用对数离散图分析卡车停机时间

V. Temeng, P. Eshun
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引用次数: 0

摘要

越来越明显的是,改善设备的可用性是提高矿山投资回报的关键。维护良好的设备是安全可靠的,可以保护操作人员和设备。计划外停机与这种维护功能相冲突,并因各种原因导致矿山成本增加。为了尽量减少意外停机的发生,数据应以合乎逻辑和易于理解的格式记录,以加强管理决策。本文使用对数离散图分析了来自赞比亚Nchanga露天矿的22辆自卸卡车在两个月内的停机时间。停机时间按故障代码分类,以确定哪些是急性、慢性或两者兼而有之。对减少计划外停机时间和提高卡车性能至关重要的故障代码被优先考虑。
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Analysis of Truck Downtimes Using Log Dispersion Plot
It is becoming increasingly clear that improved equipment availability is a key to optimising return on mine investment. Well-maintained equipment is safe and provides reliability to protect the operator as well as the equipment. Unplanned downtimes conflict with this maintenance function and result in costs to a mine in various causes. To minimise the occurrence of unplanned downtime, data should be recorded in logical and easily understood format which will enhance management decision making. This paper uses log dispersion plot to analyse downtimes of a fleet of 22 dump trucks from the Nchanga Open Pit, Zambia over a period of two months. Downtimes were categorised into breakdown codes to determine which ones were acute, chronic or a combination of both. The breakdown codes which were critical to the reduction of unplanned downtime and improvement of truck performance were prioritise.
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