Poducts

  • Performance Measurement of Mining Equipments by Utilizing OEE

    • The physical environment under which mining equipment operates is less than ideal. • The operating environment of the mine is dynamic with many unknowns that can affect the equipment utilization drastically. In this study, OEE of shovels and trucks have been considered since they are the main equipments for the most of the Open Pit Mines. OEE calculation for Shovel Shovels are used in

  • 文件大小: 135KB
  • 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

  • 文件大小: 1MB
  • Cycle Time Formula: How to Calculate Cycle Time -

    Hours per Part; Parts per Hour; We will show you how to calculate cycle time in any of the above units and how to convert it, too. From the list above, it may seem like there are 6 different formulas but there are really only 2: Parts per Time Period; Time Period per Part; There are two components of the formula: Total Parts Produced: Including scrap and good parts. Production Run Time: How

  • Calculating Downtime During Hours of Operation [SOLVED]

    01/05/2018· Hi All, I’m looking for assistance to help calculate incident down time relative to the hours of business operation. Incident downtime is only calculated during the business hours with the incident suspending outside of the contracted business hours. Using the forum threads I was able to identify a formula to calculate downtime during a standard business day Monday to Friday (8.5hrs x 5 days

  • How to Calculate Machine Hours Worked | Bizfluent

    26/09/2017· If you operate your production floor in two eight-hour shifts every day and your equipment runs continuously, your equipment logs 16 machine hours a day. On a five-day work week, that's 80 hours a week, which comes out to 4,160 machine hours per year for each machine. Putting it Together . Before you can price your products appropriately, you need to know exactly what it costs you to make

  • Mining Cost Service Costmine

    Current capital costs for 3,000 equipment items used for mining and milling, including trucks, shovels, loaders, drills, locomotives, ventilation equipment, crushing and grinding equipment, pumps, motors, continuous miners and more. Mine & Mill Supply Costs . Read More. Current prices for virtually every supply item you need for estimating mine or mill operating costs, including explosives

  • Costcutters: Efficiency and productivity in mining

    Mining operations can often be shut down by sustained price dips, only to be resurrected a few years later when prospects pick up again. Although mining companies can't entirely disentangle themselves from this cycle of boom and bust, increasing productivity and cutting unnecessary costs can provide some insulation against the cold whims of the market. A host of technologies and logistical

  • 3. CALCULATION OF MACHINE RATES

    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. 3.3.3 Salvage Value (S) This is defined as the price that equipment can be sold for at the time of its disposal. Used equipment rates vary widely throughout the world

  • Tracking Production Downtime in Excel: Free Template

    翻译此页Tracking Production Downtime to Improve Efficiency
  • Standardizing Availability Definition

    equipment is in an operable and committable state at the point in time when it is needed.” This definition includes operable and committable factors that are contributed to the 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. 3. Availability Classifications The definition

  • How to Calculate and Improve System Availability | Fiix

    18/07/2019· The asset broke down twice during the month, and it took one hour to repair each time. The asset was also shut down for eight hours in a month for routine inspections. At the end of the month, you can see that there was 100 hours of uptime on the machine and 10 total hours of downtime on the machine. Therefore, the availability calculation

  • Productivity in the Mining Industry: Measurement and

    6 Mining MFP with depletion and capital effects removed XXII 7 Contributions to the change in mining MFP between 2000-01 and 2006-07 XXIII 8 Contribution to income growth — the importance of the terms of trade XXIV 1.1 Market sector MFP, 1974-75 to 2006-07 1 1.2 Mining: MFP, 1974-75 to 2006-07 2 1.3 Mineral and energy commodities: production and output prices, 1974-75 to 2006-07 4 2.1 State

  • Safety Formulas EHS DB

    Formula:----- Total Hours Worked . 81 x 200,000 Sample Data: ----- 111,935 . Frequency Rate: 144.73 . Based on 91 lost and light duty workdays for 111,935 hours of exposure,this district would experience 162.59 lost and light duty workdays by the time they reached 200,000 hours.

  • Machine Hours Rate: Formula and Calculation (With

    Machine Hours Rate: Formula, Calculation, Problems and Solutions! The machine hour rate is similar to the labour hour rate method and is used where the work is performed primarily on machines. Formula: The formula used in computing the rate is: ADVERTISEMENTS: Factory overhead/Machine hours . If factory overhead is Rs 3, 00,000 and total machine hours are 1,500, the machine hour rate is Rs 200

  • (PDF) Underground mining Methods ResearchGate

    It set of longwall mining equipment consists of a coal shear er mounted on convey or operating . underneath a series of self-advancing hydr aulic roof supports. Almost the entire process can be

