What is a shear plane?

Metal processing technology. According to Baidu Encyclopedia, cutting, folding and planing are common processes in metal processing, including cutting, bending and planing. Shearing is to flatten the steel plate with a shearing machine and then cut it into the required size. Bending is to bend the steel plate into the required shape with a bending machine, and planing is mainly to remove the unevenness on the surface of the plate.