Why does the carpenter's double-sided planing material bend upward?

Because the planed material is very thin, it will bend upward.

Woodworking machine for processing wood plane or molding surface with rotating or fixed planer. According to different technological uses, woodworking planers can be divided into flat planers, press planers (single-sided press planers and double-sided press planers), double-sided planers, three-sided planers, four-sided planers and polishing planers.

The fixed planer of the woodworking planer is installed in the middle of the workbench, and the seamless belt drives the plate to pass through the cutter at high speed, scraping off the wavy knife marks left by the previous procedure to make it smooth and straight. This planer is suitable for the final processing of wood planers.