Extensive testing has validated our theoretical development process, advancing the ADC.Wedge from prototype to certification status, paving the way for practical application.
Joining components made of materials with significantly different stiffnesses presents a major challenge in achieving effective load transfer. This issue is particularly critical for rotor blade connections in wind turbines, where glass fiber composites must be joined to steel components. Current market solutions vary in effectiveness, often failing to achieve optimal performance and process reliability.
Extensive testing has validated our theoretical development process, advancing the ADC.Wedge from prototype to certification status, paving the way for practical application.
The resulting rotor blade connection is distinguished by its exceptional strength and durability, combined with low weight and high quality reliability. This innovation not only enables smaller connection diameters but also facilitates the realization of segmented rotor blades, meeting the growing demand for longer rotor blades.
certified Pullout Force
(95 % confidence) 1120 kN
Fatigue Resistance
330 kN @ 1e7 (m=10.4)
9.5 kg installation-ready
78 x 78 x 1200 mm with low gradient slope for better load trasfer to shell layup
Countless testings in all variations at accredited test institute
Certification performed in cooperation with the UL
The blade-to-blade connection is achieved
using the ADC.SWAP joint and pretension
system, offering the following advantages:
Unmatched load transmission
High-precision pretension
Easy tightening process
No special tools required
No face milling of the connecting surfaces
Maintenance-free but releasable
ADC.Wedge as
Repair Solution
for Defect Root Bushings
1. Cut out damaged bushing segment
2. Mount ADC.Wedges using bolts
3. Overlaminate Wedges with intact root section
Concept Advantages
No crane neccessary
Easy handling
High level of prefabrication
ADC Connection Solutions GmbH, a spin-off of Aero Dynamik Consult GmbH, has reimagined the rotor blade root and split-blade connection to meet the demands of the constantly increasing rotor diameter and rotor blade loads.
Among our standout products is the ADC.Wedge, an innovative steel bushing system, which enables secure and reproducible bonding of the steel component with the composite material through vacuum infusion.
Strict adherence to all recommended bonding practices in the literature and the use of an enhanced resin formulation results in our excellent bonding properties.
The ADC.Wedge is offered as a ready-to-use solution, making it easy to integrate into the rotor blade.