Formula For Down Hours On Mining Equipment

Performance Measurement of Mining Equipments by Utilizing

Acta Montanistica Slovaca Ročník 15 (2010), číslo 2, 95-101 95 Performance Measurement of Mining Equipments by Utilizing OEE Sermin Elevli1 and Birol Elevli2

Standardization of Definitions for Benchmarking - Mining

Availability formulas generally represented a ratio of equipment hours available to the operation, to total hours While there appeared to be consensus on the definitions of availability, inconsistencies in the allocation of events to time classifications diminished the validity of …

Cost Models of Theoretical Mining Operations | CostMine

Each of the models is developed from first principles based on typical mining criteria for rock densities, swell factors, drill penetration rates, etc Industry-standard estimating methods are used for equipment selection, personnel allocation, and cost estimation These models are invaluable for early order- of-magnitude estimates

Equipment Utilization Metrics - Ombu Enterprises LLC

Equipment Utilization Metrics Page 4 of 4 The total equipment effectiveness for the shift is the product of the availability, the performance rate, and the quality rate 0854 × 08 × 0975 = 0668 or 668% For the shift, the equipment achieves about 668% of the operation time

3 STUDIES ON AVAILABILITY AND UTILISATION OF MINING

The production performance of mining equipment depends on its availability and utilization Hence it is necessary to determine the percentage availability and utilization of machinery with an aim to improve the same Different mines are following different terms and maintaining different information The only common information in most of the mines is the working hours of shovels There is a

3 CALCULATION OF MACHINE RATES - Home | stone and

For equipment that works very few hours per day, the derived equipment lives may be very long and local conditions should be checked for the reasonableness of the estimate This is defined as the price that equipment can be sold for at the time of its disposal

How to Calculate Overall Equipment Effectiveness: A

02082013 · If your machine or system is capable of making 100 quality products an hour, and it makes only 70, then it is 70% effective, but we do not know how efficient it was, because nothing is said about what we had to put in (how many operators, energy, materials, etc) to get the 70% effectiveness

Standardizing Availability Definition - plant-maintenance

equipment itself, the process being performed, and the surrounding facilities and operations It has various meanings and ways of being computed depending upon its use

Equipment Lifecycle Cost Calculator - AccTech Systems

The Equipment Life Cycle Cost Calculator breaks equipment costs into four broad categories Ownership, Maintenance, Consumables and Operator Ownership, Maintenance, Consumables and Operator You should enter your own costs (or those provided by your equipment supplier) in the cells provided to calculate the life cycle owning and operating cost

OEE Calculation | Overall Equipment Effectiveness Calculation

OEE Calculation 3 Availability, Performance and Quality Assume Machine A is a single product machine and is theoretically capable of producing 1,000 units every hour

How to Calculate Overall Equipment Effectiveness: A

02082013 · If your machine or system is capable of making 100 quality products an hour, and it makes only 70, then it is 70% effective, but we do not know how efficient it was, because nothing is said about what we had to put in (how many operators, energy, materials, etc) to get the 70% effectiveness

Equipment Lifecycle Cost Calculator - AccTech Systems

The Equipment Life Cycle Cost Calculator breaks equipment costs into four broad categories Ownership, Maintenance, Consumables and Operator Ownership, Maintenance, Consumables and Operator You should enter your own costs (or those provided by your equipment supplier) in the cells provided to calculate the life cycle owning and operating cost

OEE Calculation | Overall Equipment Effectiveness Calculation

theoretically capable of producing 1,000 units every hour In a 16 hour scheduled production day (eg 2 x 8 hour shifts) Machine A could theoretically produce 16,000 good units On a particular day the equipment/process recorded downtime of 2 hours (eg equipment breakdown, waiting on materials etc)

Maintenance Management KPI’s

Definition: “Equipment Utilization” measures the percentage of time a piece of equipment is actually operationally in a 24 hour day, for a given period of time The performance measurement is the productive time expressed as a percentage of the total time available

OPTIMIZATION OF LOAD HAUL DUMP MINING SYSTEM BY OEE …

optimization of the equipment combination by matching factor used (Ercelebi and Basceti, 2009) Truck-shovel cycle optimizations are commonly performed to increase productivity (Figure 1), reduce costs and generally improve the profitability of the mobile assets at the mine

