-2017, 10:56 PM
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My mitre gauges just arrived and it's obvious why they cost so much, they are works of art. It will be a while before I get to use them but in the meantime I can sit and admire them!
Very GOOD, Harry...

I know the feeling!

I'm still trying to get the Shop cleaned up so I can TRY THEM!
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post #186 of 221 (permalink) Old 09-14-2017, 01:25 PM
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Except when you're using Miterset Segment... then it's One Time and that's it...

Do you still have to be lucky?
@Joe Lyddon

As long as everything upstream of the Mieterset is golden, luck won't have nothing to do with it
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post #187 of 221 (permalink) Old 09-16-2017, 10:28 PM
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I finally used my segment jig. It worked great made all my solid octagon wheels for my 2 tractor set miter gauge to 45 degrees 4 segments 4 cuts. Followed the line perfectly. Also grabbed 8 scrape pieces close to the size needed came out just as close as what the pieces cut with sliding miter saw cut carefully. I do have a question for some that bought both why? The segment jig does all angles without having to fool with cloogy bar.
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post #188 of 221 (permalink) Old 09-16-2017, 11:01 PM
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I finally used my segment jig. It worked great made all my solid octagon wheels for my 2 tractor set miter gauge to 45 degrees 4 segments 4 cuts. Followed the line perfectly. Also grabbed 8 scrape pieces close to the size needed came out just as close as what the pieces cut with sliding miter saw cut carefully. I do have a question for some that bought both why? The segment jig does all angles without having to fool with cloogy bar.
I didn't KNOW that!

I did not know how to calculate the Segment angles & how to compare to the MiterSet Standard jig...

I'm happy that I got both... I'll skip the Math part!

Glad it worked good for you!

I almost got to cleaning the shop... other things took priority...

Hope to get to it REAL SOON!

I have two wheels to be made too... I was thinking about maybe 10 segments...
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post #189 of 221 (permalink) Old 09-17-2017, 02:37 AM
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this thing looks awesome.

Create things
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post #190 of 221 (permalink) Old 09-17-2017, 08:09 AM
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With the standard MiterSet gauge, you can set any angle in 1/2 degree increments. The MiterSet segments lets you set the angles needed to cut segmented circles very accurately, and some of these settings are odd angles that need to be accurate out to 3 decimal places. With the Segments gauge, you set it by the number of segments that you want in the circle, and the gauge does the rest. The only math needed is to figure out how long or short each segment needs to be to get the desired size of segmented circle.

For good results with either of these gauges, it's important to use a miter fence with a 3/4 x 3/8 bar that also fits the miter slot of your table saw very accurately, as any side play in this fit will create errors. The MiterSet gauges have a slot in the center for the bar of the miter fence to fit into, and the bar of the miter fence must also fit in this slot with no side play. The MiterSet Gauge Manufacturer offers a different version of these gauges for ShopSmith owners, as well as Metric based miter fences and table saws.

Charley

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