Mortise in Slab and Legs - Best Way? - Router Forums
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post #1 of 3 (permalink) Old 02-01-2016, 03:05 PM Thread Starter
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Default Mortise in Slab and Legs - Best Way?

Total newb in the mortise and tenon woodworking.

I'm in the process of mortising into a 2" slab of walnut for legs. One side will be a 3x12 piece of oak as a leg and other will be 1.5x3" oak legs. I don't know the process and figured to make the tenons first in the legs, trace them on the underside of the table, then use a flunge router. Well thats easier said than done. I'm about 1/16 away in the width and length for the big oak leg to fit. Of course I could use my router table and shave off a little from the tenon.

As for the pair of 1.5"x3" legs, what's the best way to mortise that slot into the slab? Tenon side is probably 1 1/4x 2 3/4". Trace and route method? I tried to make a jig and use a guide bushing, worked somewhat. Had to chisel the corners of course.

I then thought, If I plunge down about 1/8", get the sides where I want all the way around, is that enough to use a top bearing bit to reference and cut out the rest?
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post #2 of 3 (permalink) Old 02-01-2016, 04:07 PM
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Do some studies/homework on scrap.
You can't predict (with precision) where a cutter may stop or stop.
But you can extrapolate from scrap very accurately.
Indeed I'd use a collar if I had no better setup.
But I do.
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post #3 of 3 (permalink) Old 02-02-2016, 09:18 AM
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I am doing something similar myself at the moment as I committed myself to making an oak dining table for my daughter. After a lot of research I decided to go the route of loose or floating tenons and I have to say that this has been so much easier and the result are much better than chiselling out the waste with all the risks of making mistakes.

I made the jig recommended here - you do not need plans it is easy to work out and once you have set up one joint you need no further marking up. It has tamed the plunge router for me and made me much more confident to use in this mode something which for years I have been concerned about.

Woodworking videos, woodworking podcast, Garage Woodworks

Good luck

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