Router Planing Jig

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Project by cpd011 posted 04-24-2013 03:15 AM 9540 views 31 times favorited 3 comments Add to Favorites Watch

This is a simple router planning jig I built today. I have a stack of oak and poplar 4×4’s that a friend of mine and I will be turning into a workbench top for him. Though I have a 6 inch jointer, most of the 4×4’s have a bit of twist and cupping to them. I tried truing one up on the jointer and it was taking forever.

Now that I have a proper workbench I thought it would be much easier to take the twists out of these boards my keeping them stationary in reference to a flat surface. The router is stationary in the jig though I have it drilled for the router to be in 2 separate positions. Most jigs the router slides back and forth inside the jig. I just slide the entire assembly around. It has oak runners on the bottom that are chamfered so they slide nicely. The sides slide up and down on hardboard guides and are tightened to the main assembly with t-slot bolts. The knobs are inside the jig.

The last picture shows my benchdogs from hell. I made them specifically for this project they are roughly 3” square by 2-1/2” high with 3/4 oak dowel epoxied into the body. Used in conjunction with the wagon vise on my bench they do a great job of holding the 4×4’s.

Using a 1” dia straight bit I true one edge then I rotate the board 90 degrees and make sure that the newly flattened edge is perpendicular to the benchtop. Then when I true the next edge I have 2 square sides. The planer does the rest.

3 comments so far

View nickzagoreos's profile


17 posts in 2906 days

#1 posted 04-24-2013 09:27 AM

Cool !!!!! I’ll try it!!!
Keep up the good work!

-- Nick Zagoreos

View crashn's profile


528 posts in 3353 days

#2 posted 04-24-2013 10:08 AM

Cool jig. I just made one that the router slides back and forth, but I like your idea better. My jig is limited in the size of the board you can put in the jig, yours allows a much larger workpiece and of varying shapes. Well done.

-- Crashn - the only thing I make more of than sawdust is mistakes

View Wolffarmer's profile


407 posts in 4126 days

#3 posted 04-24-2013 12:53 PM

Shows there is more than one way to skin a cat.


-- That was not wormy wood when I started working on it.

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