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Router Mortising Jig

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Project by Matt in Franklin posted 04-21-2014 09:43 PM 2946 views 15 times favorited 8 comments Add to Favorites Watch

This is the mortising jig I made for my router. I built it using plans from a Woodsmith magazine on router jigs.

The router sits inside a guide that rides on two 1/4” “runners”.

It works for horizontal pieces as well as vertical (cutting mortises on the end of a board).

The guides are made of hardboard so that I can replace them when they get worn out from banging my router into them over time.

This is a great jig and I look forward to making some loose tenon joinery in the near future.

-- Follow me on instagram and facebook @mwawoodworks , http://instagram.com/mwawoodworks/, https://www.facebook.com/MWAWoodworks





8 comments so far

View BRod's profile

BRod

25 posts in 2227 days


#1 posted 04-22-2014 04:50 AM

I’m bringing over my stretcher and legs to get some loose tenons!!! Seriously….

Thanks for the help tonight, dude!

View Matt in Franklin's profile

Matt in Franklin

282 posts in 517 days


#2 posted 04-22-2014 11:47 AM

No problem, Brad. Glad to help.

And I plan on making a pile of tenons one weekend!

-- Follow me on instagram and facebook @mwawoodworks , http://instagram.com/mwawoodworks/, https://www.facebook.com/MWAWoodworks

View Matt in Franklin's profile

Matt in Franklin

282 posts in 517 days


#3 posted 04-22-2014 06:04 PM

One thing I like about the top is that I can make multiples to fit different routers. This allows for versatility if you own multiple sized or branded plunge routers.

-- Follow me on instagram and facebook @mwawoodworks , http://instagram.com/mwawoodworks/, https://www.facebook.com/MWAWoodworks

View Matt in Franklin's profile

Matt in Franklin

282 posts in 517 days


#4 posted 04-22-2014 06:06 PM

I also want to make a version that I can take “to the wood”, that doesnt rely on the base stand. I have seen several designs for that.

-- Follow me on instagram and facebook @mwawoodworks , http://instagram.com/mwawoodworks/, https://www.facebook.com/MWAWoodworks

View Matt in Franklin's profile

Matt in Franklin

282 posts in 517 days


#5 posted 04-22-2014 07:57 PM

as always, any feedback is welcome!

-- Follow me on instagram and facebook @mwawoodworks , http://instagram.com/mwawoodworks/, https://www.facebook.com/MWAWoodworks

View RadioActiveRich's profile

RadioActiveRich

45 posts in 421 days


#6 posted 04-27-2014 11:26 PM

I want this so bad I can’t stand it. Gonna have to make one I guess. :) Nice job. I really like the looks of this.

View scribble's profile

scribble

75 posts in 1105 days


#7 posted 03-18-2015 09:39 PM

How universal is this jig, can you do long or large mortises?

I don’t see what the point of the oblong-ed hole is for the bit?

-- If you can't read it Scribble wrote it!! “Experience is merely the name men gave to their mistakes.”

View Matt in Franklin's profile

Matt in Franklin

282 posts in 517 days


#8 posted 03-18-2015 09:55 PM

scribble, the jig is universal in that you cut the top “template” to fit your specific router’s base (the front-to-back dimension). If you buy a different router, the only part of the jig you have to remake is the top. Also, you could easily make it more universal by adding a “sliding” front guide rail. that way you could use routers with different sized bases.

My jig can cut up to a half inch diameter mortise. I dont see a need to cut one any bigger than that. But all you have to do is adjust the size of the opening if you want bigger diameter mortises than that. As far as length of the mortise, again, it just depends on how wide you cut that opening and also how wide/narrow you make your positive stops. Again, I never really make mortises bigger than 1” – 1 1/2”. This jig could cut them bigger, but I dont ever have a need to (maybe table legs?)

The hole is oblong in shape to allow you to see the work piece as you cut it (in order to make sure you are in alignment with your marks).

Hope that helps you!

-- Follow me on instagram and facebook @mwawoodworks , http://instagram.com/mwawoodworks/, https://www.facebook.com/MWAWoodworks

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