Working at heights does not only require strong nerves, but also highly reliable equipment. Therefore, the manufacturers of special vehicles pay particular attention to precision and accuracy. Precise positioning and stability are crucial for personal as well as operational safety. This is exactly where Liebherr slewing drives come into play.

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Liebherr Components provides servo cylinders for a 6DoF rig to test industrial components. 6DoF stands for “six degrees of freedom” and refers to the freedom of movement of a rigid body in three-dimensional space.

How does that exactly work? A 6DoF rig is a spatial motion machine, in which six servo cylinders act as linear actuators to drive it. They combine high velocities with relatively short stroke lengths. This allows high stroke frequencies of several extracts and retracts per second.

Upon testing, for example, aerospace components are set into vibration for a certain period of time, ranging from a few hours up to several months. In this way, their durability can be verified reliably.

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Thanks to the acquired field experience, our engineering team has enhanced the original engine version of the G9620. Extensive tests have not only been carried out on the test benches at our production site in Bulle (Switzerland), but also at a partnering plant - the company Gruyère Energie SA (GESA).

“We have reached the threshold of 25,000 operating hours in the field located solely 100 meters away from our Liebherr site in Bulle”, explains Alejandro Held, Sales Director Power Generation at Liebherr-Components AG. As a result, the engine shows excellent results in terms of durability and efficiency and is now ready for series production and sales. Read more about our particular collaboration with GESA and what experience and results have been gained thereof.

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