LMS simulation helps to design T282B mining truck
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LMS International product story
Edited by the Engineeringtalk editorial team
Nov 11, 2008
LMS multibody dynamics played a critical role in developing Liebherr Mining Equipment's T282B, which is claimed to be the world's largest diesel-electric mining truck.
Liebherr used LMS multibody and durability technology to build a vehicle to withstand harsh mining conditions while providing maximum load capacity.
The T282B is 12 per cent lighter than other comparable mining trucks and features the lowest operating costs per loaded tonne.
Dr Vladimir Pokras, simulation manager for Liebherr Mining, said: 'At many of these mines, operators drive as fast as they can over refrigerator-size boulders and holes as big as bathtubs to haul as many loads as possible.' Engineers at Liebherr needed to integrate advanced features such as the differential wheel control system into a lightweight yet durable diesel-electric truck.
To do this, the team at Liebherr relied on LMS multibody dynamics technology for full-vehicle simulations to study the truck's behaviour on various terrains with a variety of load examples, including acceleration, braking, turns, bumps, holes, washboarding, up and down steep grades and backing into barriers.
Dr Pokras added: 'LMS multibody dynamics serves as a central point where all the designs of individual major components and subsystems come together into a single unified full-vehicle model.' After a number of simulation iterations, multibody loads for the final design were entered into LMS durability software to determine the fatigue life of the critical structural components and assemblies such as the frame and axle box.
Tight integration between LMS multibody and durability software enabled fatigue life studies to be performed quickly and accurately, providing engineers with feedback for developing lightweight parts to withstand expected operational loads without under or over-designing them.
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