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Conveyor that uses scraper chain to haul bulk materials in the trough is called scraper conveyor In the current coal mining face the role of scraper conveyor is not only to transport coal and materials but also the running track of the shearer so it has become an indispensable major equipment in modern coal mining technology
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Longwall mining is a form of underground coal mining where The shearer is carried along the length of the face on the armoured face conveyor AFC using a chain
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chain conveyor in use German coal mine 1950s A conveyor chain is chain that has been designed specifically for chain conveyor systems It consists of a series of journal bearings that are held together by constraining link plates Each bearing consists of a pin and a bush on which the chain roller revolves
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