Ship Engineering Components That Connect The Rudder To The Rudder Post Or Rudder Arm

Ship Engineering Components That Connect The Rudder To The Rudder Post Or Rudder Arm

A Rudder Pintle is a conical pin shaft or stud used to connect the rudder blade to the rudder arm or rudder post. It is usually divided into an upper rudder pintle and a lower rudder pintle. Its conical design helps to improve the stability and sealing performance of the connection.

Structural Composition Of Castings And Forgings

Upper rudder pin: Supports the upper part of the rudder blade and cooperates with the rudder button (pin seat) that mounts the rudder arm.

Lower rudder pin: Supports the lower half of the rudder blade. In some designs, it may be omitted and is only connected through the upper rudder pin or the rudder rod.

Bushings: Usually made of materials such as bronze and FEROFORM, they are used to reduce friction and extend service life.

Application Scenarios Of Castings And Forgings

Rudder pins are widely used in semi-suspension rudder systems, especially in large bulk carriers, oil tankers and other vessels, to suspend and rotate the rudder blades through the rudder arm.

Core Function Of Castings And Forgings

Force transmission: The torque of the steering gear is transmitted to the rudder blades to drive the ship to steer.

Support function: Bear the weight of the rudder blades and the radial and axial loads generated during navigation.

Sealing property: Water tightness is achieved through conical mating and bushings to prevent seawater from seeping in.

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