Hi,
This is a homemade mortising jig I designed and built for loose-tenon joinery. Previously I had used a Beadlock jig, but I always wanted to try router made mortises.
I studied plans from Workbench, Fine WW, Popular WW, etc...book articles by Pat Warner, Gary Rogowski, Tage Frid.
I designed it in CAD and had the curved outrigger support arms cut on the CNC at work, but all other parts I made at home. It's mostly 24mm and 27mm multi-ply (Russian birch ply) with a mounting plate of 3/4" mdf. The extrusions are 8020 10 series. I just have to figue out how to mount the edge guide to the linear motion bearings (UHMW). I'll add sliding stops in the t-slots. The reason for no top plate and a outrigger support is to not lose any depth capcity like other jigs, here the wood goes right up to the router base to enable deep mortises.
Capacity is 3.5" thickness, 8.5" width and length varies if it's a rail or stile.
Since I've never made this type of jig before, i'm looking at it like a learning experience, and consider it a prototype. I'll discover it's shortcomings in use and correct them in the final version. Yeah, right! who has time for that, except for jig designers.
I'd really appreciate any comments and criticisms.
Thanks for looking,
Pete