prototype roadheader cutting head

Sucessful Case

Read More
  • Roadheaders for mining Sandvik Mining & Rock Technology

    The powerful transversal cutter head of this roadheader is able to cut rock up to a compressive strength of 100 MPa (UCS). MR341 Roadheader for mining Sandvik MR341 roadheader is a part-face cutting machine designed for roadway development, as well as coal, rock, gypsum, potash and salt mining.Roadheader Wikipedia,A roadheader, also called a boom-type roadheader, road header machine, road header or just header machine, is a piece of excavating equipment consisting of a boom-mounted cutting head, a loading device usually involving a conveyor, and a crawler travelling track to

  • Cutting performance evaluation of a roadheader machine by

    Feb 14, 2018· The roadheader is an important piece of mechanical equipment utilized in roadway excavation. A mechanical crushing method is utilized. The cutting tools are installed on the cutting head and/or cutter-head. Through the rotation of the cutter-head, the cutting tools penetrate the ore-rock and cause shattering.Roadheaders for tunneling Sandvik Mining & Rock Technology,The roadheader family also includes separate multi-purpose hydraulic cutting heads for mounting on excavators. MT720 Roadheader for tunneling Sandvik 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.

  • Cutting performance evaluation of a roadheader machine by

    A roadheader machine is important mechanical equipment for roadway drivage through mechanical crushing. Through analysis and research to discover the key parameters relating to the cutting performance of the roadheader machine, the performance of the roadheader machine must be optimized and costs reduced, as well as productivity increased.Analysis of Vibration of Roadheader Rotary Table Based on,The intense vibration of a roadheader rotary table damages the cutting system of the roadheader and reduces the efficiency. This paper analyzes the vibration of a rotary table by combining the finite element model with tested data from an underground coalmine. First, the force of the rotary table during the cutting procedure was analyzed, and the finite element model was built using Pro/E and

  • transversal cutting head roadheader ebh120

    prototype roadheader cutting head shrinathpackermovers. prototype roadheader cutting head. prototype roadheader cutting head. We are the manufacturer of coal mining machine,roadheader,coal loader,tunnel mucking loader,backfilling machine,concerte pumping machine and so on. prototype roadheader cutting head manufacturer, supplier.PRODUCTION ESTIMATING TECHNIQUES FOR ,force sufficient to maintain the cutting head in contact with the face, and the machine is track mounted to allow tramming from one work face to another. The ability of roadheader or boom type machines to operate and cut effectively in hard rock has been limited by the system stiffness, the ability

  • Endurance performance of conical picks with hardfacing for

    copper mine in Mexico. Two prototype pick cutters were compared with a conventional pick cutter used in the mine. 2 Equipment and field conditions This study used an Antraquip AQM150H roadheader with a transverse type cutting head. The cutting head has 78 pick cutter holders arranged in a spiral array.Alpine Rock & Concrete Grinders Soil Mixers,Alpine specializes in rock & concrete cutting attachments, roadheaders, and soil mixing equipment. For over 40 years we have provided innovative,cost-effective solutions for the construction, mining, and environmental remediation sectors.

  • Alpine Rock & Concrete Grinders Soil Mixers

    Alpine specializes in rock & concrete cutting attachments, roadheaders, and soil mixing equipment. For over 40 years we have provided innovative,cost-effective solutions for the construction, mining, and environmental remediation sectors.Endurance performance of conical picks with hardfacing for,copper mine in Mexico. Two prototype pick cutters were compared with a conventional pick cutter used in the mine. 2 Equipment and field conditions This study used an Antraquip AQM150H roadheader with a transverse type cutting head. The cutting head has 78 pick cutter holders arranged in a spiral array.

  • Cutting Head Of The Roadheader Should Be Flexible Rotation

    The Roadheader Manufacturer should check the cutting head for missing or damaged teeth. If any, it should be added or replaced in time. Check whether the cutting tooth rotates in the socket. When replacing, lock the emergency stop button. The cutting head should rotate flexibly without crack orMinador axial-Cabeza de corte (Roadheader, rozadora,Sep 09, 2009· Detalle de la cabeza de corte en acción, ejemplo de aplicación de técnica minera de un Minador de ataque puntual (o rozadora) excavando un túnel

  • 1. Introduction Hindawi Publishing Corporation

    A virtual prototype [8] was employed for simulating a vibration model of roadheader cutting head, and the load of the cutting head was calculated based on a (PDF) A New Computer Program for Cutting Head Design of,A new computer program for cutting head design was developed, and analysis of vibration was performed. The program proved to be efficient and useful (Tiryaki, Ayhan and Hekimoglu, 2001 ). O.

  • ROADHEADERS PERFORMANCE OPTIMIZATION

    Between the two types of roadheader cutterheads, the ripping (transverse) and the milling (in line or axial) heads, the ripping type is more suitable for hard rock cutting. This is due to more efficient cutting during sumping, due to resultant forces acting along the boom (and not perpendicular), better use17th Mathematical Modelling of the Roadheader's Cutting,of the roadheader's cutting system is subjected to the action of external loads in the form of a driving torque M M and a moment of load forces of the cutter head MOB (Dolipski & Cheluszka, 1999). Motion in the physical model of the roadheader's cutting system is described by a system of ordinary differential equations of the second order

