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Small Details of Great Importance
Figure 1: Cross-sectional Views of a Traditional Root Design (top) and
significantly,” explains Flemming Sørensen. “It is our experience that
the SSP Root Joint (bottom)
the earlier we are involved in the design phase, the bigger the
improvements. A simple phone call often makes a big difference in our
business.” The SSP root solution is thoroughly tested and implemented
in blades with the following lengths: 34, 39, 43, 45, 51 and 63m. The
potential to implement the same root solution in even bigger blades
with a successful result is evident; research institutes throughout Europe
share this opinion.
There are many advantages to implementing the SSP root design in
your blade:
• patented design and production method;
• proven technology;
Figure 2: Production of the SSP Root Joint • unique design that can be specifically modified to each blade and
production process;
• bolt circle is diameter-minimised according to load;
• ultimate homogeneous quality level;
• minimal weight difference (within ±1%);
• minimal investment in tests and production equipment;
• flexible production;
• easy implementation;
• variable number of steel inserts;
• local production;
• maximum utilisation of material properties;
• fits in both infused and pre-preg produced blades; and
• significant cost savings on mould time.
Figure 3: The SSP Root Joint – Reliable and Thoroughly Tested
Innovators in Competitive Blade Manufacturing
In order to make world-class blades, the tooling must be perfect. As well
as having in-depth knowledge of the root joint, SSP Technology is also
designing and manufacturing high-quality blade moulds. Mould
concepts for the manufacture of blades up to ≥60m in length have been
successfully realised and SSP Technology is actively involved in projected
larger and more cost-effective blade development. “We cannot be an
innovator of competitive blade manufacturing without also ensuring that
the moulds are first-class,” says CEO Søren Brouer. “Based on our simple
effective design and our concept of local co-building to keep cost to a
minimum, we also take care of this side of the business. Not being a
blade supplier ourselves, we work with the major suppliers in the world,
and have manufactured moulds of many sizes, the largest being more
than 60m. This experience is an integrated part of the service we provide,
and we put every lesson learned into our blade and mould designs.”
The SSP root joint is made in serial production with all plies cut by computer-aided manufacturing machines
in pre-preg material.
Knowledge Sharing Is the Key to Success
SSP Technology is more than happy to share its specific knowledge
drilling. In addition to the direct cost associated with the grinding and and know-how with customers. In the future, the competition in
drilling of the bolt holes, the SSP root joint also reduces the the market is going to demand the best from the players that
requirement for manufacturing space by an estimated 20% and already are or have plans to be among the best quality and
eliminates the significant cost of the root-grinding machines. most price-conscious suppliers. SSP Technology is offering customers
solutions that are adjusted and optimised to each specific product, and
The many advantages of the SSP root are best utilised in an SSP takes pride in exchanging knowledge and experience with customers
tailor-made blade design where the implementation of the root will during the different project stages in order to make sure that
prove most beneficial. It can be implemented quite easily, and SSP expectations are met and that the status of each project is evaluated
Technology has many years of experience working with other blade and validated according to the agreed time-frame.
designers to improve their designs by means of SSP root joints (see
SSP Technology understands the importance of working together as aFigure 3). “On the majority of designs, SSP Technology is able to reduce
the weight of the blade and the production cost on the produced blade team while catching the winds of tomorrow, today. n
MODERN ENERGY REVIEW VOLUME 2 ISSUE 1
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