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Mining Excavators

Article Teaser - 2023 06 26 liebherr 01 teaser

Market introduction of the 250-tonne Liebherr R 9300 Mining Excavator

Colmar, France – The R 9300 Generation 8 – the newest excavator in the Liebherr Mining range – can now be purchased. Following successful validation at a mine in Indonesia, the R 9300 has proven its ability to improve both productivity and efficiency on site. Once the machine enters serial production in 2024, it…read more

Articles

bulk solids handling Journal

Article Teaser - bsh archiv teaser

Technical Article

Output and Availability Factors of Bucket Wheel Excavators under Actual Mining Conditions

The author defines the term "theoretical output" [bm³/h] as basic value for the assessment of the short and long time effective output [bm³/h] of bucket wheel excavators. Approximately 40 bucket wheel excavators operating in over burden on four continents, are analyzed on the…read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

Reclaiming Gold and Uranium in South Africa

Bucket wheel excavators coupled with mobile conveyor systems are used almost exclusively in open-pit operations for removing overburden and mining minerals. The purpose of this article is to describe the technically and economically successful application in a new field, viz. reclaiming sli…read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

Technical Article

The Development of Bucket Wheel Excavators During the Last Fifty Years

This article reviews the important development steps in the manufacture of bucket wheel excavators during the past 50 years. New developments and technical improvements in the areas of crawler drives, slewing gear, the bucket wheel, and the conveyor belt of the wheel boom are presented in detail. A …read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

New Developments in Continuous Mining and Materials Handling

Bulk mining and handling technologies have been affected in two ways by the soaring cost of oil and oil products in recent years. Firstly, the substitution of oil by coal, oil sands and oil shale demands the development of high-capacity mining and handling equipment and secondly, the rising fue…read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

A New Bucket Wheel Excavator Complex for the Goonyella Mine

A bucket wheel excavator – conveyor system – spreader complex will be put into operation in Australia for the first time in particularly difficult winning conditions. These difficulties were taken into account by the exceptional stipulations laid down for the layout of the machines. The complex …read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

Basic Design of the Bucket Wheel Excavator for the Goonyella Mine

Overburden stripping at Goonyella Mine has already reached the stage where drag lines alone cannot handle the depth or achieve the production targets required without the aid of additional (pre-stripping) equipment. Currently, a fleet of twelve scrapers is being used for this purpose but long term p…read more

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