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 Repair On-site repair of worn yaw sliding surfaces. No yaw ring exchange, no crane. Yaw Gear Mounting Flange Repair Worn yaw gear 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 Contact Surface Repair CNC-controlled machining of worn or damaged blade root contact surfaces. Blade Root Bushing Repair Restore damaged blade root inserts onsite, reducing downtime from months to days. 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. Industrial Flange Machining Sub-millimetre flatness restored on site for industrial flanges on large production machinery. Sea Fastening Machining sea fastenings and towers stands to the required tolerances without transporting the structures to a workshop.
General Industry See all →
Machine Plane Restoration On-site machining of machine plane. Flatness restored within specs 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.
Measurements See all →
3D Laser Tracker Measurement Portable laser tracker measurement of large components. Hole patterns, reference points, machine alignment and flange geometry - up to 0.05 mm. Easy-Laser Measurement Easy-Laser alignment and geometric measurement. Flange flatness, tilt, shaft and machine alignment - verified and documented on site. 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.
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Wind Industry

Machining Solutions For The Wind Industry

From the nacelle to the foundation — precision repairs and machining delivered where the turbine stands.

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
What We Do

Repair Instead Of Replacing

CNC Onsite delivers precision machining solutions across the entire wind turbine — uptower, blades, and support structures. Our portable CNC systems repair components where they stand, eliminating cranes, transport and months of downtime.

  • 3000+ Repairs completed
  • 0.05 mm Positioning tolerance
  • 80% Cost reduction vs. replacement
  • 3-7 days Typical time on site
Wind solutions

THREE PLACES WE WORK

Pick the part of the turbine you need fixed. Each track lists the specific services we deliver and the platforms we support.

Speak to an engineer

Ready To Talk About Your Project?

Get a feasibility assessment and indicative quotation within one business day.

Ole Andersen
Your direct contact Ole Andersen +45 31 51 11 48 oan@cnconsite.dk

Damage photos help - email them directly or attach them when we reply.