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Cutting picks U85 Mining Bits for Shearer drums, fitting to Continuous miners

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Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 0.6 – 1.0 m thick). ... and on to which are mounted the shearer cutting drums which are fitted with 40–60 cutting picks. Within the ranging arms are ...

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Cutting Machines - Shearers | Introduction | underground COAL

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Shearer Cutting Drums and ancillaries | Introduction | underground COAL

Equipment Cutting Machines - Shearer Cutting Drums and ancillaries Shearer drums are not continuous cylinders but have a small diameter central section with scrolls or vanes from there to the full diameter, the picks being attached to the outer edges of the scroll.

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Cutting picks U92 mining bits for miner Cutting heads, fitting to Longwall Shearer

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Coal Shearer - RitchieWiki

The shearer travels along the face of the coal seam, slicing large slabs of coal with a large drum or cutting head mounted on a large number of picks. The drums featured on shearers consist of two types. One type is the conventional pick-flushing drum that sprays ...

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