  • Roadheader Attachment 160 Cutting Head, Roadheader

    Boring machine accessories -Roadheader Attachment 160 Cutting Head is a part of the development machine parts easy to loss.EFFECTS OF SPIRAL LINE FOR PICK ARRANGEMENT ON ,Li, Lv, Jiang, Zeng: Effects of Spiral Line for Pick Arrangement on Boom Type Roadheader 171 a good arrangement plan which combined with an equal helix angle conical spiral and spherical helix. Yang et al. [15] researched design parameters of cutting head of a longitudinal

  • Jac Truck Parts Roadheader Cutting Machine

    STR260H Tunnel Roadheader for Sale roadheader Price. STR260H Tunnel Roadheader for Sale, Wide cutting for full Damping structure, Solve damage to the equipment and important parts caused by the vibration of the cutting machine. Fully sealed cutting head technology, add multiple seals from the end. Parts are equipped with quick repairThe Dosco type MK2A Roadheader Dosco MK2A type ,The Dosco type MK2A Roadheader Informational Spec Sheet BDS Industrial Solutions Inc. Website: bdsindustrial E-mail: [email protected] Dosco MK2A type Roadheader YOUR PARTNER FOR ALL ROUND QUALITY AND RELIABILITY 2 1. Introduction to Dosco cutting head. The cutting head is an axial type

  • Roadheader Attachment 160 Cutting Head, Roadheader

    Boring machine accessories -Roadheader Attachment 160 Cutting Head is a part of the development machine parts easy to loss.Jac Truck Parts Roadheader Cutting Machine,STR260H Tunnel Roadheader for Sale roadheader Price. STR260H Tunnel Roadheader for Sale, Wide cutting for full Damping structure, Solve damage to the equipment and important parts caused by the vibration of the cutting machine. Fully sealed cutting head technology, add multiple seals from the end. Parts are equipped with quick repair

  • The Dosco type MK2A Roadheader Dosco MK2A type

    The Dosco type MK2A Roadheader Informational Spec Sheet BDS Industrial Solutions Inc. Website: bdsindustrial E-mail: [email protected] Dosco MK2A type Roadheader YOUR PARTNER FOR ALL ROUND QUALITY AND RELIABILITY 2 1. Introduction to Dosco cutting head. The cutting head is an axial typeDynamics Analysis on Roadheader Cutting Head Based on ,Dynamics Analysis on Roadheader Cutting Head Based on LS-DYNA 1Xueyi Li, 2Binbing Huang, 3Chaochao Li, 4Shoubo Jiang 1College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao, China, 266590, [email protected] 2College of Mechanical and Electronic Engineering, Shandong University of Science and

  • Prediction of roadheaders' performance using artificial

    Performance prediction is an important issue for successful roadheader application and generally deals with machine selection, production rate and bit consumption. The main aim of this research is to investigate the cutting performance (instantaneous cutting rates (ICRs)) of medium-duty roadheaders by using artificial neural network (ANN) approach.(PDF) Analysis of Vibration of Roadheader Rotary Table,components of a roadheader suc h as the cutting head and the cutting arm could also be analyzed through the pro posed method, with very reliable precision. 1. Introduction A virtual prototype

  • MT720 The Strongest Roadheader in the World working

    Sep 16, 2014· The movie shows Sandvik's low speed cutting MT720 ICUTROCK Roadheader working in challenging rock conditions at a metro tunnelling project in Bilbao, Spain.1669. Numerical investigation on rock fragmentation by,development of the design of pick and cutting head to some extend, but numerical study of rock fragmentation by the cutting head of a roadheader is incomplete. In this research, a numerical model of rock fragmentation by the cutting head of a roadheader was developed based on fracture mechanics and the finite element method. The correctness and

  • CUTTING PERFORMANCE ASSESSMENT OF A MEDIUM

    cutting performance assessment of a medium weight roadheader at Çayirhan coal mine a thesis submitted to the graduate school of natural and applied sciencesCat Caterpillar Announces Development of New Continuous,Caterpillar has designed and fabricated a prototype continuous hard-rock cutting system that uses a new concept in cutting technology. The patented, activated cutting head promises to revolutionize hard-rock mine development and selective mining of ore.

  • Geotechnical Risk Assessment and Selection of Suitable

    Then by using an instantaneous cutting rate model, the cutter head power of the roadheader was determined. According to the model, a lightweight roadheader with a cutter head power of about 80-110 KW and 40 t weight are suitable. Finally, four types of manufactured roadheader with similar specifications were selected. INTRODUCTIONHydraulic Cutters, Roadheaders, Rotary Cutters Antraquip,Jul 24, 2019· Antraquip is the leading manufacturer of roadheaders in the weight class of 13-80 tons weight. Our roadheaders offer interchangeable cutter heads, both transverse and axial and are custom engraved for each project. Our hydraulic cutters are suitable for material with uniaxial compressive strength ranging from 500 to 25,000 pounds per square inch.

  • Study on Roadheader Cutting Load at Different Properties

    The mechanism of cutting process of roadheader with cutting head was researched, and the influences of properties of coal and rock on cutting load were deeply analyzed. Aimed at the defects of traditional calculation method of cutting load on fully expressing the complex cutting process of cutting head, the method of finite element simulation was proposed to simulate the dynamic cutting process.ROCKWHEEL ROCK & CONCRETE GRINDERS Rock Grinding and,The Rockwheel line from Alpine incorporates the latest developments in hydraulic rotary cutting technology. Commonly referred to as “drumcutters”, “cutterheads”, or “rock grinders” this is a must-have attachment if you’re involved with rock excavation, trenching, mine