327K views · 6.1K shares | Principles of Longwall Mining | World Mining Engineers | Facebook
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Longwall Mining System
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A new development system has eliminated longwall constraints at Glencore’s Ulan West underground coal mine. Read more: www.solidground.sandvik/coal-without-constraints | Sandvik Mining
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Longwall Mining Method and Design - 911Metallurgist
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Cat longwall systems are operated in some of the world’s most productive underground mines. Running up to 98% of their production time in automation mode, they're setting production records in all regions, around the world. | Cat Mining
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1.9K views · 16 reactions | Following a conventional cut with a shearer to about 3 m (9.8 ft) the roof supports move forward and allow the caving of the top coal behind the roof supports a second conveyor mounted gob-side. This special LTCC method enables increased coal reserve recovery for only an incremental additional cost. This animation shows how it works. | Online Mining Exam | Facebook
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