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gear-tec – Fertigung

Diagnosis and overhaul of wind turbine gearboxes and rotor main shafts with complete service from a single source.

gear-tec Logo

gear-tec GmbH

Eggebek (DE)New on Amplifa

2006Founded
19Employees
3.3 Mio. €Revenue 2024
25 gearboxes / 50 main shaftsOverhauls per year
up to 50 tComponent weight in the workshop hall

About gear-tec

gear-tec GmbH, based in Eggebek, specializes in the diagnosis and overhaul of wind turbine gearboxes and rotor main shafts. Founded in 2006, the company has been part of Deutsche Windtechnik Service GmbH & Co. KG since 2018 and offers complete service: from inspection via video endoscopy through repair and alignment of gearbox and generator to de- and remounting at the wind turbine as well as crane service and transport. In the workshop hall at the Eggebek site, components weighing up to 50 tonnes can be handled, which is sufficient for all common gearbox makes up to 2.5 MW. On average, 25 gearbox and 50 main shaft overhauls are carried out per year. Experience exists with all common turbine types up to 3 MW, including Vestas, Senvion, Nordex, Siemens, Tacke/GE and Enercon. References exist for common gearbox types such as Winergy, Bosch Rexroth, Hansen, Eickhoff, JaKe, Renk and Moventas.

Site
Eggebek
Processes
Video endoscopy / inspection of wind turbine gearboxes, Overhaul of wind turbine gearboxes (gearbox repair), Overhaul of rotor main shafts, Alignment of gearbox and generator (drivetrain alignment), De- and remounting of the gearbox on the wind turbine, Vibration analysis after overhaul (online via CMS), Crane service and transport of gearbox/main shaft components, Preparation of inspection plans in accordance with standards incl. documentation of inspection
Materials
Maintenance and Overhaul, Video Endoscopy, Drivetrain Alignment, Vibration Analysis
Certificates
Documentation of inspection results
Founded
2006
Employees
19
Industries
Wind energy
  1. 01

    Inspection (video endoscopy, inspection plans)

  2. 02

    Crane service and transport

  3. 03

    Dismounting at the wind turbine

  4. 04

    Overhaul in the Eggebek workshop hall

  5. 05

    Remounting and alignment of gearbox and generator

  6. 06

    Commissioning and vibration analysis (CMS)

Processes and Services

WE

Maintenance and Overhaul

Diagnosis and overhaul of wind turbine gearboxes and rotor main shafts at new-part level.

VE

Video Endoscopy

Precise condition analysis of the gearbox without disassembly, including inspection documentation.

AU

Drivetrain Alignment

Alignment of gearbox and generator with state-of-the-art measuring equipment.

SA

Vibration Analysis

Proof of proper overhaul and baseline data for gearbox monitoring, online via CMS where possible.

Site

Standort Eggebek

Eggebek

DE

Headquarters and workshop hall for components up to 50 t

Part weight / size
up to 50 t (gearboxes up to 2.5 MW)
Lot size
One-off production (approx. 25 gearbox and 50 main shaft overhauls/year)
Materials
Wind turbine gearboxes and rotor main shafts
  • Workshop hall with crane system/lifting gear
  • Video endoscope
  • Measuring equipment for gearbox/generator alignment

Components

Main shaft replacement at the wind turbine
Main shaft replacement at the wind turbineOverhaul · Wind energy
Gearbox overhaul
Gearbox overhaulGearbox repair · Wind energy
Gearbox component
Gearbox componentOverhaul · Wind energy

Inside the production

Gearbox overhaul at the wind turbine
Gearbox overhaul at the wind turbine
Work on the gearbox
Work on the gearbox
Gearbox overhaul
Gearbox overhaul
Component handling
Component handling
Gearbox overhaul
Gearbox overhaul
Overhaul work
Overhaul work
Gearbox service
Gearbox service

Industries

Wind energy

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Video endoscopy / inspection of wind turbine gearboxesTesting–––––
Overhaul of wind turbine gearboxes (gearbox repair)Assembly––up to 50 tonnes (in the workshop hallapprox. 25 gearbox overhauls per–
Overhaul of rotor main shaftsAssembly–––approx. 50 main shaft overhauls per–
Alignment of gearbox and generator (drivetrain alignment)Assembly–––––
De- and remounting of the gearbox on the wind turbineAssembly–––––
Vibration analysis after overhaul (online via CMS)Testing–––––
Crane service and transport of gearbox/main shaft componentsAssembly–––––
Preparation of inspection plans in accordance with standards incl. documentation of inspectionTesting–––––
Provision of exchange components / replacement gearboxes and spare partsAssembly–––––

3 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Workshop hall with lifting gear/crane system for heavy components––––Eggebek
Video endoscope––Internal visual inspection of gearboxes–Eggebek
State-of-the-art measuring equipment for gearbox/generator alignment–––––

Additional services

Inspection and replacement gearboxes (video endoscopy, inspection documentation)Repair and overhaul of wind turbine gearboxes and rotor main shaftsAlignment of gearbox and generatorCommissioning and optimization (vibration analysis, CMS)Crane service and transportDe-/remounting at the wind turbineProvision of exchange components/spare parts

Reference customers

WinergyBosch RexrothHansenEickhoffJaKeRenkMoventasVestasSenvionNordexSiemensTacke/GEEnercon

Quality

Inspection plans are prepared in accordance with standards and all inspection results are documented without gaps. After the overhaul, a vibration analysis, online via CMS where possible, confirms proper execution.

EvidenceEggebek
Documentation of inspection results

History

  1. 2006

    Founded in Eggebek

  2. 2018

    Subsidiary of Deutsche Windtechnik Service GmbH & Co. KG

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