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Development of Position System of a Roadheader on a Base of

a number of emergency situation with fatal outcome related to sudden outbursts of coal during the tunneling work. In the system infrared sensor with active illumination is applied to improve the reliability of positioning of the roadheader in the absence

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Roadheader

A roadheader, also called a boom-type roadheader, road header machine, road header or just header machine, ...

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A large amount of geophysical surveying was also completed to ensure a continuous pipeline of drilling targets was maintained. ... Production mining for the McClean North and Caribou deposits will be completed via mechanical excavation (i.e. roadheader) d

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US4740037A - Continuous mining machine - Google Patents

TECHNICAL FIELD. This invention relates to continuous mining machines. BACKGROUND ART. With reference to FIG. 1 of the drawings, the most common method of cutting coal and supporting the roof used in Australian coal mines for roadway driveage uses timber

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