Magnetics Business & Technology - July/August 2020 - 14

FEATURE ARTICLE

Electric Steering Saves Energy in New Sideloaders from Hubtex

Switching to electric steering motors from hydraulic versions is realizing significant energy savings for end users of new PhoeniX
multidirectional sideloaders made by Hubtex of Germany.

power of 1.2 kW. In comparison to a truck with hydraulic steering
motors we have to provide a considerably higher power of 4 kW to
achieve the same vehicle performance in the end."

"The electric steering motors in our patented HX steering system
only work when actual steering movements take place," explains
Hans-Joachim Finger, Managing Director Sales at Hubtex. "When
the axle is not moving, it means zero energy consumption." With
hydraulic steering systems, on the other hand, the pump must remain in constant operation in order to supply the oil pressure for
upcoming driving maneuvers.
By using electric steering, it is possible to reduce energy consumption by up to 85% in comparison with a standard hydraulic
steering system. Based on the steering system's proportion of the
vehicle's total energy consumption, this results in peak savings of
up to 33%. In addition, electric steering systems are virtually silent
unlike their hydraulic counterparts.
According to Michael Roebig, product manager, the electric steering behaves much more directly compared to the hydraulic steering system as no valves need to be switched, and system is more
precise. By using an electric steering motor instead of a hydraulic
oil motor, the higher price of the electric motors is approximately
balanced out by the higher installation effort of a hydraulic solution.
"We use synchronous motors which differ in power depending on
the size of the vehicle," noted Roebig. "For example, we use in a
Phoenix with a load capacity up to 5t four steering motors with a

14

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Magnetics Business & Technology - July/August 2020
Editor’s Choice/ Features
Norwegian Electric Systems Electrifies Work Ships & Ferries for Rugged Northern Seas
Goudsmit Develops Steel Sheet Separator with Fail-Safe Magnet & Assists Hyperloop Project in Netherlands
Development of a High-Field, Non-Insulated, High Temperature Superconducting Magnet for Fusion Research and Other Applications
Research & Development
Product News
Industry News
Events Calendar/ Advertising Index
Penn State Scientists Develop a New Mechanism to Harvest Stray Magnetic Fields
Visions
Magnetics Business & Technology - July/August 2020 - Magnetics Business & Technology - July/August 2020
Magnetics Business & Technology - July/August 2020 - Cover2
Magnetics Business & Technology - July/August 2020 - 3
Magnetics Business & Technology - July/August 2020 - Editor’s Choice/ Features
Magnetics Business & Technology - July/August 2020 - 5
Magnetics Business & Technology - July/August 2020 - Norwegian Electric Systems Electrifies Work Ships & Ferries for Rugged Northern Seas
Magnetics Business & Technology - July/August 2020 - 7
Magnetics Business & Technology - July/August 2020 - Goudsmit Develops Steel Sheet Separator with Fail-Safe Magnet & Assists Hyperloop Project in Netherlands
Magnetics Business & Technology - July/August 2020 - 9
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Magnetics Business & Technology - July/August 2020 - Research & Development
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Magnetics Business & Technology - July/August 2020 - Product News
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Magnetics Business & Technology - July/August 2020 - Industry News
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Magnetics Business & Technology - July/August 2020 - Events Calendar/ Advertising Index
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Magnetics Business & Technology - July/August 2020 - Visions
Magnetics Business & Technology - July/August 2020 - Cover3
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