Bigger mortises on Domino?

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Forum topic by ondablade posted 12-12-2009 03:54 AM 1089 views 0 times favorited 5 replies Add to Favorites Watch
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105 posts in 3374 days

12-12-2009 03:54 AM

Just thinking about the limits of the Domino since i’ve bought one, but won’t be able to try it until my shop is re-laid out sometime in the new year.

In theory it’s limited to a max 10mm thick floating tenon.

Is there any reason not to (a) move it sideways like a router to cut a wider than normal slot, and (b) to cut either overlapping or stacked slots to get a wider mortise? The idea would be to use a DIY tenon strip cut to suit…

I guess the depth of cut is still a limit, i don’t see any obvious way to get past that….


-- Late awakener....

5 replies so far

View Dan Lyke's profile

Dan Lyke

1520 posts in 4300 days

#1 posted 12-12-2009 08:12 AM

I’ve seen a couple of projects that stacked Dominos vertically: Cut a Domino hole, put a Domino in the hole, put the baseplate on the Domino and cut another one. This can give you 4 or 6 Dominos in like a door frame.

I’ve broken one 5mm bit, after doing a lot of holes back-to-back in Massaranduba and Maple, so I don’t know how they’d hold up for cutting slots, but if I have a need for that much surface area at any point I may try it. I’m known to sometimes abuse tools.

So far I haven’t tried anything, say, door sized where I’d want that much tenon, but it’s good to keep the creative juices flowing…

-- Dan Lyke, Petaluma California,

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105 posts in 3374 days

#2 posted 12-12-2009 06:53 PM

Strikes me too Dan that if it would cut sideways and accept a longer cutter that a more heavy duty version mounted vertically like a hollow chisel morticer might be quite something – with the tool in a 2 axis tilting mount, and a typical xy table with hand wheel positioning to hold the workpiece.

Like a horizontal morticer in the vertical, but one that cuts slots to a pre set length without needing a pilot’s licence to handle the joystick. :-)

Maybe even mount a Domino that way if it would tolerate some abuse…


-- Late awakener....

View dkg's profile


30 posts in 3261 days

#3 posted 12-14-2009 07:10 PM

Built a large number of hinged and sliding glass doors using the domino system. For exterior doors I used epoxy and interior doors Titebond II. Attached the bottom style to rail with 6 10×50 dominos on each side and the top style to rail with 4 10×50 on each side. Did not need to modidfy the depth. Hard to break apart when I had made a mistake, especially with the epoxy.

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Kent Shepherd

2718 posts in 3461 days

#4 posted 12-14-2009 07:58 PM

I don’t think I would move the Domino sideways like a router. It seems like it would be an awkward movement. However, there is no reson you couldn’t plunge the cut, move over and plunge another slot overlapping it. You could also actually cut two separate mortises very close together. Then you could use stock dominos. The advantage would be not having to make the tenons yourself.


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105 posts in 3374 days

#5 posted 12-14-2009 10:32 PM

That sounds promising DKG. I’ve a workbench to build in the coming month or so, and plan to use the Domino to mortise a set of 4 X 4 in trestle type legs in iroko. I know that traditionally these use large wedged through tenons, but on the other hand it might be considered rude not to use the Domino. ;-)

Think you are right on side cutting Kent. For sure the cutters can side cut out at the tip, but looking at one it’s not made to cut sideways behind that. i.e. you would have to plunge it rather than move sideways.


-- Late awakener....

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