2017/05/25· Machine downtime = 60 minutes per shift Total = 180 minutes lost time This means we lost 180 minutes and there are only 300 minutes left to be effective. Even if we run the rest of the time at full speed with no quality losses, we ...
Example KPIs for the Mining Industry Average bucket weight Average fuel use per machine Average loading time Average number of dumps per hour/day/week/month Average number of loads per hour/day/week/month Average payload
A 10% safety factor should be added, so a final injection mold clamp force of 198 tons is needed. So at this point in our calculations, a 200-ton machine would be a good choice. Keep in mind that we need to select the right clamp
mining at the rate of 55 million tonnes per annum. With further planned expansions at the Solomon deposits, Fortescue's production is planned to increase to 155 million tonnes per annum by 2013. When the assessment in these ...
Overview of Mining Costs 24 August 2012 30 Broad Street, 37 th Floor New York, NY 10004 Rohit Savant Senior Commodity Analyst [email protected] Outline 1. Factors Influencing Cash Costs 2. Major
2015/05/13· Calculation of Machine Hour Rate: For the purpose of computing the machine hour rate, each machine (or a group of similar machines) becomes a cost centre and all overheads are charged to a machine cost centre or to different machine cost centres if many such centres have been created within the department.
Loading density Hole Diameter Kg of explosive per meter of column for given density (g/cm 3)* Hole Diameter mm in mm in 270 10 0.60 0.80 0.82 0.85 0.90 0.95 diameter 1.00 P 1.05 1.10 1.15 1.20 1.30 multiply 1.35 1.40 25 1 0.29 0 ...
ESTIMATION OF CAPITAL COSTS FOR ESTABLISHING COAL MINES IN SOUTH AFRICA Moshe Mohutsiwa A research report submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, in
tonnes 18,720,000 Hours per shift 10 Shifts per day 2 Days per year 312 Bench height - Ore meters 4.60 Bench height - Waste ...
This can be represented by the total number of hours the machinery can be used in a day or shift-- normally 8, 10 or 12 hours. row of round clocks on the wall image by Elnur from Fotolia.com Total the number of hours the machine is not available for use within that day or shift.
1 BLASTING IN SURFACE EXCAVATION Any blast optimisation programme calls for a clear understanding of the effects of principal blast parameters and their careful application. The degree of fragmentation of rock depends on: a.
2014/10/22· Production Per Hour Calculation Using Microsoft Excel Tutorials. How to Calculate the Productivity using Microsoft Excel. MS Excel Tutorials, Microsoft Excel Tutorials, Basic Tutorials of Excel ...
However if process availability was improved to 65%, then 4.21 million tonnes per Annum would be achieved, with a probable increase in revenue of say $18 Million dollars, whilst similarly if the average TPH was increased to 1,770 TPH,
2011/01/31· It refers to the extent that you are using a machine efficiently and it can be found by the formula as follows U=(t*AP)/h where U=machine utilization t=machining time for one component AP=actual ...
Labor productivity in the mining industry has been declining rapidly around the world. In the US coal sector, for example, labor productivity declined by an average of 27.5% from 2009 to 2012. If we remove the Illinois Basin, the only
2009/10/15· The cost of coal consumed by 100 MW power plant is (53.8 x 65) 3497 $ /hr A 100 MW unit produces 100,000 units of electricity. So the cost of coal per unit of electricity is (3497/100,000) 3.5 cents per unit.
2017/03/19· Now 0.095 per cent, represents 1.92 lb. of copper per ton and 0.609 per cent, represents 12.2 lb. of copper per ton. As a further check on the method, the trapezoid was calculated as one mass using the standard method as well as the method outlined; these results also are shown in the table of calculations.
Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 0.6–1.0 m (2 ft 0 in–3 ft 3 in) thick). The longwall panel (the block of coal that is being mined) is typically 3–4 km (1.9–2.5 mi) long and 250–400 m (820–1,310 ft) wide.
Mining Cost Model 5,000 Tonne per Day Open Pit Mine Model. This mine is an open pit mine producing 5,000 tonnes ore and 5,000 tonnes waste per day. The total resource to be mined is 18,715,000 tonnes. Ore is hauled 1,068 ...
Acta Montanistica Slovaca Ročník 15 (2010), číslo 2, 95-101 95 Performance Measurement of Mining Equipments by Utilizing OEE Sermin Elevli1 and Birol Elevli2 Over the past century, open pit mines have steadily increased
that could shift from median to best practice would increase annual output by 6.1 million tonnes and generate cost savings of between $1.50-2.00 per tonne. (ie a return of $9 – 12 million per annum per machine). Best practice may
gate producers usually work in weight (tons or tonnes). MINING AND EARTHMOVING Edition 40 22-1 22 Volume Measure — Material volume is defined according to its state in the earthmoving process. The three measures of ...
The calculation of the animal rate is similar to the machine rate, but the types of costs differ and merit additional discussion. The fixed cost includes the investment cost of the animal or team, harness, yoke, cart, logging chains and any other investments with a life more than one year.