Domino Saw Horses

mummybot

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Dec 2, 2014
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Hi FOG,

This is my first post, I have been reading the forum for a little while now. Wanted to share my project and ask a couple of domino questions. I got a df-500 last weekend, and had a play. I made these little saw horses this weekend out of some cheap hardware store pine, I'm now ready to start a project to sit on them!

My questions were,

On indexing, why does the DF500 have presets at 16 and 20, not 18?  I messed up one joint, reference off the wrong side!

Also on centring, for the mortises in the vertical legs that join the horizontal braces. I stacked some scraps up to get the domino a consistant 24mm up, is there a better way to do this? Seemed to work ok,

On a project like this, should I always use the tightest slot setting ? Seemed to work the best

I used 2 x 6mm Dominos in my 65 x 18mm board, my understanding is that is overkill. In soft pine I should use 5mm? and maybe just one domino per joint?

Anyways thanks for your time.  Domino is super fun, can't wait to start my next project!

cheers

 

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Nice job.  Good question about the lack of 18mm preset.  Never thought about that before.  You could just use the fence and set it for 9mm I suppose.

With the fence, btw, you can get a fairly dramatic offset, at least 20mm comfortably -- though maybe not quite centered on the legs you were using.  The stacking method you used is fine, though.  If you didn't already know, the center of the mortise is a consistent 10mm from the base of the machine when working without the fence.  If you have an MFT or similar clamping surface, you could run a straight edge/piece of wood down the leg (laid flat on the table) and clamp it in place so you didn't have to set up anew on each plunge,  but could simply run down the line making mortises at the pencil marks.

On domino selection, rule of thumb is 1/3 board width, so 6mm is perfect.  And I would stick with two for this application.  Sometimes when you do just one there is still some play/wiggle in the boards.  If you do narrower frames you'll see what I mean.
 
Nice project.  Welcome to the FOG.  Hope we see many more projects on those horses.

 
[welcome] [welcome] to the FOG,  if memory serves me correctly the presets a have the length of the dominos. There are some good videos explaining the various ins and outs of the domino on festool TV on utube. Paul Marcel has some very good ones.
 
mummybot said:
Hi FOG,

This is my first post, I have been reading the forum for a little while now. Wanted to share my project and ask a couple of domino questions. I got a df-500 last weekend, and had a play. I made these little saw horses this weekend out of some cheap hardware store pine, I'm now ready to start a project to sit on them!

My questions were,

On indexing, why does the DF500 have presets at 16 and 20, not 18?  I messed up one joint, reference off the wrong side!

Also on centring, for the mortises in the vertical legs that join the horizontal braces. I stacked some scraps up to get the domino a consistant 24mm up, is there a better way to do this? Seemed to work ok,

On a project like this, should I always use the tightest slot setting ? Seemed to work the best

I used 2 x 6mm Dominos in my 65 x 18mm board, my understanding is that is overkill. In soft pine I should use 5mm? and maybe just one domino per joint?

Anyways thanks for your time.  Domino is super fun, can't wait to start my next project!

cheers

Excellent job for a first project.

I do not know why Festool choose those presents but you can set what you like with the other scale which you set to half the wood thickness if you want to centre things - so 9 mm for the rails and 12 mm for your legs.

As Edward said, 6 mm dominos are perfect and I too would use two per joint as this is a rugged application.

The perfect accessory for either Domino (DF500 or DF700) is the Trim Stop which is brilliant if you are putting just one domino in a rail end or for putting centred domino slots in a rail or style.

Peter
 
[member=42671]mummybot[/member]

OK .. "mummybot" is going to require an explanation [huh] [smile]
 
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