Navy repairs of propeller shafts for the Danish Navy - defense vessel HDMS Peter Willemoes F363 and UK navy vessel HMS Protector

Laser cladding of bearing journals
Micro welding of scratches on a propeller shaft coupling end

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HDMS Peter Willemoes F362

Two stainless steel propeller shafts each measuring more than 20 metres have recently left our workshops after repair. The shafts belong to the defense vessel Peter Willemoes which is drydocking at Orskov Yard.

After run-out measurement, one shaft showed deflection and was cold-straightened in our hydraulic press. Both propeller shafts had suffered from wear on the aft bearing journals. These damages we repaired fast and efficiently using our laser cladding equipment.

Have a look at the video below from the laser cladding

MarineShaft has had the privilege to carry out several repairs for both Danish and foreign navy vessels over the years.

UK Navy vessel HMS Protector

The propeller shaft and propeller blades arrived at our workshop, and the following run-out test of the propeller shaft showed no deflection. Therefore, we did not have to straighten the shaft. The propeller blades needed machining of the sealing surfaces.

The propeller shaft coupling end had damages that needed repair to secure density. Using our micro welding equipment, we welded on metal plating to rebuild the scratches. This unique repair technique requires no machining afterward – only manual polishing is necessary.
This reduces the time of delivery and no workshop facility is necessary.

This unique repair technique requires no machining afterward – only manual polishing is necessary. This reduces the time of delivery and no workshop facility is necessary.

Our micro welding equipment is portable and easily taken along to any location worldwide. If you want to learn more about this repair technique, check out the video link.

Thank you for your interest in our newsletter and have a nice weekend.

Best regards
MarineShaft A/S

Hanne Magnussen
Marketing Manager

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Pier 2 I 9850 Hirtshals I Denmark I Tel. +45 96560202

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MarineShaft · Pier 2 · Hirtshals 9850 · Denmark