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Prediction of roadheaders' performance using artificial ...

Prediction of roadheaders' performance using artificial neural network approaches (MLP and KOSFM) ... There are four DOSCO MD1100 roadheaders of 34 t in mass, with a 82-kW axial cutting head in order to excavate drift galleries in the mine. ... DOSCO MD1100 axial type roadheader (DOSCO Overseas Engineering Ltd.). Download full-size image; Fig ...

CUTTING PERFORMANCE ASSESSMENT OF A MEDIUM …

ROADHEADER AT ÇAYIRHAN COAL MINE Keleş, Serhat M.Sc., Department of Mining Engineering Supervisor: Prof. Dr. Naci Bölükbaşı AUGUST 2005, 58 pages In this thesis, in-situ instantaneous cutting rates of boom type, medium-weight milling type roadheaders (Mk-2B) at …

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roadheader manufacturer/supplier, China roadheader manufacturer & factory list, find qualified Chinese roadheader manufacturers, suppliers, factories, exporters & wholesalers quickly on …

Roadheaders : New Dosco MK2BP Roadheader

Description. Mk2BP Roadheader As a hybrid of the well proven MK2B and LH1300 series of machines with a combined fleet numbering 245 (102 Mk2B and 143 LH1300 produced to-date) the Dosco MK2BP roadheader is a medium duty, track mounted, single boom roadheading machine and has been specifically designed with an ultra low ground pressure of 1.13 kg/cm2.

Tunneller / Leading Miner. Cementation Mining Ltd (Now Skanska) December 1988 – June 1994 (5 years 7 months) 1992-94 Worked on development Tunnels at Harworth Colliery, Nr.Doncaster. As a tunneller drove several tunnels using both drill & blast and Dosco Mk2A Roadheader to enable the installation of a new coal face as well as tunnel refurbishment works, which involved the removal of crushed ...

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Contextual translation of "roadheader" into French. Human translations with examples: haveuse.

DOSCO MK3A ROADHEADER segment 1 - YouTube

Jan 15, 2009· DOSCO MK3A at work. Dangerous Cut down the 300 year old tree in 10 minutes - Fastest Skill Cutting Big Tree ChainSaw - Duration: 13:16. Woodworking TV 431,233 views

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Dosco Roadheader At Liverpool Central dosco roadheader at liverpool central . dosco roadheader at liverpool central. We produce parts and components for the shearer and boring machine manufacturers, and provide technical services, and provide shearer picks, import shearer picks, import boring machine picks, German import picks, rotary pick cut Teeth, Pittec picks and other coal mining ...

Dosco MK3 - 85 tonne Roadheader | price & specs ...

This is a for sale ad about Dosco MK3 - 85 tonne Roadheader. Its condition is used, second hand, surplus, or refurbished. EquipMatching Ad 150189

The Dosco type MK2A Roadheader Dosco MK2A type …

Dosco MK2A type Roadheader YOUR PARTNER FOR ALL ROUND QUALITY AND RELIABILITY 4 3. Machine Description Dosco type MK2A Roadheader A total of 963 type MK2A Roadheaders have been built. Weighing in at under 24 tons this lightweight machine packs in a heavyweight performance.

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Roadheader - You find here 9 suppliers from Germany. Please obtain more information on spare parts, servicing, maintenance, Repair, repair or accessories directly from the registered companies.

Used Roadheaders for Sale - EquipmentMine

Jul 01, 2018· Used Roadheaders and surplus parts for sale on EquipmentMine. You have changed your edition to Global. Edition aware sections will now prioritize Global content.

Roadheader - All industrial manufacturers - Videos

boom-type roadheader max. 80MPa | SM150 Our latest development, the SM150 is designed for use in cross-sections from 8.0m² to 24.0m², has 150kW cutting power and weighs approx. 38t.

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This roadheader will not last long. Author: Alpine Equipment; MT720 Crawler-Mounted Boom-Type Roadheader. MT720 is an electrically powered and crawler-mounted boom-type roadheader which is engineered to cut hard and abrasive rock beyond 120 MPa compressive strength at mechanized tunneling.

