I am making a table with mortise and tenon joinery between the apron sides and legs. Has anyone made tenons on a router table coping sled? It seems like it should work well, but I’ve never seen that technique described anywhere. I don’t feel experienced enough to make up new woodworking techniques, so I’m wondering if this is a bad idea for some reason? I plan to use a beefy straight bit, flipping my board over with each pass to arrive at the dimensions that I need.
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Replies
What you describe should work fine, but could be a bit time consuming compared to other methods. I would probably suggest an upspiral bit versus a straight bit for better chip clearance and less blowout. You will still need a sacrificial board behind your work piece to prevent the bit from creating tearout as it exists the workpiece.
Is there a reason you don't want to use more conventional methods such as a tablesaw, bandsaw or even cutting them by hand? I can imagine a lot of time spent making multiple passes on 4 sides clamping and unclamping the work piece each time. I would almost guarantee that I could cut them by hand faster and quieter than all those passes on a screaming router table.
I've used the method described in this video.
https://woodschool.org/woodschool_videos/24-how-to-make-tenons-on-a-router/
for best results do not skip using a covering for the router table as shown in the video, any variation in the table surface (throat plate, router lift) may cause inconsistent results.
I have also cut the shoulders on the table saw. Using the method in the video staying slightly away from the shoulder cut the tenon cheeks, then finishing up with a chisel to remove any material remaining.
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