Uptower See all →
Yaw Ring Teeth Repair Patented in-nacelle machining. The ring is repaired where it stands - no removal, no crane. Rotor Lock Repair Full rotor lock seat restoration in-nacelle. No component removal required. Bolt Removal & Thread Repair Failed or seized bolts removed and threads recovered without replacing the host component. Yaw Sliding Surface Refurbishment On-site refurbishment of worn yaw sliding surfaces. No yaw ring exchange, no crane. Yaw Gear Mounting Flange Repair Worn yaw drive mounting flanges and damaged threads repaired uptower. Brake Disc Repair Damaged brake disc sections milled out and replaced uptower. Generator Shaft Repair Worn generator shafts machined back to tolerance in place. No generator replacement.
Blade See all →
Blade Root Repair Restore damaged blade root inserts onsite, reducing downtime from months to days Blade Root Bushing Replacement Worn or fatigued blade root bushings replaced in-situ without scrapping the blade. Blade Surface Milling Repair 3D milling of damaged blade areas to an exact surface - uptower or on ground.
Support Structures & Flanges See all →
Monopiles & TPs Sub-millimetre flatness on monopiles and transition pieces. Precision machining performed before installation. Tower Flanges Tower section flange flatness restored on-site. No re-fabrication, no transport. Sea Fastening Machining sea fastenings and towers stands to the required tolerances without transporting the structures to a workshop.
General Industry See all →
Press Platen Machining On-site machining of press platens and beds. Flatness restored without disassembling the press. Line Boring Portable line boring for large bores in-situ. Heavy industry, marine, energy. Axle & Shaft Repair Worn or damaged axle and shaft journals restored on-site. No removal, no replacement. Industrial Flange Machining Sub-millimetre flatness restored on site for industrial flanges on large production machinery.
Measurements See all →
Easy-Laser Measurement Easy-Laser alignment and geometric measurement. Flange flatness, tilt, shaft and machine alignment - verified and documented on site. Laser Tracker Measurement Portable laser tracker measurement of large components. Hole patterns, reference points, machine alignment and flange geometry - up to 0.05 mm. 3D Scanning Handheld ZEISS 3D laser scanning on site. Reverse engineering, CAD comparison, wear and damage analysis - metrology-grade digital documentation.
Custom Solutions Can't find your repair? We design bespoke solutions for unique geometries - wind or industry.
→
On-site Mobile Machining

Precision Machining Tailored To Your Turbines

Professional and innovative on site machining for wind turbines worldwide. No cranes. No nacelle removal. Minimal downtime.

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  • 25+ Countries served
  • 5+ Continents served
  • 3000+ Overall repairs completed
  • 24/7 Worldwide service availability
  • ISO 9001/14001/45001
Close-up view from inside a wind turbine transition piece showing an automated portable CNC machine from CNC Onsite mounted via magnets onto the curved internal wall
Press Release
CS Wind Offshore Selects CNC Onsite for Precision Milling on one of Germany’s Largest Offshore Wind Farm
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CNC Onsite Nominated for Prestigious “EY Entrepreneur Of The Year” Award
Press Release
CNC Onsite Nominated for Prestigious “EY Entrepreneur Of The Year” Award
Read more →
Case: Enabling Precision Manufacturing of Large-Diameter Offshore Wind Flanges at CS Wind
Case Study
Case: Enabling Precision Manufacturing of Large-Diameter Offshore Wind Flanges at CS Wind
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Trusted by wind operators and OEMs across Europe and North America

  • Vestas
  • Siemens Energy
  • NextEra Energy
  • GE Vernova
  • Enercon
  • Nordex
  • EDF Renewables
  • Welcon
  • RWE
  • CS Wind
  • EEW
  • Muehlhan
  • Nicon Industries
  • Orsted
  • Cadeler
  • Vattenfall
  • Smulders
  • Windar
  • Titan Wind
  • SubC Partner
  • Semco Maritime
  • LM Wind Power
  • Iberdrola
  • Vestas
  • Siemens Energy
  • NextEra Energy
  • GE Vernova
  • Enercon
  • Nordex
  • EDF Renewables
  • Welcon
  • RWE
  • CS Wind
  • EEW
  • Muehlhan
  • Nicon Industries
  • Orsted
  • Cadeler
  • Vattenfall
  • Smulders
  • Windar
  • Titan Wind
  • SubC Partner
  • Semco Maritime
  • LM Wind Power
  • Iberdrola
Our Solutions

Specialists In Mobile Machining Solutions For The Wind And General Industry

We restore critical components with precision machining that eliminates heavy logistics and minimizes downtime.

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Why CNC Onsite

FIVE REASONS LEADING INDUSTRY PROFESSIONALS TO CHOOSE CNC ONSITE

Trusted by major turbine operators worldwide

  • ISO 9001
  • ISO 14001
  • ISO 45001
  1. 01
    No Need For Cranes And Heavy Logistics

    By performing repairs directly on site, we avoid costly crane mobilization, component transport, and extended logistic planning - reducing project complexity and delivering faster and more cost-effective solutions.

  2. 02
    Reducing Turbine Downtime

    On site precision machining that reduce downtime from weeks to days, recover lost production, and lower the total economy of the repair.

  3. 03
    Controlled Tolerances And Predictable Outcomes

    Replacing manual and variable processes with controlled and repeatable machining. Optimizing production flows and reducing manual rework.

  4. 04
    Repair Instead Of Replacement

    Rather than replacing entire components, we repair the damaged area while preserving the rest of the asset, extending component lifetime.

  5. 05
    Custom Solutions And Prototypes

    Using our stock of building blocks, we develop and deliver a functional prototype within 14 days, allowing customers to begin repairs immediately while the final machine is being developed.

Track record

Trusted By The Global Wind Industry

  • 25+ Countries served
  • 5+ Continents served
  • 3000+ Overall repairs completed
  • 24/7 Worldwide service availability
  • ISO 9001/14001/45001
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