reliability analysis of drum shearer machine at mechanized longwall mines

Longwall Shearer Performance Using Water-Jet-Assisted Cutting

left-hand drum. A longwall face conveyor panline, adjacent to the coalcrete block~ provided continuous removal of the cut material, as well as functioning as a support along which the shearer moved. The relevant design specifications of the Joy shearer and cutter drum are given in table 1. FIGURE 1-Longwall shearer.

Reliability Modelling of Surface Mining Equipment: Data ...

A first step in reliability improvement is collection and analysis of the appropriate data. This paper will summarize relevant techniques for reliability analysis and identify data requirements and information sources.

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 ...

mining shearer - Roadheader Cutting Machine

A coal shearer is an electrically driven hydraulic cutting machine also referred to as a power loader, stage loader or shear loader used in the longwall mining of ... Shearer - LongWall The coal shearer is the only type of power loader that is used in Australia.

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.

A Critical Review of Design for Reliability - A ...

[13] H. Seyed Hadi, A. Mohammad, K. Reza, G. Behzad, K. Uday, Reliability analysis of drum shearer machine at mechanized longwall mines, Journal of Quality in Maintenance Engineering, 18 (2012) 98-119.

Reliability analysis of drum shearer machine at mechanized ...

Reliability analysis of drum shearer machine at mechanized longwall mines Article in Journal of Quality in Maintenance Engineering 18(1):98-119 · March 2012 with 114 Reads DOI: 10.1108 ...

Longwall automation — productivity and coal quality ...

In fact, the drum shearer is the most critical machine in the process, as it is directly responsible for coal cutting and face movement [12 S.H. Hoseinie, Modeling and simulation of drum shearers' reliability at mechanized longwall mines-case study: Tabas coal mine, 2011, Ph.D. thesis, Shahrood University of Technology, Shahrood, Iran (in Persian).

RAM analysis of earth pressure balance tunnel boring ...

Reliability, availability, and maintainability (RAM) analysis is a practical technique that uses failure and repair dataset obtained over a reasonable time for dealing with proper machine operation, maintenance scheduling, cost control, and improving the availability and performance of such machines.

shearer drum - Cutting Head -

Reliability analysis of drum shearer machine at mechanized ... 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.

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.

Reliability Analysis of Mining Equipment Considering ...

longwall method which includes several subsyste, ms such as drum shearer, armoured face 288 Simon Furuly, Abbas Barabadi and Javad Barabady conveyor, mine bolter, etc., Longwall mining is an underground operation.

Reliability Analysis of a conveyor system using hybrid data

11 Seyed Hadi Hoseinie, Mohammad Ataei, Reza Khalokakaie, Behzad Ghodrati, Uday Kumar, Reliability analysis of drum shearer machine at mechanized longwall mines, Journal of Quality in Maintenance Engineering, 2012, 18, 1, 98CrossRef

Reliability modeling of hydraulic system of drum shearer ...

In this paper, the reliability of the hydraulic system of a drum shearer was analyzed. A case study was done in the Tabas Coal Mine in Iran for failure data collection. The results of the statistical analysis show that the time between failures (TBF) data of this system followed the 3-parameters Weibull distribution.

reliability analysis of drum shearer machine at mechanized ...

reliability analysis of drum shearer machine at mechanized longwall mines Explore Our Products Here AFB has a full coverage of coarse crushing, intermediate crushing, fine crushing and sand-making, sand-washing, feeding, sieving, conveying equipment and mobile crushing and sieving equipment.

Reliability analysis of the cable system of drum shearer ...

In this article, the reliability of the cable system of a drum shearer machine was studied and analysed using operation and maintenance data from an Iranian mine for a period of two years.

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Reliability analysis of drum shearer machine at mechanized . 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. Get Price

A Critical Review of Design for Reliability - A ...

[13] H. Seyed Hadi, A. Mohammad, K. Reza, G. Behzad, K. Uday, Reliability analysis of drum shearer machine at mechanized longwall mines, Journal of Quality in Maintenance Engineering, 18 (2012) 98-119.

S. H. Hoseinie, PhD - Google Scholar Citations

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Reliability analysis of drum shearer machine at mechanized ...

Read "Reliability analysis of drum shearer machine at mechanized longwall mines, Journal of Quality in Maintenance Engineering" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

NEW POSSIBILITIES FOR PROCESS ANALYSIS IN AN UNDERGROUND MINE

Reliability analysis of drum shearer machine at mechanized longwall mines. "Journal of Quality in Maintenance Engineering", Vol. 18, No. 1, 2012, p. 98; Kępski P., Barszcz T.: Validation of vibration signals for diagnostics

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.

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.

Monte Carlo Reliability Simulation of Coal Shearer Machine

illustrate that the reliability of shearer machine reduces to zero in a period of 100h. There is a 50% chance that the shearer will not fail for the first 12h of operation. Keywords: coal shearer, reliability, Monte Carlo, K-R method . 1. Introduction . Longwall mining is a high productive underground coal mining method. In this method,

mining shearer - Roadheader Cutting Machine

Reliability analysis of drum shearer machine at mechanized ... Reliability analysis of drum shearer machine at mechanized longwall mines Seyed Hadi Hoseinie Faculty of Mining Engineering, Hamedan University of Technology,