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Offshore wind turbines extending into the distance above a misty sea.

Wind aftermarket

Repair and renew critical wind turbine components

Nordmark supports wind turbine component refurbishment and repair, with precision machining and coordinated sourcing for large mechanical components such as main shafts, bearing housings and selected gearbox components.

Customer situation

When replacement is not the only option

Wear and damage do not always mean that a wind turbine component needs to be replaced.

Repairing or refurbishing an existing component can be a faster and more cost-effective alternative to sourcing a new one. For many customers, it is also an important part of maintaining a reliable inventory of spare components.

Repair instead of replace

Extend the useful life of existing components when their condition and technical requirements allow refurbishment.

Keep spare components ready

Refurbish removed components and return them to spare-parts inventory, ready for the next planned replacement.

Manage lead time and costs

Avoid unnecessary replacement costs and long procurement times when a suitable repair solution is available.

Nordmark technician using laser measurement equipment beside a large machined cylindrical component.

Nordmark’s role

One partner for machining, refurbishment and coordinated delivery

A successful aftermarket project requires more than machining capacity. It also requires technical understanding, accurate measurements, reliable quality control and coordination of the necessary services.

Nordmark can support an individual machining requirement or coordinate a broader refurbishment process, depending on the customer’s needs.

Technical assessment

We review the component’s condition, available documentation and machining requirements to help determine the appropriate solution.

Precision machining and repair

We carry out the agreed machining operations and coordinate additional repair processes where required.

Quality & documentation

Dimensional measurements, inspections and relevant NDT reports provide documented verification of the completed work

Coating, packaging and logistics

We can coordinate surface treatment, protective coating, wrapping, packaging and transportation as part of the agreed delivery.

Process

From assessment to a component ready for its next use

Every aftermarket assignment starts with the condition of the existing component and the customer’s requirements. Unlike manufacturing a new component, the original drawings and complete technical documentation may not always be available.

01

Assess the component

We review the customer’s requirements, available drawings and the component’s condition.

When necessary, we measure the existing component to establish the technical starting point.

02

Define the solution

Together, we determine the appropriate repair, refurbishment or replacement solution.

We agree on the machining scope, quality requirements, documentation and delivery.

03

Repair and verify

The agreed machining and repair processes are carried out as planned.

Dimensional inspection and relevant quality control then verify that the requirements are met.

04

Protect, document, deliver

We coordinate the agreed coating, documentation, packaging and logistics.

The component is then prepared for return to service, further assembly or spare-parts storage.

Capabilities

Capabilities for wind aftermarket

Wind aftermarket projects often involve large and heavy components with demanding dimensional requirements.

Nordmark combines machining capacity with technical experience and quality control to support both individual repair operations and more extensive refurbishment projects.

CNC milling

Large-scale milling of complex components with high demands for precision and stability. Multi-axis capacity handles demanding geometries and tight tolerances, held consistently across the whole part.

CNC turning

Turning of large components where dimensional accuracy and repeatability are critical. Suited to heavy, large-diameter workpieces that need stable, controlled machining from start to finish.

Technician applying a protective coating to a large white industrial component.

Surface treatment

Surface treatment coordinated with machining whenever the project requires it. Coating and finishing are planned into the flow, so components arrive protected and ready for assembly.

Coordinate measuring machine probe inspecting the inner surface of a machined component.

Quality

Measurement, inspection and documentation that prove every requirement is met. Full traceability and reporting give you the confidence to put the component straight into service.

Thermal spraying equipment applying a protective layer to a metal component.

Thermal spraying & laser cladding

Nordmark offers thermal spraying and laser cladding to restore worn surfaces on wind turbine components.

Nordmark technician using laser measurement equipment beside a large machined cylindrical component.

Machine list

Explore Nordmark’s full machining capacity and technical equipment. See the machines, working envelopes and crane capacity behind our production.

Quality

Quality is part of the process

For aftermarket work, quality starts with scope and continues through machining, measurement and documentation.

  • Stable machining processes
  • Measurement & documentation
  • Traceability
  • Clear communication
Coordinate measuring machine probe inspecting the inner surface of a machined component.

Contact

Repair, refurbish or replace?

Do you have a main shaft, gearbox, bearing housing or another large mechanical component that requires attention?

Contact our team to discuss the component’s condition, available documentation and the possibilities for repair or replacement.

Peter Poulsen
Peter Poulsen Senior Sales Manager

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