Wind energy – shrink disc tool


Customer’ enquiry (Nordex)


Optimization of the extremely time and labour intensive fitting of shrink discs in wind park production


Solution and results


Development of a hydraulic shrink disc tool (patented)

Reduction of the assembly time from 6 hours to 5 minutes; pressure 1300 t

First installation commissioning 2006, second installation in 2009, third and fourth installation in 2010 (both in USA)



photo: © D. Lange

Skysails mast testing facility

© D. Lange