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calculation of tonnes per machine shift in mining

Hole 51 had 820 m of ore averaging 287 per cent of copper hole 137 had 350 m of ore averaging 118 per cent copper hole 4 had 1950 m of ore averaging 296 per cent copper and hole 134 had 2100 m of ore averaging 111 per cent copper

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  • How a focus on equipment performance productivity

    that could shift from median to best practice would increase annual output by 61 million tonnes and generate cost savings of between 150200 per tonne ie a return of 9 – 12 million per annum per machine Best practice may not be possible on all sites but apply this benefit to a substantial portion of a miners fleet and the

  • Example KPIs for the Mining Industry Updated for 2020

    Example KPIs for the Mining Industry Average bucket weight Average fuel use per machine Average loading time Average number of dumps per hourdayweekmonth Average number of loads per hourdayweekmonth Average payload Average swing time Cash operating costs per barrel of oil equivalent BOE Change time time between cycles Cycle

  • Cost Models of Theoretical Mining Operations CostMine

    This mine is an open pit mine producing 5000 tonnes ore and 5000 tonnes waste per day Rock characteristics for both ore and waste are typical of those of granite or porphyritic material Operating conditions wage scales and unit prices are typical for western US mining operations

  • Performance Measurement of Mining Equipments by

    OEE calculation for Shovel seven days per week In order to provide that every steps of equipment should be recorded so that time losses can be determined It is more appreciateable to use Performance Measurement of Mining Equipments by Utilizing OEE 98 Tab 3 Procedures for estimation of OEE Calendar timebased approach

  • Productivity in mining Ernst Young

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  • 3 CALCULATION OF MACHINE RATES

    In its simplest case if you rented a tractor with operator for 60 per hour including all fuel and other costs and you excavated 100 cubic meters per hour your unit cost for excavation would be 060 per cubic meter The hourly cost of the tractor with operator is called the machine rate

  • Machine Hours Rate Formula and Calculation With

    The Following estimates for operating a machine are relevant Power consumed is 15 units per hour 40 paise per unit Power is required for productive hours only setting up time is part of productive time but no power is required for setting up jobs The operator and supervisor are permanent

  • Chapter 8 BLAST DESIGN National Park Service

    Powder Factor Tons of rock or cubic yards per pounds of explosive Normal range 4 to 7 Shallow holes 1 to 2 External loads 3 Tons of Rock Powder Factor lbs of Explosives The higher the powder factor the lighter the load Lower powder factor means more explosives Example 15 tons PF of 625lbs BURDENSPACING CALCULATION

  • Equipment selection QueensMineDesignWiki

    EU can be expressed as the hours of service per year the tonnes of ore handled per year or most commonly the percentage of the available andor production time that a machine is operating An industry rule of thumb for new andor wellmaintained equipment is to

  • How a focus on equipment performance productivity

    that could shift from median to best practice would increase annual output by 61 million tonnes and generate cost savings of between 150200 per tonne ie a return of 9 – 12 million per annum per machine Best practice may not be possible on all sites but apply this benefit to a substantial portion of a miners fleet and the

  • Cost of Stoping for Underground Mining

    Expressed in another way the sorting cost per ton of runofmine ore is 195651 or 030 The cost of mining 1 ton of runofmine ore is 234 The cost of transporting ore from the mine to the mill on contract is 1 per ton The milling cost of runofmine ore is taken as 285 and the cost of milling the sorted product is 322 per ton

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    Definition Ton kilometre per hour TKPH is the measurement of the work load of a tyre and is based on the weight and speed that the tyre can handle without overheating and causing it to deteriorate prematurelyA TKPH rating for a tyre is the theoretical maximum workload it can take average weight on the tyre average speed of the truck OR more specifically tonnes kmh

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    how to calculate production onthejob or estimate production offthejob Machine performance is usually measured on an hourly basis in terms of machine productivity and machine owning and operating cost Optimum machine performance can be expressed as follows Lowest Possible Hourly Costs Lowest cost per ton Highest Possible

  • The impact of mining conditions on mechanized mining

    ultimately productivity which drives up the cost per ton of the operation A negative spinoff of poor mining conditions is an increase in accident damage on mechanized machines Therefore an increase in severity impacts on the machine cost per hour affecting the dealer and productivity decreases and increase in accident

  • Guidelines for Calculating Machine HOURLY RATE The

    Calculate the annual costs of these then divide by total labor or machine hours for the year This will be your overhead cost per hour Once the above costs are calculated you can use the formulas and guidelines below to arrive at either a “general” shop hourly rate or an hourly rate based on a specific piece of equipment

  • Mining Underground mining Britannica

    Mining Mining Underground mining When any ore body lies a considerable distance below the surface the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive and underground techniques must be considered Counting against underground mining are the costs which for each ton of material mined are much higher underground than on the

  • How to Calculate Overall Equipment Effectiveness A

    Basically OEE is about as the name says effectiveness it is the rate between what a machine theoretically could produce and what it actually did So the fastest way to calculate it is simple If you take the theoretical maximum speed for example 60 products per minute you know that at the end of a 480 minutes shift there should be 28800

  • Caterpillar Performance Handbook NHERI

    MACHINE PROTECTION A well trained operator working under suitable conditions utilizing a modern properlyequipped machine provides a machineoperator team capable of giving maximum production These factors along with appropriate job site rules and communication procedures are essential to coordinate people and machines working together

  • What Does the Grade of a Gold Mine Refer To

    Feb 07 2020 · Using the World Gold Councils gt standard many of the worlds highgrade gold mines are in the United States Russian and Peru The Fire Creek mine in

  • Calculate Molding Clamp Tonnage for Plastic Injection

    So at this point in our calculations a 200ton machine would be a good choice Keep in mind that we need to select the right clamp tonnage machine – too much can cause problems for the parts or machine Once we have this starting point for calculating the proper clamp tonnage other factors have to be considered

  • PDF Haul truck fuel consumption and CO2 emission

    CO2 CO HC NOx and particulate emissions as well as fuel consumption were calculated for three duty vehicles a small 35tonnes duty vehicle a 19tonnes truck and a 40tonnes semitrailer truck

  • Joy 4FCT Flexible Conveyor Train Underground Mining

    The 4FCT flexible conveyor train is a true continuous haulage system that eliminates haulagerelated bottlenecks and allows highproduction continuous miners to operator at their maximum capacity The increased production and efficiencies the 4FCT lends to continuous miner section of the operation improves the costperton performance of the

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