Process Equipment Cost Estimating by Ratio and Proportion

known cost of a piece of equipment is based on, for instance 1998 prices, this cost must be multiplied by the ratio of the present day index to the 1998 base index in …

Caterpillar Performance Handbook - hawthornecat

of hours on the machine at the time of sale or trade, the type of stone and operating conditions in which it worked, and the physical condition of the machine

Mine maintenance - the cost of operation

Equipment reliability means eff~~tive maintenance Maintenance costs in the mining Maintenance costs in the mining industries are commonly between 30% -50% of minesite totaJ opeJrating costs

New to Mining? Here are the Most Common Types of Mining

Accelerating Science Advancing Mining / General/Industry / New to the Mining Industry? Make Sure You Know the Most Common Types of Mining Equipment New to the Mining Industry? Make Sure You Know the Most Common Types of Mining Equipment By Marlene Gasdia-Cochrane, Editor 12212015 Working in the mining industry can be a dangerous place if you don’t know what you’re doing Regular

Maintenance Cost and Estimated Replacement Value - Idcon

Maintenance Cost and Estimated Replacement Value by Torbjörn Idhammar Yesterday you were a happy camper Today you are told your Maintenance Cost (MC) as a percent of your Estimated Replacement Value (ERV) is 49%

Caterpillar Performance Handbook - hawthornecat

of hours on the machine at the time of sale or trade, the type of stone and operating conditions in which it worked, and the physical condition of the machine

OPTIMIZATION OF LOAD HAUL DUMP MINING SYSTEM BY OEE …

Mining is a very capital-intensive industry, and it is known fact that the equipment utilization and accurate estimation is very important Presently in India 70-80% production of minerals comes from the surface mines In a surface mining operation, materials handling system is composed of loading, hauling and dumping Shovel-truck systems are most common in open pit mining

How to Calculate Man Hours: 11 Steps (with Pictures) - wikiHow

12062018 · (1000 project hours / 20 work days in the month = 50 hours per day; 50 hours per day / 8 hours per worker = 625 laborers needed) [2] Round the number of laborers up or down to a whole number, and adjust accordingly the number of workdays required

Mine maintenance - the cost of operation

Equipment reliability means eff~~tive maintenance Maintenance costs in the mining Maintenance costs in the mining industries are commonly between 30% -50% of minesite totaJ opeJrating costs

Operational Analysis of Mining Equipment in Opencast Mine

Utilization of an Equipment is affected by the Down time and standby Hours due to wrong reassembly and rework U= [TH-DT-IT]*100 TH-DT V PRODUCTION Weekly production of the Mining shovel is directly affected by the OEE of the equipment,can be calculated by equation as below [4] P = Shift Hours*60* Bucket Capacity*OEE*Buckets per minute

TECHNICAL CALCULATION AND ESTIMATOR'S MAN-HOUR …

marko buliæ technical calculation and estimator's man-hour manual erection of process or stone plants i piping above ground ii pipelines iii

Dozers Graders Scrapers Loaders Excavators Cranes

learncivilengineering 3 SCRAPER production estimate summary - The optimum haul distance for the small- and medium-size scrapers is 300 to 3,000 feet

Mine & Mill Equipment Costs Estimator's Guide: Capital

Our Equipment Cost Guide is the most reliable source of equipment costs available to the mining industry Estimators worldwide have relied for years on CostMine's Guides to Equipment Capital Costs

Belt Conveyors for Bulk Materials Calculations by CEMA 5

Belt Conveyors for Bulk Materials Calculations by CEMA 5th Edition Piotr Kulinowski, Ph D Eng Piotr Kasza, Ph D Eng [email protected] Department of Mining, Dressing and Transport Machines AGH tel/fax +48126335162 Design Considerations

Mean time between failures - Wikipedia

The first system failed at 100 hours, the second failed at 120 hours and the third failed at 130 hours The MTBF of the system is the average of the three failure times, which is 116667 hours If the systems are non-repairable, then their MTTF would be 116667 hours