3. CALCULATION OF MACHINE RATES
Examples of machine rates for a power saw, a tractor, a team of oxen, and a truck are in the following tables. Although the machine rates in Tables 3.5 to 3.8 share the same general format, there is flexibility to represent costs that are specific to the machine type, particularly in the calculation of the operating costs.MINING AND EARTHMOVING HOLT CAT Machines & ,how to calculate production on-the-job or estimate production off-the-job. 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
Loading and Hauling
Factor 1 Earthmovinggy p Cycle Components zThe productivity cycle may be separated into six (6) Components: 1. Haul or Push 2. Dump 3. Return 4. Spot 5. Delay Load Factor z Size and type pf loading machine z Type & condition of material to be loaded z Capacity of unit z Skill of the loading operator Return Factors• •Performance ability of unit •Return distanceMaking the grade: understanding exploration MINING.COM,Mar 24, 2017· As a rule of thumb, open pit mining can process ore for $10 per tonne and, where the ore grade is more than double that at $20 per tonne, results would be economic. Consider that 1% of a metric
Mineral Deposit Value How to Calculate the Potential
Before you can calculate the potential mineral deposit value, you first need to gather some specific data regarding the ore body and the individual drill results.. This required data can be found in the mining company’s press releases in which they announce their drill results.Make sure that this data is announced according to the guidelines of National Instrument 43-101 (i.e. (PDF) DETERMINATION OF SHOVEL -TRUCK PRODUCTIVITIES IN,A variety of mining equipment is used in the mining of oil sands by surface mining. This includes bucket wheel excavators, draglines, hydraulic shovels and off-highway trucks.
Cat Fuel-Efficiency Calculation
Make sure all operators are properly trained on each machine so they know how to optimize the relationship between ground speed, gear and engine rpm. Studies have shown 5 15% fuel efficiency gains at 75% power and 15 30% efficiency gains at 50% power.Rate Analysis of Excavation in Earthwork -Calculate,Different mechanical equipment have different capacity per day for excavation work. Their coefficient per m 3 or per 10m 3 should be considered for calculation. Read More: Rate Analysis of Civil Works -Elements and Requirements. Rate Analysis of Plastering with Cement Mortar -Quantity Calculation. Rate Analysis for Cement Mortar
How a focus on equipment performance productivity returns
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 not be possible on all sites, but apply this benefit to a substantial portion of a miners fleet and theChapter 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: 1.5 tons = PF of 6.25lbs BURDEN-SPACING CALCULATION
In Depth #1: TKPH Precision Mining Support Portal
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 prematurely.A 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 * km/h).The impact of mining conditions on mechanized mining,ultimately productivity, which drives up the cost per ton of the operation. A negative spin-off 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
(PDF) DETERMINATION OF SHOVEL -TRUCK PRODUCTIVITIES
A variety of mining equipment is used in the mining of oil sands by surface mining. This includes bucket wheel excavators, draglines, hydraulic shovels and off-highway trucks.Double Unit Supersections as a Means of Reducing Cost Per,Jan 01, 1987· It should be noted that the production level of section 3A increased from 384 to 421 tons per shift, a result of retreat mining with full pillaring during several months of production. Labor Cost The consolidation of the regular continuous miner sections into a double unit supersection resulted in a lower labor cost per ton of coal mined.
Rate Analysis of Excavation in Earthwork -Calculate
Different mechanical equipment have different capacity per day for excavation work. Their coefficient per m 3 or per 10m 3 should be considered for calculation. Read More: Rate Analysis of Civil Works -Elements and Requirements. Rate Analysis of Plastering with Cement Mortar -Quantity Calculation. Rate Analysis for Cement Mortar3 STUDIES ON AVAILABILITY AND UTILISATION OF MINING,under consideration, the equipment are planned to work for two shifts of six hours each. So the scheduled shift hours are 12 hours per day. 2.3. Machine Available Hours (MAH) This means the number of hours, out of schedule shift hours; a machine is available for work at a face. The maintenance programme dictates it.
Underground Mining Transportation & Haulage Systems
Table of ContentsTransportation of Ore and WasteTramming and HaulingHand TrammingAnimal HaulageTon-Miles Obtained Under Varying ConditionsMechanical HaulageLocomotive HaulageTramming and Haulage CostsScrapingConveyor Systems Transportation of Ore and Waste For the purpose of this discussion, “transportation” signifies the operations involved in transporting ore How to Calculate Availability of Machinery Bizfluent,Sep 26, 2017· Calculate availability of machinery as one component of overall machinery productivity performance. Establish the total available hours for the machine. 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.
