Problems with Dado Tearout in Plywood

I’m dealing with dado tearout in plywood. I’ve tried different depths and feed rates, but I’m still having problems.

Michael Dresdner: Sounds like the dado set is the problem. The best results will come from a sharp dado stack that has a negative rake on the teeth. That way, the bottom of the tooth cuts first, eliminating tearout. Take a look at a Forrest Dado King set and you will see what I mean about negative rake teeth — and clean cuts.

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