PROPELLER SHAFT BRACKETS

Manufacturing propeller shaft brackets with marine technical requirements

The manufacturing of the propeller shaft brackets is performed according to the marine technical requirements, using technologically advanced processes, in order to guarantee superior quality and reliability.

The activities related to the realisation of the customised propeller shaft brackets comply with the standards of the various Ship Registers for pleasure boats using the following materials: OTS, NIBRAL, Steel on demand

The design phase of a propeller shaft is focused on conferring minimum vibrations together with mechanical sturdiness to guarantee the safety of the system in all possible conditions.

The Italian Propellers propeller shaft brackets are mainly developed in one size only and undergo torsional stress at even high rotational speeds.

The customised production phase of the propeller shaft brackets is based on an extensive and articulate study and design phase, with strict material selection and quality testing.

Italian Propellers manufactures propeller shaft brackets using innovative and cutting-edge means, which achieve an exceptionally high degree of processing precision, even on the larger diameters.

The propeller shaft bracket measurements require outstandingly high levels of attention and accuracy, as a larger diameter leads to vibrations of the vessel and breakdowns during sailing activities.

The ITP propeller shaft brackets are always supplied complete with a water-lubricated bushing which can easily be interchanged by loosening two locking screws.

Choosing a propeller shaft bracket for your boat can be confusing as there are many aspects to be considered, including width, pitch, length and durability.

The design, construction and measurement of propeller shaft brackets are performed in the in-house laboratories following strict rules and quality control tests to ensure safety sailing.

Perfect alignment of the propeller shafts is a paramount parameter and a prerequisite for a low level of vibration and excellent longevity of the installation.

Misalignment, that is, a change in the measurements of the propeller shaft brackets, is caused by the engine-reversing gear assembly being offset both laterally and vertically.

The displacement of the engine-reversing gear assembly depends on various factors, such as bracket failures, changes in loads or poor maintenance before storage in water.

Propeller shaft bracket manufacturing

The manufacturing of propeller shaft brackets covers a wide range of diameters, lengths and is the oldest version of propulsion modes on motor boats.

Propeller shaft bracket internal propulsion is a direct drive between the engine and the propeller, where engine power is driven through the shaft and then into the propeller.

The engine is positioned in the centre of the vessel, forward, to reduce the angle between the shaft and the waterline of the motor boat.

Italian Propellers offers its customers a comprehensive range of propeller shaft brackets to meet the needs of pleasure boats, fishing speed boats, yachts and boats from 7 to 50 m.

The manufacturing of propeller shaft brackets is performed in the in-house laboratories following strict control procedures, complying with ISO 484/2 certification to guarantee excellence in terms of precision, quality, safety and efficiency.

A team of highly trained professionals closely monitors the process from design to the manufacturing of the propeller shaft bracket using superior quality materials.

Thanks to the almost obsessive attention paid to detail, the Italian Propeller experts are able to avoid breakdowns whilst sailing, effectively preventing the causes.

The manufacturing of propeller shaft brackets requires experience, professional skills and innovative means to achieve maximum vessel performance and more economic fuel management.

Italian Propellers is the perfect mix of quality design, innovative technologies and highly qualified personnel, doing everything possible to meet the demands of all its customers.

Propeller shaft bracket design

The design of propeller shaft brackets requires professional skills, attention to detail, superior quality materials and advanced technologies to guarantee an innovative and safe product.

The propeller shaft bracket is the device that allows the mechanical energy to be transmitted from the engine to the propeller to exert the thrust required to move the boat forwards.

During the transmission, some of this energy is inevitably dissipated by friction, and this is taken into account by introducing a dimensionless coefficient.

The meticulous design and manufacturing of a propeller shaft bracket bestows a sense of safety, comfort and fuel economy in relation to the vessel.

Marine propellers must be fastened firmly in place whilst sailing to allow maximum flexibility, also in cases of special manoeuvres or emergencies.

The marine propeller shaft coupling is one of the crucial parts of the engine and the design of the marine propeller shaft brackets is specifically made to bind the two propellers together and hold them in place.

Italian Propellers design of the propeller shaft brackets uses 3D models and aims to achieve optimum performance in accordance with the different demands of each type of vessel.

Using accurate quality and strength tests, the experts at Italian Propellers guarantee high efficiency performance and the lowest level of vibration for sailing vessels.

Propeller shaft bracket repairs

Repairing propeller shaft brackets is essential if there are destructive effects of erosion due to cavitation that cause vibrations to occur on the vessel.

The propeller shaft bracket is sufficiently sturdy to support the bearing under normal operating conditions, up to the maximum power that can be developed by the engine.

Thanks to many years of experience in the marine industry, Italian Propellers guarantees its customers routine and extraordinary maintenance plans and the repair of propeller shaft brackets.

And in the event that significant levels of wear are detected Italian Propellers replace the propeller shaft brackets using the best materials available on the marine market.

To avoid serious vessel failures and guarantee safety while sailing, Italian Propellers performs a number of essential tasks such as:

• The stress generated shall not exceed the fatigue limit of the material
• It must be proportionate to withstand the stress generated in the event of loss of a propeller blade or blocking of the arm bearing
• It must be rigid enough to prevent vibrations and to absorb any vibrations caused by the action of the shaft-propeller assembly
• It must have a safety margin to allow the arm to withstand extraordinary actions, such as knocking caused by the propeller which emerges while tackling stormy high seas or touching a rock or the sea bed
• It must have hydrodynamic characteristics to the extent that resistance and interference with the flow of water to the propeller are kept to a minimum