Chair Joinery

[clark_fork]

I am trying to select the best way to duplicate the rounded profile and joinery for this chair. I would also like to know if anyone has used a steam box to bend plywood as in the seat of this chair.

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The Chair

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Joint Detail

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Joint Detail

 

[Kev]

I've got nothing .. but I do like that chair. Beauty in simplicity.

 

[flair woodworks]

For the notches, you could use a large diameter roundnose or ballnose router bit and profile the crossing piece with a bullnose bit.  I'd reinforce the joint with a Domino, or a screw.

For the leg to frame joints, I'd use mortise and tenon joints.

To create the contoured seat, I'd laminate two or more sheets of plywood in a curved form - which could be as simple as clamping them over a 3/4" stick positioned right down the middle.

 

[Holmz]

...
To create the contoured seat, I'd laminate two or more sheets of plywood in a curved form - which could be as simple as clamping them over a 3/4" stick positioned right down the middle.

A vacuum bag may be worthwhile. Especially if one could pull a mould off of the existing seat.

It would probably be more along the lines of making the plywood out of thin sheets, than trying to bend a actual piece of plywood.

 

[bkharman]

I like that chair a lot. I have been looking for a new project and  this may be it!  I am thinking that I wouldn't use ply for the seat...  I would use some solid wood shaped for the curve. I would also do something extreme like have maple for the body and bubinga or espresso stained hickory for the seat.

Thanks for sharing!  I will let you know if I get on with this!

Cheers. Bryan.

 

[clark_fork]

I like that chair a lot. I have been looking for a new project and  this may be it!  I am thinking that I wouldn't use ply for the seat...  I would use some solid wood shaped for the curve. I would also do something extreme like have maple for the body and bubinga or espresso stained hickory for the seat.

Thanks for sharing!  I will let you know if I get on with this!

Cheers. Bryan.

Here is the full link:
http://www.thefutureperfect.com/seating/763-shaker-dining-chairhttp-www-thefutureperfect-com-index-php-thefutur-admin-catalog-product-new-set-4-type-simple-key-8be84e9bef0de81d4578b7d4bb5b6fa4.html

The dimensions are 16 1/2" wide

20" deep

40 1/2" High

Good luck.

 

[jmbfestool]

Bending the plywood with steam..... I don't think I would go down that route. 

It's a very small curve almost to a point where you would achieve the curve by just leaving a sheet lent up against a wall  lol

I personally would laminate to create the curve.  You would have to make it with more of a
Curve to allow for bounce back. Depending on how many layers you are going to use to build up the thickness. The more the better and the less bounce back.

i would use a router for the joints, dominos or traditional tenon. You can use router for both the tenon and shoulders like what Chris Wong suggested.

 

[Jesse Cloud]

Plywood doesn't bend well with steam.  Chris and JMB are right on about laminating on a form.  Or get some veneer and make your own bended plywood.