Purpose. To substantiate a rational schedule for the combined dragline-truck operation taking into consideration coefficient of mining in context pit. Methodology. Mathematical and graphical modeling was involved while determining concentration pit as well feasibility analysis to select procedure scheme dragline operation. Findings. Recommendations selection operation, truck loading Motronivsko...

In this paper, we investigate two dimensional leased contracts for a dump truck operated in a mining industry. To keep the truck in a good operational condition, an imperfect preventive maintenance (PM) policy is applied. When the truck fails then corrective maintenance (CM) is done. PM and/or CM can be leased to an external agent or a lessor for an economic reason. The situation under study is...

tahun kegiatan tersebut menyumbang 50% kecelakaan pada aktivitas pertambangan, truk angkut adalah yang paling umum terjadi dengan perbandingan 6 banding 28 di 2017 dan 27 2018. Kecelakaan dapat disebabkan oleh beberapa faktor, salah satunya yaitu hilangnya kesadaran situasional atau kehilangan kendali sehingga menyebabkan unit tidak terkontrol bisa mengakibatkan tabrakan antar unit, karena itu ...

The supply of raw materials is a very important thing in industrial management. Inventory can affect the level productivity manufacturing process. This study aims to determine optimal amount inventory for fuel filter on dump truck. In this study, data used secondary data, namely from company records 6 months. analysis method safety stock and reorder point. Based results research analysis, upper...