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Propeller service & repair
VMS Group specializes in the reconditioning and overhaul of damaged or bent propeller blades – from the demounting on-site, the repair of the equipment and the final delivery or commissioning.
We are approved by the classification societies to carry out the special welding procedures on propellers, and all repairs are done according to the requirements of the classification societies.
We repair all types of propellers
We repair and maintain all types of bronze or stainless steel propellers and propeller blades, as well as carry out all kinds of work, such as:
- Welding and straightening of blades
- Propeller cavitation repairs
- Propeller edge restoring
- New tips for propeller blades
- Balancing propellers
- Machining of propeller blade feet and propeller hubs
- Manufacturing of new propeller blades
- Heat treatment and documentation
Manufacturing of propeller blades
Manufacturing of new propeller blades are done with regards to the special welding procedures that have been established by the classification societies.
We offer propeller overhaul after installation to make sure that the propeller blades run efficiently.
Manufacturing of new tips
When manufacturing new tips, the damaged sections of the blades are cut off and samples for analysis of the material are taken. The new tips are casted to be welded onto the blades.
Depending on the material, the blades are then heat-treated to normalise the material after the welding.
Maintaining full efficiency of the blades
To obtain full efficiency of the blades and lower fuel consumption, we polish the blades in several steps to obtain the original smooth surface.
If possible, straightening of the blades is also an option. The blades are then adjusted back into original shape using heat or cold straightening.