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.How to Calculate Production Capacity of a Factory?,Sep 10, 2018· The number of machines can be fixed, and one machine can be used for making one product at a time. In such a scenario, don't fix/show the factory capacity in pieces. You can keep your machine capacity in hours per day, as it will remain the same. Calculate the production capacity for the current orders current styles only or for the upcoming
MINING & EARTHMOVING Hawthorne Cat
to determine machine productivity. It shows how to calculate production on-the-job or estimate produc tion off-the-job. Machine performance is usually measured on an hourly basis in terms of machine productivity and machine own-ing and operating cost. Optimum machine performance can be expressed as follows: Lowest cost per ton = Lowest PossibleHow 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 28,800
Overview: Classic Calculation Routines
Jul 31, 2020· Helps calculate Production per machine, Number of machines needed, and Hours needed for a haul. (Hours/Shift) Scraper, Two Types. Helps calculate Total Hours needed for a scraper task by analyzing production speeds, times, and loads the scraper can handle. Helps calculate Price/Volume (unit price per ton, cubic yard, or piece) neededIn Depth #1: TKPH Precision Mining Support Portal,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 prematurely.A 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 * km/h).
3 STUDIES ON AVAILABILITY AND UTILISATION OF MINING
under consideration, the equipment are planned to work for two shifts of six hours each. So the scheduled shift hours are 12 hours per day. 2.3. Machine Available Hours (MAH) This means the number of hours, out of schedule shift hours; a machine is available for work at a face. The maintenance programme dictates it.Double Unit Supersections as a Means of Reducing Cost Per,Jan 01, 1987· It should be noted that the production level of section 3A increased from 384 to 421 tons per shift, a result of retreat mining with full pillaring during several months of production. Labor Cost The consolidation of the regular continuous miner sections into a double unit supersection resulted in a lower labor cost per ton of coal mined.
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 28,800Guidelines 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.
How to Calculate Production Capacity of a Factory?
Sep 10, 2018· The number of machines can be fixed, and one machine can be used for making one product at a time. In such a scenario, don't fix/show the factory capacity in pieces. You can keep your machine capacity in hours per day, as it will remain the same. Calculate the production capacity for the current orders current styles only or for the upcomingHow to Calculate Availability of Machinery Bizfluent,Sep 26, 2017· Calculate availability of machinery as one component of overall machinery productivity performance. Establish the total available hours for the machine. 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.
Overview of Mining Costs Gold Convention
mining materials, equipment, reagents, structural steel, and everything else that goes into running a mine. The second set of factors relate to the price of the underlying metal of the mine. • higher metal prices encourage mining lower grade properties driving higher the cash cost curve • the price of the metal also influences input costsExcavation calculator: cost and volume JustCalc,This is the free online excavation calculator, intended to define and estimate the planned volume of the earthwork of the construction pit carried out for the foundation of a house or another building, French drain of a villa, trench needed to establish the sewage system of a house, swimming pool, reservoir, for water supply piping and other.
analyses of diesel use for Mine Haul and transport operations
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 was undertaken, Fortescue was predominantly using Caterpillar 777 and Terex 3700 haul trucksDesign of Surface Mine Haulage Roads A Manual,Mining Trucks. Pres. at Earthmoving Industry Conf., Central Illinois Sec., SAE, Warrendale, Pa. Apr. 15 16, 1975, 33 pp.) This organization has conducted more than 1,000 haulage truck stopping distance tests at active mine sites in British Columbia. The variety of truck makes and models included in the testing program present a representative brake
Calculation of Floor Load Rating required for heavy machine
Machines is approximately 2.4 x 3.6 meters or a total of 8.64 square meters. Assuming that the entire base is available and there are no leveling pads then the force exerted on the floor is 125KNewtons (assuming that the weigh not given in metric tonnes) so the total force imposed by the machine when not working is approximately 14.4 kN/m^2.Calculation of production costs in Excel,The production cost calculation of production is the determination of costs in terms of money per unit of goods, works or services. The calculation includes direct and indirect costs. Direct is the cost of materials, wages of workers, etc. Indirect costs: planned profit, transportation, etc. We will not consider calculating articles in detail.