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New Domino user question

879 views 7 replies 5 participants last post by  Jared_S 
#1 · (Edited by Moderator)
I just joined two 3/4 inch plywood pieces at a 90 degree butt joint and was unable to understand why the slots were not being centered in the plywood. I just unpacked this tool Saturday gave it a quick tryout and left town for a short trip. Searched around for an answer on the internet and really didn't see this being addressed. Surely I can center them if I want. What gives? Are there any good tutorials sites that have good content for a newbie festool user?
 
#2 · (Edited by Moderator)
I'm guessing your mean centered across the thickness. The fence goes up and down to set the mortise where you want. Truthfully, if it's close and you reference the correct positions…it doesn't matter. The mortises will line up. there is a scale on the fence that measures to the center of the mortise (in mm). So if you set it at 8(+/_) it should be close for 3/4" ply.
 
#3 ·
If I set the fence (with the tool flat on the work table) to the thickness of the plywood and plunge a mortise the mortise is not centered on the end. Why would I need to adjust the fence by hanging the tool over the end of the work table in order to get a centered mortise? I'm missing something?
 
#5 ·
The way you're doing it, the bottom of the Domino is registered off the table instead of the fence.

Always register off the fence, and when you're plunging be sure the board is either elevated off the table or hanging off the edge a bit.

This will solve your issue.
 
#7 ·
If I set the fence (with the tool flat on the work table) to the thickness of the plywood and plunge a mortise the mortise is not centered on the end. Why would I need to adjust the fence by hanging the tool over the end of the work table in order to get a centered mortise? I'm missing something?

- Vintagewood1960
Its not self centering.

Reference off the bottom or refrence off the fence, but not both. If referencing off the fence you would need to set it for 1/2 the thickness of the stock to center it.
 
#8 · (Edited by Moderator)
The way you re doing it, the bottom of the Domino is registered off the table instead of the fence.

Always register off the fence, and when you re plunging be sure the board is either elevated off the table or hanging off the edge a bit.

This will solve your issue.

- Robert
You can't alway register off the fence. shelves/dividers in the middle of a case for instance require registration off the bottom plate.

I personally would register off the bottom plate for the operation the op is suggesting (2 boards at 90 degrees)
 
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