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Friday, July 24, 2020 | History

1 edition of Motor monitoring system for a continuous miner. by John R. Thalimer [and others] found in the catalog.

Motor monitoring system for a continuous miner. by John R. Thalimer [and others]

Motor monitoring system for a continuous miner. by John R. Thalimer [and others]

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Published by U.S. Dept. of the Interior in Washington .
Written in English

    Subjects:
  • Mining machinery

  • Edition Notes

    11

    The Physical Object
    Pagination12 p.
    Number of Pages12
    ID Numbers
    Open LibraryOL21992765M

    A continuous miner with single or multiple John Wiley & Sons, Inc. (New York, USA). [A textbook for introductory mining engineering for undergraduate students with case studies and reference book on the geology, technology, and economics of placer deposits and mining.]. The design of the continuous-miner cutting head originally incorporated pin-on type pickboxes with plumbob point-attack picks spaced at 57mm on a double-scroll pattern with an attack angle of 37,5 degrees. Thedrum speedwas50r/min, andthewidth of thecutting head 3,3m.

    Mining operations require constant, vigilant monitoring from several different perspectives. Monitoring the complex series of belts and motor controls across long distances that bring the coal from deep underground to load-out facilities on the surface is a practical necessity. Monitoring remote watering and dewatering pumps also is critical to maintaining the constant . Monitor and control your crypto miners from anywhere. Monitoring and controlling your crypto mining miners have never been easier. Our software provides graphs of daily profit, GPU temperature, power usage and hashrates.

      Supplementary information. On February 1 of , the Mine Safety and Health Administration (MSHA) requested information regarding whether the use of proximity detection systems would reduce the risk of accidents where mobile equipment pins, crushes or strikes miners in underground mines and, if so, how.   CONTINUOUS MINERS 1. Nirbhay Kumar Sinha RollMT Branch-Mining Machinery Engg. ISM Dhanbad 2. INTRODUCTION: Continuous mineris a machine used for cutting and loading of coal used in underground Board and Pillar mining operation. The JOY continuous minerproduct line has been developed to meet the high productivity requirements .


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Motor monitoring system for a continuous miner. by John R. Thalimer [and others] Download PDF EPUB FB2

Thalimer, John R. Motor monitoring system for a continuous miner (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors: John R Thalimer; John J McClelland; Gerald T Homce; United States. Bureau of Mines.

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.

Thalimer, John R. Motor monitoring system for a continuous miner / by John R. Thalimer, John J. McClelland, and Gerald T. Homce. — (Information circular / United States Department of the Interior, Bureau of Mines; ) Includes bibliographical references (p.

12). Mining machinery—Electric processing. Elec. These models were implemented in a prototype system that monitors six motors on a continuous miner for insulation leakage. These insulation leakage values are used to anticipate insulation failure. The system consists of a motor data system for each motor on the machine and a control computer located away from the miner.

These models were implemented in a prototype system that monitors six motors on a continuous miner for insulation leakage.

These insulation leakage values are used to anticipate insulation failure. The system consists of a motor-data-system for each motor on the machine and a control computer located away from the miner.

Motor monitoring system for a continuous miner /, by John R. Thalimer, Gerald T. Homce, John J. McClelland, and United States. Bureau of Mines (page images at HathiTrust) Bureau of Mines (page images at HathiTrust).

Simon, P. and Richard, L. () Continuous miner-technology and systems, The Mining, Geolo gical & Melallurgical, Inst. of India conference on High production technology for underground mines.

The new motor requires no mechanical or electrical modification of the machine for fitting and has now been adopted as the standard component for the hydraulic pump drive on the continuous miner.

Since the introduction of this motor the number of failures of the hydraulic system relating to motor fault have decreased significantly, improving. Cutter motor • This motor drives the cutter head drums on a Continuous Miner.

• The motor is constructed as follows: • - All steel frame - Heavy duty end-brackets for double flange mounting - Water cooling by means of wrap around water- jacket - Cable entry by flameproof gland or socket connector - Flameproof 8. The continuous miner requires regular inspection and maintenance (30 CFR and 7 ) Power to the continuous miner should be locked out and tagged before performing repairs (30 CFR Motor monitoring system for a continuous miner.

Thalimer JR; McClelland JJ; Homce GT The system consists of a motor data system for each motor on the machine and a control computer located away from the miner.

Each motor data system consists of an analog interface to the motor's voltages and currents, a single-board computer that reads. Continuous miners. Though there are many variations in design, continuous miners mostly consist of five main elements: A central body to carry all other components mounted on some type of drive mechanism to provide mobility (most commonly caterpillar tracks).

A "cutting head" usually rotating drum(s) and/or chains with cutting picks attached. You are here: Home Products Mechanical cutting equipment Continuous miners MC Continuous miner MC Continuous miner Sandvik MC is a top-performing continuous miner designed for coal and potash mining in applications where space is limited and high cutting power is needed.

The continuous miners use individual motors with direct drive transmissions to power the cutter, traction, gathering and hydraulic systems.

This permits service or repair quickly and easily, thus reducing downtime and maintenance costs. Wethead cutterhead systems The Wethead continuous miner cutterhead incorporates a fine water spray behind each.

The research has now progressed sufficiently to design and build a prototype system that simultaneously monitors six motors on a continuous miner. This prototype system consists of a single-board computer-based motor monitor for each motor.

Each motor monitor is connected through a parallel interface to the bitbus digital i/o board. We specialise in highly flexible, rapidly deployable, multi-parameter environmental monitoring and control systems.

These systems can provide local and remote information, with options of full SCADA (Supervisory Control and Data Acquisition) packages, with associated data trending analysis, located in centralised control rooms for the ultimate in mine environment management. Motor monitoring system for a continuous miner [microform] / by John R.

Thalimer, John J. McClelland, an Investigation of dust sources and control technology for longwall plow operations [microform] / by John. continuous miner manufactured. Utilizing common continuous miner components, but designed to meet specific applications, 12HM continuous miners are successfully operating in trona, gypsum, potash and salt mines around the world.

The basic elements of each continuous miner are similar in design, following field proven philosophies perfected by.

Continuous Miner Motor Monitoring System. Authors Thalimer-JR; Homce-GT Source Paper for the 23rd Application of Computers and Operations, pages Link NIOSHTIC No. Abstract. Dual-sprocket chain conveyor system All 12HM continuous miners are available with the patented Joy dual-sprocket continuous miner conveyor chain.

The dual-sprocket chain is 50% stronger in tension than conventional chains and is driven by two parallel 8-tooth sprockets which provide better torsional rigidity.

Combined, these. "A system capable of monitoring mine electrical power systems and detecting impending component failure could significantly improve power system safety and reduce unscheduled equipment downtime. Such monitoring would require a method of evaluating electrical parameters, calculated from terminal values, for indications of component deterioration.Electrically powered, track-mounted continuous miners from Sandvik are designed to cut coal and soft minerals in a continuous process, eliminating the need for drilling and blasting.

Sandvik design engineers focus on health and safety as well as total cost of ownership to create highly productive and reliable continuous mining solutions.is unquestionably the best resource on the Internet for career and college information. Their long list of free services includes career profiles, career videos, salary data, college profiles, information on majors and degrees.