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We4Ce successfully received the International patent advantages are 60 percent cost savings in addition to months of downtime.

This Re-FIT “Method for securing a bushing in a blade root of a wind turbine blades are registered under international patent no.PCT/NL2021/05.

Together with CNC OnSite Denmark a cooperation is set up to serve customers with a validated mobile blade root repair solution at the wind farm. A novel technology using the CNC OnSite drilling experience and the patented We4Ce Re-FIT bushing and repair process. See article for blade root repair on-site. 




We are pleased to announce that the Offshore and Certification Centre UL Dewi-OCC  successfully made up an Evaluation Statement, that the bushing repair method Re-FIT of We4Ce achieves higher pull-out strengths as the original sufficient lifetime and even exceeding the 20 years turbine lifetime. Of course, this dependent on the site-specific wind turbine conditions, which needs to be considered in the final calculation and validation process.

Mr. Edo Kuipers as CTO of We4Ce and one of the inventors says; “We are more than happy to have reached this status of project. Since 2020 we invest a lot in the blade root repair method, solving the problem of end-customers, having loose bushings. We performed several studies in cooperation with TNO and University of Delft , own laboratory testing and structural testing in extreme and fatigue behaviours of this Re-FIT solution.



Zo maken we windmolenwieken van 120 meter mogelijk | TNO


MARCH 2021 | Strongest M36 bushing of the World!

On the Interna­tional Wind Power Composite Material Summit “2021第七届中国国际风电复合材料高峰论坛” from 25-26 March, Mr Edo Kuipers will present a speech and Mr Wang Lu (Michael Wang) will attend personally for face-to-face meetings.

Download the leaflet


DEC 2020 | Bushings in Rotor Blades: Technology and Strength Drivers

On December 7, Edo Kuipers spoke at The AMI Wind Turbine Blade Virtual Summit. You can read his presentation here.


JULY-AUG 2020 | Blade Root Bushing Technology

For wind turbine blades, generally two main root connection types exist to connect the rotor blade to the hub of the turbine: the T-bolt connection or bushing technology.

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MAR 2020 | We4Ce and Boltlife in the news for the development of
reliable blade root to wind turbine hub connections

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FEB 2020 | We4Ce Root Bushing Solution for Rotor Blades

M.A.R.S. 2020: Modular Adaptive Root Solution
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FEB 2019 | Using Polyester Resins in Rotor Blades A Cost Reduction Opportunity?

A case study performed within We4Ce shows a blade cost reduction opportunity for polyester resins in rotor blades. However, will this cost reduction for the blade also lead to a lower cost of energy? By Edo Kuipers, Engineering Manager, We4Ce, The Netherlands
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SEP 2015 | We4Ce: Samen sterk over de grens!

Er ligt in het buitenland voldoende potentieel voor windenergiebedrijven. Download hier het volledige artikel uit het Financieel Dagblad.

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