The Operation of Bucket Wheel Excavators When Encountering Inclusions with Excessive Mining Resistance

András, József and Kovács, József (2018) The Operation of Bucket Wheel Excavators When Encountering Inclusions with Excessive Mining Resistance. Papers on Technical Science, 8. pp. 15-20. ISSN 2601-5773

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Abstract

The Bucket Wheel Excavator (BWE) is the main piece of harvesting equipment used in open-pit lig-nite or brown coal open-pit mines worldwide. Despite the continuous increase in size, productivity and technical sophistication in recent decades, they have not adapted to the changes of operating environ-ment. In this respect, the increasingly frequent occurrence of hard inclusions – in terms of layers, boulders and other forms – has revealed a consistent failure of BWE-s to meet this challenge. This paper, inspired by the research project RFCR-CT-2015-00003-BEWEXMIN „Bucket wheel excava-tors operating under difficult mining conditions including un-mineable inclusions and geological struc-tures with excessive mining resistance” deals with preliminary considerations and results that aim to contribute to solving this problem.

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