Cutting Big Dadoes With A Router
Cutting big dadoes with a router is article about Joinery bookmarked by ernest with ID 13960561781 was uploaded on 24-01-2019 and has been viewed 386,154 times.
A simple jig and a pattern cutting bit make big dados a small concern.My friend, Tim, showed up recently with the need to make a sign frame out of 4 x 4s.In order to make the frame for the sign rock solid we wanted to cut dados into the vertical posts to received the horizontal parts.
How to handle these 1″ deep, 3-1/2″ wide dados.The prospect of crosscutting them on the table saw seemed daunting.An 8′ long 4 x 4 just weighs too much.This project called for taking the tool to the work, not the work to the tool.
Back in my carpentry days we'd commonly notch construction grade material by making MANY passes with a circular saw, then chiseling the dado flat.That works OK, but not great.I decided the answer for this project would be a hand-held router, pattern cutting bit, and shop-made jig.
Making a sign frame - Sizing the jig to the posts / Sizing the jig to the frame: The Jig.I ran four 2 x 4s through the planer and jointer to make sure the faces and edges were flat and straight.We clamped the 2 x 4s to the vertical post and scr*w*d...