shearer mining machine

Cutting Machines - Shearers | Introduction | underground COAL

longwall mining. equipment. cutting machines - shearers ... Such machines were originally known as "Double Ended Ranging Drum Shearers or DERDS" but being almost the only type of shearer now used, the term "shearer" is generally understood to refer to this configuration. The double ended ranging drum arrangement...

Read More

Shearer | mining | Britannica.com

Shearer: …simple continuous machine called the shearer was introduced. Pulled along the face astride the conveyor, the shearer bore a series of disks fitted with picks on their perimeters and mounted on a shaft perpendicular to the face. The revolving disks cut a slice from the coal face as the machine…

Read More

Coal Shearer - RitchieWiki

Jun 25, 2009 ... 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 coal.The average coal shearing machine is 15 meters long, weighs in excess of 90 tons and can travel up to speeds of 10 to 14 meters a minute.

Read More

Joy Longwall Shearers - Underground Mining | Komatsu Mining Corp.

Since then, Joy shearers have been working in the world's most productive longwall mines and in the most demanding conditions. ... The Faceboss control system, featured on Joy underground mining equipment, helps maximize productivity and features a powerful tool set including advance diagnostics and user friendly,...

Read More

Reliability analysis of drum shearer machine at mechanized ...

Therefore, its reliability is important in keeping the mine production at a desired level. Hence, reliability analysis is essential in identifying and removing existing problems of this machine in order to achieve a better production condition. This paper seeks to learn about the reliability of the shearer machine in order to locate...

Read More

Xinhai | EL3000 Longwall Shearer | Xinhai

Machine @ 50 Hz - Available Cutting Power: RA750 Arms (1), 2 × 750 kW 2 × 750 kW, More Less. Machine @ 50 Hz - Available Cutting Power: RA750 Arms (2), 2 × 620 kW 2 × 620 kW, More Less. Machine @ 50 Hz - Available Cutting Power: RA860 Arms (1), 2 × 860 kW 2 × 860 kW, More Less. Machine @ 50 Hz...

Read More

Longwall mining - Wikipedia

Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice The longwall panel is typically 3 – 4 km long and 250 – 400 m wide. Contents. [hide]. 1 History; 2 Layout; 3 Ventilation; 4 Equipment; 5 Comparison with room and pillar method; 6 Longwall Mining...

Read More

Longwall Mining: Shearer - YouTube

May 29, 2016 ... Xinhai® High-Performance Shearer Longwall Systems - Duration: 1:37. Xinhai Global Mining 9,413 views · 1:37. Longwall Mining Operation - F.T.I. Pty Ltd - Duration: 1:45. F.T.I. Pty Ltd - Future Training Initiatives 43,228 views · 1:45 · 3D engineering display of low seam longwall coal mining technology...

Read More

Xinhai® EL1000 Longwall Shearer - YouTube

Jun 11, 2013 ... Higher Productivity for the Long Run Coal panels and face lengths are increasing -- the average seam height is not. Maximizing productivity levels as the sea...

Read More

coal mining machine, - YouTube

May 20, 2014 ... Longwall mining is a highly productive underground coal mining technique. Longwall mining machines consist of multiple coal shearers mounted on a series of s...

Read More

US4822105A - Double ended ranging drum shearer and method of ...

A double ended ranging drum shearer is provided with a shearer body and a pair of drums disposed at front and rear end portions of the shearer body to be movable up- and down-wardly. The shearer is further equipped with detectors for respectively detecting the travelling position of the shearer body, detecting the...

Read More

Longwall Shearers Information | Engineering360 - GlobalSpec

They can also be called shearer loaders. Longwall mining is a type of mining where aggregate, typically coal, is extracted in panel sections of approximately 0.6-9.0 m by 200-400 m by 3-4 km. The width of the panel referred to as the face of the seam is undercut by another piece of mining equipment, such as a roadheader...

Read More

Innovative shearer loader for safe and highly efficient coal mining ...

In straightforward terms, these are mining machines which use large rollers to cut the coal from the seams. With a power output potential of 300 – 1000 kW, up to 1 million tonnes per month can be extracted. This is made possible by the development of a completely new, extensive automation package. The machine.

Read More

Longwall Shearer Automation: From Research to Reality ...

This paper describes the development of an automation system for longwall mining machinery which delivers centimeter-order position accuracy with no drift. This system has been developed using high...

