Abstract
Diagnosing of equipment before actual failure and reduced total ownership cost of excavator (TOC) is a significant issue for the mining and civil construction industries to unavoidably consider. Consequences of prolonged project execution time and extra cost due to sudden breakdowns are better minimized by studying the reliability of the equipment and having knowledge of life cycle cost model which was used in this research to ascertain the economic replacement time and cost of an excavator. Results from life cycle cost analysis carried out on an excavator show that the replacement time and total ownership cost of excavator 320C from 2010 to 2017 is 8 years and N10, 214 respectively.
Highlights
IntroductionAn important equipment commonly used for various projects in the mining and construction industries is the excavator
For every mining and construction company that owns or hires equipment for business purposes, it is very crucial to regularly monitor and analyze the reliability of their equipment to enable them increase productivity, favorably feature in the ever increasing competition and improve on their profit margins biannually or annually.An important equipment commonly used for various projects in the mining and construction industries is the excavator
According to Qing and Hongqin [3], maintenance is primarily provided for the purpose of reducing failure by replacement, repair or servicing in order to achieve the economic utilization of the construction equipment during its work life
Summary
An important equipment commonly used for various projects in the mining and construction industries is the excavator. The excavator is an important heavy duty equipment in the mining and civil construction industry, which is primarily used for digging, loading and dumping Xiangyu et al [1]. It moves on wheel or track and consists of boom, stick and bucket that are driven by their corresponding hydraulic actuators. According to Qing and Hongqin [3], maintenance is primarily provided for the purpose of reducing failure by replacement, repair or servicing in order to achieve the economic utilization of the construction equipment during its work life. Reliability analysis is important in order to identify the equipment weakness and quantify the impact
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