Replies

1. 
   DonaldCBrown | Aug 13, 2002 12:41am | #1

   Bear-

   I'm afraid the rotary motion of the router cutters used with the Leigh dovetail jig jinx any attempt to be successful with plywood joints with that jig. The flute that is exiting the cut is bound to separate a ply or a few on both faces.

   You mention finger joints as an alternative. I don't recommend cutting finger joints with a router, either, for the same tearout reasons. But I have had success cutting finger joints in plywood with a table saw and stacked dado blades. The cutters push the face ply in on the entry cut; so long as you have a good backer board, they won't tear the remaining ply on the exit cut.

   Almost any woodworking book will feature plans for a finger-joint jig, and many of the catalogs show commercial models.

   
   

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   Edited 8/12/2002 5:43:32 PM ET by Donald C. Brown

1. 
   alias | Aug 13, 2002 01:37am | #2

   thanks don the fing joints we're going to be cut with the table saw thanks again cheers bear