Read More

Assessment of Reliability-Related Measures for Drum Shearer ...

ABSTRACT. Longwall mining is one of the most continuous and productive mining methods. Efficiency of this method is directly affected by the involved machineries and systems. The drum shearer plays an important role in the face productivity and the mine life. Therefore, monitoring of this machine can lead the whole...

Read More

Longwall Mining - Kentucky Coal Education

Longwall Mining. Longwall mining is a highly productive underground coal mining technique. Longwall mining machines consist of multiple coal shearers mounted on a series of self-advancing hydraulic ceiling supports. The entire process is mechanized. Longwall mining machines are about 800 feet (240 meters) in width...

Read More

Position Measurement for Automated Mining Machinery

the shearers as they move along the rail. After a complete pass along the face, the shearer, rails, conveyer, and roof supports are advanced, and the roof collapses behind. Room and pillar mining uses an ensemble of machines to cut a lattice network (Figure 1). Unlike in longwall mining, only some of the coal is removed;...

Read More

ISO 19225:2017 - Underground mining machines -- Mobile ...

ISO 19225:2017 specifies safety requirements to minimize the hazards listed in Clause 4 that can occur during the assembly, use, maintenance, repair, decommissioning, disassembly and disposal of shearer loaders and plough systems when used as intended and under conditions of misuse which are reasonably...

Read More

Integrated Positioning for Coal Mining Machinery in Enclosed ...

where v q is the shearer haulage speed and l 0 is the shearer displacement at the initial time. The number of the hydraulic support is. (2). where A is hydraulic support frame spacing. Figure 1. The coal mine working face by 3D schematic. In the working face, shearer drum...

Read More

Summary of longwall and continuous miner section noise ... - CDC

FIGURE 5. Sound profile plot for longwall shearer while cutting from headgate to tail- gate. FIGURE 4. Cumulative dose plot for longwall headgate/stageloader operator. Table 2. Range of Leq(A) noise levels measured on a fixed grid for continuous mining section equipment. Range, Measured location of. Equipment. dB(A).

Read More

IJTM/IJCEE PAGE TEMPLATEv2

The results 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.

Read More

Mining Machinery and Equipment for Coal Mining | OSTROJ a.s.

We are able to provide turn-key solutions and a full range of equipment with technical support for coal extraction, including longwall mining operations. Our equipment includes powered roof supports, chain conveyors, belt conveyors, coal plow systems, steep/vertical seam shearers, and associated equipment such as...

Read More

S. H. Hoseinie, PhD - Google Scholar Citations

A new classification system for evaluating rock penetrability. SH Hoseinie, M Ataei, M Osanloo. International Journal of Rock Mechanics and Mining Sciences 46 (8), 1329-1340, 2009. 57, 2009. Reliability analysis of drum shearer machine at mechanized longwall mines. S Hadi Hoseinie, M Ataei, R Khalokakaie, B Ghodrati,...

Read More

47-5042.00 - Mine Cutting and Channeling Machine Operators - O*Net

Operate machinery such as longwall shears, plows, and cutting machines to cut or channel along the face or seams of coal mines, stone quarries, or other mining ... Sample of reported job titles: Bore Miner Operator, Coal Miner, Longwall Shearer Operator, Miner Operator, Shear Operator, Shearer Operator, Underground...

Read More

Longwall Mining Equipment For Sale | Whayne Xinhai

Our assortment of Xinhai underground mining equipment includes: Shearers: Xinhai shearers are designed and built to provide superior driving and cutting force, while also featuring industry-leading automation that includes easy configuration for customized shearer operation. Plow systems: Xinhai plow systems are the leading...

Read More

Shearer Guidance: A Major Advance in Longwall ... - CiteSeerX

longwall equipment progresses in this manner, the roof material collapses into the void left behind the advancing system. The complete longwall system is a mobile semi-autonomous underground mining machine weighing in excess of 700 tonnes. Currently, each of the three main equipment components operates under...

Read More

Shearer operator crushed by automated longwall roof support

Jun 11, 2010 ... mining equipment. Section 2, clause 2.3.8.3 Safeguarding machines operators using a portable remote controller states: “Safeguarding shall be provided to shut the machine down in the event of the machine operator being disabled or falling over while controlling the machine. Where continued operation...

