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Gene Wengert

Gene Wengert, “The Wood Doctor” has been training people in efficient use of wood for 45 years. He is extension specialist emeritus at the University of Wisconsin-Madison.

Wood Dr

Drop in gluing pressure

Q. I just noticed that our gluing press has a slight drop in pressure after the peak pressure is reached (caused by a drop in air pressure when another machine kicks in). Is this possibly the cause of our weak joints?

Wood Dr

Planed lumber pieces that are bowed

Q. We have some lumber that we planed on our two-headed planer. We are certain that the lumber was flat going and coming out. We then stacked the lumber and now about four weeks later, we are seeing a lot of pieces that are bowed. In fact, within the stack, all are bowed the same direction…ends down and center up. Where should we look?