planing jig for router

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Project by tchaser posted 12-27-2011 03:16 AM 7787 views 23 times favorited 12 comments Add to Favorites Watch

This is the planing jig that was in FWW last month and it was just what I was looking for.
I do some large pieces and this is very simple but works fine. It is simply a box with a slot cut for the router bit and you slide the router back and forth and it levels out the top The router is mounted to a base plate for your router table and make the box to fit with about a 1/4 in of play and open ends for saw dust to fall out the pics show what is accomplished in pass no. 1 and 2 the whole jig take about 1 sheet of plywood and the boxes on the end are slotted for adjustment that I marked in 1/2 in intervals for reference. I might make a note that it takes about 20 min set up, and this is about 1 hr each side. I have found the best results are to flip between passes for best leveling results. It takes about 600-700 passes to do both sides with a 1” bit. I will probably line the box with plastic to help make the router slide a little easier. Now where is that icy hot my arms are a little sore.

-- bad projects make good firewood

12 comments so far

View a1Jim's profile


117063 posts in 3546 days

#1 posted 12-27-2011 04:45 AM

Looks like that jig gets the job done.

-- wood crafting & woodworking classes

View Jim Jakosh's profile

Jim Jakosh

20317 posts in 3075 days

#2 posted 12-27-2011 04:54 AM

That is one cool way to get a board flat!

Thanks for sharing…...........Jim

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

View WoodLe's profile


155 posts in 2766 days

#3 posted 12-27-2011 05:11 AM

I saw that article too and plan to build one. It looks like it should work very nicely.

-- Wooster, Ohio

View exelectrician's profile


2327 posts in 2396 days

#4 posted 12-27-2011 05:12 AM

Thank you for posting this. I am very impressed with your setup and also your beautiful shop with all that natural light. You are very fortunate to have that shop.

-- Love thy neighbour as thyself

View dubsaloon's profile


621 posts in 2763 days

#5 posted 12-27-2011 05:48 AM

Way nice I saw a setup kinda like this but they used a half circle t flatten the hunks of lumber. Must make bunches of sawdust. Thanks for sharing.

-- The works of evil people are not the problem. It is the "Good" people standing by and watching not speaking up. Dubsaloon

View dpow's profile


503 posts in 2813 days

#6 posted 12-27-2011 06:16 AM

Your Router-Planer looks good. A couple of years back, I made something like this on a smaller scale for getting end grain cutting boards flat. I used self stick nylon tape to help make the router slide easier. I believe you can buy it from Rockler in 3/4” to 3” wide x 10’ rolls. Thanks for sharing.

-- Doug

View Ken90712's profile


17553 posts in 3158 days

#7 posted 12-27-2011 10:50 AM

Great jig! Nice looking shop to boot!

-- Ken, "Everyday above ground is a good day!"

View sras's profile


4791 posts in 3098 days

#8 posted 12-27-2011 06:23 PM

Another feature to put on the list for my (distant) future router table! Thanks for sharing.

-- Steve - Impatience is Expensive

View SteveMI's profile


1092 posts in 3263 days

#9 posted 12-28-2011 01:43 AM

Good to see a real world use besides the magazine version. How “flat” does it come out?
I’ve always felt bad about having to cut a board to fit the jointer width and then do a glue up.


View Dusty56's profile


11819 posts in 3657 days

#10 posted 12-28-2011 03:07 AM

Great looking jig and the shop space is awesome as well : )

-- I'm absolutely positive that I couldn't be more uncertain!

View indianawoodbutcher's profile


34 posts in 2659 days

#11 posted 12-28-2011 03:52 AM

Super idea for working with large pieces. I have just started getting into working with larger pieces and find myself stopped by the width of my small planar. This gives some of my ideas some new life. Looks like a monster of a set-up. Might be hard to find a good place to store such a large piece.

View tchaser's profile


37 posts in 2660 days

#12 posted 12-28-2011 04:59 AM

To answer some questions I am using a Grizzley 1 1/2” flat bottom bit, and it comes out with out a lot of effort within a 1/16 ” from side to side on a 20” wide board I could probably get it closer if I took a little more time on set up. I have about an hr of sanding to get all the lines out on both sides and that will get me down to 100 grit.

4 passes on each side took off 1 inch in total thickness. it is hard on the router so get a big one. Yes it makes sawdust like no end in sight. A dust mask is needed because of the amount of dust my air scrubber clogged by the end of the session. It actually breaks down into a fairly small space since it really is essentially 4 4×6x8 and an 8×8 box 6’ long. This could easily be made smaller. Thanks for the feed back and compliments!

-- bad projects make good firewood

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