Author Topic: Chair bevel cut.  (Read 1697 times)

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Offline Lbob131

  • Posts: 424
Chair bevel cut.
« on: February 01, 2017, 02:21 PM »
Any tips  on how to bevel  the corners  accurately   and join the back rail  to the side  arm rests on a   chair    similar to this.....
http://www.rainbowdesign.co.uk/wp-content/uploads/2015/03/Katakana-chair-02-710x710.png

The  chair back  rail  will  have a curve  and be made   from laminates glued up.

I'm thinking  bevel  both   sides   of  the  back piece first as though  it were a straight section.
Then make  the cuts  on the sides.
 Can afford to lose a little  material  on the sides if I get  the cut wrong I'm thinking.

Or  make the bevel  cut  on the sides  first?
Slightly concerned  I'm gonna get this wrong.

Maybe I should  just laminate some mdf  up     for the back   and  make the cuts  on that first?










« Last Edit: February 01, 2017, 02:46 PM by Lbob131 »

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Offline Ocram

  • Posts: 57
Re: Chair bevel cut.
« Reply #1 on: February 26, 2017, 02:42 PM »
Wow this looks good! I like design. Did you use dominos for the joints?

Offline Lbob131

  • Posts: 424
Re: Chair bevel cut.
« Reply #2 on: February 26, 2017, 04:30 PM »
Yes dominoes.


Offline Jesse Cloud

  • Posts: 1691
  • Festooling at the end of a dirt road in New Mexico
Re: Chair bevel cut.
« Reply #3 on: February 26, 2017, 06:03 PM »
Too late, sorry, but here's a tip for finessing the bevel:

Cut the piece a hair long.  Snugly, but not tightly, clamp up with a strip of sandpaper on each side between the bevel and the leg, and a little longer than the crest rail is wide.  Holding the rail with one hand, gently pull the sandpaper out.  Repeat if needed.  I've found this to dial in a very nice fit.

Offline Lbob131

  • Posts: 424
Re: Chair bevel cut.
« Reply #4 on: February 26, 2017, 06:21 PM »
Thanks. Thats a good tip.
The back piece  is slightly narrower  than the sides  so I was able  to creep up on the  cuts to make a  good fit.

Offline duburban

  • Posts: 873
Re: Chair bevel cut.
« Reply #5 on: February 27, 2017, 01:38 AM »
I see Jory Brigham ?
helper: i used a festool "circular saw" to do something simple and it made it really hard

me: exactly, it makes simple cuts complicated and complicated cuts simple

Offline blaszcsj

  • Posts: 260
Re: Chair bevel cut.
« Reply #6 on: February 27, 2017, 12:11 PM »
I see Jory Brigham ?

Going to say the same thing!
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Offline Lbob131

  • Posts: 424
Re: Chair bevel cut.
« Reply #7 on: March 05, 2017, 07:20 AM »
Yes  that's JB's  visionary work.  Suffice to say  I had to do all  the  design  work   on  my  cad  program.   A number of  basic  chair/stool design  concepts  are incorporated   which I had to study and learn  before I started the project.
And not least the Danish weaving.
Its a gift  for a  couple who are getting married   so I made no  profit  from the  one off piece.
And they are delighted..
Had the time   to do this recently after being laid up   with a broken  leg  after a roof fall  and managed the build whilst partially  immobile on one leg  and crutches.
Was a  great inspiration to get me   up and moving.
The  domino 700  makes  the joinery task  very easy  and efficient.
All credit to JB though. Its a wonderful  design   to take from  an image.  So  simple and elegant   and then  tweak  it on cad  and then  paper   and on   to rough sawn lumber   and finally  the  finished piece. And a few joint testing samples also.
I found joining the curved back  to the sides  the most challenging part of the build. The finish is two coats  of morrels  40% sheen  two pack   catalizying lacquer.

« Last Edit: March 05, 2017, 06:58 PM by Lbob131 »