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Unisaw Torsion Box Fence Table #9: Router Mounted

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Blog entry by Ger21 posted 06-22-2010 02:28 AM 1641 reads 0 times favorited 6 comments Add to Favorites Watch
« Part 8: New Router Fence Part 9 of Unisaw Torsion Box Fence Table series no next part

As usual, all my projects take far longer than they should. But, I finally got my phenolic plates epoxied and CNC routed a couple of them. They’re a full 3/4” thick, and very rigid. I probably didn’t need 10 leveling screws, as the plate doesn’t seem to flex. But this one only has a 690 in it. When I do the 7518, maybe it’ll have a little bit of flex. But, I doubt it.

I’d never seen the Incra leveling system before, but decided to go this route after reading this blog.

http://lumberjocks.com/PurpLev/blog/13430

One of the plates I epoxied was a little bit unflat, so I used that for test cuts. It ended up being a little loose, so I added .002 for the next one, and it fits like a glove. To make sure the holes lined up in the table, I used the plate as a template. The holes for the levelers are routed 3/16” D. I used a 3/16 drill bit, and drilled through the late into the MDF. To tap the holes, I cut the head off a 1/4-20 bolt, chucked it in the lathe, and filed a taper on the end. Using a cordless drill, I quickly taped the 3/16 holes. This gives a very strong thread in the MDF. I actually had to use some wax to get the screws to turn smoothly, as the fit is very tight. The screws are Stainless button head, btw.


Getting precise holes for the router turned out to be a bit difficult. The holes in the plate are 3/16, which leaves zero slop for the 10-24 screws. I measured it as close as possible, but it was a little off. Then, I used a different technique, and came up with a hole circle diameter of 4.642. It’s not perfect, but it’s very close, and works.

Next step is to route a base for the Incra Jig, and put about 5 coats of poly on it and the auxiliary fence. Then, It’s ready for use.


-- Gerry, http://g-forcecnc.com/jointcam.html



6 comments so far

View jack1's profile

jack1

1940 posts in 2724 days


#1 posted 06-22-2010 07:21 AM

That looks good.

-- jack -- ...measure once, curse twice!

View a1Jim's profile

a1Jim

112367 posts in 2274 days


#2 posted 06-22-2010 07:24 AM

Thats a geat set up, good job Gerry

-- http://artisticwoodstudio.com Custom furniture

View SPalm's profile

SPalm

4855 posts in 2578 days


#3 posted 06-22-2010 03:16 PM

Dang Gerry you do nice work. That leveling system does seem extremely simple. I wish they would do that for table saw inserts.

Hope you finish soon,
Steve

-- -- I'm no rocket surgeon

View John's Woodshop's profile

John's Woodshop

347 posts in 2713 days


#4 posted 06-22-2010 03:34 PM

That is really nice work! Very impressive!

John

-- John -- Racine, WI -- Woodworking..."It's not just a Hobby, it's an Adventure"

View stefang's profile

stefang

13335 posts in 2031 days


#5 posted 06-22-2010 05:48 PM

Looks absolutely great.

-- Mike, an American living in Norway.

View bigike's profile

bigike

4032 posts in 1985 days


#6 posted 01-12-2011 10:31 PM

wow that is a very nice set up. I want the same set up but i’m unshure of how i want the fence i have a incra fence system to incorp. on mine.

-- Ike, Big Daddies Woodshop, http://www.icombadaniels@yahoo.com

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