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The Editor - natm... both drill & blast and Dosco Mk2A Roadheader to enable the installation of a new coal face as ... independent costing of the scheme based on East Grinstead Council's proposed plans.

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Contextual translation of "roadheader" into Spanish. Human translations with examples: pk, curva de regresión.

Roadheaders - Gold Mining Equipment and Used Mining ...

Dosco LH 1300 Series Roadheader Machine weight 58 tonnes Total power 2 – 150 hp electric motors Power on cuttin ID: 186876 Quote +

The performance prediction of roadheaders from easy ...

A Dosco Mk-2B axial type roadheader has been monitored during roadway construction in an underground lignite mine located in Cayirhan, a town of Ankara and the instantaneous cutting rates (ICR) were calculated. Physical and mechanical tests were conducted on the rock samples collected from each observation location.

Welcome to NDCO :: Roadheaders :: New DOSCO Roadheader

MD1100 Light/Medium Duty Roadheader – nominally 34 tonnes, is ideal for mixed strata's and various roadway profiles. The MD1100 series has been developed to extend and improve the operational efficiency and reliability of medium duty roadheaders.

Geotechnical Risk Assessment and Selection of Suitable ...

Reza Mohammadzadeh and Arash Ebrahimabadi, Geotechnical Risk Assessment and Selection of Suitable Roadheaders for Tabas Coal Mine Project, Iran, in Naj Aziz and Bob Kininmonth (eds.), Proceedings of the 16th Coal Operators' Conference, Mining Engineering, University of Wollongong, 10-12 February 2016, 116-126.

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Sep 27, 2013· Dosco Road Header, See How They Run 2012 - Duration: 2:13. National Coal Mining Museum for England 7,902 views

-DOSCO Roadheader Mk2A Tunnelling Machine

-DOSCO Roadheader Mk2A Tunnelling Machine This machine is designed to carry out mechanised preparatory tunnelling exca. vatian work in both mining and civil engin-eering applications. It is of a most advanced design, extremely robust, powerful, and reliable machine, suitable for cutting a wide range of strata. Electro-Hydraulically Powered, the ...

roadheaders – KAMY Roadheader

use of roadheader driving galleries in the coal seams. necessary. Four DOSCO MD 1100 roadheaders of 34 t in weight, with a 82 kW axial cutting head are mainly used in driving galleries with soft (coal) to medium hard rock (siltstone and mudstone) in the Tabas coal mine. The basic specifications of the DOSCO MD 1100 roadheader are shown in Table ...

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This is a for sale ad about Dosco SL120 Roadheader. Its condition is used, second hand, surplus, or refurbished. EquipMatching Ad 150186

A model to predict the performance of roadheaders based on ...

Jan 22, 2018· specifications of the DOSCO MD 1100 roadheader are shown in Table I36. During the period of excavation, related field data, including machine performance and geotechnical parameters, were gathered and recorded by the authors to establish a database for a performance study of the aforementioned roadheaders. The performance of the roadheader ...

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The Dosco type MK2A Roadheader Dosco MK2A type … Dosco MK2A type Roadheader YOUR PARTNER FOR ALL ROUND QUALITY AND RELIABILITY 3 2. Dosco Roadheading machines Dosco Roadheaders have successfully operated in over 50 countries worldwide, including the major coal producing regions.

Roadheaders : DOSCO MK3 Roadheader - ndcogroup.com

Used DOSCO MK3 Roadheader: This machine is owned by NDCO and is ready for comprehensive refurbishment. NDCO can supply this excellent machine in prime working condition with warranty and commissioning. (Photos of comparable rebuilt machine) Contact: Keith Proudman [email protected] +1-604-940-7487 / 1-800-705-9409

Welcome to NDCO :: Roadheaders :: New DOSCO Roadheader

MK4 Roadheader The Dosco MK4 roadheader is a heavy duty, track mounted, single boom roadheading machine designed to carry out mechanised preparatory excavation work in both mining and civil engineering applications. The 96 tonne machine is designed to give greater strength and power to the well proven cutting boom principle.