High efficiency automatic plywood quality detecting line

Plywood is use the logs along the growth direction rotation cut into sheets of veneer, after drying, glue spreading then according to the adjacent veneer layer grain direction perpendicular principle assembly , glue paste. The layer number is an odd number, usually 3 to 13 layers, common has 3 layers plywood, 5layers plywood, 9 layers plywood, and 13 layers plywood. The outermost surface of the panel is called the surface veneer, the opposite is called the back veneer, and the inner layer is called the core veneer.