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View Medici's profile

How to attach/tenon this kind of joinery?

by Medici
posted 01-02-2017 02:22 PM


5 replies so far

View dhazelton's profile

dhazelton

2786 posts in 2378 days


#1 posted 01-02-2017 02:34 PM

I would use dowel pins as well and let them be a visible design element, and perhaps a drilled and countersunk screw from the top or bottom

View rwe2156's profile

rwe2156

3034 posts in 1562 days


#2 posted 01-02-2017 02:49 PM

This is not the proper way to attach an apron.

The problems with this joint:

1. There are no shoulders on the tenon. This weakens the top of the table leg due to mortises too wide.
2. The tenon is not deep enough. The mortises should meet and the tenons cut at a 45.

The haunch at the bottom is fine.

Usually glue is enough to hold the joint together. The shoulders and cheeks of the tenon prevent racking.

Draw boring or pining increases the strength tremendously.

Many old pieces of furniture M/T joints have no glue at all – just draw bored.

I suggest you look for some other sources on the technique.

-- Everything is a prototype thats why its one of a kind!!

View Medici's profile

Medici

50 posts in 663 days


#3 posted 01-02-2017 03:32 PM



This is not the proper way to attach an apron.

The problems with this joint:

1. There are no shoulders on the tenon. This weakens the top of the table leg due to mortises too wide.
2. The tenon is not deep enough. The mortises should meet and the tenons cut at a 45.

The haunch at the bottom is fine.

Usually glue is enough to hold the joint together. The shoulders and cheeks of the tenon prevent racking.

Draw boring or pining increases the strength tremendously.

Many old pieces of furniture M/T joints have no glue at all – just draw bored.

I suggest you look for some other sources on the technique.

- rwe2156

Good explanation. So if the two aprons meet at a 45, and are glued, meanwhile adding some tenon pins on the side, you think it’d work out fine?

View splintergroup's profile

splintergroup

2203 posts in 1304 days


#4 posted 01-02-2017 03:52 PM

To add: if you don’t want any pins/dowels to show, you can install them from the rear and only partially drill into the leg so they don’t go all the way through.

Not really “fine woodworking”, but you can also purchase metal brackets used on commercial tables that secure the corners and are hidden.

View Medici's profile

Medici

50 posts in 663 days


#5 posted 01-02-2017 04:46 PM



To add: if you don t want any pins/dowels to show, you can install them from the rear and only partially drill into the leg so they don t go all the way through.

Not really “fine woodworking”, but you can also purchase metal brackets used on commercial tables that secure the corners and are hidden.

- splintergroup

The table I’m doing this on would have the aprons/legs painted white anyways, so I’m not too worried.

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