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Liebherr Excavators
Group: Liebherr
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From a single source, flexible and individual Electric Travel Drive Systems
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Electric travel drive systems from Liebherr The Liebherr product portfolio contains all the components required for an electric travel drive system and the company can now supply complete solutions to the market. The components are perfectly tailored to each other in terms of their function. This means that we can create complete system solutions which can be integrated in a wide range of applications. Electric Travel Drive Systems
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Bespoke system solutions More benefits through systems With its electric travel drive series (eFAT), Liebherr supports the full electrification of semi-mobile track-based machinery. Four gearbox sizes from the eFAT 325 to the eFAT 500 are available with electric drives. In addition to its standard series, Liebherr also supplies bespoke solutions to suit special requirements. Liebherr drive controllers in the frequency converters together with the permanent magnet motors and travel drives manufactured in-house achieve excellent performance and handling. Benefits By converting from a...
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Gearbox • Sizes from FAT 325 to FAT 500 • Tested sealing system for rugged conditions • Driven by electric motor • Bespoke design of gearbox size Electric motor • High torque values • Compact design • High protection class • Convection cooling • Holding brake 4 Electric Travel Drive Systems
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Frequency converter • Smart drive control with high control quality • Integrated brake actuation • Simple integration and commissioning • Compact Control cabinet • Designed to suit the application • Compact design • Ready for connection Electric Travel Drive
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Select the size of the electric travel drive Electric Travel Drive Systems
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eFAT selection The selection of the eFAT is made on the basis of the maximum required traction and the maximum travel speed. The maximum traction may be used for a short time. This only occurs in situations such as turning on the spot or travelling around tight curves. The unit can drive at maximum speed permanently on the level and on slight gradients. Electric drive technology The motors are designed to supply maximum power and maximum torque for one hour of non-stop operation. The frequency converters are designed and sized to suit the requirements. * See page 11 for details of frequency...
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Dimensions eFAT type Motor type Gearbox size steel width Motor dimensions 8 Electric Travel Drive Systems
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Gearbox dimensionsra Crawler track assemblies Connection dimensions for the sprocket wheel Connection dimensions for the crawler ' assemblies Electric Travel Drive Systems 9
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Switchgears and frequency converter Electric Travel Drive Systems
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Switchgears Starting with project management, design and programming the programmable logic controllers and visualisation systems to production, commissioning and service, Liebherr creates complete, smart system solutions. Its wide-ranging practical expertise enables Liebherr to create precision control cabinet and controller solutions which prove their worth time and again by offering maximum reliability in applications with extremely adverse ambient conditions. Liebherr is extremely familiar with national requirements on switchgears and ensures compliance with the regulations in terms of...
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Comments / Additional requirements Electric Travel Drive Systems 12
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Examples of use Under carriage Electric travel drive systems from Liebherr are configured and modified using our standard components to suit the customer application. Our electric travel drive systems are reliable solutions for both an application weight of 20 up to and including 100 tonnes. Applications include crushers, screening systems, compact bucket excavators and under carriages. Compact bucket excavator Electric Travel Drive Systems
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Liebherr Components Large diameter bearings Human machine interfaces Diesel engines Fuel injection systems Control electronics Axial piston hydraulics Electric machines Power electronics From A to Z – the components division of the Liebherr Group offers a broad range of solutions in the area of mechanical, hydraulic, electric and electronic drive system and control technology. The efficient components and systems are produced at a total of ten production sites around the world to the highest standards of quality. Central contact persons for all product lines are available Control cabinets...
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