Reply by jmos

Thanks teejk, that’s exactly what I was getting at; flipping end for end; guess I wasn’t as clear as I could have been. I usually flip every two or three passes.

I usually go for less than 1/16” removal a pass, unless there is some defect I’m trying to remove. Have you tried a shorter board? Same issues? Better? Worse?

If your not removing material from the end of the board it sounds like your either letting the front end of the board lift the back end (or the tables aren’t actually coplanar and are pulling the end of the board up), or the knives are actually lower than the outfeed table. Since you seem very aware of keeping pressure on the outfeed side, and you’ve checked them for coplanar, the knives would be my guess.

I would suggest trying a much shallower cut and see how it goes. You could also try to bump up the outfeed table a touch and see if that helps.

-- John