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Slab Flattening Fixtures

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Project by Jim Jakosh posted 07-27-2018 01:10 AM 1311 views 15 times favorited 28 comments Add to Favorites Watch

Thanks to the same jig project by MJR, it got me to make these which I have had on my list for a few years now. This video from Stone Coat Countertops explains the assembly of this jig very well: https://www.youtube.com/watch?v=gBjpRkRUFEY&feature=youtu.be.

I used the router to gage the set up boards just like the video and made aluminum stops at both ends that also fasten with carriage bolts.

I made them out of material I had laying around in the barn and had to buy the aluminum angle, the wheels and fasteners.

The rails are made from 1” Baltic birch and 5/8 maple plywood. I used a T slot bit to make the slots for the carriage bolts. The slots don’t go the full length – I cut them from both sides. I made a short one for the front angle and then cut them in from the back to give the jig a range of 20”-36” wide slabs. The bit I have is a 2” dado cleaning bit from MLCS…# 7943 for $18.95.

Two of these are kits for two of my local buddies ( spllinterbubba and kposty)who do stuff for me all the time. Payback time.
The rails are finished with shellac and coated with bowling alley wax .

Cheers, Jim

Here are some other shots I took during the process:


-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!





28 comments so far

View woodbutcherbynight's profile

woodbutcherbynight

5488 posts in 2493 days


#1 posted 07-27-2018 01:33 AM

Garage Engineering at it’s finest!!

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

View icemanhank's profile

icemanhank

410 posts in 2240 days


#2 posted 07-27-2018 01:58 AM

I am just in the process of making one of these myself. It’s pretty similar to yours mate but I think I might pinch a couple of ideas re the wheels for the sled :-)

-- "These are my principles. And if you don't like them, I have others." ... Cheers, David from Sydney Australia

View swirt's profile

swirt

2883 posts in 3056 days


#3 posted 07-27-2018 02:09 AM

Looks like a good set-up Jim.

-- Galootish log blog, http://www.timberframe-tools.com

View recycle1943's profile

recycle1943

2029 posts in 1706 days


#4 posted 07-27-2018 02:12 AM

Nice engineering & a must have for slab woods that go awry

-- 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 ZAGREB's profile

ZAGREB

927 posts in 1734 days


#5 posted 07-27-2018 02:22 AM

looks like very useful jig
I like shopmade engineering
cheers,Bambi

-- bambi

View  woodshaver Tony C   's profile

woodshaver Tony C

6100 posts in 3437 days


#6 posted 07-27-2018 02:38 AM

Looks good Jim. Knowing you this will to the trick!

-- St Augustine FL, Experience is the sum of our mistakes!

View majuvla's profile

majuvla

12678 posts in 2951 days


#7 posted 07-27-2018 06:20 AM

I’m always fan of interesting jigs- good work!

-- Ivan, Croatia, Wooddicted

View Mark Wilson's profile

Mark Wilson

2195 posts in 1147 days


#8 posted 07-27-2018 08:02 AM

So, judging by the last photo but one, your router was a little too wide and you shaved off a little at the table saw?

-- Mark

View Jim Jakosh's profile

Jim Jakosh

20920 posts in 3189 days


#9 posted 07-27-2018 11:15 AM

thank you all for the nice comments!!

I think I’ll be needing to make some clamps to hold a smaller slabs in place when leveling.

Hi Mark, the router is on the table saw as a gage to set the fence for those two boards in the last photo. They are about 1/64 wider than the router and set the width of the slab fixture when assembling it so the router has clearance all they way down the track. It is all explained in the video done by Stone Coat Countertops…..I followed their lead which is a real good idea.

cheers, Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View BobWemm's profile

BobWemm

2500 posts in 2010 days


#10 posted 07-27-2018 11:34 AM

That is great Jim,
I have been wondering how I can flatten a few slabs that I have.
I think I’ve seen something similar to this here before but from memory it looked a lot more complicated.
Thanks for sharing.

Bob.

-- Bob, Western Australia, The Sun came up this morning, what a great start to the day. Now it's up to me to make it even better. I've cut this piece of wood 4 times and it's still too damn short.

View Woodmaster1's profile

Woodmaster1

1024 posts in 2671 days


#11 posted 07-27-2018 12:29 PM

Great looking jig. I love the caster addition.

View lew's profile

lew

12209 posts in 3839 days


#12 posted 07-27-2018 01:33 PM

You really outdid yourself with this one, Jim!

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View doubleDD's profile

doubleDD

7556 posts in 2127 days


#13 posted 07-27-2018 01:47 PM

Nice set up Jim. Something I always say I’m going to do. I’ll have to make this a winter project.

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View helluvawreck's profile

helluvawreck

31994 posts in 2951 days


#14 posted 07-27-2018 02:00 PM

This is a very nice fixture and will be a great addition to your shop.

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

View Jim Jakosh's profile

Jim Jakosh

20920 posts in 3189 days


#15 posted 07-27-2018 04:24 PM

Thanks Bob, George, Lew, Dave and Charles.

Hi Bob. It is pretty easy when you look real good at it. Took me 3 days. It can be made without the aluminum angle and without being adjustable , too. That way you could fix the location of the wheel mount and make your rails it rides on to fit the fixture.

Cheers, Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

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