Read More

Positioning Accuracy Evaluation for the Collaborative ... - IEEE Xplore

Oct 6, 2016 ... the object, the mining fleet needs to move to the intended position in accordance with the functional requirements, such as machinery tracking of hydraulic supports and memory cutting of the shearer. This paper proposes a shearer wireless positioning method under the conditions of inaccurate anchor...

Read More

Coal Mining - EMFI

advancing hydraulic roof supports, a sophisticated coal-shearing machine, and an armored conveyor paralleling the coal face. Working under the movable roof supports, the shearing machine rides on the conveyor as it cuts and spills coal onto the conveyor for transport out of the mine. When the shearer has traversed the...

Read More

Shearers MB - T Machinery as

T Machinery a.s. · cs · en · ru · es · Home page · Company profile · Production · Technologies Used to Manufacture · Contacts · tmachinery.cz / Production / Shearers MB...

Read More

reliability-centered maintenance for spray jets of coal shearer machine

Jun 21, 2013 ... The aim of this paper is to identify an applicable and effective maintenance task, with its associated interval, for management of the failure modes of the spray jets of coal shearers. A case study has been conducted on spray jets of double-drum shearer machine in Tabas Coal Mine in Iran. In the study, the...

Read More

Visitor Mine - Bergbau-Museum

The third face fills in the technological gap between then and the present with equipment such as the double-drum shearer loader and powered roof supports. These are typical of the German coal-mining industry today, where the average length of the longwall faces is 300 to 400 m. The coal-mine themed tour also shows...

Read More

Coal Age - A Longwall Look at Tomorrow - Research Online - UOW

Mining Machinery, Joy now manufactures all the major elements of a modem longwall system. The challenging task of integrating roof supports, armored face conveyor (AFC) and shearer into a single operational system fell largely to the operating coal companies. Their ability to optimize system performance against a...

Read More

EL3000 Longwall Shearer | Underground - Longwall | WesTrac

The EL3000 Shearer has been developed for medium to high seams to meet the requirements of the most demanding longwall installations in the world. Specifications at a Glance. Typical Machine Length, 15.2 m / 49.9 ft. Installed Power, 2295.0 ... The EL3000 mines seams of up to 5.50 m (217 in). It offers 2 × 860 kW (2...

Read More

Eickhoff SL900 shearer takes world record at SUEK Kotinskaya mine

Jul 24, 2017 ... Since its foundation in 1864 Eickhoff has been specialised in underground coal mining equipment. Today, Eickhoff is a successful German based global supplier of longwall shearers and continuous miners, providing the world wide coal community with more than 50 machines every year. It also supplies...

Read More

Kellingley mining machines buried in last deep pit - BBC News

Dec 18, 2015 ... As the UK's last deep coal mine prepares to turn the lights out for good, BBC News looks at why the highly-advanced machines which powered the pit will be ... The machinery includes the giant underground shearer which cuts coal from the face, supports weighing up to 30 tonnes, the train ridden by miners...

Read More

Longwall automation - CSIRO

Dec 9, 2016 ... Traditionally a mechanical shearer cuts along the coal seam beneath a roof supported by hydraulic jacks, exposing miners to multiple risks on a daily basis. ... improved safety conditions for longwall mining equipment operators; uptake into more than half of Australia's underground longwall coal operations...

Read More

Safety System Dysfunctional Before Mine Blast : NPR

Jan 14, 2011 ... Each of these dysfunctional systems funnel water to the longwall mining machine that investigators believe was the source of the deadly explosion. When they're functioning, the systems spray water on the longwall's cutting tool, known as a shearer, and along the coal seam as the shearer cuts into it.

Read More

Xinhai Longwall Coal Mining Shearing Machine with track ...

Mar 15, 2013 ... I am not affiliated with Xinhai Mining Equipment but if they're reading this and are impressed, they should get in contact with me. #big #bit #Xinhai #Xinhai #coal #cutting #hydraulic #longwall #mine #mining #rock #roof #seam #shear #Shearer #shearing #Student #support #system #tool #UBC...

Read More

Machine-like horizon control for your shearer – Nautitech Mining ...

Jan 5, 2018 ... With the help of Nautitech's thermal imaging, and several collaboration partners, longwall miners worldwide are now able to track these marker bands with machine like accuracy. The data from the camera can be used to automatically adjust the vertical position of their shearer for automated shearer...

Read More
PRE Post:aluminum mining strategies
NEXT Post:pneumatic grinding grinder chinese ball mills