New manufacturing of hydraulic coupling and yoke

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Dear *|HTML:FNAME|*

We want to share two of our recent projects with you.

Both projects involved repair and manufacturing of new parts/components. For many of our in-house jobs, repair, and replacement go hand in hand. Keeping material in stock is of high value and importance to guarantee a short delivery time.

CASE:
Propeller shaft Ø539 x 17529 mm with damages to piston surface.
Replacement of yoke

Once the propeller shaft arrived at our workshop, we evaluated the repairs needed, and our repair plan was approved by the involved classification society - in this case, LR.

The best repair option was rebuilding the surface using our laser cladding technology.
Before machining the damaged areas we checked for defects by a liquid penetrant inspection.

Two layers of Inconel 625 alloy powder were applied.
Hence, we machined the laser-cladded areas to the original size, and FORCE Technology came to perform the non-destructive test as an independent 3rd party.

As the yoke needed to be replaced, we could offer the customer a new yoke based on the provided drawings.

With S355 material in stock and ready to machine we could complete the entire job in less than 20 working days.

The next project includes the manufacturing of a new hydraulic coupling.

CASE:
Propeller shaft Ø340 x 15166 mm with a 0.4 mm misalignment at the mid-shaft and
with damages to the shaft cone. Defect coupling

Our job included:

Cold straightening of the propeller shaft
Machining of the shaft cone
Manufacturing of a new hydraulic coupling to fit the shaft cone
Fitting the parts.

It was necessary to manufacture a new hydraulic coupling.
After cold straightening the shaft, the damages to the shaft cone were machined, and the new coupling was manufactured to fit the new dimension accordingly.

We manufactured the new coupling according to the provided drawings from the customer.

The entire process, fully approved by BV, was completed in less than 22 working days.

Maintaining a large stock of materials is of great importance to us. We exclusively purchase raw materials of European Origin with class approval.

The latest purchase is this big steel flange shaft with a diameter of Ø1315/605x800/16700 mm

Thank you for your interest in our newsletters. We hope you will keep us in mind for your next repair request.

MarineShaft A/S

Hanne Magnussen
Marketing Manager

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MarineShaft A/S I Jens Munksvej 1 I 9850 Hirtshals I Denmark I Tel. +45 96560202
ISO 9001:2015 certified

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