Norbar Case Study
Sulzon Wind Turbine Base Tensioning Down Motor Bolts Original Set-Up
CS-23 Wind Power Application
Original Set-Up
Jacking cylinders with a plate used to tension bolts on base plates of Wind Turbines.
Issues Experienced
A number of issues were experienced with this method including:
- Time consuming
- Tight fitment of tools
- Torque can be used due to torsional stresses
Product Used: Custom Designed B3S EziJac
Benefits include:
- Easy installation and handling
- Precise bolt loads obtainable
- Local support and training available for tooling
Installation Time
Old Method = 24 hours (5-6 personnel)
New Method = 6 hours (3-4 personel)
Time Saving = 18 hours
Feedback
“Using EziJacs around the base meant that we could tension multiple bolts at once which saved a lot of time. We are also able to get an accurate bolt load, which previously we have not been able to achieve.”
– Maintenance Supervisor


Find out more about this product:
Technofast Industries have successfully developed the EziTite® Hydraulic Head Nut System to replace standard mantle Head Nuts.
