Join Date: Aug 2006
Country: United States
First Name: Rolf
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Making dovetail joints in plywood is more prone to tear outs than solid woods.
There are few things you can do to reduce or eliminate the TO’s. Use a sharp/new DC spiral bit. And also use a front and back backing board. If you don’t have a DC spiral bit and are using straight bit ( must be sharp), you have to use a front and back backing board for sure. Depending on you dovetail jig set up. Some jigs you only have to use one board in front for tear outs. The speed of the bit should be set to the size of the router bit. If it’s ½ inch bit or smaller then use a max speed.
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