The rudder stock refers to the shaft where the rudder blade rotates, which is used to bear and transmit the force acting on the rudder blade and the force that the rudder gives to the steering device, that is, the rudder is rotated by the rudder stock, and the rudder blade bears the reaction force of water to make the ship turn. The rudder stock shall have sufficient strength. The section with the largest bending moment on the rudder stock is at the lower rudder bearing.
Process: forging, cutting, welding, grinding, etc.