At FAMUR Gearo, we offer a full range of wind turbine gearbox overhaul services.

Our services include:

• Disassembly, refurbishment, and replacement of damaged components
• Optimization of the microgeometry of gear elements
• Overhauls of main shafts, inverters, and generators

With years of experience and advanced technologies, we effectively restore full gearbox functionality, minimizing downtime and maximizing the operational efficiency of wind farms.

Our production capabilities

Our modern technological facilities enable us to carry out even the most demanding projects, including:

• Machining of housings
• Machining of planetary gearbox yokes
• Milling and grinding of external and internal gear teeth
• Shaping of internal gears
• Turning and grinding of shafts
• Deep hole drilling
• Heat and thermo-chemical treatment

We also offer regeneration and reconstruction of damaged components as part of our services.

State-of-the-art machinery

Our modern machine park includes:

• Mechanical Processing Department
• Heat Treatment Department
• Gearbox Testing Department
• Quality Control Department (equipped with advanced ZEISS measuring machines)

We operate 39 CNC machines from renowned brands such as Mori Seiki, Gleason-Pfauter, JUARISTI, ZOLLER, AXA, and UNION. Processes like milling, turning, boring, and grinding are carried out to the highest quality standards with full product traceability at every stage of production.

Standard wind turbine gearbox refurbishment process

• Gearbox inspection prior to disassembly.
• Gearbox disassembly.
• Visual inspection of disassembled components.
• Measurement of key assemblies.
• Bearing condition assessment in cooperation with leading manufacturers.
• Gear element measurements.
• Gearbox housing measurements.
• Material testing.
• Preparation of a comprehensive technical report.
• Presentation of cost estimate and offer to the client.
• Refurbishment according to the agreed scope.
• Running-in and testing of the gearbox on a specialized test bench.

Scope of refurbishment work

We offer the following services as part of wind turbine gearbox overhauls:

• Disassembly and assembly of gearboxes
• Refurbishment or replacement of damaged components
• Replacement and selection of bearings in line with current wind gearbox technology
• Optimization of gear microgeometry through regrinding
• Design and production of gear elements using high-grade materials
• Refurbishment of journals and bearing seats
• Gearbox housing refurbishment
• Redesign of planetary gear bearing assemblies (eliminating external bearing races to increase durability and prevent ring migration)
• Restoration of protective coatings
• Implementation of design changes to eliminate identified failure causes

Why choose FAMUR Gearo?

• Comprehensive approach
• Modern infrastructure
• Experience with gearboxes from leading manufacturers
• Fast turnaround and minimized downtime

Have questions? Contact us!

See how a wind turbine gearbox overhaul is done at FAMUR Gearo