Austin Engineering releases two-piece excavator bucket

Extensive computer modelling and site testing have been the two key players in the development of a new two-piece excavator bucket by Austin Engineering.

Working with the world’s top miners and original equipment manufacturers to engineer customised solutions to mining challenges, Austin Engineering’s engineered solutions provide the lowest cost per tonne, maximising profitability while remaining at the forefront of engineering by continually reviewing designs to take advantage of advances in technology.

Its innovative two-piece excavator bucket is a prime example. Designed and manufactured in Australia, the bucket assembly features well-defined reusable upper and consumable lower structures, designed for quick and safe bucket change-outs during scheduled maintenance intervals.

Structurally verified for the nominated fatigue life utilising ANSYS FEA software and EDEM simulation, the new bucket assembly has been verified to achieve the theoretical target payload at the nominated fill factor, while the upper and lower sections of the new bucket are fabricated with combinations of high-strength steel for maximum fatigue resistance and durability.

The reusable upper section has been constructed to maintain overall structural integrity of the bucket assembly for a predetermined service life through multiple change-outs of the lower, consumable section.

A typical baseline service life for the upper section will be in the vicinity of 30,000 hours – around four to five years based on industry expectations of conventional one-piece buckets of similar size and capacities.

Designed to be minesite and application specific, the upper section offers scope for customisation and benefits proportionate to minimising costs over the assembly’s operational life.

Available as fully lined or liner-less, the consumable lower section features a simplified design to decrease the change-out time of a complete lower section or the removal and replacement of worn individual components.

For fully liner-less lower bucket assemblies, the resulting structure utilises alternative high strength and wear-resistant materials in key areas along with increased thickness of identified structural components.

Components subject to high wear and impact, such as the main shell and side plates, are designed as modular inserts which can be customised to customer-specific operations. These can be easily removed and replaced if required ahead of planned change-out.

Replaced lower sections provide an option for remanufacturing and can be returned to site for storage and direct replacement as required.

Austin Engineering will be showcasing footage and information about its products in action at Austmine 2019.

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