Preventive Replacement Decisions for Dragline Components ...

On this basis, this paper presents an in-depth reliability analysis and preventive replacement analysis for individual components of dragline. The methodology of the study ( Figure 1 ) was applied for two draglines currently operating in the Tunçbilek coal mine, Turkey, and a 13-year maintenance record for the draglines was utilized in the ...

® El3000 Longwall Shearer - Buy ® Machines in CO, NM ...

The EL3000 Longwall Shearer is designed to deliver the most availability, productivity and reliability on the market. ... Typical Machine Length (drum centers): 15 200 mm. Machine @ 60 Hz - Available Cutting Power: RA750 Arms: ... World-class performance has demonstrated the practical capabilities of this machine. The EL3000 shearer mines seams ...

Joy Longwall Shearers - Underground Mining | ...

Joy introduced the first all-electric shearer in 1976. Since then, Joy shearers have been working in the world's most productive longwall mines and in the most demanding conditions. Models are available for seam ranges from 1.3 to 9.0 meters (4.3 to 30 ft.).

Publications | Dr. Seyed Hadi Hoseinie

Morshedloo, H. Dehghani, S. H. Hoseinie, "Reliability comparison between electrical and mechanical units of exploitation equipment in Tabas coal mine", 9th National Iranian Maintenance Engineering Conference, 20-21 May 2014, Tehran, Iran. A. Morshedloo, H. Dehghani, S. H. Hoseinie, "Reliability Analysis of Armored Face Conveyor (AFC) in ...

reliability analysis of drum shearer machine at mechanized ...

Reliability analysis of drum shearer machine at mechanized... · Reliability analysis of drum shearer machine at mechanized longwall mines. ... This paper seeks to learn about the reliability of the shearer machine in order to ... Contact the manufacturer -->

IJMGE - Int. Journal of Mining & Geo-Engineering

[17], reliability and maintainability analysis of drum shearer machine at mechanized longwall mines [18-22], reliability and maintainability analysis of pneumatic system of rotary drilling machines [23], and maintenance plan for a fleet of rotary drill rigs [24] are the main reported applications of RAM analysis of mining equipment.

shearer machine in barapukuria gold mine - aelabworld.co.za

Sep 12, 2017· Reliability analysis of drum shearer machine at mechanized . Purpose Longwall mining is a special mining method with high productivity and smooth operation and the drum shearer is known as the most important component in longwall mines due to its direct . Get Price

Reliability Analysis of Conveyor Belt System of Crushing ...

machines,[3], [4], chrushing planet [5], reliability and maintainability analaysis of drum shearer machine at mechanized longwall mines [6], [7]. These studies help us to identify the behavior of failure occurrence, which is effective in the decision-making process for maintenance policy.

Assessment of Reliability-Related Measures for Drum ...

Hoseinie / Ghodrati / Kumar: Assessment of Reliability-Related Measures for Drum Shearer Machine 55 Assessment of Reliability-Related Measures for Drum Shearer Machine, a Case Study S. H. Hoseinie, B. Ghodrati & U. Kumar, Luleå University of Technology, SE ABSTRACT Longwall mining is one of the most continuous and productive mining methods.

Data | Free Full-Text | Comparison between Simulation and ...

This paper aims to discuss the main reliability analysis challenges in mining machinery by comparing three main approaches: two analytical methods (white-box and black-box modeling), and a simulation approach. ... Khalokakaie, R.; Ghodrati, B.; Kumar, U. Reliability Analysis of Drum Shearer Machine at Mechanized Longwall Mines. J. Qual. Maint ...

Reliability Analysis of Face-to-Surface Continuous Coal ...

for reliability analysis of water system of drum shearer and drum shearer itself with considering three and six subsystems, respectively [11, 12]. Morshedlou et al. studied the reliability of the AFC of the Tabas coal mine. They considered four subsystems in series network; electrical system, mechanical system, chain tension unite, speed ...

RAM analysis of earth pressure balance tunnel boring ...

Earth pressure balance tunnel boring machines (EPB-TBMs) are favorably applied in urban tunneling projects. Despite their numerous advantages, considerable delays and high maintenance cost are the main disadvantages these machines suffer from. Reliability, availability, and maintainability (RAM) analysis is a practical technique that uses failure and repair dataset obtained over a reasonable ...

