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Roundover a 45 miter joint

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10K views 8 replies 6 participants last post by  Andybb 
#1 · (Edited by Moderator)
Building a small box for a cremation urn. I've joined the sides with 45 degree miters. I'd like to soften the outer edges with a round-over routing. If it were just a butt joint, I'd be routing a single piece of wood. I believe, though, the fact that the edges are glued together will provide enough support and negate the fact that the edges of each piece are really thin pieces (hope that makes sense). So in short, does anyone see any problem with doing a round over on an edge that is to pieces glued on 45 miter?
 
#3 ·
You didn't mention the type of wood. Some species are more prone to splintering at the point.
(on what you call the thin section, I call the point)

A sharp router bit and you should be fine.
If you notice any splintering you can go the other direction and do a climb cut.
You should be fine using a router.
 
#4 ·
Normally I would say go for it, but the "really thin" part makes me hesitate. Two things to consider are the radius of the bit and how thin is "really thin". You will be removing material so it will be possible to remove so much that there is nothing left to hold it together. Caution, here.
 
#5 · (Edited by Moderator)
Wood is canary. I attached some pics. By "thin", just meant that the edge of each piece of wood gets thin because of the 45. But it's now glued, so one mass that I'm running a round over on. Basically looking to round over all outside edges (after I finish the lid, of course). Btw, I'd be using a 5/16" radius bit. Brand new Freud Quadra Cut. walls are 1/2" thick.

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#7 ·
I think that part is ok. I'll measure to be 100%. In the end, it's probably a stupid question. Was just thinking if I was risking anything unusual in the area of tearing and such by rounding the outer edge of mitered joints like this.
 
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