  • Optimization of the fleet per shovel productivity in

    In surface mining, equipment selection problem involves choosing a fleet of trucks and loaders that have the capacity to move the materials specified in the mine plan within a stipulated period. The optimization problem is to select these fleets in such a way that the overall cost of materials han-dling is reduce. Generally, the scale of operations involves the purchase of a single mining

  • System Reliability and Availability Calculation

    MTTR estimates for hardware are based on the degree to which the system will be monitored by operators. Here we estimate the hardware MTTR to be around 2 hours. Once MTBF and MTTR are known, the availability of the component can be calculated using the following formula: Estimating software MTBF is a tricky task. Software MTBF is really the

  • ESTIMATION OF CAPITAL COSTS FOR ESTABLISHING COAL MINES

    1.3. Surface mining 4 1.3.1. Strip/opencast mining 5 1.3.2. Terrace mining 7 1.3.3. Open pit mining 8 1.4. Underground coal mining 9 1.4.1. Room and pillar 9 1.4.2. Longwall 12 1.5. South African coal mining context 13 1.5.1. History of the South African coal mining industry 13 1.5.2. Current status of coal mining in South Africa 15 1.5.3. The

  • Process Equipment Cost Estimating by Ratio and Proportion

    = the approximate cost ($) of equipment having size S B (cfm, Hp, ft 2, or whatever) C A = is the known cost ($) of equipment having corresponding size S A (same units as S B), and S B /S A is the ratio known as the size factor, dimensionless. (ratio)0.6

  • Productivity in the Mining Industry: Measurement and

    6 Mining MFP with depletion and capital effects removed XXII 7 Contributions to the change in mining MFP between 2000-01 and 2006-07 XXIII 8 Contribution to income growth — the importance of the terms of trade XXIV 1.1 Market sector MFP, 1974-75 to 2006-07 1 1.2 Mining: MFP, 1974-75 to 2006-07 2 1.3 Mineral and energy commodities: production and output prices, 1974-75 to 2006-07 4 2.1 State

  • (PDF) Underground mining Methods ResearchGate

    It set of longwall mining equipment consists of a coal shear er mounted on convey or operating . underneath a series of self-advancing hydr aulic roof supports. Almost the entire process can be

  • Optimization of the fleet per shovel productivity in

    In surface mining, equipment selection problem involves choosing a fleet of trucks and loaders that have the capacity to move the materials specified in the mine plan within a stipulated period. The optimization problem is to select these fleets in such a way that the overall cost of materials han-dling is reduce. Generally, the scale of operations involves the purchase of a single mining

  • Plant Uptime Process KPI

    Plant uptime and production uptime. Plant Uptime is a process or production performance measure or KPI which is used extensively in many industries as an alternative or together with plant downtime .It is sometimes preferred to plant downtime because it incorporates all the possible downtime causes both scheduled and unscheduled therefore representing the time that the plant is actually up and

  • Use This Formula to Calculate a Breakeven Point

    29/04/2020· If you look at the breakeven formula, you can see that there are two solutions to this problem: you can either raise the price of your product or you can find ways to cut your costs, both fixed and variable. How Cutting Costs Affects the Breakeven Point . Let's say you find a way to cut the cost of your overhead or fixed costs by reducing your own salary by $10,000. That makes your fixed costs

  • Equipment selection QueensMineDesignWiki

    The selection of equipment for mining operations is not a well-defined process, which is primarily attributed to the inherent variability that exists in mining operations, as no two mines are alike. This article aims to provide guidance in the initial mobile equipment selection process by presenting relevant background information, associated calculations, and case studies, while identifying

  • What is Machine Utilization formula? Answers

    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

  • Drilling Techniques for Mining Exploration Equipment

    13/12/2018· It is the most common drilling technique used for mining exploration, particularly in South America and Australia. RC drilling is a form of percussion drilling, by which the rock is made to fail through the use of a piston that delivers rapid impacts to the drill stem, transferring energy to the drill bit. These blows to the rock are delivered by the bit, while a rotational device makes sure

  • KPI : Availability (excluding planned downtime) | KPI Library

    Percentage of actual uptime (in hours) of equipment relative to the total numbers of planned uptime (in hours). Planned uptime = service hours – planned downtime . Planned downtime is downtime as scheduled for maintenance. Also known as: Service Outage Duration. Details. Formula: [Actual uptime] percentage of [Planned uptime] Unit: Percentage Direction: Maximize Listed in: Systems, Database

  • Machine Hours Rate: Formula and Calculation (With

    Machine Hours Rate: Formula, Calculation, Problems and Solutions! The machine hour rate is similar to the labour hour rate method and is used where the work is performed primarily on machines. Formula: The formula used in computing the rate is: ADVERTISEMENTS: Factory overhead/Machine hours . If factory overhead is Rs 3, 00,000 and total machine hours are 1,500, the machine hour rate is Rs 200