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As a lot of posts start in woodweb, I have searched many posts, but have yet to find specifically what I'm looking for. Our background is in face frames, but now have a CNC and edgebander and wonder if we can get rid of the face frames. I've used cabparts.com years ago and they use a confirmat and dowel method. After reading many post, I see that others are using it as well. Eventually want to move into complete dowel assembly with clamp, but a clamp isn't in the near future. The question is that I have a fixed head 23 spindle horizontal boring machine. I'm looking for help on how far back to set the first hole and placement/pattern of dowels and confirmats (how many of each). The panels will be indexed off of both sides of the machine so I'm trying set the pattern up with little change over from 12" to 24" panels. Thanks for any help, Andy
I use confirmats
3 on upper cabinets
4 on lowers
Here is what I'm thinking about.
Click the link below to download the file included with this post.
I go 37mm back from the front edge and then try to space them evenly from there. I have an old CNC drill so changing the drill pattern is fairly simple. If you go by AWI standards I think it specs not more than 128mm between dowels IIRC. If I'm wrong on that hope someone will correct as my book is packed away somewhere right now;>)
I played with do all dowel (or confirmat) setups some time ago. I've added a mixed option. The drawing assumes front/banded edges against the stops/side fences (outside down). Back edges could be +/- whatever, start/front holes could be 37/21 +/- whatever. There could be more/better options w/ 23 spindles (VS 21).