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  • used longwall mining equipment for sale

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    LONGWALL MINING Overview In the method of secondary extraction known as longwall mining a relatively long mining face (typically in the range 100 to 300m but may be longer) is created by driving a roadway at right angles between two roadways that form the sides of the longwall block, with one rib of this new roadway forming the longwall faceWe have been designing and building longwall plows since 1941 – and things have come a long way Technical developments since 1990 have once again established plowing as the preferred longwall mining method for seams below 18 m (71 in) Cat plows offer worldleading features that other manufacturers cannot and a cost of ownershipLongwall Mining Equipment

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