Abstract

This paper introduces the lean production management mode of coal, and discusses the problems existing in the mining of XZ coal mine area iii based on the actual cases. Part of working procedures of fully mechanized mining face in the third mining area are analyzed, improvement plans are put forward, and the four principles of 5W1H questioning method and ECRS are applied for process improvement. By carrying out lean management of coal mine, reasonably matching personnel, reducing waste of time and resources, and reducing invalid labor time, the utilization rate of equipment can be improved to achieve the improvement purpose of 4M1E.)

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