NEW POSSIBILITIES FOR PROCESS ANALYSIS IN AN …

Operational risk related to actions and reliability of processes and ... Stochastic availability analysis and modeling of longwall mining operations. ia Polytechnic Institute and State University, ProQuest Dissertations & Theses Global, ... Reliability analysis of drum shearer machine at mechanized longwall mines. "Journal of Quality in ...

Reliability modeling of hydraulic system of drum shearer ...

drum shearer machine. The drum shearer of the Tabas Coal Mine in Iran was used for the case study and data collection. Then the reliability analysis was carried out using statistical modeling techniques. The main objec-tives of this paper are: analyzing the reliability charac-teristics and selecting a suitable maintenance strategy.

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wastewater rotory drum screen for sale; reliability analysis of drum shearer machine at mechanized longwall mines; Random link. ... Mining, Aggregate, Coal, Foundry, and Processing Industries. Contact the manufacturer --> dynamic drum separator - celebrationcakes.in.

Reliability Improvement for Longwall Face Equipment

Coal produced by Longwall mining is almost 30% of the total coal production in ... the shearer drum design for a particular site, minimising the likelihood of premature ... This section includes the results of the reliability analysis of longwall equipment and the

Reliability analysis of drum shearer machine at mechanized ...

Purpose – Longwall mining is a special mining method with high productivity and smooth operation and the drum shearer is known as the most important component in longwall mines due to its direct role in the coal cutting and production process. Therefore, its reliability is important in keeping the mine production at a desired level. Hence, reliability analysis is essential in identifying and ...

A reliability-based preventive maintenance methodology for ...

Reliability analysis of drum shearer machine at mechanized longwall mines. Journal of quality in maintenance engineer-ing, 18(1), 98-119. Puertollano, I. D. J., Macapuno, M. J. V., & Chien, Y. C. (2015). Determination of Burn-in Period Based on Reliability Target …

| EL2000 Longwall Shearer |

Shearer Drum Undercut of Floor: 24.0 ... They have installed cutting power to provide world-class production in the toughest mining conditions: The EL2000 with a cutting power of up to 750 kW (1,200 hp). ... The EL2000 incorporates all the features and benefits that have been established with the shearer range in a compact, rugged machine ...

Reliability and maintainability analysis of electrical ...

The reliability and maintainability of electrical system of drum shearer at Parvade.1 Coal Mine in central Iran was analyzed. ... Reliability and maintainability analysis of electrical system of drum shearers ... Hoseinie S H, 2011. Modeling and simulation of drum shearers' reliability at mechanized longwall mines-case study: Tabas coal mine ...

Availability analysis of the main conveyor in the Svea ...

The company extracts coal from a mine called Svea. The mine was first opened in 1917, later closed and reopened in 1999 for modern mining. The method of mining is the mechanized longwall method, which includes several subsystems such as a drum shearer, armored face conveyors, mine bolters, etc.

A Study on the Dynamic Transmission Law of Spiral Drum ...

This study has provided a basis for the design and optimization of the drum with regard to reliability. ... L. Zhao, and Y. Liang, "Analysis of shearer drum motion parameters based on LS ... R. Khalokakaie, B. Ghodrati, and U. Kumar, "Reliability analysis of drum shearer machine at mechanized longwall mines," Journal of Quality in ...

Reliability Analysis of a conveyor system using hybrid data

Reliability Analysis of a conveyor system using hybrid data. Authors. Suprakash Gupta ... Mahnaz Nasrabadi, Failure probability analysis by employing fuzzy fault tree analysis, International Journal of ... Uday Kumar, Reliability analysis of drum shearer machine at mechanized longwall mines, Journal of Quality in Maintenance ...

Joy Mining Machinery Unveils Breakthrough in Longwall Pan ...

The article reports on the result of the study conducted to evaluate cutting performance of a drum shearer machine. The study includes the use of mechanized excavation and retreating longwall underground mine systems in Çayirhan lignite mine in Ankara, Central Turkey.

Replacement and maintenance analysis of longwall shearer ...

Replacement and maintenance analysis of longwall shearer using fault tree technique S. Gupta *1, N. Ramkrishna 1 and J. Bhattacharya 2 The productivity and profits of a mining company arise out of the reliable performance of its major equipment. Shearer is cutting and loading equipment used in the longwall mining of coal.