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a revolutionary transmission design
for torque loads of 10,000 kNm
Multifunctional CFRP components
The new flexshaft combines the key features of a drive shaft with a coupling – in a single, integrated component. flexshaft torque shafts provide maximum torque strength for high torque transmission, while offering low bending stiffness.
As a result, the shaft takes on flexible coupling properties, balancing misalignments between connected components in the drive train.
This reduces the number of mechanical components in the design such as couplings, universal joints, bearings,and assembly parts – the kinds of parts that are prone to wear and often require a lot of maintenance.
The unique flexshaft design allows for torque loads up to 10,000 kNm.
Fit and forget
Our unique composite construction of CFRP and steel is what makes flexshaft torque shafts stand out in terms of function and performance. Conventional torque shafts made exclusively of steel can only match the performance of our torque shafts in more intricate setups, and at much larger weights. What’s more, due to its special material properties, CFRP offers a number of advantages for the construction of transmission components: flexshaft torque shafts are corrosion resistant and virtually maintenance free. Also, the relatively low coefficient of thermal expansion of CFRP in comparison to steel guarantees stable running characteristics, even at varying temperatures under a variety of operating conditions.
The innovative, patent-pending design and manufacturing concept behind these unique torque shafts means that our flexshafts can be customised to meet a variety of demands in terms of dynamic load, drive and installation conditions.
As a result, the geometric design, as well as the laminate are optimally designed based on transmittable torque, desired torque strength and the bending stiffness outlined in the requirements specification. In a fully integrated manufacturing process, the entire shaft – including load transfer elements and attachment flanges – is completed in a single manufacturing step, prior to the final cure of the carbon fibre laminate.
This eliminates the need for bonded joints or bolted connections, ensuring a safe load transfer and enhanced manufacturing consistency.
Features and benefits at a glance
larger spans
thanks to higher specific stiffness
low upfront investment
due to reduced design complexities and simplified layouts
less effort in assembly
through avoidance of further mechanical components
significantly reduced weight
for faster, simplified handling
outstanding damping
for low noise and low vibration operation
wear- and maintenance-free
over the complete service life thanks to corrosion resistance and bearing-reduced design
high operational reliability
on account of a fully integrated in situ manufacturing process and significantly improved fatigue strength
low energy consumption
due to low inertia torque
Application areas
Ship propulsion
Wind power turbines
Hydroelectric power stations
Construction machinery
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Application areas:
Ship propulsion
Wind power turbines
Hydroelectric power stations
Construction machinery
